/* -------------------------------------------------------------
 * 1. Global Resets & Theme Variables
 * ------------------------------------------------------------- */
:root {
    --bg-primary: #0a0c16;
    --bg-surface: rgba(18, 24, 38, 0.65);
    --bg-surface-solid: #111827;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(14, 165, 233, 0.15);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --color-primary: #0ea5e9; /* Sky Blue */
    --color-primary-grad: linear-gradient(135deg, #0ea5e9 0%, #0d9488 100%);
    --color-secondary: #0d9488; /* Teal */
    --color-secondary-grad: linear-gradient(135deg, #0d9488 0%, #10b981 100%);
    
    --color-success: #10b981; /* Emerald */
    --color-success-bg: rgba(16, 185, 129, 0.15);
    --color-warning: #f59e0b; /* Amber */
    --color-warning-bg: rgba(245, 158, 11, 0.15);
    --color-danger: #ef4444; /* Red */
    --color-danger-bg: rgba(239, 68, 68, 0.15);
    --color-info: #3b82f6; /* Blue */
    --color-info-bg: rgba(59, 130, 246, 0.15);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Outfit', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

/* -------------------------------------------------------------
 * 2. Background Decorative Circles
 * ------------------------------------------------------------- */
.bg-decor-circle {
    position: fixed;
    border-radius: var(--radius-full);
    filter: blur(100px);
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
    animation: floatAnimation 20s infinite alternate ease-in-out;
}

.circle-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #0ea5e9 0%, #0369a1 100%);
    top: -100px;
    right: -100px;
}

.circle-2 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, #0d9488 0%, #0f766e 100%);
    bottom: -100px;
    left: -100px;
    animation-delay: -10s;
}

@keyframes floatAnimation {
    0% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(30px, -50px) scale(1.1);
    }
    100% {
        transform: translate(-20px, 30px) scale(0.95);
    }
}

/* -------------------------------------------------------------
 * 3. Glassmorphism Utilities
 * ------------------------------------------------------------- */
.glass-panel {
    background: var(--bg-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.glass-panel:hover {
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 30px var(--border-glow);
}

/* -------------------------------------------------------------
 * 4. Auth Section (Login & Register)
 * ------------------------------------------------------------- */
.auth-section {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    width: 100%;
    padding: 20px;
    z-index: 10;
    transition: var(--transition-normal);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.auth-header {
    text-align: center;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 10px;
}

.logo-icon {
    font-size: 2rem;
    background: var(--color-primary-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo h2 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #ffffff, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.auth-tabs {
    display: flex;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
    padding: 4px;
    border: 1px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-secondary);
    padding: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 12px;
    transition: var(--transition-fast);
}

.tab-btn.active {
    background: var(--color-primary-grad);
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

.auth-form {
    display: none;
    flex-direction: column;
    gap: 20px;
}

.auth-form.active {
    display: flex;
    animation: fadeIn var(--transition-normal);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 16px;
    color: var(--text-muted);
    font-size: 1.1rem;
    transition: var(--transition-fast);
}

.input-wrapper input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    outline: none;
    color: var(--text-primary);
    padding: 14px 16px 14px 46px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.input-wrapper input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.25);
    background: rgba(0, 0, 0, 0.3);
}

.input-wrapper input:focus + .input-icon {
    color: var(--color-primary);
}

.submit-btn {
    background: var(--color-primary-grad);
    border: none;
    outline: none;
    color: #ffffff;
    padding: 16px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    transition: var(--transition-fast);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.submit-btn:active {
    transform: translateY(0);
}

/* -------------------------------------------------------------
 * 5. Dashboard Header / Navigation
 * ------------------------------------------------------------- */
.dashboard-section {
    width: 100%;
    max-width: 1000px;
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    gap: 30px;
    z-index: 10;
    transition: var(--transition-normal);
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.avatar {
    width: 48px;
    height: 48px;
    background: var(--color-primary-grad);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
    box-shadow: var(--shadow-md);
}

.user-meta h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.role-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    margin-top: 4px;
}

.role-badge.user {
    background: var(--color-info-bg);
    color: var(--color-info);
}

.role-badge.admin {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    outline: none;
    color: var(--text-primary);
    padding: 10px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.header-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.header-btn.logout {
    color: #ef4444;
}

.header-btn.logout:hover {
    background: var(--color-danger-bg);
    border-color: rgba(239, 68, 68, 0.3);
}

/* -------------------------------------------------------------
 * 6. Dashboard Main Layout (Grid)
 * ------------------------------------------------------------- */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 30px;
    align-items: start;
}

.main-card {
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 30px;
}

.text-center {
    text-align: center;
}

/* Clock Widget */
.clock-widget {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.live-clock {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    background: linear-gradient(to right, #ffffff, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.live-date {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Rules list */
.rules-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 380px;
}

.rule-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: left;
}

.rule-item i {
    font-size: 1.1rem;
}

.rule-item strong {
    color: var(--text-primary);
}

.icon-checkin {
    color: var(--color-primary);
}

.icon-checkout {
    color: var(--color-secondary);
}

/* Circular Punch Button Controls */
.punch-control-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    width: 100%;
    margin-top: 10px;
}

.punch-card-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.punch-btn {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
    border: none;
    outline: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: white;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.punch-btn::before {
    content: '';
    position: absolute;
    inset: 1px;
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.15);
    z-index: 1;
}

.punch-btn > * {
    position: relative;
    z-index: 2;
}

.punch-icon {
    font-size: 2.2rem;
    transition: var(--transition-fast);
}

.punch-text {
    font-size: 0.9rem;
    font-weight: 700;
}

.checkin-btn {
    background: var(--color-primary-grad);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.checkin-btn:hover:not(:disabled) {
    transform: scale(1.08);
    box-shadow: 0 15px 30px rgba(99, 102, 241, 0.45);
}

.checkout-btn {
    background: var(--color-secondary-grad);
    box-shadow: 0 10px 25px rgba(236, 72, 153, 0.3);
}

.checkout-btn:hover:not(:disabled) {
    transform: scale(1.08);
    box-shadow: 0 15px 30px rgba(236, 72, 153, 0.45);
}

/* Pulse Animation Ring */
.punch-btn.active .pulse-ring {
    position: absolute;
    inset: -6px;
    border-radius: var(--radius-full);
    border: 2px solid inherit;
    animation: ripple 1.8s infinite ease-out;
}

.checkin-btn.active .pulse-ring {
    border-color: rgba(99, 102, 241, 0.6);
}

.checkout-btn.active .pulse-ring {
    border-color: rgba(236, 72, 153, 0.6);
}

.punch-btn:disabled {
    background: linear-gradient(135deg, #2b3042 0%, #1c1e29 100%);
    color: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.punch-btn:disabled::before {
    background: rgba(0, 0, 0, 0.4);
}

.punch-btn:disabled .pulse-ring {
    display: none;
}

.status-lbl {
    font-size: 0.8rem;
    font-weight: 500;
    max-width: 140px;
    text-align: center;
}

.status-lbl.success {
    color: var(--color-success);
}

.status-lbl.error {
    color: var(--color-danger);
}

@keyframes ripple {
    0% {
        transform: scale(0.95);
        opacity: 1;
    }
    100% {
        transform: scale(1.18);
        opacity: 0;
    }
}

/* Today's Status Details Card */
.status-card {
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.card-title i {
    color: var(--color-primary);
}

.details-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.15);
    padding: 14px 20px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.detail-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
}

.dot.green { background-color: var(--color-success); }
.dot.orange { background-color: var(--color-warning); }
.dot.blue { background-color: var(--color-info); }

.detail-value {
    font-size: 0.95rem;
    font-weight: 600;
}

/* -------------------------------------------------------------
 * 7. History Record Sections (Tables)
 * ------------------------------------------------------------- */
.history-card {
    padding: 30px;
}

.history-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
    margin-bottom: 20px;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

th, td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: rgba(0, 0, 0, 0.25);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

tbody tr {
    transition: var(--transition-fast);
}

tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

tbody tr:last-child td {
    border-bottom: none;
}

/* Status Badge Styles */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
}

.status-badge.normal {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.status-badge.exception {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.status-badge.pending {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

/* -------------------------------------------------------------
 * 8. Admin Management Backoffice (Overlay/Slide view)
 * ------------------------------------------------------------- */
.admin-section {
    position: fixed;
    inset: 0;
    background: rgba(10, 11, 16, 0.85);
    backdrop-filter: blur(8px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn var(--transition-normal);
}

.admin-container {
    width: 100%;
    max-width: 900px;
    max-height: 85vh;
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    overflow: hidden;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.admin-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-title i {
    font-size: 1.5rem;
}

.admin-title h3 {
    font-size: 1.3rem;
    font-weight: 700;
}

.admin-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.action-btn {
    border: none;
    outline: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.action-btn.export {
    background: var(--color-primary-grad);
    color: white;
    padding: 10px 18px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.action-btn.export:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.45);
}

.action-btn.close {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    justify-content: center;
    border-radius: var(--radius-full);
}

.action-btn.close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ef4444;
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.stat-box {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    padding: 18px 24px;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(to right, #ffffff, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.admin-table-wrapper {
    flex: 1;
    overflow-y: auto;
    border-radius: var(--radius-md);
}

.admin-table th {
    position: sticky;
    top: 0;
    z-index: 2;
    background-color: var(--bg-surface-solid);
}

/* -------------------------------------------------------------
 * 9. Toast Notification Popups
 * ------------------------------------------------------------- */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
    max-width: 320px;
    width: 100%;
}

.toast {
    background: rgba(21, 24, 37, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-left: 4px solid var(--color-primary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 16px 20px;
    border-radius: 8px;
    box-shadow: var(--shadow-xl);
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateX(120%);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s;
    opacity: 0;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-icon {
    font-size: 1.2rem;
}

.toast.success { border-left-color: var(--color-success); }
.toast.success .toast-icon { color: var(--color-success); }

.toast.error { border-left-color: var(--color-danger); }
.toast.error .toast-icon { color: var(--color-danger); }

.toast.warning { border-left-color: var(--color-warning); }
.toast.warning .toast-icon { color: var(--color-warning); }

.toast-message {
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.4;
}

/* -------------------------------------------------------------
 * 10. General Animations & Helper Classes
 * ------------------------------------------------------------- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.hidden {
    display: none !important;
}

.text-muted {
    color: var(--text-secondary) !important;
}

.text-gradient {
    background: var(--color-primary-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.fs-3 { font-size: 1.5rem; }
.mb-2 { margin-bottom: 8px; }
.py-4 { padding-top: 32px; padding-bottom: 32px; }

/* -------------------------------------------------------------
 * 11. Responsive Styles (Mobile Adaptability)
 * ------------------------------------------------------------- */
@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .main-card {
        padding: 30px 20px;
    }

    .live-clock {
        font-size: 2.8rem;
    }

    .punch-control-container {
        gap: 24px;
    }

    .punch-btn {
        width: 105px;
        height: 105px;
    }

    .punch-icon {
        font-size: 1.8rem;
    }

    .auth-card {
        padding: 30px 20px;
    }

    .app-header {
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
        padding: 16px;
    }

    .header-actions {
        justify-content: space-between;
    }

    .admin-stats {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .admin-container {
        max-height: 95vh;
        padding: 20px 16px;
    }

    .admin-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .admin-actions {
        justify-content: space-between;
    }

    .toast-container {
        top: auto;
        bottom: 24px;
        right: 16px;
        left: 16px;
        max-width: calc(100% - 32px);
    }
}

/* -------------------------------------------------------------
 * 12. Debug / Simulation Panel Styles
 * ------------------------------------------------------------- */
.debug-trigger {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-lg);
}

.debug-trigger:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-primary);
    transform: rotate(45deg);
}

.debug-panel {
    position: fixed;
    bottom: 84px;
    right: 24px;
    width: 320px;
    padding: 20px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    animation: fadeIn var(--transition-fast);
}

.debug-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.debug-header h4 {
    font-size: 0.95rem;
    font-weight: 700;
}

.close-debug {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
}

.close-debug:hover {
    color: #ef4444;
}

.debug-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.debug-buttons {
    display: flex;
    gap: 8px;
}

.debug-btn {
    flex: 1;
    border: none;
    outline: none;
    padding: 8px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.debug-btn.set {
    background: var(--color-primary-grad);
    color: white;
}

.debug-btn.clear {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.debug-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 0.7rem;
    align-items: center;
    margin-top: 8px;
    color: var(--text-muted);
}

.debug-presets button {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.7rem;
}

.debug-presets button:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .debug-panel {
        right: 16px;
        left: 16px;
        bottom: 80px;
        width: auto;
    }
    .debug-trigger {
        right: 16px;
        bottom: 16px;
    }
}

/* -------------------------------------------------------------
 * 13. Postgraduate Exam (考研) Countdown Widget
 * ------------------------------------------------------------- */
.countdown-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 20px 16px;
    width: 100%;
}

.countdown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.countdown-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    font-weight: 700;
}

.countdown-title i {
    color: var(--color-primary);
}

.countdown-badge {
    background: var(--color-primary-grad);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: var(--radius-full);
}

.countdown-digits-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 8px 0;
}

.digit-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    width: 62px;
    padding: 10px 0 6px 0;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.digit-num {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    color: white;
    background: var(--color-primary-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
}

.digit-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 4px;
    font-weight: 600;
    flex-shrink: 0;
}

.countdown-divider {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-muted);
    flex-shrink: 0;
}

.right-column {
    display: flex;
    flex-direction: column;
    gap: 30px;
    width: 100%;
    min-width: 0;
}

.countdown-slogan {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
    font-style: italic;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-sm);
    padding: 8px;
    border-left: 3px solid var(--color-primary);
}

/* -------------------------------------------------------------
 * 14. Camera Capture Flow (Modal)
 * ------------------------------------------------------------- */
.camera-modal {
    position: fixed;
    inset: 0;
    background: rgba(10, 12, 22, 0.85);
    backdrop-filter: blur(8px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    animation: fadeIn var(--transition-fast);
}

.camera-container {
    width: 100%;
    max-width: 440px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.camera-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.camera-header h4 {
    font-size: 1.05rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.camera-header h4 i {
    color: var(--color-primary);
}

.camera-viewport-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    background: #000;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

#camera-stream {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#photo-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.camera-overlay {
    position: absolute;
    inset: 0;
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    pointer-events: none;
    margin: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.camera-overlay::after {
    content: "请将面部及学习桌面置于框内";
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    background: rgba(0, 0, 0, 0.6);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    position: absolute;
    bottom: 12px;
}

.camera-fallback-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 40px 20px;
    width: 100%;
    height: 100%;
    transition: var(--transition-fast);
}

.camera-fallback-btn:hover {
    color: var(--color-primary);
    background: rgba(255, 255, 255, 0.02);
}

.camera-fallback-btn i {
    font-size: 3rem;
    color: var(--color-primary);
}

.camera-actions {
    display: flex;
    gap: 12px;
}

.camera-btn {
    flex: 1;
    border: none;
    outline: none;
    padding: 12px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.camera-btn.capture {
    background: var(--color-primary-grad);
    color: white;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.camera-btn.capture:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(14, 165, 233, 0.45);
}

.camera-btn.confirm {
    background: var(--color-secondary-grad);
    color: white;
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}

.camera-btn.confirm:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(13, 148, 136, 0.45);
}

.camera-btn.cancel {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.camera-btn.cancel:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* -------------------------------------------------------------
 * 15. Lightbox Modal (Photo Viewer)
 * ------------------------------------------------------------- */
.lightbox-modal {
    position: fixed;
    inset: 0;
    background: rgba(5, 6, 12, 0.95);
    backdrop-filter: blur(10px);
    z-index: 300;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    animation: fadeIn var(--transition-fast);
}

.lightbox-container {
    position: relative;
    max-width: 500px;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.lightbox-img-wrapper {
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
}

.lightbox-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lightbox-meta {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.9rem;
}

.lightbox-meta h5 {
    font-size: 1.05rem;
    font-weight: 700;
    color: white;
}

.lightbox-meta p {
    color: var(--text-secondary);
}

.lightbox-close {
    position: absolute;
    top: -48px;
    right: 0;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.lightbox-close:hover {
    background: #ef4444;
    border-color: #ef4444;
}

/* History lists table photo triggers */
.photo-thumbnail-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    color: var(--color-primary);
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.15);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.photo-thumbnail-trigger:hover {
    background: rgba(14, 165, 233, 0.25);
    transform: translateY(-1px);
}

.photo-thumbnail-trigger i {
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    .digit-box {
        width: 58px;
        padding: 8px 0 6px 0;
    }
    .digit-num {
        font-size: 1.4rem;
    }
    .countdown-divider {
        font-size: 1.1rem;
    }
}

/* -------------------------------------------------------------
 * 14. History Filter Bar
 * ------------------------------------------------------------- */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    margin-bottom: 20px;
    padding: 12px 18px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.filter-bar .input-group-inline {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-bar .input-group-inline label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.filter-bar input {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    color: white;
    border-radius: var(--radius-sm);
    padding: 7px 12px;
    font-size: 0.85rem;
    outline: none;
    transition: var(--transition-normal);
    min-width: 140px;
}

.filter-bar input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 10px var(--border-glow);
}

/* Date input specific style to make calendar icon readable */
.filter-bar input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
}

.filter-btn-clear {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    padding: 7px 14px;
    font-size: 0.85rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    transition: var(--transition-normal);
}

.filter-btn-clear:hover {
    background: rgba(255, 255, 255, 0.12);
    color: white;
}