/* ==========================================================================
   GOSCHOOL DESIGN SYSTEM & STYLESHEET (VANILLA CSS)
   ========================================================================== */

/* Variables & Themes */
:root {
    /* Fonts */
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Light Mode Colors (Clean, Corporate, Warm Accent) */
    --bg-primary: #f6f8fb;
    --bg-secondary: #ffffff;
    --bg-sidebar: #0f172a; /* Sleek dark sidebar even in light mode */
    --bg-card-hover: #fafbfc;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --accent-color: #4f46e5;      /* Indigo */
    --accent-glow: rgba(79, 70, 229, 0.15);
    --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #3b82f6 100%);
    
    --border-color: #e2e8f0;
    --border-focus: #818cf8;
    
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.06), 0 2px 8px -1px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 10px 30px -3px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.03);
    
    /* Sidebar specific */
    --sidebar-text: #94a3b8;
    --sidebar-active-bg: rgba(255, 255, 255, 0.08);
    --sidebar-active-text: #ffffff;
    --sidebar-border: rgba(255, 255, 255, 0.05);
    
    /* Utilities */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --info: #06b6d4;
    --info-bg: rgba(6, 182, 212, 0.1);
    
    --border-radius-sm: 8px;
    --border-radius-md: 14px;
    --border-radius-lg: 20px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    /* Dark Mode Colors (Glassmorphic, Deep Indigo-Gray) */
    --bg-primary: #090d16;
    --bg-secondary: #111827;
    --bg-sidebar: #0b0f19;
    --bg-card-hover: #172033;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-color: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.25);
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #60a5fa 100%);
    
    --border-color: rgba(255, 255, 255, 0.07);
    --border-focus: #818cf8;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 4px 10px -5px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    
    --sidebar-text: #64748b;
    --sidebar-active-bg: rgba(99, 102, 241, 0.15);
    --sidebar-active-text: #f8fafc;
    --sidebar-border: rgba(255, 255, 255, 0.03);
}

/* Reset & Global styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    height: 100vh;
    scroll-behavior: smooth;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* App Container Layout */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ==========================================================================
   SIDEBAR STYLES
   ========================================================================== */
.sidebar {
    width: 270px;
    background-color: var(--bg-sidebar);
    color: #ffffff;
    display: flex;
    flex-direction: column;
    height: 100%;
    flex-shrink: 0;
    border-right: 1px solid var(--sidebar-border);
    z-index: 10;
    transition: var(--transition-smooth);
}

.sidebar-brand {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--sidebar-border);
}

.brand-icon {
    font-size: 28px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-name {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.sidebar-menu {
    flex-grow: 1;
    padding: 20px 14px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.menu-label {
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin: 16px 0 6px 12px;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 11px 16px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
}

.menu-item i {
    font-size: 18px;
    transition: var(--transition-smooth);
}

.menu-item:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.04);
    transform: translateX(4px);
}

.menu-item.active {
    color: var(--sidebar-active-text);
    background-color: var(--sidebar-active-bg);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.menu-item.active i {
    color: var(--accent-color);
    transform: scale(1.1);
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--sidebar-border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar-placeholder {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 13px;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: #ffffff;
}

.user-role {
    font-size: 11px;
    color: var(--text-muted);
}

/* ==========================================================================
   MAIN CONTENT & HEADER STYLES
   ========================================================================== */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.header {
    background-color: var(--bg-secondary);
    padding: 20px 32px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    z-index: 5;
    transition: var(--transition-smooth);
}

.header-left h1 {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.header-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.datetime-widget {
    background-color: var(--bg-primary);
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--border-color);
}

.content-body {
    flex-grow: 1;
    padding: 32px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* SPA views showing/hiding */
.content-view {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.content-view.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   BUTTONS & ACTIONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: var(--accent-gradient);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-secondary {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
}

.btn-danger {
    background-color: var(--danger-bg);
    color: var(--danger);
}

.btn-danger:hover {
    background-color: var(--danger);
    color: white;
}

.btn-icon-only {
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: 50%;
}

.btn-action {
    width: 32px;
    height: 32px;
    border-radius: var(--border-radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    cursor: pointer;
    border: none;
    transition: var(--transition-smooth);
    background: transparent;
}

.btn-action-edit {
    color: var(--accent-color);
    background-color: var(--accent-glow);
}
.btn-action-edit:hover {
    background-color: var(--accent-color);
    color: white;
}

.btn-action-delete {
    color: var(--danger);
    background-color: var(--danger-bg);
}
.btn-action-delete:hover {
    background-color: var(--danger);
    color: white;
}

.view-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.search-box {
    position: relative;
    width: 320px;
}

.search-box i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 16px;
}

.search-input {
    width: 100%;
    padding: 10px 14px 10px 42px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 14px;
    transition: var(--transition-smooth);
}

.search-input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ==========================================================================
   CARDS & DASHBOARD METRICS
   ========================================================================== */
.card {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    padding: 24px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.card-title {
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}

.card-link {
    font-size: 13px;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.card-link:hover {
    text-decoration: underline;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 12px;
}

.stat-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 24px;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card::after {
    content: '';
    position: absolute;
    width: 120px;
    height: 120px;
    background: var(--accent-glow);
    border-radius: 50%;
    right: -30px;
    top: -30px;
    z-index: 1;
    filter: blur(10px);
}

.stat-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
    z-index: 2;
}

.stat-students .stat-icon-wrapper { background-color: var(--info-bg); color: var(--info); }
.stat-teachers .stat-icon-wrapper { background-color: var(--success-bg); color: var(--success); }
.stat-courses .stat-icon-wrapper { background-color: var(--accent-glow); color: var(--accent-color); }
.stat-classes .stat-icon-wrapper { background-color: var(--warning-bg); color: var(--warning); }

.stat-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    z-index: 2;
}

.stat-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 4px;
    z-index: 2;
}

.dashboard-row {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 24px;
}

/* Finance Metrics Grid Detailed */
.finance-metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.finance-stat-card {
    display: flex;
    align-items: center;
    gap: 20px;
}

.finance-stat-card .stat-icon-wrapper {
    margin-bottom: 0;
    font-size: 24px;
}

.finance-stat-card .stat-icon-wrapper.income { background-color: var(--success-bg); color: var(--success); }
.finance-stat-card .stat-icon-wrapper.expense { background-color: var(--danger-bg); color: var(--danger); }
.finance-stat-card .stat-icon-wrapper.net { background-color: var(--accent-glow); color: var(--accent-color); }

.finance-stat-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.finance-stat-value {
    font-size: 22px;
    font-weight: 700;
}

/* ==========================================================================
   FINANCE STYLES & METRICS
   ========================================================================== */
.finance-metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
}

.finance-metric-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.finance-metric-val {
    font-size: 16px;
    font-weight: 700;
}

.finance-metric.highlight {
    background-color: var(--bg-primary);
    padding: 16px 12px;
    border-radius: var(--border-radius-sm);
    margin-top: 12px;
}

.finance-metric.highlight .finance-metric-val {
    font-size: 20px;
}

.income { color: var(--success); }
.expense { color: var(--danger); }

.divider {
    border: 0;
    height: 1px;
    background-color: var(--border-color);
    margin: 8px 0;
}

.list-group {
    list-style: none;
    display: flex;
    flex-direction: column;
}

.list-group-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.list-group-item:last-child {
    border-bottom: none;
}

.list-group-item:hover {
    background-color: var(--bg-card-hover);
}

.list-item-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.list-item-title {
    font-size: 13px;
    font-weight: 600;
}

.list-item-subtitle {
    font-size: 11px;
    color: var(--text-secondary);
}

.list-item-val {
    font-size: 14px;
    font-weight: 700;
}

.list-group-placeholder {
    padding: 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

/* ==========================================================================
   DATA TABLES
   ========================================================================== */
.overflow-x {
    overflow-x: auto;
}

.p-0 {
    padding: 0 !important;
}

.mt-4 { margin-top: 24px; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

.data-table th {
    background-color: var(--bg-primary);
    padding: 16px 24px;
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: var(--transition-smooth);
}

.data-table tbody tr:hover {
    background-color: var(--bg-card-hover);
}

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

.table-placeholder {
    text-align: center;
    color: var(--text-muted);
    padding: 40px !important;
    font-size: 14px;
}

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

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

/* Status badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-active { background-color: var(--success-bg); color: var(--success); }
.badge-completed { background-color: var(--info-bg); color: var(--info); }
.badge-cancelled { background-color: var(--danger-bg); color: var(--danger); }
.badge-scheduled { background-color: var(--warning-bg); color: var(--warning); }
.badge-present { background-color: var(--success-bg); color: var(--success); }
.badge-absent { background-color: var(--danger-bg); color: var(--danger); }
.badge-late { background-color: var(--warning-bg); color: var(--warning); }
.badge-category { background-color: var(--accent-glow); color: var(--accent-color); }

/* ==========================================================================
   BILINGUAL (ZH/EN) DISPLAY STYLES
   ========================================================================== */
.bilingual-cell { display: flex; flex-direction: column; gap: 2px; }
.bilingual-cell .lang-en { font-weight: 600; line-height: 1.3; }
.bilingual-cell .lang-zh { display: none; font-size: 0.78rem; color: var(--text-muted); line-height: 1.3; font-weight: 400; }
.bilingual-cell.zh-active .lang-en { display: none; }
.bilingual-cell.zh-active .lang-zh { display: block; font-size: 0.9rem; color: var(--text-primary); font-weight: 600; }

/* Language toggle button */
.lang-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 20px;
    border: 1.5px solid var(--accent-color);
    background: transparent;
    color: var(--accent-color);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.18s, color 0.18s;
    letter-spacing: 0.05em;
}
.lang-toggle-btn:hover, .lang-toggle-btn.active {
    background: var(--accent-color);
    color: #fff;
}
.lang-toggle-btn .toggle-label { pointer-events: none; }

/* Side-by-side form fields for ZH/EN pairs */
.form-bilingual-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
@media (max-width: 640px) { .form-bilingual-row { grid-template-columns: 1fr; } }

.modal-body.lang-en .form-bilingual-row { grid-template-columns: 1fr; }
.modal-body.lang-en .form-bilingual-row .form-group:last-child { display: none; }

.form-lang-toggle { display: flex; gap: 4px; margin-right: 8px; }
.lang-pill { padding: 3px 12px; border-radius: 20px; border: 1px solid var(--border-color); background: transparent; color: var(--text-muted); font-size: 0.75rem; cursor: pointer; font-weight: 600; transition: all 0.15s; }
.lang-pill.active { background: var(--accent-primary); color: #fff; border-color: var(--accent-primary); }


/* ==========================================================================
   MODAL DIALOG STYLES
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(8px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-card {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    width: 100%;
    max-width: 580px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-overlay.active .modal-card {
    transform: scale(1);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition-smooth);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.btn-close:hover {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

.modal-form {
    display: none;
    flex-direction: column;
    gap: 16px;
}

.modal-form.active {
    display: flex;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.required {
    color: var(--danger);
}

.form-control {
    font-family: var(--font-primary);
    font-size: 14px;
    padding: 10px 14px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    background-color: var(--bg-secondary);
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

select.form-control {
    cursor: pointer;
}

textarea.form-control {
    resize: vertical;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}

.toast {
    background-color: var(--bg-secondary);
    border-left: 4px solid var(--accent-color);
    border-radius: var(--border-radius-sm);
    padding: 16px 20px;
    box-shadow: var(--shadow-md);
    min-width: 280px;
    max-width: 400px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
    transform: translateX(120%);
    animation: slideIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    transition: var(--transition-smooth);
}

.toast.toast-success { border-left-color: var(--success); }
.toast.toast-error { border-left-color: var(--danger); }
.toast.toast-info { border-left-color: var(--info); }
.toast.toast-warning { border-left-color: var(--warning); }

.toast.removing {
    animation: slideOut 0.3s ease forwards;
}

@keyframes slideIn {
    to { transform: translateX(0); }
}

@keyframes slideOut {
    to { transform: translateX(120%); opacity: 0; }
}

/* ==========================================================================
   SALES ORDERS & PARENT CREDITS CUSTOM STYLES
   ========================================================================== */
.modal-lg {
    max-width: 800px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.small-table th, .small-table td {
    padding: 10px 14px;
}

.small-text {
    font-size: 12px;
}

.font-semibold {
    font-weight: 600;
}

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

.bg-light {
    background-color: var(--bg-primary);
}

.border-radius {
    border-radius: var(--border-radius-sm);
}

.border-top {
    border-top: 1px solid var(--border-color);
}

.border-bottom {
    border-bottom: 1px solid var(--border-color);
}

.pb-2 { padding-bottom: 8px; }
.pt-3 { padding-top: 12px; }
.mb-2 { margin-bottom: 8px; }
.mt-1 { margin-top: 4px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 24px; }
.p-2 { padding: 8px; }

/* Status Badges for Orders */
.status-paid {
    background-color: var(--success-bg);
    color: var(--success);
}

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

.status-refunded {
    background-color: var(--info-bg);
    color: var(--info);
}

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

/* Order Details Grid */
.order-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    background-color: var(--bg-primary);
    padding: 20px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

.label-muted {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-secondary);
    font-weight: 700;
    margin-bottom: 4px;
}

.value-highlight {
    font-size: 16px;
    font-weight: 700;
}

/* Parent Credit Chips */
.credit-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    font-size: 13px;
    border: 1px solid transparent;
}

.credit-chip.positive {
    background-color: var(--success-bg);
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.2);
}

.credit-chip.zero {
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.credit-chip-btn {
    cursor: pointer;
    font-size: 12px;
    color: var(--accent-color);
    background-color: var(--accent-glow);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 4px;
    padding: 2px 6px;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.credit-chip-btn:hover {
    background-color: var(--accent-color);
    color: white;
}

/* ── Attendance Roster ────────────────────────────────────────────────────── */
.attendance-picker-card { padding: 16px 20px; margin-bottom: 16px; }
.attendance-picker-row { display: flex; gap: 16px; align-items: flex-end; }
.attendance-picker-row .form-group { margin-bottom: 0; }

.att-status-btns { display: flex; gap: 4px; }
.att-status-btn { padding: 4px 12px; border-radius: 20px; border: 1.5px solid var(--border-color); background: transparent; color: var(--text-muted); font-size: 0.78rem; font-weight: 600; cursor: pointer; transition: all 0.15s; }
.att-status-btn.present.active  { background: #16a34a; color: #fff; border-color: #16a34a; }
.att-status-btn.late.active     { background: #d97706; color: #fff; border-color: #d97706; }
.att-status-btn.absent.active   { background: #dc2626; color: #fff; border-color: #dc2626; }
.att-status-btn:not(.active):hover { border-color: var(--accent-primary); color: var(--accent-primary); }

.att-notes-input { border: none; border-bottom: 1px solid var(--border-color); background: transparent; color: var(--text-primary); font-size: 0.82rem; padding: 2px 4px; width: 100%; outline: none; }
.att-notes-input:focus { border-bottom-color: var(--accent-primary); }

/* ── Form section divider ─────────────────────────────────────────────────── */
.form-section-divider { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); border-top: 1px solid var(--border-color); margin: 16px 0 12px; padding-top: 12px; }

/* ── Printable Cards ──────────────────────────────────────────────────────── */
.printable-card { border-radius: 12px; overflow: hidden; border: 1px solid var(--border-color); background: var(--bg-card); font-family: 'Outfit', sans-serif; }
.card-header-band { display: flex; justify-content: space-between; align-items: center; background: var(--accent-primary); color: #fff; padding: 10px 16px; }
.pickup-band { background: #7c3aed; }
.card-school-name { font-size: 0.85rem; font-weight: 700; }
.card-type-label { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em; opacity: 0.85; text-transform: uppercase; background: rgba(255,255,255,0.15); border-radius: 4px; padding: 2px 8px; }
.card-body-layout { display: flex; justify-content: space-between; align-items: center; padding: 16px; gap: 12px; }
.card-info { flex: 1; }
.card-label { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); margin-bottom: 2px; }
.card-name { font-size: 1.15rem; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.card-pickup-name { font-size: 1rem; font-weight: 700; color: #7c3aed; margin-bottom: 4px; }
.card-meta { font-size: 0.78rem; color: var(--text-muted); line-height: 1.6; }
.card-qr { flex-shrink: 0; width: 90px; height: 90px; }
.card-qr canvas, .card-qr img { width: 90px !important; height: 90px !important; border-radius: 6px; }
.card-footer-band { background: var(--bg-secondary); color: var(--text-muted); font-size: 0.68rem; text-align: center; padding: 6px; font-weight: 500; }

@media print {
    body > *:not(.modal-overlay.active) { display: none !important; }
    .modal-overlay.active { position: static !important; background: none !important; }
    .modal-card { box-shadow: none !important; border: none !important; max-width: 100% !important; }
    .modal-header { display: none !important; }
    .printable-card { border: none !important; }
}

/* ── Parent Credit Modal ──────────────────────────────────────────────────── */
.credit-tabs { display: flex; border-bottom: 1px solid var(--border-color); }
.credit-tab { flex: 1; padding: 12px 8px; background: none; border: none; border-bottom: 2px solid transparent; font-size: 0.82rem; font-weight: 600; color: var(--text-muted); cursor: pointer; transition: all 0.15s; display: flex; align-items: center; justify-content: center; gap: 6px; }
.credit-tab.active { color: var(--accent-primary); border-bottom-color: var(--accent-primary); }
.credit-tab:hover:not(.active) { color: var(--text-primary); }
.credit-panel { display: block; }

/* Sortable column headers */
.sort-th {
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}
.sort-th:hover { color: var(--primary); }
.sort-icon {
    margin-left: 4px;
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Status filter pill bar */
.status-filter-bar {
    display: flex;
    gap: 6px;
    padding: 10px 16px 4px;
    flex-wrap: wrap;
}
.status-pill {
    padding: 3px 12px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}
.status-pill:hover { border-color: var(--primary); color: var(--primary); }
.status-pill.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.status-pill.pill-active { border-color: var(--success); color: var(--success); }
.status-pill.pill-active.active { background: var(--success); color: #fff; }
.status-pill.pill-completed { border-color: var(--text-muted); color: var(--text-muted); }
.status-pill.pill-completed.active { background: var(--text-muted); color: #fff; }
.status-pill.pill-cancelled { border-color: var(--danger); color: var(--danger); }
.status-pill.pill-cancelled.active { background: var(--danger); color: #fff; }
.status-pill.pill-income { border-color: var(--success); color: var(--success); }
.status-pill.pill-income.active { background: var(--success); color: #fff; }
.status-pill.pill-expense { border-color: var(--danger); color: var(--danger); }
.status-pill.pill-expense.active { background: var(--danger); color: #fff; }
.status-pill.pill-paid { border-color: var(--success); color: var(--success); }
.status-pill.pill-paid.active { background: var(--success); color: #fff; }
.status-pill.pill-pending { border-color: var(--warning, #d97706); color: var(--warning, #d97706); }
.status-pill.pill-pending.active { background: var(--warning, #d97706); color: #fff; }
.status-pill.pill-refunded { border-color: var(--primary); color: var(--primary); }
.status-pill.pill-refunded.active { background: var(--primary); color: #fff; }
.status-pill.pill-scheduled { border-color: var(--primary); color: var(--primary); }
.status-pill.pill-scheduled.active { background: var(--primary); color: #fff; }
.credit-panel .form-group { margin-bottom: 14px; }

/* ==========================================================================
   ASG FOUNDATION: sign in, access control, settings screens
   ========================================================================== */
/* Older rules use --primary and --border, which were never defined */
:root { --primary: var(--accent-color); --border: var(--border-color); }

.hidden { display: none !important; }

.login-screen {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: var(--bg-sidebar);
}
body.signed-out .login-screen { display: flex; }
body.signed-out .app-container { display: none; }

.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    padding: 32px 28px;
    box-shadow: var(--shadow-lg);
}
.login-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}
.login-brand .brand-icon { color: var(--accent-color); }
.login-subtitle { color: var(--text-secondary); margin: 6px 0 20px; font-size: 0.9rem; }
.login-error { color: var(--danger); font-size: 0.85rem; min-height: 1.2em; margin-bottom: 10px; }
.btn-block { width: 100%; justify-content: center; margin-top: 8px; }

.sidebar-footer .user-info { flex: 1; min-width: 0; }
.user-actions { display: flex; gap: 4px; }
.user-actions .btn-action { color: var(--sidebar-text); }
.user-actions .btn-action:hover { color: var(--sidebar-active-text); }

.form-row-2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1rem; }
.check-row { display: flex; align-items: center; gap: 8px; margin: 6px 0; cursor: pointer; color: var(--text-primary); font-size: 0.9rem; }
.check-row input { width: 16px; height: 16px; accent-color: var(--accent-color); }
.check-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1rem; }
.form-row-2 .form-control, .settings-card .form-control { width: 100%; min-width: 0; }
.upload-row { display: flex; gap: 8px; }
.upload-row .form-control { flex: 1; }
.upload-row .btn { flex-shrink: 0; cursor: pointer; }
.form-color { padding: 4px; height: 42px; }
.small { font-size: 0.82rem; }
.text-success { color: var(--success); }
.row-muted { opacity: 0.55; }

.status-chip {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--chip);
    background: color-mix(in srgb, var(--chip) 14%, transparent);
    border: 1px solid color-mix(in srgb, var(--chip) 35%, transparent);
}

.settings-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.settings-col { display: flex; flex-direction: column; gap: 24px; }
.settings-card .card-footer { display: flex; justify-content: flex-end; padding-top: 16px; border-top: 1px solid var(--border-color); margin-top: 8px; }
.view-actions .btn-export { margin-left: auto; }

@media (max-width: 900px) {
    .settings-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .form-row-2, .check-grid { grid-template-columns: 1fr; }
}