/* ==========================================================================
   Terapan.id — Member Area (portal peserta & mentor, 2026-10-22)
   Memakai token th-* dari home.css. Mobile-first: navigasi bawah ala aplikasi di HP (<768px),
   tab di band atas untuk tablet/desktop. Mode gelap di bagian bawah file.
   ========================================================================== */

.mb-app,
.mb-auth {
    --mb-bg: #f3f6f7;
    --mb-card: #fff;
    --mb-ok: #1e8e5a;
    --mb-ok-soft: #e6f6ee;
    --mb-err: #c0392b;
    --mb-err-soft: #fdecec;
    --mb-warn-soft: #fff6dd;
    background: var(--mb-bg);
    color: var(--th-text);
    font-family: "Source Sans Pro", sans-serif;
    font-size: 16px;
}
/* responsive.css lama memaksa `body, p { 12px }` di HP: teks member ikut ukuran kontainernya */
:where(.mb-app, .mb-auth) p { font-size: inherit; line-height: 1.5; }

.mb-app h1, .mb-app h2, .mb-auth h1, .mb-auth h2 {
    font-family: poppins, sans-serif;
    color: var(--th-primary-dark);
    text-wrap: balance;
}

.mb-muted { color: var(--th-muted); }
.mb-app a:not(.th-btn), .mb-auth a:not(.th-btn) { color: var(--th-primary); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- band atas (identitas + tab desktop) ---------- */
.mb-band {
    background:
        radial-gradient(circle at 100% 0, rgba(255, 178, 122, .22), transparent 45%),
        linear-gradient(135deg, var(--th-primary) 0%, var(--th-primary-dark) 100%);
    color: #fff;
}

.mb-band-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 72px;
    padding-top: 12px;
    padding-bottom: 12px;
}

.mb-band-who { display: flex; align-items: center; gap: 12px; min-width: 0; }
.mb-band-label { display: block; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; opacity: .8; }
.mb-band-name { display: block; font-family: poppins, sans-serif; font-size: 17px; line-height: 1.25; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.mb-avatar {
    display: inline-grid;
    place-items: center;
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--th-accent);
    color: #fff;
    font-family: poppins, sans-serif;
    font-weight: 600;
    font-size: 18px;
}

.mb-tabs-top { display: none; gap: 4px; }
.mb-tabs-top a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 8px 16px;
    border-radius: 10px;
    color: #fff !important;
    font-weight: 600;
    text-decoration: none !important;
    opacity: .85;
}
.mb-tabs-top a:hover { background: rgba(255, 255, 255, .1); opacity: 1; }
.mb-tabs-top a.is-active { background: #fff; color: var(--th-primary) !important; opacity: 1; }
.mb-tabs-top .mb-logout { margin-left: 8px; border: 1px solid rgba(255, 255, 255, .35); }

/* ---------- navigasi bawah HP ---------- */
.mb-bottom {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 990;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    padding: 4px 8px calc(4px + env(safe-area-inset-bottom));
    background: #fff;
    box-shadow: 0 -6px 20px rgba(9, 78, 93, .12);
}

.mb-bottom a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    min-height: 56px;
    border-radius: 10px;
    color: var(--th-muted) !important;
    font-size: 12px;
    font-weight: 600;
    text-decoration: none !important;
}
.mb-bottom a i { font-size: 20px; }
.mb-bottom a.is-active { color: var(--th-accent) !important; }
.mb-bottom a.is-active i { transform: translateY(-1px); }

/* ---------- section & kartu ---------- */
/* bawah cukup 32px: .th-footer-bottom sudah diberi ruang setinggi navigasi bawah (layout.css) */
.mb-section { padding: 20px 0 32px; }
.mb-page-head { margin-bottom: 18px; }
.mb-page-head h1 { margin: 0 0 4px; font-size: 24px; }
.mb-page-head p { margin: 0; }
.mb-narrow { max-width: 960px; }

.mb-card {
    background: var(--mb-card);
    border: 1px solid var(--th-border);
    border-radius: var(--th-radius);
    box-shadow: var(--th-shadow);
    padding: 18px;
}
.mb-card h2 { font-size: 17px; margin: 0 0 14px; display: flex; align-items: center; gap: 8px; }

.mb-flash {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    margin: 14px 0;
    padding: 12px 14px;
    border-radius: 10px;
    font-weight: 600;
    line-height: 1.4;
}
.mb-flash--ok { background: var(--mb-ok-soft); color: var(--mb-ok); }
.mb-flash--err { background: var(--mb-err-soft); color: var(--mb-err); }
.mb-flash i { margin-top: 2px; }

.mb-empty {
    display: grid;
    justify-items: center;
    gap: 10px;
    padding: 40px 20px;
    text-align: center;
    background: var(--mb-card);
    border: 1px dashed var(--th-border);
    border-radius: var(--th-radius);
}
.mb-empty > i { font-size: 40px; color: var(--th-accent); opacity: .85; }
.mb-empty h2 { margin: 0; font-size: 19px; }
.mb-empty p { margin: 0; max-width: 46ch; color: var(--th-muted); }
.mb-empty--sm { padding: 28px 18px; border-style: solid; }
.mb-empty--sm > i { font-size: 30px; }

/* ---------- pill status ---------- */
.mb-pill {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    line-height: 1.4;
    white-space: nowrap;
}
.mb-pill--aktif { background: var(--th-primary-soft); color: var(--th-primary); }
.mb-pill--selesai { background: var(--mb-warn-soft); color: #8a5a00; }
.mb-pill--cert { background: var(--mb-ok-soft); color: var(--mb-ok); }
.mb-pill--muted { background: #eef1f2; color: var(--th-muted); }

.mb-badge-new {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--th-accent);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

/* ---------- dashboard: kartu training ---------- */
.mb-course-grid { display: grid; gap: 16px; }

.mb-course {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--mb-card);
    border: 1px solid var(--th-border);
    border-radius: var(--th-radius);
    box-shadow: var(--th-shadow);
    color: inherit !important;
    text-decoration: none !important;
    transition: transform .2s, box-shadow .2s;
}
.mb-course:hover { transform: translateY(-2px); box-shadow: var(--th-shadow-lg); }

.mb-course-thumb {
    position: relative;
    display: grid;
    place-items: center;
    aspect-ratio: 16 / 8;
    background: var(--th-primary-soft);
    color: var(--th-primary);
    font-size: 40px;
}
.mb-course-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.mb-course-thumb .mb-pill { position: absolute; top: 12px; left: 12px; box-shadow: 0 2px 8px rgba(0, 0, 0, .15); }
.mb-course-thumb .mb-pill--aktif { background: #fff; }

.mb-course-body { display: flex; flex-direction: column; gap: 8px; flex: 1; padding: 16px; }
.mb-course-kicker { font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--th-accent); }
.mb-course-title { font-family: poppins, sans-serif; font-size: 16px; line-height: 1.35; color: var(--th-primary-dark); text-wrap: pretty; }
.mb-course-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 14px; color: var(--th-muted); }
.mb-course-meta i { color: var(--th-primary); opacity: .7; margin-right: 4px; }
.mb-course-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 10px; border-top: 1px solid var(--th-border); }
.mb-course-go { font-weight: 700; color: var(--th-accent); white-space: nowrap; }
.mb-course:hover .mb-course-go i { transform: translateX(3px); }
.mb-course-go i { transition: transform .2s; }

/* ---------- halaman kelas ---------- */
.mb-back { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; margin-bottom: 8px; font-weight: 600; text-decoration: none !important; }
.mb-kelas-grid { display: grid; gap: 16px; }
.mb-kelas-side { display: grid; gap: 12px; align-content: start; }
.mb-kelas-main { min-width: 0; } /* nama course panjang (nowrap) di kepala chat tidak boleh melebarkan kolom */
.mb-kelas-info { display: grid; gap: 8px; }
.mb-kelas-thumb { width: 100%; height: auto; aspect-ratio: 16 / 7; object-fit: cover; border-radius: 10px; display: none; }
.mb-kelas-title { margin: 0; font-size: 19px; line-height: 1.35; }

.mb-mentor { display: flex; align-items: center; gap: 12px; padding-top: 10px; border-top: 1px solid var(--th-border); }
.mb-mentor img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
.mb-mentor strong, .mb-mentor .mb-muted { display: block; }
.mb-mentor .mb-muted { font-size: 13px; }

/* tombol chat WhatsApp di info kelas (wa.me: aplikasi di HP, WhatsApp Web di desktop) */
.mb-wa-chat {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 10px;
    padding: 10px 14px;
    border: 1px solid #bfe8cf;
    border-radius: 12px;
    background: #effaf3;
    color: #1a7f45 !important;
    text-decoration: none !important;
    transition: background-color .15s, border-color .15s;
}
.mb-wa-chat:hover { background: #e2f6ea; border-color: #25d366; }
.mb-wa-chat:focus-visible { outline: 3px solid #ffb27a; outline-offset: 2px; }
.mb-wa-chat > .fa-whatsapp { display: grid; place-items: center; flex: 0 0 40px; width: 40px; height: 40px; border-radius: 50%; background: #25d366; color: #fff; font-size: 22px; }
.mb-wa-chat span { flex: 1; min-width: 0; line-height: 1.3; }
.mb-wa-chat strong { display: block; font-size: 15px; }
.mb-wa-chat small { display: block; font-size: 13px; color: var(--th-muted); letter-spacing: .02em; }
.mb-wa-chat-go { font-size: 13px; opacity: .7; }

.mb-dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 6px 0 0; padding-top: 10px; border-top: 1px solid var(--th-border); font-size: 15px; }
.mb-dl dt { color: var(--th-muted); font-weight: 400; }
.mb-dl dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.mb-dl--center { justify-content: center; border: 0; text-align: left; }

/* progres 4 langkah: di HP horizontal ringkas, di desktop vertikal */
.mb-steps { list-style: none; margin: 0; padding: 14px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; counter-reset: s; }
.mb-steps li { display: grid; justify-items: center; gap: 6px; text-align: center; font-size: 12px; line-height: 1.25; color: var(--th-muted); position: relative; }
.mb-steps li::before { content: ""; position: absolute; top: 14px; left: calc(-50% + 16px); right: calc(50% + 16px); height: 2px; background: var(--th-border); }
.mb-steps li:first-child::before { display: none; }
.mb-steps li.is-done::before { background: var(--mb-ok); }
.mb-step-dot { position: relative; z-index: 1; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: #eef1f2; color: var(--th-muted); font-weight: 700; font-size: 13px; }
.mb-steps li.is-done { color: var(--th-text); }
.mb-steps li.is-done .mb-step-dot { background: var(--mb-ok); color: #fff; }
.mb-steps li.is-next .mb-step-dot { background: var(--th-accent-soft); color: var(--th-accent); box-shadow: 0 0 0 2px var(--th-accent); }
.mb-steps li.is-next { color: var(--th-text); font-weight: 600; }

/* tab konten */
.mb-tabs {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 1fr; /* peserta 3 tab, mentor 2 tab (tanpa Sertifikat) */
    gap: 4px;
    padding: 4px;
    margin-bottom: 14px;
    background: var(--mb-card);
    border: 1px solid var(--th-border);
    border-radius: 12px;
    position: sticky;
    top: calc(var(--th-header-h) + 6px);
    z-index: 5;
}
.mb-tabs button {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    min-height: 52px;
    padding: 6px 4px;
    border: 0;
    border-radius: 9px;
    background: transparent;
    color: var(--th-muted);
    font-weight: 600;
    font-size: 13px;
    line-height: 1.2;
    cursor: pointer;
}
.mb-tabs button i { font-size: 16px; }
.mb-tabs button[aria-selected="true"] { background: var(--th-primary); color: #fff; }
.mb-tabs button:focus-visible { outline: 3px solid #ffb27a; outline-offset: 1px; }
.mb-count { display: none; }
.mb-dot-ok { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--mb-ok); margin-left: 4px; vertical-align: middle; }
.mb-tabs button[aria-selected="true"] .mb-dot-ok { background: #7dffc0; }
.mb-tab-badge { display: inline-grid; place-items: center; min-width: 18px; height: 18px; padding: 0 5px; margin-left: 4px; border-radius: 9px; background: var(--th-accent); color: #fff; font-size: 11px; }

.mb-panel-intro { display: flex; gap: 8px; margin: 0 0 12px; font-size: 14px; line-height: 1.45; }
.mb-panel-intro i { margin-top: 3px; color: var(--th-primary); }

/* materi: daftar ringkas — nama, password (ketuk = salin), tombol buka link dalam satu baris */
.mb-materials { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.mb-material {
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr);
    align-items: center;
    gap: 10px 12px;
    padding: 12px 14px;
    background: var(--mb-card);
    border: 1px solid var(--th-border);
    border-radius: 12px;
}
.mb-material-no { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--th-accent-soft); color: var(--th-accent); font-weight: 700; font-size: 14px; }
.mb-material-body { display: grid; gap: 2px; min-width: 0; }
.mb-material-body strong { font-size: 15px; font-weight: 600; line-height: 1.35; color: var(--th-primary-dark); overflow-wrap: anywhere; }
.mb-material-note { font-size: 13px; color: var(--th-muted); }
.mb-material-actions { grid-column: 1 / -1; display: flex; align-items: center; gap: 8px; min-width: 0; }
.mb-pw {
    flex: 1 1 auto;
    min-width: 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--th-border);
    border-radius: 10px;
    background: #f4f8f9;
    color: var(--th-primary);
    font: inherit;
    cursor: pointer;
    transition: border-color .15s, background-color .15s;
}
.mb-pw code { flex: 1 1 auto; min-width: 0; padding: 0; background: none; color: var(--th-text); font-size: 14px; font-weight: 700; letter-spacing: .02em; text-align: left; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mb-pw-key { color: var(--th-muted); font-size: 13px; }
.mb-pw-copy { margin-left: auto; font-size: 15px; }
.mb-copy:hover { border-color: var(--th-primary); }
.mb-copy:focus-visible { outline: 3px solid #ffb27a; outline-offset: 1px; }
.mb-copy.is-copied { border-color: var(--mb-ok); background: var(--mb-ok-soft); color: var(--mb-ok); }
.mb-pw--none { cursor: default; color: var(--th-muted); font-size: 13px; background: transparent; border-style: dashed; }
.mb-material-go { flex: 0 0 auto; min-height: 40px; padding: 0 16px; font-size: 14px; white-space: nowrap; }

/* diskusi: chat ala WhatsApp dengan warna OJT (kepala teal, bubble sendiri teal muda, tombol kirim oranye) */
.mb-wa {
    --wa-bg: #e7eef0;
    --wa-in: #fff;
    --wa-out: #d3ecf0;
    --wa-meta: #667781;
    --wa-shadow: 0 1px .5px rgba(11, 20, 26, .13);
    --wa-bar: #eef2f3;
    --wa-icon: #54656f;
    position: relative;
    display: flex;
    flex-direction: column;
    /* HP: pas satu layar di antara tab (sticky) dan navigasi bawah; desktop: kolom tulis tetap di atas lipatan */
    height: max(380px, calc(100svh - var(--th-header-h) - 158px));
    border: 1px solid var(--th-border);
    border-radius: 12px;
    overflow: hidden;
    background: var(--wa-bg);
}
.mb-wa-head {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 60px;
    padding: 8px 16px;
    background: var(--th-primary);
    color: #fff;
}
.mb-wa-avatar {
    display: grid;
    place-items: center;
    flex: 0 0 40px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--th-accent);
    font-family: poppins, sans-serif;
    font-weight: 700;
    font-size: 17px;
}
.mb-wa-who { min-width: 0; line-height: 1.3; }
.mb-wa-who strong { display: block; font-size: 16px; }
.mb-wa-who span { display: block; font-size: 13px; opacity: .8; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.mb-chat {
    position: relative;
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
    padding: 12px clamp(14px, 5%, 56px) 16px;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: rgba(11, 20, 26, .22) transparent;
    background-color: var(--wa-bg);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' fill='none' stroke='%23094e5d' stroke-opacity='.07' stroke-width='1.5'%3E%3Ccircle cx='20' cy='22' r='7'/%3E%3Cpath d='M70 14v14M63 21h14M112 30l10-10M112 20l10 10M30 92h18M39 83v18M98 84h22l-11 18z'/%3E%3Crect x='60' y='110' width='16' height='12' rx='2'/%3E%3Ccircle cx='122' cy='118' r='3'/%3E%3Cpath d='M8 128c6-6 12 6 18 0'/%3E%3C/svg%3E");
}
.mb-wa-notice, .mb-chat-empty {
    align-self: center;
    max-width: min(92%, 520px);
    margin: 4px 0 10px;
    padding: 6px 12px;
    border-radius: 8px;
    background: #fff5c4;
    color: #54656f;
    font-size: 13px;
    line-height: 1.45;
    text-align: center;
    box-shadow: var(--wa-shadow);
}
.mb-wa-notice i { margin-right: 4px; color: var(--th-accent); }
.mb-chat-empty { background: var(--wa-in); }
.mb-wa-day { position: sticky; top: 4px; z-index: 2; display: flex; justify-content: center; margin: 10px 0 4px; pointer-events: none; }
.mb-wa-day span, .mb-wa-unread span {
    padding: 5px 12px;
    border-radius: 8px;
    background: var(--wa-in);
    color: #54656f;
    font-size: 12.5px;
    box-shadow: var(--wa-shadow);
}
.mb-wa-unread { display: flex; justify-content: center; margin: 8px calc(-1 * clamp(14px, 5%, 56px)); padding: 5px 0; background: rgba(255, 255, 255, .55); }
.mb-wa-unread span { background: var(--th-accent-soft); color: var(--th-accent); font-weight: 700; }

/* bubble */
.mb-msg { display: flex; max-width: min(78%, 560px); align-self: flex-start; }
.mb-msg.is-mine { align-self: flex-end; }
.mb-msg.is-first { margin-top: 8px; }
.mb-wa-bubble {
    position: relative;
    min-width: 72px;
    padding: 6px 8px 8px 9px;
    border-radius: 8px;
    background: var(--wa-in);
    color: #111b21;
    box-shadow: var(--wa-shadow);
    font-size: 15px;
    line-height: 1.4;
    overflow-wrap: anywhere;
}
.mb-msg.is-mine .mb-wa-bubble { background: var(--wa-out); }
.mb-msg.is-first .mb-wa-bubble { border-top-left-radius: 0; }
.mb-msg.is-mine.is-first .mb-wa-bubble { border-top-left-radius: 8px; border-top-right-radius: 0; }
.mb-msg.is-first .mb-wa-bubble::before {
    content: "";
    position: absolute;
    top: 0;
    left: -8px;
    width: 8px;
    height: 13px;
    background: inherit;
    clip-path: polygon(0 0, 100% 0, 100% 100%);
}
.mb-msg.is-mine.is-first .mb-wa-bubble::before { left: auto; right: -8px; clip-path: polygon(0 0, 100% 0, 0 100%); }
.mb-wa-name { display: block; margin-bottom: 2px; font-weight: 700; font-size: 13.5px; color: var(--th-primary); }
.mb-msg--peserta .mb-wa-name { color: var(--th-accent-hover); }
.mb-msg--admin .mb-wa-name { color: #6a4fb3; }
.mb-wa-name small { font-weight: 400; font-size: 12px; color: var(--wa-meta); }
.mb-wa-text a { text-decoration: underline; }
.mb-wa-spacer { display: inline-block; width: 46px; height: 1px; }
.mb-msg.is-mine .mb-wa-spacer { width: 66px; }
.mb-wa-meta {
    position: absolute;
    right: 8px;
    bottom: 4px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    line-height: 1;
    color: var(--wa-meta);
    white-space: nowrap;
}
.mb-wa-tick { font-size: 12px; color: #8696a0; }
.mb-wa-tick.is-read { color: #1d8fd1; }

/* lampiran: kartu dokumen & foto */
.mb-wa-doc {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: min(260px, 60vw);
    padding: 10px;
    border-radius: 6px;
    background: rgba(11, 20, 26, .05);
    color: inherit !important;
    text-decoration: none !important;
}
.mb-msg.is-mine .mb-wa-doc { background: rgba(9, 78, 93, .08); }
.mb-wa-doc:hover { background: rgba(11, 20, 26, .09); }
.mb-wa-doc-ic { display: grid; place-items: center; flex: 0 0 36px; width: 36px; height: 44px; border-radius: 5px; background: #7a8a93; color: #fff; font-size: 18px; }
.mb-wa-doc-ic--pdf { background: #e2483d; }
.mb-wa-doc-ic--word { background: #2b67c8; }
.mb-wa-doc-ic--excel { background: #1d8a52; }
.mb-wa-doc-ic--ppt { background: #d2582a; }
.mb-wa-doc-ic--zip { background: #8d6e37; }
.mb-wa-doc-ic--cad { background: var(--th-primary); }
.mb-wa-doc-info { flex: 1; min-width: 0; }
.mb-wa-doc-info strong { display: block; font-weight: 600; font-size: 14.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mb-wa-doc-info small { color: var(--wa-meta); font-size: 12px; }
.mb-wa-doc-dl { display: grid; place-items: center; flex: 0 0 34px; height: 34px; border: 1.5px solid currentColor; border-radius: 50%; color: var(--wa-meta); font-size: 13px; }
.mb-msg.is-media:not(.has-photo) .mb-wa-meta { position: static; display: flex; justify-content: flex-end; margin-top: 4px; }
.mb-msg.has-photo .mb-wa-bubble { padding: 3px; }
.mb-msg.has-photo .mb-wa-name { padding: 3px 6px 0; }
.mb-msg.has-photo .mb-wa-text { padding: 5px 6px 4px; }
.mb-wa-photo { position: relative; display: block; border-radius: 6px; overflow: hidden; background: rgba(11, 20, 26, .08); }
.mb-wa-photo img { display: block; width: min(300px, 64vw); min-height: 120px; max-height: 340px; object-fit: cover; }
.mb-msg.is-media.has-photo .mb-wa-meta {
    right: 3px;
    bottom: 3px;
    left: 3px;
    justify-content: flex-end;
    padding: 18px 8px 6px;
    border-radius: 0 0 6px 6px;
    background: linear-gradient(transparent, rgba(0, 0, 0, .45));
    color: #fff;
}
.mb-msg.is-media.has-photo .mb-wa-tick:not(.is-read) { color: #fff; }
.mb-msg.is-pending a { pointer-events: none; }
.mb-wa-progress { display: block; height: 3px; margin: 6px 2px 2px; border-radius: 2px; background: rgba(11, 20, 26, .12); overflow: hidden; }
.mb-wa-progress i { display: block; width: 0; height: 100%; background: var(--th-accent); transition: width .2s; }
.mb-msg.is-new { animation: mb-pop .25s ease; }
@keyframes mb-pop { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* tombol ke bawah + overlay seret file */
.mb-wa-down {
    position: absolute;
    right: 16px;
    bottom: 84px;
    z-index: 4;
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 50%;
    background: var(--wa-in);
    color: var(--wa-icon);
    box-shadow: 0 2px 6px rgba(11, 20, 26, .2);
    cursor: pointer;
}
.mb-wa-down[hidden], .mb-wa-down-n[hidden] { display: none; }
.mb-wa-down-n {
    position: absolute;
    top: -6px;
    right: -4px;
    min-width: 20px;
    height: 20px;
    padding: 0 5px;
    border-radius: 10px;
    background: var(--th-accent);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    line-height: 20px;
}
.mb-wa-drop {
    position: absolute;
    inset: 60px 0 0;
    z-index: 6;
    display: grid;
    place-items: center;
    background: rgba(9, 78, 93, .88);
    color: #fff;
    font-family: poppins, sans-serif;
    font-size: 18px;
    pointer-events: none;
}
.mb-wa-drop[hidden] { display: none; }
.mb-wa-drop span { padding: 40px 32px; border: 2px dashed rgba(255, 255, 255, .6); border-radius: 16px; }

/* kolom tulis */
.mb-compose { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; padding: 8px 10px; background: var(--wa-bar); }
.mb-wa-row { display: flex; align-items: flex-end; gap: 8px; }
.mb-wa-input {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: flex-end;
    gap: 2px;
    min-height: 48px;
    padding: 4px 4px 4px 16px;
    border-radius: 24px;
    background: #fff;
    box-shadow: var(--wa-shadow);
}
.mb-wa-input:focus-within { box-shadow: 0 0 0 2px var(--th-primary); }
.mb-wa-input textarea {
    flex: 1;
    min-width: 0;
    height: 40px;
    max-height: 140px;
    padding: 9px 0;
    border: 0;
    outline: 0;
    resize: none;
    background: transparent;
    color: var(--th-text);
    font: inherit;
    font-size: 16px;
    line-height: 1.35;
    overflow-y: hidden;
    scrollbar-width: thin;
}
.mb-chat::-webkit-scrollbar, .mb-wa-input textarea::-webkit-scrollbar { width: 6px; }
.mb-chat::-webkit-scrollbar-thumb, .mb-wa-input textarea::-webkit-scrollbar-thumb { background: rgba(11, 20, 26, .22); border-radius: 3px; }
.mb-chat::-webkit-scrollbar-track, .mb-wa-input textarea::-webkit-scrollbar-track { background: transparent; }
.mb-wa-icon {
    display: grid;
    place-items: center;
    flex: 0 0 40px;
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--wa-icon);
    font-size: 18px;
    cursor: pointer;
}
.mb-wa-icon:hover, .mb-wa-clip[aria-expanded="true"] { background: rgba(11, 20, 26, .07); color: var(--th-primary); }
.mb-wa-clip i { transform: rotate(-45deg); }
.mb-wa-touch { display: none !important; }
.mb-wa.is-mobile .mb-wa-icon.mb-wa-touch { display: grid !important; }
.mb-wa.is-mobile .mb-wa-menu .mb-wa-touch { display: flex !important; }
.mb-send {
    display: grid;
    place-items: center;
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
    border: 0;
    border-radius: 50%;
    background: var(--th-accent);
    color: #fff;
    font-size: 18px;
    box-shadow: 0 2px 6px rgba(232, 101, 10, .35);
    cursor: pointer;
    transition: background .15s, transform .15s;
}
.mb-send:hover { background: var(--th-accent-hover); }
.mb-send:active { transform: scale(.94); }
.mb-send i { margin-left: -2px; }
.mb-send:focus-visible, .mb-wa-icon:focus-visible { outline: 3px solid #ffb27a; outline-offset: 1px; }

.mb-wa-attach { position: relative; }
.mb-wa-menu {
    position: absolute;
    right: -6px;
    bottom: calc(100% + 12px);
    z-index: 8;
    display: grid;
    gap: 2px;
    min-width: 230px;
    padding: 8px;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 8px 28px rgba(11, 20, 26, .22);
    transform-origin: bottom right;
    animation: mb-wa-menu .16s ease;
}
.mb-wa-menu[hidden] { display: none; }
@keyframes mb-wa-menu { from { opacity: 0; transform: scale(.9); } to { opacity: 1; transform: none; } }
.mb-wa-menu button {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 48px;
    padding: 6px 10px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: var(--th-text);
    font: inherit;
    font-size: 15px;
    text-align: left;
    cursor: pointer;
}
.mb-wa-menu button:hover, .mb-wa-menu button:focus-visible { background: var(--th-primary-soft); outline: 0; }
.mb-wa-menu-ic { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; color: #fff; font-size: 16px; }
.mb-wa-menu-ic--doc { background: var(--th-primary); }
.mb-wa-menu-ic--img { background: var(--th-accent); }
.mb-wa-menu-ic--cam { background: var(--th-primary-dark); }
.mb-wa-menu small { padding: 6px 10px 2px; color: var(--wa-meta); font-size: 12px; }

.mb-wa-preview { display: flex; align-items: center; gap: 12px; padding: 8px 8px 8px 10px; border-radius: 12px; background: #fff; box-shadow: var(--wa-shadow); }
.mb-wa-preview[hidden] { display: none; }
.mb-wa-preview-thumb { flex: 0 0 52px; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 8px; overflow: hidden; }
.mb-wa-preview-thumb img { width: 100%; height: 100%; object-fit: cover; }
.mb-wa-preview-info { flex: 1; min-width: 0; }
.mb-wa-preview-info strong { display: block; font-size: 14.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mb-wa-preview-info small { color: var(--wa-meta); font-size: 12.5px; }
.mb-compose.is-preparing .mb-send { opacity: .6; cursor: progress; }

/* foto layar penuh */
.mb-wa-viewer:not([open]) { display: none; }
.mb-wa-viewer { position: fixed; inset: 0; width: 100%; height: 100%; max-width: none; max-height: none; margin: 0; padding: 0; border: 0; background: rgba(11, 20, 26, .95); color: #fff; }
.mb-wa-viewer[open] { display: flex; flex-direction: column; }
.mb-wa-viewer::backdrop { background: transparent; }
.mb-wa-viewer-bar { display: flex; align-items: center; gap: 8px; padding: 10px 16px; }
.mb-wa-viewer-bar strong { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.mb-wa-viewer .mb-wa-icon { color: #fff !important; }
.mb-wa-viewer .mb-wa-icon:hover { background: rgba(255, 255, 255, .12); }
.mb-wa-viewer img { flex: 1; min-height: 0; width: 100%; padding: 0 16px 24px; object-fit: contain; }

/* mentor: tandai selesai + modal konfirmasi */
.mb-done-box { display: grid; gap: 8px; }
.mb-mark-done:disabled { opacity: .5; cursor: not-allowed; pointer-events: none; }
.mb-done-hint { display: flex; gap: 8px; margin: 0; padding: 0 4px; color: var(--th-muted); font-size: 13px; line-height: 1.45; }
.mb-done-hint i { margin-top: 3px; }
.mb-modal {
    /* CSS global me-reset margin <dialog>: posisikan tengah secara eksplisit */
    position: fixed;
    inset: 0;
    width: min(460px, calc(100% - 32px));
    height: fit-content;
    max-height: calc(100% - 32px);
    margin: auto;
    overflow-y: auto;
    padding: 0;
    border: 0;
    border-radius: 18px;
    background: var(--mb-card, #fff);
    color: var(--th-text);
    box-shadow: 0 24px 60px rgba(6, 55, 67, .35);
    font-family: "Source Sans Pro", sans-serif;
    font-size: 16px;
}
.mb-modal:not([open]) { display: none; }
.mb-modal[open] { animation: mb-modal-in .2s ease; }
.mb-modal::backdrop { background: rgba(6, 55, 67, .55); backdrop-filter: blur(2px); }
@keyframes mb-modal-in { from { opacity: 0; transform: translateY(12px) scale(.97); } to { opacity: 1; transform: none; } }
.mb-modal-box { display: grid; gap: 14px; padding: 28px 24px 22px; text-align: center; }
.mb-modal-icon { justify-self: center; display: grid; place-items: center; width: 60px; height: 60px; border-radius: 50%; background: var(--th-accent-soft); color: var(--th-accent); font-size: 24px; }
.mb-modal h2 { margin: 0; font-family: poppins, sans-serif; font-size: 20px; color: var(--th-primary-dark); }
.mb-modal-lead { margin: 0; line-height: 1.5; }
.mb-modal-next { padding: 14px 16px; border-radius: 12px; background: var(--th-primary-soft); text-align: left; font-size: 14.5px; }
.mb-modal-next strong { display: block; margin-bottom: 6px; color: var(--th-primary-dark); }
.mb-modal-next ul { display: grid; gap: 6px; margin: 0; padding: 0; list-style: none; }
.mb-modal-next li { display: flex; gap: 10px; line-height: 1.4; }
.mb-modal-next i { width: 16px; margin-top: 3px; color: var(--th-primary); text-align: center; }
.mb-modal--alert { width: min(400px, calc(100% - 32px)); }
.mb-modal--alert .mb-modal-icon { background: var(--mb-err-soft); color: var(--mb-err); }
.mb-modal--alert .mb-modal-actions { flex-direction: row; justify-content: center; }
.mb-modal--alert .mb-modal-actions .th-btn { width: auto; min-width: 120px; }
.mb-modal-err { padding: 10px 12px; border-radius: 10px; background: var(--mb-err-soft); color: var(--mb-err); font-weight: 600; font-size: 14px; text-align: left; }
.mb-modal-actions { display: flex; flex-direction: column-reverse; gap: 10px; margin-top: 4px; }
.mb-modal-actions .th-btn { justify-content: center; width: 100%; min-height: 46px; }
/* layar sentuh: hover "nyangkut" setelah tap membuat Batal tampak seperti tombol utama */
@media (hover: none) {
    .mb-modal .th-btn--outline:hover { background: #fff; color: var(--th-primary) !important; }
    :root[data-theme="dark"] .mb-modal .th-btn--outline:hover { background: transparent; color: var(--th-dk-link) !important; }
}
@media (min-width: 480px) {
    .mb-modal-actions { flex-direction: row; justify-content: flex-end; }
    .mb-modal-actions .th-btn { width: auto; }
}

/* sertifikat: kepala ringkas, pratinjau (seperti popup brosur), tombol unduh PDF / PNG */
.mb-cert {
    display: grid;
    gap: 16px;
    padding: 18px;
    background: linear-gradient(180deg, var(--th-accent-soft), var(--mb-card) 140px);
    border: 1px solid var(--th-border);
    border-radius: var(--th-radius);
}
.mb-cert-head { display: flex; align-items: center; gap: 14px; }
.mb-cert-icon { display: grid; place-items: center; flex: 0 0 52px; width: 52px; height: 52px; border-radius: 50%; background: var(--th-accent); color: #fff; font-size: 24px; box-shadow: 0 8px 20px rgba(232, 101, 10, .3); }
.mb-cert h2 { margin: 0; font-size: 18px; line-height: 1.3; }
.mb-cert-head p { margin: 2px 0 0; font-size: 14px; }
.mb-cert-head b { color: var(--th-text); }
.mb-cert-sep { margin: 0 4px; }
.mb-cert-view { position: relative; }
/* desktop: pratinjau tidak terlalu besar supaya tombol unduh tetap terlihat tanpa scroll */
.mb-cert-view, .mb-cert-actions { width: 100%; max-width: 760px; justify-self: center; }
.mb-cert-preview {
    display: grid;
    place-items: center;
    width: 100%;
    aspect-ratio: 1.414;
    padding: 0;
    border: 1px solid var(--th-border);
    border-radius: 12px;
    background: #f4f6f7;
    overflow: hidden;
    box-shadow: 0 12px 30px rgba(9, 78, 93, .14);
    cursor: zoom-in;
}
.mb-cert-preview canvas { display: block; width: 100%; height: 100%; object-fit: contain; background: #fff; }
.mb-cert-loading { display: flex; align-items: center; gap: 8px; padding: 16px; color: var(--th-muted); font-size: 14px; text-align: center; }
.mb-cert-zoom {
    position: absolute;
    right: 10px;
    bottom: 10px;
    display: none;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(15, 52, 64, .7);
    color: #fff;
    font-size: 14px;
    pointer-events: none;
}
.mb-cert-view.is-ready .mb-cert-zoom { display: grid; }
.mb-cert-preview:focus-visible { outline: 3px solid #ffb27a; outline-offset: 2px; }
.mb-cert-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mb-cert-actions .th-btn { justify-content: center; gap: 8px; min-height: 46px; padding: 8px 10px; font-size: 14px; white-space: nowrap; }
@media (max-width: 380px) { .mb-cert-actions { grid-template-columns: 1fr; } }

/* ---------- mentor: daftar peserta ---------- */
.mb-filter { display: grid; gap: 10px; margin-bottom: 14px; }
.mb-search { position: relative; margin: 0; }
.mb-search i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--th-muted); }
.mb-search input { width: 100%; min-height: 48px; padding: 10px 14px 10px 40px; border: 1px solid var(--th-border); border-radius: 12px; font-size: 16px; background: var(--mb-card); color: var(--th-text); }
.mb-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.mb-chip { min-height: 40px; padding: 6px 16px; border: 1px solid var(--th-border); border-radius: 999px; background: var(--mb-card); color: var(--th-text); font-weight: 600; cursor: pointer; }
.mb-chip.is-active { background: var(--th-primary); border-color: var(--th-primary); color: #fff; }

.mb-people { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.mb-person {
    display: grid;
    grid-template-columns: 44px 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: var(--mb-card);
    border: 1px solid var(--th-border);
    border-radius: 12px;
    color: inherit !important;
    text-decoration: none !important;
}
.mb-person:hover { border-color: var(--th-primary); }
.mb-person.has-unread { border-left: 4px solid var(--th-accent); }
.mb-person-body { display: grid; gap: 2px; min-width: 0; }
.mb-person-body strong { color: var(--th-primary-dark); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mb-person-body .mb-muted { font-size: 14px; line-height: 1.35; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.mb-person-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.mb-person .mb-badge-new { grid-column: 2; justify-self: start; }
.mb-person-go { color: var(--th-muted); grid-column: 3; grid-row: 1; }

/* ---------- form ---------- */
.mb-form { display: grid; gap: 14px; }
.mb-field { display: grid; gap: 6px; margin: 0; }
.mb-field > span:first-child { font-weight: 600; font-size: 14px; color: var(--th-text); }
.mb-field small { color: var(--th-muted); font-size: 13px; }
.mb-field input {
    width: 100%;
    min-height: 48px;
    padding: 10px 14px;
    border: 1px solid #cdd9dc;
    border-radius: 10px;
    background: #fff;
    color: var(--th-text);
    font-size: 16px;
}
.mb-field input:focus { outline: 2px solid var(--th-primary); outline-offset: 0; border-color: transparent; }
.mb-field input[readonly] { background: #f3f6f7; color: var(--th-muted); }
.mb-field-label { font-weight: 600; font-size: 14px; color: var(--th-text); }
.mb-field input[aria-invalid="true"] { border-color: var(--mb-err); }

/* tombol kirim sedang diproses (member.js: form[data-busy]) */
.mb-submit { gap: 8px; }
form.is-busy .mb-submit { opacity: .8; pointer-events: none; }
form.is-busy .mb-submit i { display: none; }
form.is-busy .mb-submit::before { content: ""; width: 16px; height: 16px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: mb-spin .7s linear infinite; }
@keyframes mb-spin { to { transform: rotate(360deg); } }

/* kode masuk 6 digit: input asli transparan di atas 6 kotak (tanpa JS input tampil biasa) */
.mb-otp { position: relative; }
.mb-otp-input {
    width: 100%;
    min-height: 56px;
    padding: 10px 14px;
    border: 1px solid #cdd9dc;
    border-radius: 12px;
    background: #fff;
    color: var(--th-text);
    font: 700 26px/1 "Courier New", monospace;
    letter-spacing: .5em;
    text-align: center;
}
.mb-otp-slots { display: none; }
.mb-otp.is-ready .mb-otp-input {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    min-height: 0;
    padding: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: transparent;
    -webkit-text-fill-color: transparent;
    caret-color: transparent;
    font-size: 16px; /* iOS tidak zoom */
    letter-spacing: 0;
}
.mb-otp.is-ready .mb-otp-input:-webkit-autofill { transition: background-color 99999s; } /* warna autofill Chrome tidak menutupi kotak */
.mb-otp.is-ready .mb-otp-input::selection { background: transparent; }
.mb-otp.is-ready .mb-otp-slots { display: grid; grid-template-columns: repeat(6, 1fr); gap: clamp(6px, 2vw, 10px); }
.mb-otp-slots span {
    display: grid;
    place-items: center;
    height: clamp(52px, 14vw, 60px);
    border: 1.5px solid #cdd9dc;
    border-radius: 12px;
    background: #fff;
    color: var(--th-primary-dark);
    font: 700 clamp(22px, 6.5vw, 28px)/1 poppins, sans-serif;
    transition: border-color .15s, box-shadow .15s;
}
.mb-otp-slots span.is-filled { border-color: var(--th-primary); }
.mb-otp-slots span.is-active { border-color: var(--th-primary); box-shadow: 0 0 0 3px rgba(9, 78, 93, .16); }
.mb-otp-slots span.is-active:not(.is-filled)::after { content: ""; width: 2px; height: 26px; border-radius: 1px; background: var(--th-primary); animation: mb-blink 1s steps(1) infinite; }
@keyframes mb-blink { 50% { opacity: 0; } }
.mb-otp.is-error .mb-otp-slots span, .mb-otp.is-error .mb-otp-input { border-color: var(--mb-err); }
.mb-otp.is-error { animation: mb-shake .35s; }
@keyframes mb-shake { 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }

.mb-profile-grid { display: grid; gap: 16px; }
.mb-profile-grid .th-btn { justify-self: start; }
.mb-security p { margin: 0 0 14px; line-height: 1.55; }
.mb-security-list { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 10px; }
.mb-security-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; line-height: 1.45; }
.mb-security-list i { display: grid; place-items: center; flex: 0 0 30px; height: 30px; border-radius: 9px; background: var(--th-primary-soft); color: var(--th-primary); font-size: 13px; }
.mb-security-list span { padding-top: 4px; }
.mb-security .mb-security-last { margin: 0; padding-top: 12px; border-top: 1px solid var(--th-border); font-size: 13px; }

/* cek keaslian sertifikat /sertifikat/cek/{kode} (2026-10-25) */
.mb-auth-card.vc-card { max-width: 640px; margin: 0 auto; }
.vc-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 16px; color: var(--th-accent); font: 700 12px/1.3 poppins, sans-serif; letter-spacing: .08em; text-transform: uppercase; }
.vc-status { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 18px; padding: 16px; border-radius: 14px; }
.vc-status h1 { margin: 0 0 4px; font-size: 22px; }
.vc-status p { margin: 0; font-size: 15px; }
.vc-status--ok { background: var(--mb-ok-soft); }
.vc-status--ok h1 { color: var(--mb-ok); }
.vc-status--bad { background: var(--mb-err-soft); }
.vc-status--bad h1 { color: var(--mb-err); }
.vc-status-icon { display: grid; place-items: center; flex: 0 0 44px; height: 44px; border-radius: 50%; color: #fff; font-size: 20px; }
.vc-status--ok .vc-status-icon { background: var(--mb-ok); }
.vc-status--bad .vc-status-icon { background: var(--mb-err); }
.vc-data { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; margin: 0; }
.vc-row { grid-column: 1 / -1; padding: 10px 0; border-bottom: 1px solid var(--th-border); min-width: 0; }
.vc-row--half { grid-column: auto; }
.vc-row dt { margin-bottom: 2px; color: var(--th-muted); font-weight: 400; font-size: 13px; }
.vc-row dd { margin: 0; color: var(--th-primary-dark); font-weight: 700; overflow-wrap: anywhere; }
.vc-row--name dd { font: 700 22px/1.3 poppins, sans-serif; }
.vc-code { font-family: "Courier New", monospace; letter-spacing: .06em; }
.vc-form { margin-top: 18px; }
.vc-input { display: flex; gap: 8px; }
.vc-input input { flex: 1 1 auto; min-width: 0; text-transform: uppercase; letter-spacing: .06em; }
.vc-input .th-btn { flex: 0 0 auto; gap: 8px; }
.vc-page .mb-auth-help { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 16px; }
.vc-explore { display: inline-flex; align-items: center; gap: 6px; min-height: 40px; font-weight: 700; }
@media (max-width: 479px) {
    .vc-input { flex-direction: column; }
    .vc-input .th-btn { justify-content: center; }
    .vc-data { grid-template-columns: 1fr; }
    .vc-status h1 { font-size: 20px; }
}
:root[data-theme="dark"] .vc-row dd { color: var(--th-dk-head); }

/* Password Video ThunderSoft (.gem) di tab Materi (2026-10-25) */
.mb-gem { margin-bottom: 14px; border-top: 3px solid var(--th-accent); scroll-margin-top: calc(var(--th-header-h) + 70px); }
.mb-gem-head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.mb-gem-head h2 { margin: 0; font-size: 18px; }
.mb-gem-icon { display: grid; place-items: center; flex: 0 0 42px; height: 42px; border-radius: 12px; background: var(--th-accent-soft); color: var(--th-accent); font-size: 18px; }
.mb-gem-count { color: var(--th-muted); font-size: 13px; }
.mb-gem-sub { margin: 0 0 10px; font-size: 15px; line-height: 1.55; }
.mb-gem-platform { display: inline-flex; align-items: center; gap: 6px; margin-left: 2px; padding: 1px 8px; border-radius: 999px; background: var(--mb-warn-soft); color: #8a5a00; font-size: 13px; font-weight: 600; white-space: normal; }
.mb-gem-steps { margin: 0 0 14px; padding-left: 20px; font-size: 14px; line-height: 1.5; color: var(--th-text); }
.mb-gem-steps li { margin-bottom: 4px; }
.mb-gem-slots { display: grid; gap: 10px; }
.mb-gem-slot { display: grid; gap: 8px; min-width: 0; padding: 14px; border: 1px solid var(--th-border); border-radius: 12px; background: var(--mb-card); }
.mb-gem-slot--ready { border-color: rgba(30, 142, 90, .35); background: linear-gradient(180deg, var(--mb-ok-soft), var(--mb-card) 70%); }
.mb-gem-slot--pending { border-style: dashed; }
.mb-gem-slot-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.mb-gem-slot-no { color: var(--th-muted); font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.mb-gem-slot-head strong { color: var(--th-primary-dark); }
.mb-gem-badge { display: inline-flex; align-items: center; gap: 5px; margin-left: auto; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.mb-gem-badge--ready { background: var(--mb-ok-soft); color: var(--mb-ok); }
.mb-gem-badge--pending { background: var(--mb-warn-soft); color: #8a5a00; }
.mb-gem-code { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 8px; font-size: 13px; color: var(--th-muted); }
.mb-gem-code code { padding: 0; background: none; color: var(--th-text); font-size: 15px; font-weight: 700; letter-spacing: .06em; }
.mb-gem-note { margin: 0; color: var(--th-muted); font-size: 13px; line-height: 1.45; }
.mb-gem-pw { display: grid; gap: 8px; width: 100%; padding: 10px 12px; border: 1px solid #c7d6d9; border-radius: 10px; background: #fff; text-align: left; cursor: pointer; }
.mb-gem-pw code { display: block; max-height: 4.6em; overflow: hidden; padding: 0; background: none; color: var(--th-text); font: 12px/1.5 Consolas, Menlo, monospace; word-break: break-all; }
.mb-gem-pw-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; border-radius: 8px; background: var(--th-primary); color: #fff; font-weight: 700; font-size: 14px; }
.mb-gem-pw:hover .mb-gem-pw-btn { background: var(--th-primary-dark); }
.mb-gem-pw.is-copied .mb-gem-pw-btn { background: var(--mb-ok); }
.mb-gem-cancel { margin: 0; }
.mb-gem-link { display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 4px 0; border: 0; background: none; color: var(--mb-err); font-weight: 600; font-size: 14px; cursor: pointer; }
.mb-gem-form .mb-field { gap: 4px; }
.mb-gem-select { width: 100%; min-height: 46px; padding: 8px 12px; border: 1px solid #cdd9dc; border-radius: 10px; background: #fff; color: var(--th-text); font-size: 16px; }
.mb-gem-input { font-family: Consolas, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; }
.mb-gem-form .th-btn { justify-content: center; gap: 8px; }
.mb-gem-rejected { display: flex; gap: 8px; padding: 10px 12px; border-radius: 10px; background: var(--mb-err-soft); color: var(--mb-err); font-size: 14px; line-height: 1.45; }
.mb-gem-rejected i { margin-top: 3px; }
.mb-gem-full { border-style: dashed; }
.mb-gem-full p { display: flex; gap: 8px; margin: 0; font-size: 14px; line-height: 1.5; color: var(--th-muted); }
.mb-gem-full p i { margin-top: 3px; color: var(--th-primary); }
@media (min-width: 768px) {
    .mb-gem-slots { grid-template-columns: 1fr 1fr; }
    .mb-gem-form { grid-template-columns: 1fr 1.4fr; align-items: end; }
    .mb-gem-form .mb-gem-slot-head, .mb-gem-form .mb-gem-rejected, .mb-gem-form .th-btn { grid-column: 1 / -1; }
}
@media (min-width: 992px) {
    .mb-gem-slots:has(> :only-child) { grid-template-columns: 1fr; }
}

/* tanda tangan mentor untuk sertifikat (Profil) */
.mb-sign { margin-top: 16px; }
.mb-sign .mb-sign-sub { margin: -6px 0 14px; font-size: 15px; }
.mb-sign-none { display: flex; gap: 8px; margin: 0 0 12px; padding: 10px 12px; border-radius: 10px; background: var(--mb-warn-soft); color: #8a5a00; font-size: 14px; line-height: 1.45; }
.mb-sign-none i { margin-top: 3px; }
.mb-sign-box { position: relative; aspect-ratio: 2 / 1; max-height: 260px; border: 2px dashed #c7d6d9; border-radius: 14px; background: #fff; overflow: hidden; }
.mb-sign-box canvas { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; touch-action: none; cursor: crosshair; }
.mb-sign-hint { position: absolute; left: 0; right: 0; top: 38%; text-align: center; color: #a9b8bc; font: 600 18px/1 poppins, sans-serif; pointer-events: none; }
.mb-sign-line { position: absolute; left: 8%; right: 8%; bottom: 24%; border-bottom: 1.5px solid #dbe4e6; pointer-events: none; }
.mb-sign-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 12px; }
.mb-sign-tool, .mb-sign-del {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 8px 14px;
    border: 1px solid var(--th-border);
    border-radius: 10px;
    background: var(--mb-card);
    color: var(--th-primary);
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
}
.mb-sign-tool:hover { border-color: var(--th-primary); background: var(--th-primary-soft); }
.mb-sign-del { border-color: transparent; color: var(--mb-err); }
.mb-sign-del:hover { background: var(--mb-err-soft); }
.mb-sign-save { margin-left: auto; }
.mb-sign-label { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 8px; color: var(--mb-ok); font-weight: 700; font-size: 14px; }
.mb-sign-preview { display: grid; place-items: center; min-height: 120px; padding: 14px; border: 1px solid var(--th-border); border-radius: 14px; background: #fff; }
.mb-sign-preview img { max-width: 100%; max-height: 140px; }
.mb-sign-msg { margin: 12px 0 0; }
@media (max-width: 575px) {
    .mb-sign-box { aspect-ratio: 3 / 2; }
    .mb-sign-save { flex: 1 0 100%; margin-left: 0; justify-content: center; }
    .mb-sign-tool { flex: 1 1 0; justify-content: center; }
}

/* ---------- halaman masuk / aktivasi ---------- */
/* tanpa min-height layar penuh: footer langsung menyusul kartu (dulu jarak kosong 200-600px) */
.mb-auth { padding: 20px 0 40px; background:
    radial-gradient(circle at 0 0, rgba(9, 78, 93, .08), transparent 45%),
    radial-gradient(circle at 100% 100%, rgba(232, 101, 10, .08), transparent 45%), var(--mb-bg); }
.mb-auth-grid { display: grid; gap: 20px; align-items: stretch; max-width: 980px; }
.mb-auth-side { display: none; }
.mb-auth-card {
    width: 100%;
    max-width: 460px;
    margin: 0 auto;
    padding: 26px 20px;
    background: var(--mb-card);
    border: 1px solid var(--th-border);
    border-radius: 18px;
    box-shadow: var(--th-shadow-lg);
}
.mb-auth-card h1 { margin: 0 0 6px; font-size: 24px; }
.mb-auth-card > .mb-muted { margin: 0 0 18px; line-height: 1.5; }
.mb-auth-icon { display: grid; place-items: center; width: 56px; height: 56px; margin-bottom: 14px; border-radius: 16px; background: var(--th-accent-soft); color: var(--th-accent); font-size: 24px; }
.mb-auth-icon--warn { background: var(--mb-err-soft); color: var(--mb-err); }
.mb-auth-help { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--th-border); font-size: 15px; line-height: 1.5; color: var(--th-muted); }
.mb-auth-help p { margin: 0 0 10px; }
.mb-auth-help a { font-weight: 600; }
.mb-link-wa { display: inline-flex; align-items: center; gap: 6px; min-height: 40px; font-weight: 700; color: #128c4b !important; }
.mb-link-wa i { font-size: 18px; }
.mb-auth-foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; margin: 18px 0 0; font-weight: 600; }
.mb-auth-foot a { display: inline-flex; align-items: center; gap: 6px; min-height: 40px; }
.mb-auth-back { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; margin: -10px 0 6px; font-weight: 600; text-decoration: none !important; }
.mb-auth-note { display: flex; align-items: flex-start; gap: 8px; margin: 16px 0 0; font-size: 14px; line-height: 1.5; color: var(--th-muted); }
.mb-auth-note i { margin-top: 3px; color: var(--mb-ok); }
.mb-auth-side-note { display: none; }
.mb-code-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 6px; }
.mb-code-actions form { display: flex; flex: 1 1 auto; margin: 0; }
.mb-code-actions .mb-resend, .mb-code-actions .mb-open-mail { flex: 1 1 auto; justify-content: center; }
.mb-resend, .mb-open-mail {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 8px 14px;
    border: 1px solid var(--th-border);
    border-radius: 10px;
    background: var(--mb-card);
    color: var(--th-primary) !important;
    font-weight: 700;
    font-size: 14px;
    text-decoration: none !important;
    cursor: pointer;
}
.mb-resend:hover:not(:disabled), .mb-open-mail:hover { border-color: var(--th-primary); background: var(--th-primary-soft); }
.mb-resend:disabled { background: #f3f6f7; color: var(--th-muted) !important; cursor: default; font-variant-numeric: tabular-nums; }

/* ---------- responsive ---------- */
@media (min-width: 576px) {
    .mb-course-grid { grid-template-columns: repeat(2, 1fr); }
    .mb-filter { grid-template-columns: 1fr auto; align-items: center; }
    .mb-auth-card { padding: 32px 30px; }
    .mb-person .mb-badge-new { grid-column: 3; grid-row: 1; }
    .mb-person { grid-template-columns: 44px 1fr auto auto; }
    .mb-person-go { grid-column: 4; }
}

/* lompatan #diskusi (link email / klik tab di HP) berhenti tepat di bawah tab, bukan di bawah header */
#diskusi { scroll-margin-top: calc(var(--th-header-h) + 86px); }
@media (max-width: 767px) {
    .mb-msg { max-width: 88%; }
}
@media (min-width: 768px) {
    .mb-wa { height: clamp(440px, calc(100vh - 330px), 760px); }
    #diskusi { scroll-margin-top: calc(var(--th-header-h) + 84px); }
}

@media (min-width: 768px) {
    .mb-material { grid-template-columns: 28px minmax(0, 1fr) auto; }
    .mb-material-actions { grid-column: auto; }
    .mb-pw { flex: 0 1 auto; max-width: 230px; }
    .mb-bottom { display: none; }
    .mb-tabs-top { display: flex; }
    .mb-section { padding: 28px 0 56px; }
    .mb-page-head h1 { font-size: 28px; }
    .mb-tabs { position: static; display: flex; gap: 6px; padding: 6px; }
    .mb-tabs button { flex-direction: row; gap: 8px; min-height: 44px; padding: 8px 16px; font-size: 15px; }
    .mb-count { display: inline-grid; place-items: center; min-width: 22px; height: 22px; padding: 0 6px; border-radius: 11px; background: rgba(9, 78, 93, .1); font-size: 12px; }
    .mb-tabs button[aria-selected="true"] .mb-count { background: rgba(255, 255, 255, .2); }
    .mb-profile-grid { grid-template-columns: 1fr 1fr; align-items: start; }
    .mb-auth { padding: 40px 0 56px; }
    /* ikon WA melayang menutupi tombol Kirim di diskusi; di halaman kelas kontak lewat Diskusi Mentor */
    body:has(.mb-kelas) .th-fab-wa { display: none; }
}

@media (min-width: 992px) {
    .mb-course-grid { grid-template-columns: repeat(3, 1fr); }
    .mb-kelas-grid { grid-template-columns: 320px 1fr; align-items: start; gap: 24px; }
    .mb-kelas-side { position: sticky; top: calc(var(--th-header-h) + 16px); }
    .mb-kelas-thumb { display: block; }
    .mb-steps { grid-template-columns: 1fr; gap: 0; padding: 16px 18px; }
    .mb-steps li { grid-template-columns: 30px 1fr; justify-items: start; align-items: center; gap: 12px; text-align: left; font-size: 14px; padding: 8px 0; }
    .mb-steps li::before { top: calc(-50% + 8px); bottom: calc(50% + 15px); left: 14px; right: auto; width: 2px; height: auto; }
    .mb-auth-grid { grid-template-columns: 1fr 460px; gap: 40px; align-items: center; }
    .mb-auth-side {
        display: grid;
        align-content: center;
        gap: 18px;
        padding: 40px;
        min-height: 100%;
        border-radius: 18px;
        color: #fff;
        background:
            radial-gradient(circle at 100% 0, rgba(255, 178, 122, .28), transparent 45%),
            linear-gradient(135deg, var(--th-primary) 0%, var(--th-primary-dark) 100%);
    }
    .mb-auth-side .mb-band-label { font-family: poppins, sans-serif; font-size: 14px; }
    .mb-auth-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
    .mb-auth-points li { display: flex; align-items: center; gap: 14px; font-family: poppins, sans-serif; font-size: 22px; font-weight: 600; }
    .mb-auth-points i { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; background: rgba(255, 255, 255, .12); color: #ffb27a; font-size: 22px; }
    .mb-auth-side-note { display: flex; align-items: flex-start; gap: 10px; margin: 8px 0 0; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .16); font-size: 15px; line-height: 1.5; color: rgba(255, 255, 255, .86); }
    .mb-auth-side-note i { margin-top: 4px; color: #ffb27a; }
    .mb-auth-card { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
    .mb-course, .mb-msg.is-new, .mb-course-go i { transition: none; animation: none; }
    .mb-otp.is-error, .mb-otp-slots span::after { animation: none !important; }
}

/* ---------- halaman kelas: mode aplikasi di HP & tablet (< 992px) ----------
   Bar atas tetap (kembali, judul kelas, info), navigasi bawah tetap Materi | Diskusi | Sertifikat,
   Diskusi = layar chat penuh. Header, footer, dan navigasi member situs disembunyikan di halaman ini. */
.mb-appbar, .mb-sheet-head, .mb-sheet-backdrop, .mb-kelas-summary { display: none; }
.mb-tab-badge {
    display: inline-grid;
    place-items: center;
    min-width: 19px;
    height: 19px;
    margin-left: 6px;
    padding: 0 5px;
    border-radius: 10px;
    background: var(--th-accent);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
}
.mb-tab-badge[hidden] { display: none; }

@media (max-width: 991px) {
    body:has(.mb-kelas) { padding-top: 0; }
    body:has(.mb-kelas) #header,
    body:has(.mb-kelas) .th-footer,
    body:has(.mb-kelas) .mb-band,
    body:has(.mb-kelas) .mb-bottom,
    body:has(.mb-kelas) .th-fab-wa,
    body:has(.mb-kelas) #scroll-to-top { display: none !important; }
    html.mb-noscroll, html.mb-noscroll body { overflow: hidden; }

    .mb-section.mb-kelas {
        --mb-appbar-h: 60px;
        --mb-nav-h: calc(62px + env(safe-area-inset-bottom));
        min-height: 100vh;
        padding: calc(var(--mb-appbar-h) + 14px) 0 calc(var(--mb-nav-h) + 20px);
    }
    .mb-kelas .mb-back { display: none; }

    /* bar atas */
    .mb-appbar {
        position: fixed;
        top: var(--mb-vvt, 0px);
        left: 0;
        right: 0;
        z-index: 1000;
        display: flex;
        align-items: center;
        gap: 2px;
        height: var(--mb-appbar-h);
        padding: 0 4px;
        background: var(--th-primary);
        color: #fff;
        box-shadow: 0 2px 10px rgba(6, 55, 67, .25);
    }
    .mb-appbar-btn {
        display: grid;
        place-items: center;
        flex: 0 0 44px;
        width: 44px;
        height: 44px;
        border: 0;
        border-radius: 50%;
        background: transparent;
        color: #fff !important;
        font-size: 18px;
        text-decoration: none !important;
        cursor: pointer;
    }
    .mb-appbar-btn:active, .mb-appbar-main:active { background: rgba(255, 255, 255, .12); }
    .mb-appbar-main {
        flex: 1;
        min-width: 0;
        display: flex;
        align-items: center;
        gap: 10px;
        height: 48px;
        padding: 0 6px;
        border: 0;
        border-radius: 10px;
        background: transparent;
        color: #fff;
        font: inherit;
        text-align: left;
        cursor: pointer;
    }
    .mb-appbar-thumb { display: grid; place-items: center; flex: 0 0 40px; width: 40px; height: 40px; border-radius: 50%; object-fit: cover; background: var(--th-accent); color: #fff; }
    .mb-appbar-text { min-width: 0; line-height: 1.25; }
    .mb-appbar-text strong { display: block; font-family: poppins, sans-serif; font-size: 15px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .mb-appbar-text small { display: block; font-size: 13px; opacity: .82; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .mb-appbar-progress { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: rgba(255, 255, 255, .15); }
    .mb-appbar-progress i { display: block; height: 100%; background: var(--th-accent); border-radius: 0 3px 3px 0; transition: width .4s; }
    .mb-appbar-btn:focus-visible, .mb-appbar-main:focus-visible { outline: 3px solid #ffb27a; outline-offset: -3px; }

    /* navigasi bawah = tab kelas */
    .mb-kelas .mb-tabs {
        position: fixed;
        top: auto;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1000;
        display: grid;
        grid-auto-flow: column;
        grid-auto-columns: 1fr;
        gap: 4px;
        margin: 0;
        padding: 4px 8px calc(4px + env(safe-area-inset-bottom));
        border: 0;
        border-radius: 0;
        background: var(--mb-card);
        box-shadow: 0 -6px 20px rgba(9, 78, 93, .12);
    }
    .mb-kelas .mb-tabs button {
        position: relative;
        flex-direction: column;
        gap: 3px;
        min-height: 54px;
        padding: 4px;
        background: transparent;
        color: var(--th-muted);
        font-size: 12px;
    }
    .mb-kelas .mb-tabs button i { font-size: 20px; }
    .mb-kelas .mb-tabs button[aria-selected="true"] { background: transparent; color: var(--th-accent); }
    .mb-kelas .mb-tabs button[aria-selected="true"]::before {
        content: "";
        position: absolute;
        top: -4px;
        left: 28%;
        right: 28%;
        height: 3px;
        border-radius: 0 0 3px 3px;
        background: var(--th-accent);
    }
    .mb-kelas .mb-count { display: none; }
    .mb-kelas .mb-tab-badge { position: absolute; top: 2px; left: calc(50% + 6px); margin: 0; box-shadow: 0 0 0 2px var(--mb-card); }
    .mb-kelas .mb-tabs button[aria-selected="true"] .mb-dot-ok { background: var(--mb-ok); }
    .mb-kelas.is-typing .mb-tabs { display: none; }

    /* info kelas = panel dari bawah */
    .mb-kelas-side {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1002;
        display: grid;
        gap: 12px;
        max-height: 88vh;
        max-height: 88dvh;
        overflow-y: auto;
        overscroll-behavior: contain;
        padding: 0 16px calc(20px + env(safe-area-inset-bottom));
        border-radius: 20px 20px 0 0;
        background: var(--mb-bg);
        box-shadow: 0 -12px 40px rgba(6, 55, 67, .3);
        transform: translateY(105%);
        visibility: hidden;
        transition: transform .28s cubic-bezier(.2, .8, .2, 1), visibility 0s .28s;
    }
    .mb-kelas.is-info-open .mb-kelas-side { transform: none; visibility: visible; transition: transform .28s cubic-bezier(.2, .8, .2, 1); }
    .mb-sheet-head {
        position: sticky;
        top: 0;
        z-index: 1;
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin: 0 -16px;
        padding: 18px 8px 8px 20px;
        background: var(--mb-bg);
        font-family: poppins, sans-serif;
        font-size: 16px;
        color: var(--th-primary-dark);
    }
    .mb-sheet-grip { position: absolute; top: 7px; left: 50%; width: 40px; height: 4px; margin-left: -20px; border-radius: 2px; background: rgba(9, 78, 93, .2); }
    .mb-sheet-close { display: grid; place-items: center; width: 44px; height: 44px; border: 0; border-radius: 50%; background: transparent; color: var(--th-muted); font-size: 18px; cursor: pointer; }
    .mb-sheet-close:hover { background: rgba(9, 78, 93, .08); }
    .mb-kelas-side .mb-kelas-thumb { display: block; }
    .mb-sheet-backdrop {
        position: fixed;
        inset: 0;
        z-index: 1001;
        display: block;
        background: rgba(6, 55, 67, .5);
        opacity: 0;
        pointer-events: none;
        transition: opacity .25s;
    }
    .mb-kelas.is-info-open .mb-sheet-backdrop { opacity: 1; pointer-events: auto; }

    /* ringkasan kelas di atas Materi */
    .mb-kelas-summary { display: grid; gap: 4px; margin-bottom: 14px; padding: 16px; }
    .mb-kelas-summary-title { font-family: poppins, sans-serif; font-size: 17px; font-weight: 600; line-height: 1.35; color: var(--th-primary-dark); }
    .mb-kelas-summary .mb-muted { font-size: 14px; }
    .mb-kelas-summary-progress { display: grid; grid-template-columns: 1fr auto; gap: 6px 10px; align-items: center; margin-top: 10px; padding-top: 12px; border-top: 1px solid var(--th-border); font-size: 14px; }
    .mb-kelas-summary-progress b { color: var(--th-accent); }
    .mb-kelas-summary-bar { grid-column: 1 / -1; height: 6px; border-radius: 3px; background: var(--th-primary-soft); overflow: hidden; }
    .mb-kelas-summary-bar i { display: block; height: 100%; border-radius: 3px; background: var(--th-accent); }
    .mb-kelas-summary-more:focus-visible { outline: 3px solid #ffb27a; outline-offset: 2px; border-radius: 6px; }
    .mb-kelas-summary-more { justify-self: start; display: inline-flex; align-items: center; gap: 6px; min-height: 40px; margin-top: 4px; padding: 0; border: 0; background: none; color: var(--th-primary); font: inherit; font-weight: 700; font-size: 14px; cursor: pointer; }

    /* diskusi = layar chat penuh di antara bar atas dan navigasi bawah (mengikuti keyboard lewat --mb-vvh) */
    #diskusi .mb-wa {
        position: fixed;
        left: 0;
        right: 0;
        top: calc(var(--mb-vvt, 0px) + var(--mb-appbar-h));
        z-index: 5;
        height: calc(var(--mb-vvh, 100dvh) - var(--mb-appbar-h) - var(--mb-nav-h));
        border: 0;
        border-radius: 0;
    }
    .mb-kelas.is-typing #diskusi .mb-wa { height: calc(var(--mb-vvh, 100dvh) - var(--mb-appbar-h)); }
    #diskusi .mb-wa-head { display: none; }
    #diskusi .mb-wa-drop { inset: 0; }
    .mb-kelas .mb-compose { padding-bottom: 8px; }

    /* banner (mis. "Ditandai selesai") jadi notifikasi melayang di bawah bar atas lalu hilang sendiri */
    body:has(.mb-kelas) .mb-flash {
        position: fixed;
        top: 70px;
        left: 12px;
        right: 12px;
        z-index: 1003;
        margin: 0;
        box-shadow: 0 8px 24px rgba(6, 55, 67, .2);
        animation: mb-toast 5s ease forwards;
        pointer-events: none;
    }
}
@keyframes mb-toast {
    0% { opacity: 0; transform: translateY(-8px); }
    6%, 85% { opacity: 1; transform: none; }
    100% { opacity: 0; transform: translateY(-8px); visibility: hidden; }
}
@media (max-width: 991px) and (prefers-reduced-motion: reduce) {
    .mb-kelas-side, .mb-sheet-backdrop { transition: none; }
}

/* ---------- mode gelap ---------- */
:root[data-theme="dark"] .mb-app,
:root[data-theme="dark"] .mb-auth {
    --mb-bg: var(--th-dk-bg);
    --mb-card: var(--th-dk-card);
    --mb-ok-soft: rgba(30, 142, 90, .18);
    --mb-err-soft: rgba(192, 57, 43, .2);
    --mb-warn-soft: rgba(255, 196, 0, .14);
    --mb-ok: #4fd18c;
    --mb-err: #ff8a7a;
}
:root[data-theme="dark"] .mb-auth { background: var(--th-dk-bg); }
:root[data-theme="dark"] .mb-app h1, :root[data-theme="dark"] .mb-app h2, :root[data-theme="dark"] .mb-auth h1, :root[data-theme="dark"] .mb-auth h2,
:root[data-theme="dark"] .mb-course-title, :root[data-theme="dark"] .mb-material-body strong, :root[data-theme="dark"] .mb-person-body strong { color: var(--th-dk-head); }
:root[data-theme="dark"] .mb-app a:not(.th-btn):not(.mb-course):not(.mb-person), :root[data-theme="dark"] .mb-auth a:not(.th-btn) { color: var(--th-dk-link); }
:root[data-theme="dark"] .mb-bottom { background: var(--th-dk-card); box-shadow: 0 -6px 20px rgba(0, 0, 0, .4); }
:root[data-theme="dark"] .mb-field input { background: var(--th-dk-card-2); border-color: var(--th-dk-line); color: var(--th-dk-text); }
:root[data-theme="dark"] .mb-field input[readonly] { background: var(--th-dk-bg-2); }
:root[data-theme="dark"] .mb-otp.is-ready .mb-otp-input { background: transparent; border: 0; color: transparent; }
:root[data-theme="dark"] .mb-otp-input, :root[data-theme="dark"] .mb-otp-slots span { background: var(--th-dk-card-2); border-color: var(--th-dk-line); color: var(--th-dk-head); }
:root[data-theme="dark"] .mb-otp-slots span.is-filled, :root[data-theme="dark"] .mb-otp-slots span.is-active { border-color: var(--th-dk-link); }
:root[data-theme="dark"] .mb-otp-slots span.is-active { box-shadow: 0 0 0 3px rgba(125, 211, 230, .18); }
:root[data-theme="dark"] .mb-otp-slots span.is-active:not(.is-filled)::after { background: var(--th-dk-link); }
:root[data-theme="dark"] .mb-otp.is-error .mb-otp-slots span { border-color: var(--mb-err); }
:root[data-theme="dark"] .mb-resend, :root[data-theme="dark"] .mb-open-mail { background: transparent; border-color: var(--th-dk-line); color: var(--th-dk-link) !important; }
:root[data-theme="dark"] .mb-resend:disabled { background: var(--th-dk-card-2); color: var(--th-dk-muted) !important; }
:root[data-theme="dark"] .mb-security-list i { background: rgba(125, 211, 230, .14); color: #9fe0ee; }
:root[data-theme="dark"] .mb-gem-slot-head strong { color: var(--th-dk-head); }
:root[data-theme="dark"] .mb-gem-pw, :root[data-theme="dark"] .mb-gem-select { background: var(--th-dk-card-2); border-color: var(--th-dk-line); color: var(--th-dk-text); }
:root[data-theme="dark"] .mb-gem-pw code, :root[data-theme="dark"] .mb-gem-code code { color: var(--th-dk-text); }
:root[data-theme="dark"] .mb-gem-pw-btn { background: #0d5f70; }
:root[data-theme="dark"] .mb-gem-badge--pending, :root[data-theme="dark"] .mb-gem-platform { color: #ffd166; }
/* kanvas tanda tangan tetap putih seperti kertas supaya tinta gelap terlihat */
:root[data-theme="dark"] .mb-sign-box, :root[data-theme="dark"] .mb-sign-preview { border-color: var(--th-dk-line); }
:root[data-theme="dark"] .mb-sign-tool { background: transparent; border-color: var(--th-dk-line); color: var(--th-dk-link); }
:root[data-theme="dark"] .mb-sign-none { color: #ffd166; }
:root[data-theme="dark"] .mb-pw { background: var(--th-dk-card-2); border-color: var(--th-dk-line); color: var(--th-dk-link); }
:root[data-theme="dark"] .mb-pw code { color: var(--th-dk-text); }
:root[data-theme="dark"] .mb-pw--none { background: transparent; color: var(--th-dk-muted); }
:root[data-theme="dark"] .mb-copy.is-copied { border-color: var(--mb-ok); background: var(--mb-ok-soft); color: var(--mb-ok); }
:root[data-theme="dark"] .mb-wa {
    --wa-bg: #0e1619;
    --wa-in: #22292d;
    --wa-out: #0d5f70;
    --wa-meta: rgba(228, 229, 231, .62);
    --wa-shadow: 0 1px .5px rgba(0, 0, 0, .4);
    --wa-bar: var(--th-dk-card);
    --wa-icon: var(--th-dk-muted);
    border-color: var(--th-dk-line);
}
:root[data-theme="dark"] .mb-wa-head { background: #0b3640; }
:root[data-theme="dark"] .mb-modal { background: var(--th-dk-card); color: var(--th-dk-text); }
:root[data-theme="dark"] .mb-modal h2, :root[data-theme="dark"] .mb-modal-next strong { color: var(--th-dk-head); }
:root[data-theme="dark"] .mb-modal-next { background: var(--th-dk-card-2); }
:root[data-theme="dark"] .mb-modal-next i { color: #7fd3e3; }
:root[data-theme="dark"] .mb-modal-icon { background: rgba(232, 101, 10, .18); }
:root[data-theme="dark"] .mb-modal-err { background: rgba(192, 57, 43, .2); color: #ff8a7a; }
:root[data-theme="dark"] .mb-chat { scrollbar-color: rgba(255, 255, 255, .2) transparent; }
:root[data-theme="dark"] .mb-chat::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, .2); }
:root[data-theme="dark"] .mb-chat { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140' fill='none' stroke='%23ffffff' stroke-opacity='.04' stroke-width='1.5'%3E%3Ccircle cx='20' cy='22' r='7'/%3E%3Cpath d='M70 14v14M63 21h14M112 30l10-10M112 20l10 10M30 92h18M39 83v18M98 84h22l-11 18z'/%3E%3Crect x='60' y='110' width='16' height='12' rx='2'/%3E%3Ccircle cx='122' cy='118' r='3'/%3E%3Cpath d='M8 128c6-6 12 6 18 0'/%3E%3C/svg%3E"); }
:root[data-theme="dark"] .mb-wa-bubble, :root[data-theme="dark"] .mb-wa-day span { color: var(--th-dk-text); }
:root[data-theme="dark"] .mb-wa-notice { background: #2b2614; color: #e9dcae; }
:root[data-theme="dark"] .mb-chat-empty { color: var(--th-dk-muted); }
:root[data-theme="dark"] .mb-wa-unread { background: rgba(255, 255, 255, .05); }
:root[data-theme="dark"] .mb-wa-unread span { background: rgba(232, 101, 10, .18); color: var(--th-dk-link); }
:root[data-theme="dark"] .mb-wa-name { color: #7fd3e3; }
:root[data-theme="dark"] .mb-msg--peserta .mb-wa-name { color: var(--th-dk-link); }
:root[data-theme="dark"] .mb-msg--admin .mb-wa-name { color: #b9a5f0; }
:root[data-theme="dark"] .mb-wa-text a { color: #9fe0ee !important; }
:root[data-theme="dark"] .mb-wa-tick { color: rgba(228, 229, 231, .55); }
:root[data-theme="dark"] .mb-wa-tick.is-read { color: #53bdeb; }
:root[data-theme="dark"] .mb-wa-doc, :root[data-theme="dark"] .mb-msg.is-mine .mb-wa-doc { background: rgba(0, 0, 0, .2); }
:root[data-theme="dark"] .mb-wa-input, :root[data-theme="dark"] .mb-wa-preview, :root[data-theme="dark"] .mb-wa-menu { background: var(--th-dk-card-2); }
:root[data-theme="dark"] .mb-wa-input textarea, :root[data-theme="dark"] .mb-wa-menu button { color: var(--th-dk-text); }
:root[data-theme="dark"] .mb-wa-input:focus-within { box-shadow: 0 0 0 2px #2b8ea3; }
:root[data-theme="dark"] .mb-wa-icon:hover, :root[data-theme="dark"] .mb-wa-clip[aria-expanded="true"], :root[data-theme="dark"] .mb-wa-menu button:hover { background: rgba(255, 255, 255, .08); color: var(--th-dk-head); }
:root[data-theme="dark"] .mb-tabs button[aria-selected="true"], :root[data-theme="dark"] .mb-chip.is-active { background: #0d5f70; border-color: #0d5f70; }
:root[data-theme="dark"] .mb-pill--aktif, :root[data-theme="dark"] .mb-role { background: rgba(125, 211, 230, .14); color: #9fe0ee; }
:root[data-theme="dark"] .mb-pill--selesai { color: #ffd166; }
:root[data-theme="dark"] .mb-pill--muted, :root[data-theme="dark"] .mb-step-dot { background: var(--th-dk-card-2); color: var(--th-dk-muted); }
:root[data-theme="dark"] .mb-course-thumb .mb-pill--aktif { background: var(--th-dk-card); }
:root[data-theme="dark"] .mb-course-thumb { background: var(--th-dk-card-2); color: var(--th-dk-link); }
:root[data-theme="dark"] .mb-search input, :root[data-theme="dark"] .mb-chip { background: var(--th-dk-card); color: var(--th-dk-text); }
:root[data-theme="dark"] .mb-cert { background: linear-gradient(180deg, rgba(232, 101, 10, .16), var(--th-dk-card) 140px); }
:root[data-theme="dark"] .mb-cert-preview { background: var(--th-dk-card-2); border-color: var(--th-dk-line); box-shadow: 0 12px 30px rgba(0, 0, 0, .45); }
:root[data-theme="dark"] .mb-cert-head b { color: var(--th-dk-text); }
:root[data-theme="dark"] .mb-link-wa { color: #4fd18c !important; }
:root[data-theme="dark"] .mb-wa-chat { background: rgba(37, 211, 102, .1); border-color: rgba(37, 211, 102, .35); color: #4fd18c !important; }
:root[data-theme="dark"] .mb-wa-chat small { color: var(--th-dk-muted); }
:root[data-theme="dark"] .mb-tabs-top a.is-active { color: var(--th-primary) !important; }
@media (max-width: 991px) {
    :root[data-theme="dark"] .mb-appbar { background: #0b3640; }
    :root[data-theme="dark"] .mb-kelas .mb-tabs { box-shadow: 0 -6px 20px rgba(0, 0, 0, .45); }
    :root[data-theme="dark"] .mb-kelas .mb-tabs button[aria-selected="true"] { background: transparent; color: var(--th-dk-link); }
    :root[data-theme="dark"] .mb-kelas .mb-tabs button[aria-selected="true"]::before { background: var(--th-dk-link); }
    :root[data-theme="dark"] .mb-sheet-head { color: var(--th-dk-head); }
    :root[data-theme="dark"] .mb-sheet-grip { background: rgba(255, 255, 255, .25); }
    :root[data-theme="dark"] .mb-sheet-close { color: var(--th-dk-muted); }
    :root[data-theme="dark"] .mb-kelas-summary-title { color: var(--th-dk-head); }
    :root[data-theme="dark"] .mb-kelas-summary-bar { background: var(--th-dk-card-2); }
    :root[data-theme="dark"] .mb-kelas-summary-more { color: var(--th-dk-link); }
}