/* ════════════════════════════════════════
   School Information System — Stylesheet
   ════════════════════════════════════════ */

/* ── Variables ── */
:root {
    --ink:            #1a1a2e;
    --paper:          #f5f0e8;
    --accent:         #c84b31;
    --accent2:        #2d6a4f;
    --accent-teacher: #6b3fa0;
    --muted:          #8a8070;
    --card-bg:        #fffdf7;
    --border:         #d4cfc4;
    --shadow:         0 4px 24px rgba(26,26,46,0.10);
    --radius:         14px;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
    font-family: 'DM Sans', sans-serif;
    background: var(--paper);
    color: var(--ink);
    min-height: 100vh;
    min-height: -webkit-fill-available;
    -webkit-font-smoothing: antialiased;
}

/* ── Header ── */
header {
    background: var(--ink);
    color: var(--paper);
    padding: 16px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 100;
}
header h1 { font-family: 'DM Serif Display', serif; font-size: 1.35rem; }
header h1 span { color: var(--accent); font-style: italic; }

/* ── Drive Status ── */
#driveStatus {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: #aaa;
}
#driveStatus .dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: #555;
    transition: background .4s;
    flex-shrink: 0;
}
#driveStatus.connected .dot { background: #4ade80; }
#driveStatus.connected      { color: #4ade80; }
#driveStatus.syncing .dot   { background: #facc15; animation: pulse 1s infinite; }
#driveStatus.syncing        { color: #facc15; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }

/* ── Page ── */
.page { max-width: 1100px; margin: 0 auto; padding: 16px 14px 100px; }

/* ── Auth Banner ── */
#authBanner {
    background: var(--ink);
    color: var(--paper);
    border-radius: var(--radius);
    padding: 24px 18px;
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    text-align: center;
}
#authBanner h2 { font-family: 'DM Serif Display', serif; font-size: 1.25rem; }
#authBanner p  { font-size: .85rem; color: #aaa; }
#authBanner input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 8px;
    border: 1.5px solid #444;
    background: #111;
    color: #fff;
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    -webkit-appearance: none;
}
#authBanner input:focus { outline: none; border-color: var(--accent); }

/* ── Config Bar ── */
#configBar {
    background: var(--card-bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
#configBar label {
    font-size: .75rem; font-weight: 700;
    color: var(--muted); text-transform: uppercase;
    letter-spacing: .05em; width: 100%;
}
#configBar input {
    flex: 1; min-width: 0;
    padding: 10px 12px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    background: var(--paper);
    font-family: 'DM Sans', sans-serif;
    font-size: .9rem;
    -webkit-appearance: none;
}
#configBar input:focus { outline: none; border-color: var(--accent); }
#configBar .btn-row { display: flex; gap: 8px; }

/* ── Mode Selector ── */
#modeSelectorWrap { display: flex; gap: 12px; margin-bottom: 18px; }
.mode-tile {
    flex: 1;
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 12px;
    text-align: center;
    cursor: pointer;
    transition: transform .2s, box-shadow .2s, border-color .2s;
    box-shadow: var(--shadow);
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}
.mode-tile:active                { transform: scale(.97); }
.mode-tile.active-student        { border-color: var(--accent); background: #fff8f5; }
.mode-tile.active-teacher        { border-color: var(--accent-teacher); background: #f8f4ff; }
.mode-tile .mode-icon            { font-size: 2.2rem; margin-bottom: 8px; }
.mode-tile .mode-label           { font-family: 'DM Serif Display', serif; font-size: 1.1rem; margin-bottom: 4px; }
.mode-tile .mode-desc            { font-size: .72rem; color: var(--muted); display: none; }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 18px;
    border: none;
    border-radius: 10px;
    font-family: 'DM Sans', sans-serif;
    font-size: .9rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform .15s, box-shadow .15s, opacity .15s;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;
    min-height: 44px;
}
.btn:active     { transform: scale(.97); opacity: .9; }
.btn-primary    { background: var(--accent); color: #fff; }
.btn-teacher    { background: var(--accent-teacher); color: #fff; }
.btn-secondary  { background: var(--ink); color: #fff; }
.btn-success    { background: var(--accent2); color: #fff; }
.btn-outline    { background: transparent; color: var(--ink); border: 1.5px solid var(--border); }
.btn-sm         { padding: 9px 14px; font-size: .8rem; min-height: 38px; }
.btn-danger     { background: #ef4444; color: #fff; }
.btn-edit       { background: #2563eb; color: #fff; }
.btn:disabled   { opacity: .45; cursor: not-allowed; }

/* ── Section Layout ── */
.main-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ── Form Card ── */
.form-card {
    background: var(--card-bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 16px;
    box-shadow: var(--shadow);
}
.form-toggle-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    font-family: 'DM Serif Display', serif;
    font-size: 1.15rem;
    color: var(--ink);
    -webkit-tap-highlight-color: transparent;
}
.form-toggle-btn .arrow              { font-size: 1rem; transition: transform .3s; color: var(--muted); }
.form-toggle-btn.collapsed .arrow    { transform: rotate(-90deg); }
.form-body                           { margin-top: 16px; }
.form-body.hidden                    { display: none; }
.form-divider                        { border: none; border-top: 1.5px solid var(--border); margin-bottom: 16px; }

/* ── Field Group ── */
.field-group { margin-bottom: 14px; }
.field-group label {
    display: block;
    font-size: .75rem;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: 6px;
}
.field-group input[type="text"],
.field-group input[type="tel"],
.field-group input[type="email"] {
    width: 100%;
    padding: 12px 13px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    background: var(--paper);
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    transition: border-color .2s;
    -webkit-appearance: none;
    appearance: none;
    min-height: 44px;
}
.field-group input:focus,
.field-group select:focus { outline: none; border-color: var(--accent); }
.field-group select {
    width: 100%;
    padding: 12px 13px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    background: var(--paper);
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238a8070' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
    min-height: 44px;
}

/* ── Photo Upload ── */
.photo-upload {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 16px 12px;
    text-align: center;
    background: var(--paper);
}
.photo-upload .icon   { font-size: 2rem; margin-bottom: 6px; }
.photo-upload p       { font-size: .8rem; color: var(--muted); }
.photo-preview {
    width: 90px; height: 90px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--border);
    margin: 0 auto 12px;
    display: none;
    box-shadow: 0 2px 10px rgba(0,0,0,.12);
}
.photo-btn-row { display: flex; gap: 8px; justify-content: center; margin-top: 12px; }
.photo-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 8px;
    border-radius: 10px;
    border: 1.5px solid var(--border);
    background: var(--card-bg);
    font-family: 'DM Sans', sans-serif;
    font-size: .82rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--ink);
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
}
.photo-btn:active         { opacity: .75; }
.photo-btn.camera         { border-color: #2563eb; color: #2563eb; }

/* ── Form Actions ── */
.form-actions         { display: flex; gap: 8px; margin-top: 18px; }
.form-actions .btn    { flex: 1; }

/* ── Panel ── */
.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    flex-wrap: wrap;
    gap: 8px;
}
.panel-header h3     { font-family: 'DM Serif Display', serif; font-size: 1.2rem; }
.count-badge         { background: var(--ink); color: var(--paper); font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 99px; }
.count-badge.teacher-badge { background: var(--accent-teacher); }
.toolbar             { display: flex; gap: 6px; }

/* ── Picker Grid ── */
.picker-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.picker-tile {
    background: var(--card-bg);
    border: 1.5px solid var(--border);
    border-radius: 12px;
    padding: 16px 10px;
    text-align: center;
    cursor: pointer;
    transition: border-color .2s;
    box-shadow: var(--shadow);
    -webkit-tap-highlight-color: transparent;
}
.picker-tile:active        { transform: scale(.97); }
.teacher-tile              { border-color: #d5c8f0; }
.teacher-tile:hover        { border-color: var(--accent-teacher); }
.picker-tile .tile-icon    { font-size: 1.6rem; margin-bottom: 6px; }
.picker-tile .tile-name    { font-family: 'DM Serif Display', serif; font-size: .88rem; margin-bottom: 3px; }
.picker-tile .tile-count   { font-size: .72rem; color: var(--muted); font-weight: 600; }
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 14px;
    font-size: .85rem;
    font-weight: 600;
    color: var(--muted);
    cursor: pointer;
    border: none;
    background: none;
    padding: 6px 0;
    font-family: 'DM Sans', sans-serif;
    min-height: 44px;
}

/* ── Cards Grid ── */
.cards-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.student-card, .teacher-card {
    background: var(--card-bg);
    border: 1.5px solid var(--border);
    border-radius: 12px;
    padding: 16px 12px 12px;
    text-align: center;
    box-shadow: var(--shadow);
    animation: fadeIn .3s ease;
}
@keyframes fadeIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:none} }
.teacher-card                          { border-color: #d5c8f0; }
.student-card img, .teacher-card img   { width: 64px; height: 64px; object-fit: cover; border-radius: 50%; border: 2px solid var(--border); margin-bottom: 8px; }
.teacher-card img                      { border-color: #c9b6e8; }
.s-name, .t-name    { font-family: 'DM Serif Display', serif; font-size: .9rem; margin-bottom: 2px; line-height: 1.2; }
.s-class            { font-size: .68rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 6px; }
.t-designation      { font-size: .68rem; font-weight: 700; color: var(--accent-teacher); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 6px; }
.s-info, .t-info    { font-size: .75rem; color: var(--muted); line-height: 1.6; margin-bottom: 10px; text-align: left; }
.s-info strong, .t-info strong { color: var(--ink); font-weight: 600; }
.card-actions       { display: flex; gap: 6px; }
.card-actions .btn  { flex: 1; padding: 8px 4px; font-size: .75rem; min-height: 38px; }

/* ── Empty State ── */
.empty-state          { text-align: center; padding: 40px 16px; color: var(--muted); grid-column: 1 / -1; }
.empty-state .big-icon { font-size: 2.5rem; margin-bottom: 10px; }
.empty-state p        { font-size: .85rem; }

/* ── Camera Modal ── */
#cameraModal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,.9);
    align-items: flex-end;
    justify-content: center;
}
#cameraModal.open { display: flex; }
.camera-box {
    background: var(--ink);
    border-radius: 20px 20px 0 0;
    padding: 20px 20px 36px;
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}
.camera-box h3      { font-family: 'DM Serif Display', serif; color: var(--paper); font-size: 1.1rem; }
#cameraVideo        { width: 100%; border-radius: 12px; background: #000; max-height: 55vh; object-fit: cover; }
#cameraCanvas       { display: none; }
.camera-actions     { display: flex; gap: 12px; width: 100%; }
.camera-actions .btn { flex: 1; }

/* ── Toast ── */
#toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: var(--ink);
    color: var(--paper);
    padding: 12px 20px;
    border-radius: 24px;
    font-size: .85rem;
    font-weight: 500;
    box-shadow: 0 6px 24px rgba(0,0,0,.25);
    opacity: 0;
    transition: transform .3s, opacity .3s;
    z-index: 9998;
    white-space: nowrap;
    max-width: 90vw;
    text-align: center;
}
#toast.show    { transform: translateX(-50%) translateY(0); opacity: 1; }
#toast.error   { background: #c0392b; }
#toast.success { background: var(--accent2); }

/* ── Desktop Overrides (768px+) ── */
@media (min-width: 768px) {
    header { padding: 22px 36px 18px; }
    header h1 { font-size: 1.75rem; }
    .page { padding: 28px 24px 60px; }
    .mode-tile .mode-desc  { display: block; }
    .mode-tile             { padding: 28px 20px; }
    .mode-tile .mode-icon  { font-size: 2.8rem; }
    .main-grid             { flex-direction: row; align-items: flex-start; }
    .main-grid > .form-card { width: 360px; flex-shrink: 0; position: sticky; top: 72px; }
    .main-grid > div:last-child { flex: 1; min-width: 0; }
    .form-toggle-btn .arrow    { display: none; }
    .form-body.hidden          { display: block !important; }
    .picker-grid   { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
    .cards-grid    { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
    .student-card img, .teacher-card img { width: 76px; height: 76px; }
    #cameraModal   { align-items: center; }
    .camera-box    { border-radius: 16px; padding: 24px; max-width: 500px; }
    #toast         { bottom: 28px; }
}

@media (min-width: 1024px) {
    .main-grid > .form-card { width: 380px; }
}

/* ════════════════════════════════════════
   Additional Modes — Staff & Book List
   ════════════════════════════════════════ */

/* ── Mode tiles — 4-column grid ── */
#modeSelectorWrap {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 18px;
}
.active-staff    { border-color: var(--accent2) !important; background: #f0faf5 !important; }
.active-booklist { border-color: #b45309 !important; background: #fffbf0 !important; }

/* ── Staff card ── */
.staff-card { border-color: #b2dfcc; }

/* ── Book Table ── */
.book-table-wrap {
    overflow-x: auto;
    border-radius: 10px;
    border: 1.5px solid var(--border);
    background: var(--card-bg);
    box-shadow: var(--shadow);
    margin-top: 4px;
}
.book-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .82rem;
}
.book-table thead tr {
    background: var(--ink);
    color: var(--paper);
}
.book-table thead th {
    padding: 10px 10px;
    text-align: left;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    white-space: nowrap;
}
.book-table thead th.num { text-align: right; }
.book-table tbody tr:nth-child(even) { background: var(--paper); }
.book-table tbody tr:nth-child(odd)  { background: var(--card-bg); }
.book-table tbody tr:hover           { background: #fff3ee; }
.book-table td {
    padding: 9px 10px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.book-table td.num        { text-align: right; font-variant-numeric: tabular-nums; }
.book-table td.sell-price { font-weight: 700; color: var(--accent2); }
.book-table td.td-actions { white-space: nowrap; text-align: center; }
.book-table td.td-actions .btn { padding: 5px 8px; font-size: .72rem; min-height: 30px; }
.book-table tfoot tr {
    background: var(--ink);
    color: var(--paper);
}
.book-table tfoot td {
    padding: 10px 10px;
    font-weight: 700;
    font-size: .85rem;
    border: none;
}
.book-table tfoot td.total-label { letter-spacing: .04em; text-transform: uppercase; font-size: .72rem; }
.book-table tfoot td.total-value { text-align: right; font-size: 1rem; color: #4ade80; }

/* ── Book list panel header / tile extras ── */
.tile-total {
    margin-top: 4px;
    font-size: .72rem;
    font-weight: 700;
    color: var(--accent2);
}

/* ── Desktop: 4 tiles in one row ── */
@media (min-width: 768px) {
    #modeSelectorWrap {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ════════════════════════════════════════
   Class Manager Modal
   ════════════════════════════════════════ */
#classManagerModal {
    display: none; position: fixed; inset: 0; z-index: 9999;
    background: rgba(0,0,0,.75); align-items: center; justify-content: center; padding: 16px;
}
#classManagerModal.open { display: flex; }
.cm-box {
    background: var(--card-bg); border-radius: var(--radius);
    width: 100%; max-width: 420px; max-height: 88vh;
    display: flex; flex-direction: column; box-shadow: 0 8px 40px rgba(0,0,0,.4);
    overflow: hidden;
}
.cm-header {
    background: var(--ink); color: var(--paper);
    padding: 16px 18px; display: flex; align-items: center; justify-content: space-between;
    flex-shrink: 0;
}
.cm-header h3 { font-family: 'DM Serif Display', serif; font-size: 1.1rem; }
.cm-close { background: none; border: none; color: var(--paper); font-size: 1.3rem; cursor: pointer; padding: 4px 8px; line-height: 1; }
.cm-body { padding: 16px 18px; overflow-y: auto; flex: 1; }
.cm-add-row { display: flex; gap: 8px; margin-bottom: 16px; }
.cm-add-row input {
    flex: 1; padding: 10px 12px; border: 1.5px solid var(--border); border-radius: 10px;
    background: var(--paper); font-family: 'DM Sans', sans-serif; font-size: .9rem;
    -webkit-appearance: none;
}
.cm-add-row input:focus { outline: none; border-color: var(--accent); }
.cm-add-row .btn { flex-shrink: 0; }
.cm-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.cm-item {
    display: flex; align-items: center; gap: 10px;
    background: var(--paper); border: 1.5px solid var(--border);
    border-radius: 10px; padding: 10px 12px;
}
.cm-icon  { font-size: 1.2rem; flex-shrink: 0; }
.cm-name  { flex: 1; font-weight: 600; font-size: .9rem; }
.cm-actions { display: flex; gap: 4px; flex-shrink: 0; }
.cm-btn {
    background: none; border: 1.5px solid var(--border); border-radius: 6px;
    padding: 4px 7px; font-size: .75rem; cursor: pointer; color: var(--muted);
    line-height: 1; min-width: 28px; text-align: center;
}
.cm-btn:hover { border-color: var(--ink); color: var(--ink); }
.cm-btn.cm-del { border-color: #fca5a5; color: #ef4444; }
.cm-btn.cm-del:hover { background: #ef4444; color: #fff; }
.cm-btn-placeholder { display: inline-block; width: 28px; }
.cm-hint { font-size: .75rem; color: var(--muted); margin-top: 12px; text-align: center; }

/* Manage Classes button */
.manage-classes-btn {
    display: inline-flex; align-items: center; gap: 5px;
    font-size: .75rem; font-weight: 600; color: var(--muted);
    background: none; border: 1.5px dashed var(--border); border-radius: 8px;
    padding: 6px 12px; cursor: pointer; margin-bottom: 12px;
    -webkit-tap-highlight-color: transparent;
}
.manage-classes-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Role-based visibility */
.admin-only { /* shown/hidden by applyRoleUI() */ }

/* ── Contact links ── */
.contact-wrap       { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 2px; }
.contact-link       { display: inline-flex; align-items: center; gap: 4px;
                      font-size: .78rem; font-weight: 600; text-decoration: none;
                      padding: 3px 9px; border-radius: 20px; white-space: nowrap;
                      transition: opacity .15s; }
.contact-link:hover { opacity: .8; }
.contact-link       { background: #e8f4fd; color: #1a6fa8; border: 1px solid #b3d7f0; }
.wa-link            { background: #e8f8ef; color: #1a7a3c; border: 1px solid #a8dfc0; }

/* ════════════════════════════════════════
   Results Module
   ════════════════════════════════════════ */

/* Mode tile */
.active-results { border-color: #0e7490 !important; background: #f0fbff !important; }

/* ── Result cards ── */
.r-card {
    background: var(--card-bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: 14px;
}
.r-card-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 13px 16px; cursor: pointer; font-weight: 700; font-size: .9rem;
    background: var(--ink); color: var(--paper);
    user-select: none; -webkit-tap-highlight-color: transparent;
}
.r-card-header .arrow { font-size: .85rem; transition: transform .2s; }
.r-card-body { padding: 14px 16px; }

/* ── Subject table inline inputs ── */
.r-inline-input {
    width: 100%; border: 1.5px solid transparent; border-radius: 6px;
    padding: 5px 7px; font-family: 'DM Sans', sans-serif; font-size: .85rem;
    background: transparent; color: var(--ink); transition: border-color .15s;
}
.r-inline-input:focus { outline: none; border-color: var(--accent); background: var(--paper); }
.r-num-input { width: 80px; text-align: right; }

/* ── Add row ── */
.r-add-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.r-add-row input {
    flex: 1; min-width: 100px; padding: 9px 11px;
    border: 1.5px solid var(--border); border-radius: 8px;
    background: var(--paper); font-family: 'DM Sans', sans-serif; font-size: .88rem;
    -webkit-appearance: none;
}
.r-add-row input:focus { outline: none; border-color: var(--accent); }

/* ── Student card result variant ── */
.r-student-card { cursor: default; }
.r-student-card img { cursor: default; }

/* ── Student result header ── */
.r-student-header {
    display: flex; align-items: center; gap: 14px;
    background: var(--card-bg); border: 1.5px solid var(--border);
    border-radius: var(--radius); padding: 14px 16px;
    margin-bottom: 14px; flex-wrap: wrap;
    box-shadow: var(--shadow);
}
.r-student-avatar {
    width: 56px; height: 56px; border-radius: 50%;
    object-fit: cover; border: 2px solid var(--border); flex-shrink: 0;
}

/* ── Term tabs ── */
.r-term-tabs {
    display: flex; gap: 0; border-radius: var(--radius) var(--radius) 0 0;
    overflow: hidden; border: 1.5px solid var(--border); border-bottom: none;
}
.r-tab {
    flex: 1; padding: 11px 6px; font-family: 'DM Sans', sans-serif;
    font-size: .82rem; font-weight: 600; cursor: pointer;
    border: none; background: var(--paper); color: var(--muted);
    transition: background .15s, color .15s;
    -webkit-tap-highlight-color: transparent;
    border-right: 1.5px solid var(--border);
}
.r-tab:last-child { border-right: none; }
.r-tab.active { background: var(--ink); color: var(--paper); }
.r-tab:hover:not(.active) { background: #ece8e0; color: var(--ink); }

/* ── Marks input ── */
.r-marks-input {
    width: 70px; text-align: right; padding: 5px 7px;
    border: 1.5px solid var(--border); border-radius: 6px;
    font-family: 'DM Sans', sans-serif; font-size: .85rem;
    background: var(--paper); color: var(--ink);
    -webkit-appearance: none; appearance: none;
    transition: border-color .15s;
}
.r-marks-input:focus { outline: none; border-color: var(--accent); }

/* ── Grade chips ── */
.r-grade-chip {
    display: inline-block; padding: 2px 8px; border-radius: 99px;
    font-size: .72rem; font-weight: 700; letter-spacing: .04em;
}
.r-grade-Ap  { background: #d1fae5; color: #065f46; }
.r-grade-A   { background: #dcfce7; color: #166534; }
.r-grade-Am  { background: #ecfdf5; color: #15803d; }
.r-grade-Bp  { background: #dbeafe; color: #1e40af; }
.r-grade-B   { background: #eff6ff; color: #1d4ed8; }
.r-grade-Bm  { background: #f0f9ff; color: #0369a1; }
.r-grade-Cp  { background: #fef9c3; color: #854d0e; }
.r-grade-C   { background: #fefce8; color: #a16207; }
.r-grade-D   { background: #ffedd5; color: #c2410c; }
.r-grade-F   { background: #fee2e2; color: #b91c1c; }
.r-grade-x   { background: #f3f4f6; color: #6b7280; }

/* ── Term summary chips ── */
.r-term-summary-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.r-summary-chip {
    flex: 1; min-width: 80px;
    background: var(--paper); border: 1.5px solid var(--border);
    border-radius: 10px; padding: 8px 12px; text-align: center;
}
.r-summary-chip span  { display: block; font-size: .68rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 4px; }
.r-summary-chip strong { font-size: 1rem; font-family: 'DM Serif Display', serif; }

/* ── Attendance ── */
.r-attend-input {
    width: 100%; padding: 10px 12px;
    border: 1.5px solid var(--border); border-radius: 10px;
    background: var(--paper); font-family: 'DM Sans', sans-serif; font-size: .95rem;
    -webkit-appearance: none;
}
.r-attend-input:focus { outline: none; border-color: var(--accent); }
.r-attend-pct {
    padding: 10px 12px; background: var(--paper); border: 1.5px solid var(--border);
    border-radius: 10px; font-weight: 700; font-size: .95rem; color: var(--accent2);
    min-height: 44px; display: flex; align-items: center;
}
.r-remarks {
    width: 100%; padding: 10px 12px;
    border: 1.5px solid var(--border); border-radius: 10px;
    background: var(--paper); font-family: 'DM Sans', sans-serif; font-size: .88rem;
    resize: vertical; line-height: 1.5;
    -webkit-appearance: none;
}
.r-remarks:focus { outline: none; border-color: var(--accent); }

/* ════════════════════════════════════════
   Report Card Preview
   ════════════════════════════════════════ */
.report-card {
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    max-width: 720px;
    margin: 0 auto;
}

/* Header */
.rc-header {
    display: flex; align-items: center; gap: 16px; margin-bottom: 12px;
}
.rc-logo {
    width: 70px; height: 70px; object-fit: contain; flex-shrink: 0;
    border-radius: 10px; background: #fff; padding: 2px;
}
.rc-school-info { flex: 1; }
.rc-school-name {
    font-family: 'DM Serif Display', serif; font-size: 1.3rem;
    color: var(--ink); font-weight: 700; margin-bottom: 2px;
}
.rc-school-sub { font-size: .72rem; color: var(--muted); margin-bottom: 4px; }
.rc-report-title {
    display: inline-block; background: var(--accent); color: #fff;
    font-size: .7rem; font-weight: 700; letter-spacing: .08em;
    padding: 3px 10px; border-radius: 99px; text-transform: uppercase;
}

.rc-divider { border: none; border-top: 1.5px solid var(--border); margin: 14px 0; }

/* Student info row */
.rc-student-row { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 4px; }
.rc-student-photo {
    width: 70px; height: 70px; object-fit: cover;
    border-radius: 8px; border: 2px solid var(--border); flex-shrink: 0;
}
.rc-no-photo {
    width: 70px; height: 70px; border-radius: 8px; border: 2px dashed var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem; flex-shrink: 0; background: var(--paper);
}
.rc-info-table { font-size: .82rem; border-collapse: collapse; width: 100%; }
.rc-info-table td { padding: 3px 6px; }
.rc-info-table td:first-child { color: var(--muted); width: 110px; white-space: nowrap; }

/* Section title */
.rc-section-title {
    font-weight: 700; font-size: .8rem; text-transform: uppercase;
    letter-spacing: .05em; margin-bottom: 8px; color: var(--ink);
}

.rc-table-wrap { margin-bottom: 0; }

/* Final result row */
.rc-final-row {
    display: flex; gap: 10px; flex-wrap: wrap;
    background: var(--ink); border-radius: 10px;
    padding: 12px 16px; margin-top: 14px;
}
.rc-final-chip {
    flex: 1; min-width: 80px; text-align: center;
}
.rc-final-chip span  { display: block; font-size: .65rem; color: #aaa; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 4px; }
.rc-final-chip strong { font-size: 1.1rem; font-family: 'DM Serif Display', serif; color: #fff; }

/* Two-col */
.rc-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Remarks */
.rc-remarks-box {
    background: var(--paper); border: 1.5px solid var(--border);
    border-radius: 8px; padding: 10px 12px; font-size: .82rem;
    line-height: 1.6; min-height: 56px; color: var(--ink);
}

/* Signature */
.rc-sig-row { display: flex; justify-content: space-between; gap: 20px; padding-top: 4px; }
.rc-sig { flex: 1; max-width: 180px; text-align: center; }
.rc-sig-line { border-bottom: 1.5px solid var(--ink); margin-bottom: 6px; height: 36px; }
.rc-sig-label { font-size: .75rem; color: var(--muted); font-weight: 600; }

/* Desktop */
@media (min-width: 768px) {
    #modeSelectorWrap { grid-template-columns: repeat(5, 1fr); }
    .r-term-tabs .r-tab { font-size: .88rem; }
    .rc-two-col { gap: 24px; }
}

@media (max-width: 480px) {
    .rc-two-col { grid-template-columns: 1fr; }
    .r-summary-chip strong { font-size: .88rem; }
}

/* ── Result class tile delete button ── */
.r-del-result-btn {
    display: block; width: 100%; margin-top: 8px;
    padding: 5px 8px; border-radius: 8px; border: 1.5px solid #fca5a5;
    background: none; color: #ef4444; font-family: 'DM Sans', sans-serif;
    font-size: .7rem; font-weight: 600; cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: background .15s, color .15s;
}
.r-del-result-btn:hover { background: #ef4444; color: #fff; border-color: #ef4444; }

/* ════════════════════════════════════════
   Setup Screen (first-time admin PIN)
   ════════════════════════════════════════ */
#setupScreen {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 0 24px;
}
.setup-card {
    background: var(--ink);
    color: var(--paper);
    border-radius: var(--radius);
    padding: 28px 22px;
    max-width: 400px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}
.setup-logo-wrap { margin-bottom: 4px; }
.setup-logo {
    width: 80px; height: 80px; border-radius: 12px;
    object-fit: contain; background: #fff; padding: 2px;
}
.setup-title {
    font-family: 'DM Serif Display', serif;
    font-size: 1.35rem; text-align: center; line-height: 1.3;
}
.setup-sub {
    font-size: .82rem; color: #aaa; text-align: center;
    background: rgba(200,75,49,.25); border: 1px solid rgba(200,75,49,.4);
    border-radius: 8px; padding: 6px 12px; width: 100%;
}
.setup-steps { width: 100%; display: flex; flex-direction: column; gap: 10px; }
.setup-step {
    display: flex; gap: 10px; align-items: flex-start;
    background: rgba(255,255,255,.06); border-radius: 8px; padding: 10px 12px;
    font-size: .82rem; color: #ccc; line-height: 1.5;
}
.setup-step-num {
    background: var(--accent); color: #fff; border-radius: 50%;
    width: 22px; height: 22px; display: flex; align-items: center; justify-content: center;
    font-size: .75rem; font-weight: 700; flex-shrink: 0; margin-top: 1px;
}
.setup-card .field-group label { color: #aaa; }
.setup-card input {
    width: 100%; padding: 12px 14px; border-radius: 10px;
    border: 1.5px solid #444; background: #111; color: #fff;
    font-family: 'DM Sans', sans-serif; font-size: 1rem;
    -webkit-appearance: none;
}
.setup-card input:focus { outline: none; border-color: var(--accent); }

/* ════════════════════════════════════════
   ID Card Section — 3-tile top nav → sub-tabs
   ════════════════════════════════════════ */
/* Top-level: 3 tiles */
#modeSelectorWrap { grid-template-columns: repeat(3, 1fr) !important; }
@media (min-width: 768px) {
    #modeSelectorWrap { grid-template-columns: repeat(3, 1fr) !important; }
}

.active-idcard { border-color: var(--accent) !important; background: #fff8f5 !important; }

/* Sub-navigation bar inside ID section */
.id-sub-nav {
    display: flex;
    gap: 8px;
    margin-bottom: 18px;
    background: var(--card-bg);
    border: 1.5px solid var(--border);
    border-radius: 12px;
    padding: 8px;
    flex-wrap: wrap;
}
.id-sub-tile {
    flex: 1; min-width: 90px;
    display: flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 8px; border-radius: 8px; border: none;
    background: transparent; color: var(--muted);
    font-family: 'DM Sans', sans-serif; font-size: .85rem; font-weight: 600;
    cursor: pointer; transition: background .15s, color .15s;
    -webkit-tap-highlight-color: transparent;
    min-height: 44px;
}
.id-sub-tile:hover:not(.active) { background: var(--paper); color: var(--ink); }
.id-sub-tile.active { background: var(--ink); color: var(--paper); border-radius: 8px; }
.id-sub-icon { font-size: 1rem; }

/* ════════════════════════════════════════
   PIN Management Modal (class-based)
   ════════════════════════════════════════ */
.pin-modal {
    display: none; position: fixed; inset: 0; z-index: 9999;
    background: rgba(0,0,0,.75); align-items: center;
    justify-content: center; padding: 16px; overflow-y: auto;
}
.pin-modal.open { display: flex; }