/* ============================================
   Dormitory Mini App — Light Clean Theme
   Inspired by Claude.ai / Google
   All colors in :root
   ============================================ */

:root {
    /* ---- Background ---- */
    --bg-primary: #faf8f5;
    --bg-secondary: #ffffff;
    --bg-input: #ffffff;
    --bg-header: rgba(250, 248, 245, 0.92);

    /* ---- Text ---- */
    --text-primary: #1a1a1a;
    --text-secondary: #6b6b6b;
    --text-tertiary: #9a9a9a;
    --text-placeholder: #c0c0c0;

    /* ---- Borders ---- */
    --border-primary: #e0dcd7;
    --border-secondary: #ece8e3;
    --border-focus: #b0a99f;

    /* ---- Accent ---- */
    --accent: #1a1a1a;
    --accent-hover: #333333;
    --accent-bg: #f0ede9;
    --accent-light: #e8e4df;

    /* ---- Roles ---- */
    --role-starosta-bg: #f3eefc;
    --role-starosta-text: #7c5cbf;
    --role-starosta-border: #e0d4f5;

    --role-sovet-bg: #eef3fd;
    --role-sovet-text: #4a7dd8;
    --role-sovet-border: #d4e1f7;

    --role-sanbyt-bg: #eefbf3;
    --role-sanbyt-text: #3da06a;
    --role-sanbyt-border: #c8edda;

    --role-kultmass-bg: #fef4ea;
    --role-kultmass-text: #c07a2e;
    --role-kultmass-border: #f5dfc0;

    --role-programmer-bg: #fdeef0;
    --role-programmer-text: #c44d5a;
    --role-programmer-border: #f5ced3;

    --role-mood-bg: #eaf8fa;
    --role-mood-text: #2a97a8;
    --role-mood-border: #c5e9ef;

    /* ---- Stars ---- */
    --star-empty: #ddd8d3;
    --star-filled: #d4a017;

    /* ---- Success / Error ---- */
    --success: #3da06a;
    --error: #c44d5a;

    /* ---- Toast ---- */
    --toast-success-bg: rgba(61, 160, 106, 0.1);
    --toast-success-border: rgba(61, 160, 106, 0.2);
    --toast-error-bg: rgba(196, 77, 90, 0.1);
    --toast-error-border: rgba(196, 77, 90, 0.2);

    /* ---- Stats ---- */
    --stats-active-bg: var(--accent);
    --stats-active-text: #ffffff;

    /* ---- Shadows ---- */
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.06);

    /* ---- Radius ---- */
    --radius-lg: 16px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --radius-pill: 50px;

    /* ---- Transition ---- */
    --ease: cubic-bezier(.25, .46, .45, .94);
}

/* ---- Dark Theme ---- */
[data-theme="dark"] {
    /* ---- Background ---- */
    --bg-primary: #0e0e10;
    --bg-secondary: #1a1a1e;
    --bg-input: #1a1a1e;
    --bg-header: rgba(14, 14, 16, 0.92);

    /* ---- Text ---- */
    --text-primary: #e8e8ec;
    --text-secondary: #9a9aa0;
    --text-tertiary: #6a6a72;
    --text-placeholder: #4a4a52;

    /* ---- Borders ---- */
    --border-primary: #2a2a30;
    --border-secondary: #222228;
    --border-focus: #4a4a54;

    /* ---- Accent ---- */
    --accent: #e8e8ec;
    --accent-hover: #cccccc;
    --accent-bg: #1e1e24;
    --accent-light: #28282e;

    /* ---- Roles ---- */
    --role-starosta-bg: rgba(124, 92, 191, 0.12);
    --role-starosta-text: #b49adf;
    --role-starosta-border: rgba(124, 92, 191, 0.22);

    --role-sovet-bg: rgba(74, 125, 216, 0.12);
    --role-sovet-text: #8ab4f0;
    --role-sovet-border: rgba(74, 125, 216, 0.22);

    --role-sanbyt-bg: rgba(61, 160, 106, 0.12);
    --role-sanbyt-text: #6dd4a0;
    --role-sanbyt-border: rgba(61, 160, 106, 0.22);

    --role-kultmass-bg: rgba(192, 122, 46, 0.12);
    --role-kultmass-text: #e4a85c;
    --role-kultmass-border: rgba(192, 122, 46, 0.22);

    --role-programmer-bg: rgba(196, 77, 90, 0.12);
    --role-programmer-text: #f08a96;
    --role-programmer-border: rgba(196, 77, 90, 0.22);

    --role-mood-bg: rgba(42, 151, 168, 0.12);
    --role-mood-text: #5cc8d8;
    --role-mood-border: rgba(42, 151, 168, 0.22);

    /* ---- Stars ---- */
    --star-empty: #3a3a40;
    --star-filled: #e4b834;

    /* ---- Success / Error ---- */
    --success: #6dd4a0;
    --error: #f08a96;

    /* ---- Toast ---- */
    --toast-success-bg: rgba(109, 212, 160, 0.1);
    --toast-success-border: rgba(109, 212, 160, 0.2);
    --toast-error-bg: rgba(240, 138, 150, 0.1);
    --toast-error-border: rgba(240, 138, 150, 0.2);

    /* ---- Stats ---- */
    --stats-active-bg: var(--accent);
    --stats-active-text: #0e0e10;

    /* ---- Shadows ---- */
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.3);
}
/* ---- Reset ---- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#app {
    position: relative;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}

/* ============ SCREENS ============ */

.screen {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transform: translateX(20px);
    transition: opacity .3s ease, transform .3s var(--ease);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

.screen.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
}

/* ============ LOADING ============ */

.center-box {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.spinner {
    width: 36px;
    height: 36px;
    border: 2.5px solid var(--border-secondary);
    border-top-color: var(--text-secondary);
    border-radius: 50%;
    animation: spin .8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.sub-text {
    font-size: 14px;
    color: var(--text-tertiary);
    font-weight: 500;
    letter-spacing: 0.2px;
}

/* ============ NOT FOUND ============ */

.nf-circle {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--accent-bg);
    border: 1px solid var(--border-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}

.nf-circle svg {
    stroke: var(--text-secondary);
}

.nf-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
}

/* ============ MENU HEADER ============ */

.menu-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 24px 16px;
    gap: 4px;
}

.avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--accent-bg);
    border: 2px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
    position: relative;
    transition: border-color .3s ease;
}

.avatar span {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.user-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.user-room {
    font-size: 14px;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* ---- Role Badges ---- */

.user-roles {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin-top: 8px;
    padding: 0 20px;
}

.role-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.role-badge.role-starosta {
    background: var(--role-starosta-bg);
    color: var(--role-starosta-text);
    border: 1px solid var(--role-starosta-border);
}
.role-badge.role-sovet {
    background: var(--role-sovet-bg);
    color: var(--role-sovet-text);
    border: 1px solid var(--role-sovet-border);
}
.role-badge.role-sanbyt {
    background: var(--role-sanbyt-bg);
    color: var(--role-sanbyt-text);
    border: 1px solid var(--role-sanbyt-border);
}
.role-badge.role-kultmass {
    background: var(--role-kultmass-bg);
    color: var(--role-kultmass-text);
    border: 1px solid var(--role-kultmass-border);
}
.role-badge.role-programmer {
    background: var(--role-programmer-bg);
    color: var(--role-programmer-text);
    border: 1px solid var(--role-programmer-border);
}
.role-badge.role-mood {
    background: var(--role-mood-bg);
    color: var(--role-mood-text);
    border: 1px solid var(--role-mood-border);
}

/* ---- Grades Preview on main screen ---- */

.grades-preview {
    margin: 8px 20px 0;
    padding: 14px 16px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.grades-preview-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 10px;
}

.grades-preview-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.grade-mini-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-secondary);
    transition: background .2s;
}

.grade-mini-stars {
    display: flex;
    gap: 2px;
}

.grade-mini-date {
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.star {
    font-size: 16px;
    color: var(--star-empty);
    line-height: 1;
}
.star.filled {
    color: var(--star-filled);
}

/* ---- Grade Number ---- */
.grade-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0;
}
.grade-number.grade-low {
    background: var(--role-programmer-bg);
    color: var(--role-programmer-text);
    border: 1px solid var(--role-programmer-border);
}
.grade-number.grade-high {
    background: var(--role-sanbyt-bg);
    color: var(--role-sanbyt-text);
    border: 1px solid var(--role-sanbyt-border);
}

.grade-number-inline {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0;
}
.grade-number-inline.grade-low {
    color: var(--role-programmer-text);
}
.grade-number-inline.grade-high {
    color: var(--role-sanbyt-text);
}

.duties-counter {
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    padding: 12px 0 4px;
}
.duties-counter strong {
    color: var(--text-primary);
}

/* ---- FAQ ---- */
.faq-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.faq-question {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}
.faq-answer {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ---- Shower/Kitchen status badges ---- */
.status-open {
    background: var(--role-sanbyt-bg);
    color: var(--role-sanbyt-text);
    border: 1px solid var(--role-sanbyt-border);
}
.status-closed {
    background: var(--role-programmer-bg);
    color: var(--role-programmer-text);
    border: 1px solid var(--role-programmer-border);
}

/* ---- Schedule Cards (4-hour shifts) ---- */
.schedule-card {
    border-left: 3px solid var(--border-secondary);
}
.schedule-card.schedule-green {
    border-left-color: var(--role-sanbyt-text);
    background: var(--role-sanbyt-bg);
}
.schedule-card.schedule-red {
    border-left-color: var(--role-programmer-text);
    background: var(--role-programmer-bg);
}
.schedule-card.schedule-grey {
    border-left-color: var(--text-tertiary);
    opacity: 0.7;
}
.schedule-card.schedule-dimmed {
    opacity: 0.4;
}

.schedule-status {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    margin-top: 8px;
}
.schedule-status-green {
    background: var(--role-sanbyt-bg);
    color: var(--role-sanbyt-text);
    border: 1px solid var(--role-sanbyt-border);
}
.schedule-status-red {
    background: var(--role-programmer-bg);
    color: var(--role-programmer-text);
    border: 1px solid var(--role-programmer-border);
}
.schedule-status-grey {
    background: var(--accent-bg);
    color: var(--text-tertiary);
    border: 1px solid var(--border-secondary);
}

/* ---- Schedule Legend ---- */
.schedule-legend {
    display: flex;
    gap: 12px;
    padding: 8px 20px;
    flex-wrap: wrap;
}
.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}
.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.legend-green { background: var(--role-sanbyt-text); }
.legend-red { background: var(--role-programmer-text); }
.legend-grey { background: var(--text-tertiary); }

/* ---- Stats Search & Date Range ---- */
.stats-search {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
}
/* ---- Plan Floor Info ---- */
.plan-floor-info {
    display: none;
    padding: 12px 16px;
    background: var(--role-mood-bg);
    color: var(--role-mood-text);
    border: 1px solid var(--role-mood-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    text-align: center;
}

/* ---- Check Room ---- */
.check-room-input-wrap {
    display: flex;
    gap: 10px;
    padding: 8px 20px;
    align-items: center;
}
.check-room-input-wrap .form-input {
    flex: 1;
}
.check-room-input-wrap .action-btn {
    max-width: 120px;
    flex-shrink: 0;
}

/* ---- Kitchen Scheme ---- */
.kitchen-scheme {
    padding: 12px 20px 32px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.kitchen-floor {
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    padding: 12px 16px;
    box-shadow: var(--shadow-card);
}
.kitchen-floor-label {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    text-align: center;
}
.kitchen-floor-rooms {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.kitchen-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 14px 8px;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--border-primary);
    transition: background .2s, border-color .2s;
    user-select: none;
}
.kitchen-cell:active {
    transform: scale(0.97);
}
.kitchen-open {
    background: var(--role-sanbyt-bg);
    border-color: var(--role-sanbyt-border);
}
.kitchen-closed {
    background: var(--role-programmer-bg);
    border-color: var(--role-programmer-border);
}
.kitchen-side-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}
.kitchen-status-text {
    font-size: 13px;
    font-weight: 700;
}
.kitchen-open .kitchen-status-text {
    color: var(--role-sanbyt-text);
}
.kitchen-closed .kitchen-status-text {
    color: var(--role-programmer-text);
}

/* ---- Menu Grid (single column, vertical stack) ---- */

.menu-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px 20px 8px;
}

.menu-btn {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    cursor: pointer;
    transition: transform .15s var(--ease), border-color .2s, background .2s, box-shadow .2s;
    -webkit-user-select: none;
    user-select: none;
    font-family: inherit;
    position: relative;
    overflow: hidden;
    width: 100%;
}

.menu-btn:active {
    transform: scale(0.98);
    border-color: var(--border-focus);
    background: var(--accent-bg);
    box-shadow: var(--shadow-card-hover);
}

.btn-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--accent-bg);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform .15s var(--ease), background .2s;
}

.menu-btn:active .btn-icon {
    transform: scale(0.93);
}

.btn-label {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    line-height: 1.3;
}

/* Remove the ::before overlay from dark theme */
.menu-btn::before {
    display: none;
}

/* ---- Admin / Role Section Buttons (full width) ---- */

.admin-section {
    padding: 8px 20px 12px;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: relative;
}

.admin-section::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 36px;
    right: 36px;
    height: 1px;
    background: var(--border-secondary);
}

.admin-section .menu-btn {
    flex-direction: row;
    width: 100%;
    padding: 16px 20px;
    gap: 14px;
}

.admin-section .btn-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
}

.admin-section .btn-label {
    font-size: 15px;
    text-align: left;
}

/* Color variants for role buttons */
.menu-btn.btn-green .btn-icon {
    background: var(--role-sanbyt-bg);
    color: var(--role-sanbyt-text);
}
.menu-btn.btn-blue .btn-icon {
    background: var(--role-sovet-bg);
    color: var(--role-sovet-text);
}
.menu-btn.btn-orange .btn-icon {
    background: var(--role-kultmass-bg);
    color: var(--role-kultmass-text);
}
.menu-btn.btn-cyan .btn-icon {
    background: var(--role-mood-bg);
    color: var(--role-mood-text);
}
.menu-btn.btn-red .btn-icon {
    background: var(--role-programmer-bg);
    color: var(--role-programmer-text);
}
.menu-btn.btn-yellow .btn-icon {
    background: var(--role-kultmass-bg);
    color: var(--star-filled);
}

/* ============ SCREEN HEADER ============ */

.screen-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    position: sticky;
    top: 0;
    background: var(--bg-header);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 10;
    border-bottom: 1px solid var(--border-secondary);
}

.back-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border-primary);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: transform .15s var(--ease), border-color .15s, background .15s;
    flex-shrink: 0;
    font-family: inherit;
}

.back-btn:active {
    transform: scale(0.9);
    border-color: var(--border-focus);
    background: var(--accent-bg);
}

.screen-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.2px;
}

/* ============ CARD LIST ============ */

.card-list {
    flex: 1;
    padding: 12px 20px 32px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
}

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    box-shadow: var(--shadow-card);
    animation: cardUp .3s var(--ease) both;
}

.card:nth-child(1)  { animation-delay: .02s; }
.card:nth-child(2)  { animation-delay: .04s; }
.card:nth-child(3)  { animation-delay: .06s; }
.card:nth-child(4)  { animation-delay: .08s; }
.card:nth-child(5)  { animation-delay: .10s; }
.card:nth-child(6)  { animation-delay: .12s; }
.card:nth-child(7)  { animation-delay: .14s; }
.card:nth-child(8)  { animation-delay: .16s; }
.card:nth-child(9)  { animation-delay: .18s; }
.card:nth-child(10) { animation-delay: .20s; }

@keyframes cardUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.card-date {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-day {
    font-size: 13px;
    color: var(--text-tertiary);
    font-weight: 500;
    margin-top: 2px;
}

.card-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 700;
    margin-top: 10px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.badge-m {
    background: var(--role-sovet-bg);
    color: var(--role-sovet-text);
    border: 1px solid var(--role-sovet-border);
}
.badge-f {
    background: var(--role-programmer-bg);
    color: var(--role-programmer-text);
    border: 1px solid var(--role-programmer-border);
}

/* ---- Empty State ---- */

.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 60px 24px;
}

.empty-icon-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--accent-bg);
    border: 1px solid var(--border-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
}

.empty-icon-circle svg {
    stroke: var(--text-tertiary);
}

.empty-text {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-tertiary);
}

/* ============ ROULETTE ============ */

.roulette-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    gap: 20px;
}

.wheel-wrapper {
    position: relative;
    width: 280px;
    height: 280px;
}

.wheel-pointer {
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    width: 0;
    height: 0;
    border-left: 14px solid transparent;
    border-right: 14px solid transparent;
    border-top: 26px solid var(--text-primary);
}

#rouletteCanvas {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08), 0 0 0 4px var(--border-secondary);
}

.roulette-result {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    min-height: 28px;
    text-align: center;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity .4s, transform .4s var(--ease);
}

.roulette-result.show {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Action Button ---- */

.action-btn {
    width: 100%;
    max-width: 320px;
    padding: 14px 24px;
    border: 1.5px solid var(--border-primary);
    border-radius: var(--radius-lg);
    background: var(--text-primary);
    color: var(--bg-primary);
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 0.2px;
    transition: transform .15s var(--ease), opacity .15s, box-shadow .15s;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.action-btn::after {
    display: none;
}

.action-btn:active {
    transform: scale(0.98);
    opacity: 0.85;
}

.action-btn:disabled {
    opacity: 0.3;
    cursor: default;
    transform: none;
}

.action-btn.secondary {
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-primary);
    box-shadow: var(--shadow-card);
    color: var(--text-primary);
}

.action-btn.secondary:active {
    background: var(--accent-bg);
    transform: scale(0.98);
}

/* ============ FORMS ============ */

.admin-form {
    padding: 8px 20px 40px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-tertiary);
    padding-left: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input,
.form-select {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border-primary);
    border-radius: var(--radius-md);
    background: var(--bg-input);
    font-family: inherit;
    font-size: 15px;
    color: var(--text-primary);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    -webkit-appearance: none;
    appearance: none;
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239a9a9a' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
    cursor: pointer;
}

.form-select option {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-input:focus,
.form-select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.04);
}

.form-input::placeholder {
    color: var(--text-placeholder);
}

/* ---- Toggle Switches ---- */

.toggle-group {
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.toggle-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 16px;
}

.toggle-item + .toggle-item {
    border-top: 1px solid var(--border-secondary);
}

.toggle-label {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
}

.toggle-switch {
    position: relative;
    width: 50px;
    height: 30px;
    flex-shrink: 0;
    cursor: pointer;
    display: inline-block;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--border-primary);
    border-radius: 15px;
    transition: background .25s var(--ease);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 26px;
    height: 26px;
    background: #ffffff;
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
    transition: transform .25s var(--ease);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--text-primary);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

/* Admin floor input group */
.admin-floor-group {
    display: none;
    padding: 0 16px 8px;
}

.admin-floor-group.visible {
    display: block;
}

/* ---- Form Message ---- */

.form-message {
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    min-height: 20px;
    padding: 4px;
    transition: opacity .3s ease;
}

.form-message.success { color: var(--success); }
.form-message.error   { color: var(--error); }

/* ============ GRADES SCREEN ============ */

.grades-list {
    flex: 1;
    padding: 12px 20px 32px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
}

.grade-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    padding: 14px 18px;
    box-shadow: var(--shadow-card);
    animation: cardUp .3s var(--ease) both;
}

.grade-card:nth-child(1) { animation-delay: .02s; }
.grade-card:nth-child(2) { animation-delay: .04s; }
.grade-card:nth-child(3) { animation-delay: .06s; }
.grade-card:nth-child(4) { animation-delay: .08s; }
.grade-card:nth-child(5) { animation-delay: .10s; }

.grade-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.grade-stars {
    display: flex;
    gap: 3px;
}

.grade-info {
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* ============ STATISTICS ============ */

.stats-quick-actions {
    padding: 10px 20px 4px;
}
.stats-quick-actions .menu-btn {
    margin: 0;
}

.stats-tabs {
    display: flex;
    gap: 6px;
    padding: 8px 20px;
    overflow-x: auto;
}

.stats-tab {
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-primary);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.stats-tab.active {
    background: var(--stats-active-bg);
    color: var(--stats-active-text);
    border-color: var(--stats-active-bg);
}

.stats-tab:active { transform: scale(0.97); }

.stats-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 20px;
}

.stats-filters .form-input,
.stats-filters .form-select {
    min-width: 0;
    padding: 10px 14px;
    font-size: 13px;
}

.stats-search {
    flex: 1 1 100%;
}

.stats-filters .form-select {
    flex: 1 1 45%;
}

.stats-date-range {
    flex: 1 1 100%;
    display: flex;
    gap: 8px;
}
.stats-date-range .form-input {
    flex: 1;
    padding: 10px 14px;
    font-size: 13px;
}

.stats-table {
    padding: 0 20px 32px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stats-row {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    animation: cardUp .3s var(--ease) both;
}

.stats-row:nth-child(1) { animation-delay: .02s; }
.stats-row:nth-child(2) { animation-delay: .04s; }
.stats-row:nth-child(3) { animation-delay: .06s; }
.stats-row:nth-child(4) { animation-delay: .08s; }
.stats-row:nth-child(5) { animation-delay: .10s; }
.stats-row:nth-child(6) { animation-delay: .12s; }
.stats-row:nth-child(7) { animation-delay: .14s; }
.stats-row:nth-child(8) { animation-delay: .16s; }
.stats-row:nth-child(9) { animation-delay: .18s; }
.stats-row:nth-child(10){ animation-delay: .20s; }

.stats-cell {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.stats-cell:first-child {
    font-weight: 700;
    color: var(--text-primary);
    min-width: 28px;
    text-align: center;
}

.stats-cell:nth-child(2) { flex: 1; }

.stats-cell:last-child {
    color: var(--text-primary);
    font-weight: 700;
}

/* ============ TOAST ============ */

.toast {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    padding: 12px 28px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 600;
    z-index: 1000;
    opacity: 0;
    transition: all .3s var(--ease);
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast.toast-success {
    background: var(--toast-success-bg);
    color: var(--success);
    border: 1px solid var(--toast-success-border);
}

.toast.toast-error {
    background: var(--toast-error-bg);
    color: var(--error);
    border: 1px solid var(--toast-error-border);
}

/* ============ ANIMATIONS ============ */

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ---- Scrollbar ---- */
.screen::-webkit-scrollbar,
.card-list::-webkit-scrollbar,
.grades-list::-webkit-scrollbar,
.stats-table::-webkit-scrollbar {
    width: 3px;
}

.screen::-webkit-scrollbar-track,
.card-list::-webkit-scrollbar-track,
.grades-list::-webkit-scrollbar-track,
.stats-table::-webkit-scrollbar-track {
    background: transparent;
}

.screen::-webkit-scrollbar-thumb,
.card-list::-webkit-scrollbar-thumb,
.grades-list::-webkit-scrollbar-thumb,
.stats-table::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
    border-radius: 2px;
}

/* ---- Bottom safe area ---- */
.menu-grid,
.admin-section:last-child {
    padding-bottom: max(8px, env(safe-area-inset-bottom));
}

/* ---- QR Circle on Menu ---- */
.user-qr-circle {
    width: 72px;
    height: 72px;
    border-radius: 14px;
    background: #ffffff;
    border: 2px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-bottom: 8px;
    transition: transform .15s var(--ease), border-color .2s;
    box-shadow: var(--shadow-card);
    overflow: hidden;
}
.user-qr-circle:active {
    transform: scale(0.95);
    border-color: var(--border-focus);
}
.user-qr-circle canvas {
    display: block;
}

/* ---- QR Overlay ---- */
.qr-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.qr-overlay.show {
    opacity: 1;
    pointer-events: auto;
}
.qr-overlay-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
    max-width: 300px;
    width: 90%;
}
.qr-overlay-content canvas {
    display: block;
    border-radius: 8px;
}
.qr-overlay-name {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 8px;
}
.qr-overlay-room {
    font-size: 14px;
    color: var(--text-tertiary);
}
.qr-overlay-id {
    font-size: 12px;
    color: var(--text-tertiary);
    font-family: monospace;
    background: var(--accent-bg);
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    margin-top: 2px;
}

/* ---- Scanner Overlay ---- */
.scanner-overlay {
    position: fixed;
    inset: 0;
    background: #000000;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
}
.scanner-overlay.show {
    opacity: 1;
    pointer-events: auto;
}
.scanner-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: rgba(0, 0, 0, 0.8);
    position: relative;
    z-index: 10;
}
.scanner-header .back-btn {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}
.scanner-header .screen-title {
    color: #ffffff;
}
#scannerContainer {
    flex: 1;
    width: 100%;
}
.scanner-hint {
    text-align: center;
    padding: 16px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 500;
    background: rgba(0, 0, 0, 0.8);
}

/* ---- QR Scan Button ---- */
.qr-scan-btn {
    background: var(--role-sanbyt-bg) !important;
    color: var(--role-sanbyt-text) !important;
    border-color: var(--role-sanbyt-border) !important;
}

/* ---- Section Divider ---- */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-secondary), transparent);
    margin: 4px 20px;
}

/* ============ CHECK PERSON ============ */

.person-header {
    padding: 16px 20px 8px;
    text-align: center;
}
.person-name {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
}
.person-room {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.person-section-click {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0 20px 10px;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    user-select: none;
    transition: background .15s, transform .1s;
}
.person-section-click:active {
    transform: scale(0.98);
    background: var(--accent-bg);
}
.person-section-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.person-count {
    background: var(--accent-bg);
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
}
.person-arrow {
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--text-tertiary);
    border-bottom: 2px solid var(--text-tertiary);
    transform: rotate(-45deg);
    flex-shrink: 0;
}

/* ============ GRADES MAP ============ */

.floor-tabs {
    display: flex;
    gap: 8px;
    padding: 12px 20px 8px;
}
.floor-tab {
    flex: 1;
    padding: 10px 0;
    border: 1.5px solid var(--border-primary);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    transition: all .2s;
}
.floor-tab.active {
    background: var(--role-sovet-bg);
    color: var(--role-sovet-text);
    border-color: var(--role-sovet-border);
}

.grades-map {
    display: flex;
    gap: 12px;
    padding: 8px 16px 32px;
    overflow-y: auto;
    flex: 1;
}
.gm-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.gm-cell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-secondary);
    background: var(--bg-secondary);
}
.gm-room {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}
.gm-avg {
    font-size: 15px;
    font-weight: 700;
}
.gm-empty .gm-avg {
    color: var(--text-tertiary);
}
.gm-low {
    border-color: var(--role-programmer-border);
    background: var(--role-programmer-bg);
}
.gm-low .gm-avg {
    color: var(--role-programmer-text);
}
.gm-mid {
    border-color: var(--role-kultmass-border);
    background: var(--role-kultmass-bg);
}
.gm-mid .gm-avg {
    color: var(--role-kultmass-text);
}
.gm-high {
    border-color: var(--role-sanbyt-border);
    background: var(--role-sanbyt-bg);
}
.gm-high .gm-avg {
    color: var(--role-sanbyt-text);
}

/* ============ EVENTS ============ */

.event-card {
    cursor: pointer;
}
.event-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}
.event-action-btn {
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    border: 1.5px solid var(--border-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all .15s;
    font-family: inherit;
}
.event-action-btn:active {
    transform: scale(0.96);
}
.event-signup {
    background: var(--role-sanbyt-bg);
    color: var(--role-sanbyt-text);
    border-color: var(--role-sanbyt-border);
}
.event-cancel {
    background: var(--role-programmer-bg);
    color: var(--role-programmer-text);
    border-color: var(--role-programmer-border);
}
.event-details {
    background: var(--role-sovet-bg);
    color: var(--role-sovet-text);
    border-color: var(--role-sovet-border);
}

.event-detail-info {
    padding: 0 20px 8px;
}
.event-detail-meta {
    padding: 14px 16px;
    margin: 0 0 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 13px;
    color: var(--text-secondary);
}

.panel-section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 16px 4px;
}

.panel-filter-row {
    padding: 8px 16px;
}

.panel-log-filter {
    width: 100%;
}

.log-list {
    max-height: 400px;
    overflow-y: auto;
}

.log-entry {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-secondary);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-entry-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.log-type-badge {
    font-size: 10px;
    font-weight: 600;
    color: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.log-time {
    font-size: 11px;
    color: var(--text-tertiary);
}

.log-who {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.log-message {
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.4;
    word-break: break-word;
}

.log-details {
    font-size: 11px;
    font-family: 'Courier New', monospace;
    color: var(--text-tertiary);
    margin-top: 4px;
    word-break: break-all;
    background: var(--accent-bg);
    padding: 4px 8px;
    border-radius: 4px;
}