/* ==========================================================================
   StudyNotes - Stealth & Minimalist Academic Theme
   Desain menyerupai aplikasi buku catatan belajar mandiri (Notepad / Notion style)
   ========================================================================== */

:root {
    --bg-page: #edf4fb;
    --bg-surface: #ffffff;
    --bg-muted: #e1eefb;
    --border-color: #d2e4f5;
    --border-dark: #b5d2ed;
    
    --text-primary: #0a2540;
    --text-secondary: #325378;
    --text-muted: #799bbb;
    
    --accent: #0284c7;
    --accent-hover: #0369a1;
    --accent-light: #e0f2fe;
    
    --highlight-user: #e8f3fe;
    --highlight-parent: #ffffff;
    
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    
    --header-height: 56px;
    --max-width: 860px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-page);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.6;
    height: 100vh;
    overflow: hidden;
}

/* ==========================================================================
   UI ICONS (SVG VECTOR LINE ICONS)
   ========================================================================== */
.ui-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
    flex-shrink: 0;
}
.ui-icon-xs {
    display: inline-block;
    vertical-align: -1.5px;
    margin-right: 5px;
    flex-shrink: 0;
}
.ui-icon-lg {
    display: block;
    margin: 0 auto;
}
.ui-empty-icon {
    display: block;
    margin: 0 auto 12px;
    color: #8daecb;
    opacity: 0.85;
}

/* ==========================================================================
   LAYOUT UTAMA
   ========================================================================== */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: var(--max-width);
    margin: 0 auto;
    background: var(--bg-surface);
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.03);
}

/* HEADER SAMARAN */
.app-header {
    height: var(--header-height);
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    user-select: none;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-icon {
    font-size: 18px;
    color: #0284c7;
}

.brand-title {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.2px;
    color: var(--text-primary);
}

.brand-tag {
    font-size: 11px;
    background: #e0f2fe;
    color: #0284c7;
    padding: 3px 9px;
    border-radius: 6px;
    font-weight: 600;
    border: 1px solid #bae6fd;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-stealth {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s ease;
}

.btn-stealth:hover {
    background: #f0f7fe;
    color: #0369a1;
    border-color: #bae6fd;
}

.btn-panic {
    background: #fef2f2;
    border-color: #fecaca;
    color: #991b1b;
}

.btn-panic:hover {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #7f1d1d;
}

/* SUB HEADER: INFO DOKUMEN */
.doc-info-bar {
    padding: 8px 20px;
    background: #f3f8fd;
    border-bottom: 1px solid #dce8f5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: #42698f;
}

.sync-status {
    display: flex;
    align-items: center;
    gap: 6px;
}

.sync-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #0ea5e9;
}

.sync-dot.syncing {
    background: #eab308;
    animation: pulse 1s infinite alternate;
}

@keyframes pulse {
    0% { opacity: 0.4; }
    100% { opacity: 1; }
}

/* ==========================================================================
   AREA CATATAN / CHAT PESAN
   ========================================================================== */
.notes-container {
    flex: 1;
    overflow-y: auto;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: radial-gradient(ellipse at top, #f6fafd 0%, #edf5fc 100%);
}

/* TAMPILAN PESAN BERGAYA CHAT ORGANIK & ELEGAN */
.note-item {
    position: relative;
    padding: 10px 15px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 4px rgba(2, 132, 199, 0.05);
    transition: transform 0.1s ease;
    width: fit-content;
    max-width: 82%;
    word-break: break-word;
}

/* Pesan dari Siswa/Anak (Icha) - Soft Sky Blue */
.note-user {
    align-self: flex-end;
    background: #eaf4fe;
    border: 1px solid #cce3fa;
    border-radius: 16px 16px 4px 16px;
}

/* Pesan dari Orang Tua/Pembimbing (Ayah) - Pure White with Soft Shadow */
.note-parent {
    align-self: flex-start;
    background: #ffffff;
    border: 1px solid #e2eaf4;
    border-radius: 16px 16px 16px 4px;
    box-shadow: 0 1px 5px rgba(15, 23, 42, 0.04);
}

.note-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 6px;
    font-size: 12px;
    font-weight: 600;
}

.note-header > span:first-child {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.note-user .note-header {
    color: #0284c7;
}

.note-parent .note-header {
    color: #4f46e5;
}

.note-time {
    font-size: 11px;
    font-weight: 400;
    color: #7fa4c6;
    white-space: nowrap;
    margin-left: auto;
}

.note-content {
    font-size: 14.5px;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
}

.note-status-tag {
    margin-top: 6px;
    font-size: 11px;
    color: #0284c7;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* EMPTY STATE */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 36px;
    margin-bottom: 12px;
    opacity: 0.6;
}

.empty-state-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.empty-state-desc {
    font-size: 13px;
    max-width: 380px;
    margin: 0 auto;
}

/* ==========================================================================
   INPUT BOX PENULISAN CATATAN (CHAT COMPOSER)
   ========================================================================== */
.editor-footer {
    padding: 14px 20px 18px;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
}

.editor-box {
    display: flex;
    flex-direction: column;
    border: 1px solid #c8dff5;
    border-radius: 10px;
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(2, 132, 199, 0.05);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.editor-box:focus-within {
    border-color: #38bdf8;
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.editor-textarea {
    width: 100%;
    border: none;
    outline: none;
    padding: 12px 14px;
    font-family: inherit;
    font-size: 14.5px;
    line-height: 1.5;
    resize: none;
    min-height: 52px;
    max-height: 140px;
    color: var(--text-primary);
    background: transparent;
}

.editor-textarea::placeholder {
    color: #9ab4cf;
}

.editor-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    border-top: 1px solid #eef5fc;
    background: #f8fbfe;
    border-radius: 0 0 9px 9px;
}

.toolbar-tools {
    position: relative;
    display: flex;
    align-items: center;
    gap: 4px;
}

.toolbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-tool {
    background: transparent;
    border: none;
    font-size: 16px;
    padding: 4px 7px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0284c7;
}

.btn-tool:hover {
    background: #e0f2fe;
    color: #0369a1;
}

.btn-send {
    background: linear-gradient(135deg, #0284c7, #2563eb);
    color: #ffffff;
    border: none;
    padding: 7px 18px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}

.btn-send:hover {
    background: linear-gradient(135deg, #0369a1, #1d4ed8);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.btn-send:disabled {
    background: #c5daf0;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.attachment-preview {
    padding: 10px 14px 4px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.preview-item {
    position: relative;
    display: inline-block;
}

.preview-item img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--border-dark);
}

.btn-remove-attach {
    position: absolute;
    top: -6px;
    right: -6px;
    background: #ef4444;
    color: white;
    border: 2px solid white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.emoji-picker {
    position: absolute;
    bottom: 38px;
    left: 0;
    background: #ffffff;
    border: 1px solid var(--border-dark);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    padding: 8px;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 5px;
    z-index: 100;
    font-size: 18px;
    user-select: none;
    width: 190px;
}

.emoji-opt {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.1s ease;
}

.emoji-opt:hover {
    background: #f1f5f9;
}

/* Standar Telegram & Twitter Vector Emoji */
img.emoji {
    height: 1.3em !important;
    width: 1.3em !important;
    margin: 0 0.1em !important;
    vertical-align: -0.22em !important;
    display: inline-block !important;
}

.note-attachment {
    margin-top: 8px;
    margin-bottom: 4px;
}

.note-attachment img {
    max-width: 100%;
    max-height: 280px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    cursor: zoom-in;
    transition: opacity 0.15s ease, transform 0.15s ease;
    display: block;
}

.note-attachment img:hover {
    opacity: 0.95;
    transform: scale(1.01);
}

/* STIKER TELEGRAM (CUSTOM & STATIS DENGAN TRANSPARANSI BEBAS BINGKAI) */
.note-sticker-bubble {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 2px !important;
    display: flex;
    flex-direction: column;
}

.note-user.note-sticker-bubble {
    align-items: flex-end;
}

.note-parent.note-sticker-bubble {
    align-items: flex-start;
}

.note-sticker-bubble .note-header {
    display: none !important;
}

.note-sticker-bubble .note-attachment {
    margin: 0 !important;
}

.note-attachment-sticker img {
    max-width: 190px;
    max-height: 190px;
    border: none !important;
    border-radius: 6px;
    background: transparent !important;
    box-shadow: none !important;
    cursor: zoom-in;
    filter: drop-shadow(0 2px 7px rgba(15, 23, 42, 0.12));
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: block;
}

.note-attachment-sticker img:hover {
    transform: scale(1.06);
    opacity: 1;
}

/* Pill label kecil di bawah stiker */
.sticker-info-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 5px;
    padding: 3px 9px;
    border-radius: 14px;
    font-size: 10.5px;
    font-weight: 500;
    color: #475569;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.note-user .sticker-info-pill {
    background: rgba(232, 244, 254, 0.92);
    border-color: #bae6fd;
    color: #0369a1;
}

/* Teks Muted untuk Riwayat Pesan Sistem Lama */
.note-system-notice {
    font-size: 12px;
    font-style: italic;
    color: #64748b;
    display: inline-flex;
    align-items: center;
}

@media (max-width: 640px) {
    .note-attachment-sticker img {
        max-width: 150px;
        max-height: 150px;
    }
}

.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.85);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    display: block;
}

.lightbox-close {
    position: absolute;
    top: -15px;
    right: -15px;
    background: #ffffff;
    color: #0f172a;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* ==========================================================================
   GATE PIN (KUNCI AKSES MODUL)
   ========================================================================== */
.pin-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(237, 244, 251, 0.96);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.pin-modal {
    background: #ffffff;
    border: 1px solid #bae6fd;
    border-radius: 14px;
    width: 100%;
    max-width: 400px;
    padding: 32px 28px;
    box-shadow: 0 15px 35px -5px rgba(2, 132, 199, 0.12), 0 8px 10px -6px rgba(2, 132, 199, 0.04);
    text-align: center;
}

.pin-icon {
    width: 50px;
    height: 50px;
    background: #e0f2fe;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 22px;
    color: #0284c7;
}

.pin-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.pin-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.5;
}

.pin-input-group {
    margin-bottom: 20px;
}

.pin-input {
    width: 180px;
    padding: 12px 16px;
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 8px;
    border: 2px solid #bae6fd;
    border-radius: 8px;
    outline: none;
    font-family: var(--font-mono);
    color: #0369a1;
    transition: all 0.15s ease;
}

.pin-input:focus {
    border-color: #0284c7;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.2);
}

.pin-error {
    color: #ef4444;
    font-size: 13px;
    margin-top: 8px;
    min-height: 20px;
}

.btn-unlock {
    width: 100%;
    padding: 11px;
    background: linear-gradient(135deg, #0284c7, #2563eb);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
    transition: all 0.15s ease;
}

.btn-unlock:hover {
    background: linear-gradient(135deg, #0369a1, #1d4ed8);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}


/* ==========================================================================
   PANIC SCREEN (PENYAMARAN MATERI PELAJARAN BIOLOGI TERPADU)
   ========================================================================== */
.panic-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #ffffff;
    z-index: 2000;
    overflow-y: auto;
    display: none;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #212529;
}

.panic-screen.active {
    display: block;
}

.panic-header {
    background: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: #495057;
}

.panic-body {
    max-width: 820px;
    margin: 30px auto;
    padding: 0 24px 60px;
}

.panic-breadcrumbs {
    font-size: 12px;
    color: #6c757d;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.panic-title {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 14px;
    color: #1a1e21;
    line-height: 1.3;
}

.panic-meta {
    font-size: 13px;
    color: #6c757d;
    border-bottom: 1px solid #e9ecef;
    padding-bottom: 12px;
    margin-bottom: 24px;
}

.panic-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 24px 0 10px;
    color: #2c3034;
}

.panic-content p {
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 14px;
    color: #343a40;
}

.panic-content ul, .panic-content ol {
    padding-left: 24px;
    margin-bottom: 16px;
    font-size: 14.5px;
    line-height: 1.7;
}

.panic-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 13.5px;
}

.panic-table th, .panic-table td {
    border: 1px solid #dee2e6;
    padding: 10px 14px;
    text-align: left;
}

.panic-table th {
    background: #f8f9fa;
    font-weight: 600;
}

.panic-quote {
    background: #f1f3f5;
    border-left: 4px solid #adb5bd;
    padding: 12px 18px;
    margin: 18px 0;
    font-style: italic;
    font-size: 14px;
}

.panic-footer {
    border-top: 1px solid #dee2e6;
    margin-top: 40px;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #6c757d;
}

.panic-secret-btn {
    background: none;
    border: none;
    color: #adb5bd;
    cursor: pointer;
    font-size: 12px;
    text-decoration: underline;
    text-decoration-style: dotted;
}
.panic-secret-btn:hover {
    color: #495057;
}

/* ==========================================================================
   DESKTOP / DEFAULT HELPER CLASSES
   ========================================================================== */
.btn-label-mob {
    display: none;
}
.btn-label-desk {
    display: inline;
}
.doc-prefix {
    display: inline;
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLET & MOBILE)
   ========================================================================== */
@media (max-width: 640px) {
    /* 1. Kontainer & Header */
    .app-container {
        border-left: none;
        border-right: none;
        height: 100dvh; /* Dynamic viewport height untuk mobile browser */
    }

    .app-header {
        height: 52px;
        padding: 0 12px;
    }

    .brand-icon svg {
        width: 18px;
        height: 18px;
    }

    .brand-title {
        font-size: 15px;
    }

    .brand-tag {
        display: none;
    }

    .header-actions {
        gap: 6px;
    }

    .btn-stealth {
        padding: 5px 9px;
        font-size: 12px;
        gap: 4px;
        border-radius: 6px;
    }

    /* 2. Sub-Header Info Dokumen */
    .doc-info-bar {
        padding: 6px 12px;
        font-size: 11px;
    }

    .sync-status {
        gap: 5px;
        font-size: 11px;
    }

    /* 3. Area Catatan & Bubble Pesan */
    .notes-container {
        padding: 14px 10px;
        gap: 12px;
    }

    .note-item {
        max-width: 90%;
        padding: 10px 13px;
        border-radius: 12px;
    }

    .note-user {
        border-radius: 14px 14px 2px 14px;
    }

    .note-parent {
        border-radius: 14px 14px 14px 2px;
    }

    .note-header {
        gap: 10px;
        margin-bottom: 4px;
        font-size: 11px;
    }

    .note-content {
        font-size: 14px;
        line-height: 1.55;
    }

    .note-status-tag {
        font-size: 10px;
        margin-top: 4px;
    }

    .empty-state {
        padding: 40px 16px;
    }

    .ui-empty-icon {
        width: 38px;
        height: 38px;
    }

    .empty-state-title {
        font-size: 15px;
    }

    .empty-state-desc {
        font-size: 12px;
    }

    /* 4. Editor Form / Footer Input */
    .editor-footer {
        padding: 8px 10px;
        padding-bottom: max(10px, env(safe-area-inset-bottom));
        background: #fdfefe;
    }

    .editor-box {
        border-radius: 10px;
    }

    .editor-textarea {
        font-size: 16px; /* Mencegah browser iOS Safari otomatis zoom-in */
        padding: 9px 12px;
        min-height: 42px;
        line-height: 1.4;
    }

    .editor-toolbar {
        padding: 5px 10px;
    }

    .toolbar-tools {
        gap: 3px;
    }

    .btn-tool {
        padding: 6px;
        min-width: 34px;
        min-height: 34px;
    }

    .toolbar-actions {
        gap: 6px;
    }

    /* Sembunyikan hint shortcut keyboard di layar sentuh */
    .shortcut-hint {
        display: none !important;
    }

    .btn-send {
        padding: 7px 14px;
        font-size: 13px;
        white-space: nowrap; /* Mencegah tombol patah jadi 2 baris */
        border-radius: 7px;
    }

    /* 5. Emoji Picker di Layar Mobile */
    .emoji-picker {
        bottom: 44px;
        left: -4px;
        width: 280px;
        max-width: calc(100vw - 32px);
        grid-template-columns: repeat(7, 1fr);
        padding: 8px;
        gap: 4px;
        font-size: 20px;
    }

    /* 6. Modal PIN */
    .pin-modal {
        width: 90%;
        max-width: 340px;
        padding: 22px 18px;
        border-radius: 14px;
    }

    .pin-title {
        font-size: 17px;
    }

    .pin-desc {
        font-size: 12px;
        margin-bottom: 16px;
    }

    .pin-input {
        font-size: 22px;
        letter-spacing: 6px;
        padding: 8px 12px;
    }

    .btn-unlock {
        padding: 11px 16px;
        font-size: 14px;
    }

    /* 7. Layar Darurat (Panic Screen) */
    .panic-header {
        padding: 10px 12px;
        font-size: 11px;
    }

    .panic-body {
        padding: 14px 12px 40px;
        margin: 10px auto;
    }

    .panic-title {
        font-size: 18px;
        line-height: 1.35;
    }

    .panic-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        font-size: 12px;
    }
}

/* Layar Ekstra Kecil (iPhone SE, Galaxy S, dsb < 460px) */
@media (max-width: 460px) {
    .btn-label-desk {
        display: none;
    }
    .btn-label-mob {
        display: inline;
    }
    .doc-prefix {
        display: none;
    }
    .btn-stealth {
        padding: 5px 7px;
    }
    .btn-stealth svg {
        margin-right: 2px;
    }
}