/* ======================================
   نظام إدارة المراكز التعليمية - ملف التنسيقات
   Education Center Management - Main Stylesheet
   ====================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Arabic:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #1B4965;
    --primary-dark: #0D2B3E;
    --primary-light: #2E6B8A;
    --primary-gradient: linear-gradient(135deg, #1B4965, #2E6B8A);
    --accent: #5FA8D3;
    --accent-light: #BEE9E8;
    --sidebar-bg: #F0F7FA;
    --sidebar-hover: #D9EDF5;
    --sidebar-active: #1B4965;
    --body-bg: #f0f2f5;
    --card-bg: #ffffff;
    --text-dark: #2c3e50;
    --text-muted: #6c757d;
    --text-light: #ffffff;
    --border-color: #e9ecef;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    --shadow: 0 2px 10px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --sidebar-collapsed-width: 70px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'IBM Plex Sans Arabic', sans-serif;
    background-color: var(--body-bg);
    color: var(--text-dark);
    direction: rtl;
    min-height: 100vh;
    font-size: 14px;
    overflow-x: hidden;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 10px; }

/* ======= LOGIN PAGE ======= */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(-45deg, #0D2B3E, #1B4965, #5FA8D3, #1B4965);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(95,168,211,0.2) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    border-radius: 50%;
}

.login-page::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(190,233,232,0.15) 0%, transparent 70%);
    bottom: -50px;
    left: -50px;
    border-radius: 50%;
}

.login-card {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-radius: 25px;
    padding: 45px 40px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 25px 80px rgba(0,0,0,0.2);
    position: relative;
    z-index: 1;
    border: 1px solid rgba(95,168,211,0.2);
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 4px;
    background: linear-gradient(90deg, transparent, #1B4965, #5FA8D3, transparent);
    animation: borderAnim 3s linear infinite;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes borderAnim {
    0% { left: -100%; }
    100% { left: 100%; }
}

.login-title { color: var(--primary); font-weight: 800; font-size: 1.7rem; margin-bottom: 5px; }
.login-subtitle { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 30px; }
.login-card .form-label { font-weight: 600; color: var(--text-dark); font-size: 0.9rem; margin-bottom: 6px; }

.login-card .input-group {
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.login-card .input-group:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(27,73,101,0.15);
}

.login-card .input-group-text { background: transparent; border: none; color: var(--primary); font-size: 1.1rem; padding: 12px 15px; }
.login-card .form-control { border: none; padding: 12px 10px; font-size: 0.95rem; background: transparent; }
.login-card .form-control:focus { box-shadow: none; }

.btn-login {
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--radius);
    padding: 13px;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    width: 100%;
    transition: var(--transition);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(27,73,101,0.4);
    color: #fff;
}

.login-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    text-align: center;
    padding: 12px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
}

.login-footer a { color: #BEE9E8; font-weight: 700; text-decoration: none; }

/* ======= SIDEBAR ======= */
.sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: 260px;
    height: 100vh;
    background: var(--sidebar-bg);
    z-index: 1000;
    transition: width 0.3s ease;
    overflow-y: auto;
    box-shadow: -5px 0 20px rgba(0,0,0,0.08);
    border-left: 1px solid #D0E4EE;
}

.sidebar-brand {
    position: relative;
    padding: 25px 20px;
    text-align: center;
    border-bottom: 1px solid #D0E4EE;
}

.sidebar-brand h5 { color: var(--primary); font-weight: 700; font-size: 1rem; margin-bottom: 2px; }
.sidebar-brand small { color: #6B8FA3; font-size: 0.7rem; letter-spacing: 2px; text-transform: uppercase; }

.sidebar-section {
    padding: 15px 15px 5px;
    color: #7BA3B5;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.sidebar-menu { list-style: none; padding: 0 10px; margin: 0; }
.sidebar-menu li { margin-bottom: 3px; }

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 15px;
    color: #3A5A6B;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 1rem;
    font-weight: 500;
}

.sidebar-menu a:hover { background: var(--sidebar-hover); color: var(--primary); }

.sidebar-menu a.active {
    background: linear-gradient(135deg, rgba(27,73,101,0.2), rgba(95,168,211,0.1));
    color: var(--primary);
    font-weight: 700;
    border-right: 3px solid var(--primary);
}

.sidebar-menu a i { font-size: 1.1rem; width: 22px; text-align: center; }
.sidebar-menu .badge { margin-right: auto; font-size: 0.7rem; padding: 3px 8px; }

/* ======= TOP NAVBAR ======= */
.top-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 260px;
    height: 65px;
    background: var(--card-bg);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 25px;
    z-index: 999;
    transition: right 0.3s ease;
}

.navbar-search { position: relative; width: 350px; }

.navbar-search input {
    width: 100%;
    border: 2px solid var(--border-color);
    border-radius: 25px;
    padding: 8px 20px 8px 45px;
    font-family: 'IBM Plex Sans Arabic';
    font-size: 0.9rem;
    transition: var(--transition);
    background: var(--body-bg);
}

.navbar-search input:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(27,73,101,0.1);
}

.navbar-search .search-btn {
    position: absolute;
    left: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-gradient);
    border: none;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.navbar-actions { display: flex; align-items: center; gap: 15px; }

.navbar-actions .nav-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--body-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    border: none;
    text-decoration: none;
}

.navbar-actions .nav-icon:hover { background: var(--primary); color: #fff; }
.navbar-actions .nav-icon .badge { position: absolute; top: -2px; right: -2px; font-size: 0.6rem; padding: 2px 5px; }

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
}

/* ======= MAIN CONTENT ======= */
.main-content {
    margin-right: 260px;
    margin-top: 65px;
    padding: 25px;
    min-height: calc(100vh - 65px);
    transition: margin-right 0.3s ease;
}

/* ======= WELCOME BANNER ======= */
.welcome-banner {
    background: linear-gradient(135deg, #1B4965 0%, #2E6B8A 50%, #1a3a4f 100%);
    border-radius: var(--radius);
    padding: 30px;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    position: relative;
    overflow: hidden;
}

.welcome-banner::after {
    content: '';
    position: absolute;
    left: -50px;
    top: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(95,168,211,0.3) 0%, transparent 70%);
    border-radius: 50%;
}

.welcome-text h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 5px; }
.welcome-text p { opacity: 0.7; font-size: 0.9rem; margin: 0; }

/* ======= STAT CARDS ======= */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 24px 22px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.stat-card .stat-label { color: var(--text-muted); font-size: 0.85rem; font-weight: 500; }
.stat-card .stat-value, .stat-card .stat-number { font-size: 1.8rem; font-weight: 800; color: var(--text-dark); margin: 5px 0; }
.stat-card .stat-detail { font-size: 0.8rem; font-weight: 500; }
.stat-card .stat-detail.text-success { color: var(--success) !important; }
.stat-card .stat-detail.text-primary { color: var(--primary) !important; }

/* ======= CARDS GENERAL ======= */
.content-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    margin-bottom: 25px;
}

.content-card > .table-responsive { padding: 0 8px 8px; }

.content-card .card-header,
.content-card .card-header-custom {
    padding: 18px 22px;
    border-bottom: 1px solid var(--border-color);
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.content-card .card-header h5,
.content-card .card-header-custom h5 {
    font-weight: 700;
    font-size: 1.05rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.content-card .card-body { padding: 22px; }

/* ======= DATA TABLE ======= */
.data-table { width: 100%; border-collapse: collapse; }

.data-table thead th {
    background: var(--body-bg);
    padding: 14px 18px;
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

.data-table tbody td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    vertical-align: middle;
}

.data-table tbody tr:hover { background: rgba(27,73,101,0.04); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* ======= BUTTONS ======= */
.btn-gold, .btn-primary-custom {
    background: var(--primary-gradient);
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
}

.btn-gold:hover, .btn-primary-custom:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(27,73,101,0.3);
    color: #fff;
}

.btn-outline-gold, .btn-outline-primary-custom {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.btn-outline-gold:hover, .btn-outline-primary-custom:hover { background: var(--primary); color: #fff; }

/* ======= STATUS BADGES ======= */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
}

.status-badge.active, .status-badge.present, .status-badge.paid, .status-badge.completed, .status-badge.approved { background: #d4edda; color: #155724; }
.status-badge.inactive, .status-badge.cancelled, .status-badge.absent, .status-badge.failed, .status-badge.rejected { background: #f8d7da; color: #721c24; }
.status-badge.pending, .status-badge.late, .status-badge.overdue, .status-badge.warning { background: #fff3cd; color: #856404; }
.status-badge.graduated, .status-badge.info, .status-badge.partial, .status-badge.excused { background: #d1ecf1; color: #0c5460; }
.status-badge.transferred, .status-badge.suspended, .status-badge.draft { background: #e2e3e5; color: #383d41; }
.status-badge.enrolled { background: #cce5ff; color: #004085; }

/* ======= FORM STYLES ======= */
.form-group { margin-bottom: 18px; }
.form-group label { font-weight: 600; font-size: 0.88rem; color: var(--text-dark); margin-bottom: 6px; display: block; }
.form-group label .required { color: var(--danger); margin-right: 3px; }

.form-control, .form-select {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px 15px;
    font-family: 'IBM Plex Sans Arabic';
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(27,73,101,0.1);
}

.form-section-title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--primary);
    padding-bottom: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ======= PIPELINE CARDS ======= */
.pipeline-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 20px;
}

.pipeline-cards .pipeline-card {
    flex: 1;
    min-width: 130px;
    text-align: center;
    padding: 18px 12px;
    border-radius: var(--radius-sm);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-right: 3px solid var(--primary);
    text-decoration: none;
    color: var(--text-dark);
    transition: var(--transition);
}

.pipeline-cards .pipeline-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.pipeline-cards .pipeline-icon { font-size: 1.3rem; margin-bottom: 6px; }
.pipeline-cards .pipeline-count { font-size: 1.4rem; font-weight: 800; }
.pipeline-cards .pipeline-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

/* ======= MODAL ======= */
.modal-content { border-radius: var(--radius); border: none; box-shadow: var(--shadow-lg); }
.modal-header { border-bottom: 1px solid var(--border-color); padding: 18px 22px; }
.modal-header .modal-title { font-weight: 700; }
.modal-body { padding: 22px; }
.modal-footer { border-top: 1px solid var(--border-color); padding: 15px 22px; }

/* ======= NOTIFICATION DROPDOWN ======= */
.notification-dropdown {
    position: absolute;
    top: 50px;
    left: 0;
    width: 350px;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    z-index: 1001;
    display: none;
}

.notification-dropdown.show { display: block; }
.notification-dropdown .n-header { padding: 15px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
.notification-dropdown .n-item { padding: 12px 15px; border-bottom: 1px solid var(--border-color); cursor: pointer; transition: var(--transition); }
.notification-dropdown .n-item:hover { background: var(--body-bg); }
.notification-dropdown .n-item.unread { background: rgba(27,73,101,0.05); border-right: 3px solid var(--primary); }

/* ======= CHARTS ======= */
.chart-container { position: relative; width: 100%; height: 300px; }

/* ======= INFO BOXES ======= */
.info-box {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--body-bg);
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
}

.info-box .info-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-box .info-label { font-size: 0.78rem; color: var(--text-muted); }
.info-box .info-value { font-weight: 700; font-size: 1rem; }

/* ======= SETTINGS TABS ======= */
.settings-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 12px;
}

.settings-tabs .tab-btn {
    padding: 8px 20px;
    border: 2px solid var(--border-color);
    border-radius: 25px;
    background: transparent;
    color: var(--text-muted);
    font-family: 'IBM Plex Sans Arabic';
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.settings-tabs .tab-btn:hover { border-color: var(--primary); color: var(--primary); }
.settings-tabs .tab-btn.active { background: var(--primary-gradient); border-color: var(--primary); color: #fff; }

.tab-content-section { display: none; }
.tab-content-section.active { display: block; }

/* ======= PAGE ACTION BAR ======= */
.page-action-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.page-action-bar .page-title {
    font-weight: 700;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-action-bar .page-title i { color: var(--primary); }

.filter-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-bar .form-control,
.filter-bar .form-select { max-width: 220px; padding: 8px 14px; font-size: 0.85rem; }

/* ======= PAGINATION ======= */
.pagination-custom .page-link {
    border: 1px solid var(--border-color);
    color: var(--text-dark);
    padding: 8px 14px;
    font-weight: 500;
    border-radius: var(--radius-sm) !important;
    margin: 0 3px;
}

.pagination-custom .page-link:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination-custom .page-item.active .page-link { background: var(--primary); border-color: var(--primary); }

/* ======= EMPTY STATE ======= */
.empty-state { text-align: center; padding: 50px 20px; }
.empty-state i { font-size: 4rem; color: var(--border-color); margin-bottom: 15px; }
.empty-state h5 { color: var(--text-muted); font-weight: 600; }
.empty-state p { color: var(--text-muted); font-size: 0.9rem; }

/* ======= ALERTS ======= */
.alert-custom { border-radius: var(--radius-sm); border: none; padding: 14px 20px; font-weight: 500; }

/* ======= SEARCH DROPDOWN ======= */
.search-results-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    background: var(--card-bg);
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    border-top: none;
    z-index: 1001;
    max-height: 400px;
    overflow-y: auto;
    display: none;
}

.search-results-dropdown.show { display: block; }
.search-results-dropdown .search-item { padding: 10px 15px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid var(--border-color); text-decoration: none; color: var(--text-dark); transition: var(--transition); }
.search-results-dropdown .search-item:hover { background: var(--body-bg); }

/* ======= LOADING ======= */
.loading-overlay { position: fixed; inset: 0; background: rgba(255,255,255,0.85); display: flex; align-items: center; justify-content: center; z-index: 9999; }
.spinner-gold { width: 50px; height: 50px; border: 4px solid var(--border-color); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ======= BADGE ======= */
.badge-gold, .badge-primary { background: var(--primary-gradient); color: #fff; }

/* ======= ANIMATION ======= */
.fade-in { animation: fadeIn 0.4s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ======= REPORT SUMMARY ======= */
.report-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; margin-bottom: 20px; }
.report-summary .summary-item { background: var(--body-bg); border-radius: var(--radius-sm); padding: 15px; text-align: center; }
.report-summary .summary-item .value { font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.report-summary .summary-item .label { font-size: 0.8rem; color: var(--text-muted); font-weight: 600; }

/* ======= ROLE BADGES ======= */
.role-badge { padding: 4px 12px; border-radius: 20px; font-size: 0.78rem; font-weight: 600; }
.role-badge.admin { background: linear-gradient(135deg, #dc3545, #e74c5e); color: #fff; }
.role-badge.manager { background: linear-gradient(135deg, #17a2b8, #20c997); color: #fff; }
.role-badge.staff { background: linear-gradient(135deg, #6c757d, #adb5bd); color: #fff; }
.role-badge.teacher { background: linear-gradient(135deg, #1B4965, #5FA8D3); color: #fff; }

/* ======= INVOICE ======= */
.invoice-container { max-width: 800px; margin: 0 auto; background: #fff; padding: 40px; border-radius: var(--radius); box-shadow: var(--shadow); }
.invoice-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 3px solid var(--primary); }
.invoice-logo { font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.invoice-info { text-align: left; }
.invoice-info h4 { color: var(--primary); font-weight: 800; }
.invoice-details { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 30px; }
.invoice-table { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
.invoice-table th { background: var(--primary); color: #fff; padding: 12px 15px; font-weight: 600; }
.invoice-table td { padding: 12px 15px; border-bottom: 1px solid var(--border-color); }
.invoice-table tfoot td { font-weight: 700; border-top: 2px solid var(--primary); }
.invoice-footer { text-align: center; padding-top: 20px; border-top: 1px solid var(--border-color); color: var(--text-muted); font-size: 0.85rem; }

/* ======= FORM SWITCH ======= */
.form-switch-custom { display: flex; align-items: center; gap: 10px; }
.form-switch-custom .form-check-input { width: 42px; height: 22px; cursor: pointer; }
.form-switch-custom .form-check-input:checked { background-color: var(--primary); border-color: var(--primary); }

/* ======= STUDENT / COURSE CARDS ======= */
.student-card, .course-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
}
.student-card:hover, .course-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

/* ======= RESPONSIVE ======= */
.sidebar-toggle {
    display: none;
    background: var(--primary-gradient);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 999; }

@media (max-width: 992px) {
    .sidebar { transform: translateX(100%); }
    .sidebar.show { transform: translateX(0); }
    .sidebar-overlay.show { display: block; }
    .sidebar-toggle { display: flex; }
    .main-content { margin-right: 0; }
    .top-navbar { right: 0; }
    .navbar-search { width: 200px; }
    .welcome-banner { flex-direction: column; text-align: center; gap: 15px; }
    .stat-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
    .stat-cards { grid-template-columns: 1fr; }
    .navbar-search { display: none; }
    .top-navbar { padding: 0 15px; }
    .main-content { padding: 15px; }
    .login-card { margin: 15px; padding: 30px 25px; }
    .data-table { font-size: 0.82rem; }
    .data-table thead th, .data-table tbody td { padding: 8px 10px; }
    .pipeline-cards { flex-direction: column; }
    .page-action-bar { flex-direction: column; align-items: flex-start; }
    .filter-bar { width: 100%; }
    .filter-bar .form-control, .filter-bar .form-select { max-width: 100%; flex: 1; }
}

/* ======= PRINT ======= */
@media print {
    .sidebar, .top-navbar, .sidebar-toggle, .no-print, .sidebar-overlay { display: none !important; }
    .main-content { margin: 0 !important; padding: 15px !important; }
    body { background: #fff !important; }
    .content-card { box-shadow: none !important; border: 1px solid #ddd !important; }
    .stat-card { box-shadow: none !important; border: 1px solid #ddd !important; }
    .btn, button:not(.print-show) { display: none !important; }
    a { text-decoration: none !important; color: #333 !important; }
    .print-only { display: block !important; }
}

.print-only { display: none; }

/* ======= CERTIFICATES ======= */
.certificate-preview-container {
    padding: 20px;
    background: #e9ecef;
    display: flex;
    justify-content: center;
    overflow: auto;
}
.certificate-page {
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    background: #fff;
}
@media (max-width: 768px) {
    .certificate-preview-container { padding: 10px; }
    .certificate-page { transform: scale(0.6); transform-origin: top center; }
}

/* ======= TIMETABLE ======= */
.timetable-grid { width: 100%; border-collapse: collapse; table-layout: fixed; }
.timetable-day-header { background: var(--primary); color: #fff; padding: 12px 8px; text-align: center; font-weight: 700; font-size: 0.9rem; border: 1px solid rgba(255,255,255,0.2); }
.timetable-day-header.today { background: var(--success); }
.timetable-day-cell { vertical-align: top; padding: 8px; border: 1px solid var(--border-color); min-height: 150px; background: #fafbfc; }
.timetable-day-cell.today { background: rgba(40,167,69,0.04); }
.timetable-empty { text-align: center; color: var(--text-muted); padding: 30px 5px; font-size: 0.8rem; }
.timetable-course-card { background: #fff; border-radius: var(--radius-sm); padding: 8px 10px; margin-bottom: 8px; transition: var(--transition); cursor: default; box-shadow: 0 1px 3px rgba(0,0,0,0.06); }
.timetable-course-card:hover { transform: translateY(-2px); box-shadow: 0 3px 10px rgba(0,0,0,0.1); }
.timetable-course-name { font-weight: 700; font-size: 0.85rem; margin-bottom: 4px; }
.timetable-course-time { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 4px; direction: ltr; text-align: right; }
.timetable-course-info { font-size: 0.75rem; color: var(--text-muted); }
.timetable-course-info div { margin-bottom: 2px; }
.timetable-course-info i { width: 14px; text-align: center; margin-left: 3px; font-size: 0.7rem; }

/* ======= STUDENT PROFILE ======= */
.student-avatar-lg { width: 70px; height: 70px; border-radius: 50%; background: var(--primary-gradient); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.8rem; flex-shrink: 0; }
.mini-stat-card { border: 1px solid var(--border-color); transition: var(--transition); }
.mini-stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

/* ======= FEE TYPES ======= */
.fee-type-card { background: var(--card-bg); border-radius: var(--radius); border: 1px solid var(--border-color); padding: 20px; transition: var(--transition); }
.fee-type-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.fee-type-amount { font-size: 1.5rem; font-weight: 800; color: var(--primary); }

/* ======= EXPORT DROPDOWN ======= */
.btn-group .dropdown-menu { min-width: 150px; }
.btn-group .dropdown-item { font-size: 0.85rem; padding: 8px 15px; }
.btn-group .dropdown-item i { width: 20px; }

/* ======= QUICK ACTIONS ======= */
.quick-action-btn { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 18px 10px; border-radius: var(--radius-sm); background: var(--body-bg); border: 2px solid var(--border-color); color: var(--text-dark); text-decoration: none; transition: var(--transition); font-weight: 600; font-size: 0.82rem; text-align: center; }
.quick-action-btn i { font-size: 1.5rem; color: var(--primary); transition: var(--transition); }
.quick-action-btn:hover { border-color: var(--primary); background: rgba(27,73,101,0.05); transform: translateY(-3px); box-shadow: var(--shadow); color: var(--primary); }
.quick-action-btn:hover i { transform: scale(1.15); }

/* ======= DAY CHECKBOXES ======= */
.day-check-label { cursor: pointer; user-select: none; transition: var(--transition); font-size: 0.82rem; padding: 4px 12px !important; }
.day-check-label.active { background: var(--primary) !important; color: #fff !important; border-color: var(--primary) !important; }

/* ======= LOGO DROP ZONE ======= */
.logo-drop-zone { transition: all .3s ease; }
.logo-drop-zone:hover { border-color: var(--primary) !important; background: #f0f7fa !important; }
.logo-drop-zone.drag-over { border-color: var(--primary) !important; background: #e8f4f8 !important; border-style: solid !important; }

/* ======= CURRENCIES ======= */
.currencies-page .content-card { transition: var(--transition); }
.currencies-page .data-table td .fs-5 { font-weight: 600; }
.calc-result-box { font-size: 1.2rem; font-weight: 600; }

/* ======= SIDEBAR COLLAPSE ======= */
.sidebar-collapse-btn { position: absolute; left: 10px; top: 18px; background: rgba(0,0,0,0.05); border: none; color: rgba(0,0,0,0.4); width: 28px; height: 28px; border-radius: 8px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.2s; z-index: 5; font-size: 12px; }
.sidebar-collapse-btn:hover { background: rgba(0,0,0,0.1); color: var(--primary); }
@media (min-width: 992px) {
    body.sidebar-collapsed .sidebar { width: var(--sidebar-collapsed-width); }
    body.sidebar-collapsed .main-content { margin-right: var(--sidebar-collapsed-width); }
    body.sidebar-collapsed .top-navbar { right: var(--sidebar-collapsed-width); }
    body.sidebar-collapsed .sidebar .sidebar-brand span, body.sidebar-collapsed .sidebar .sidebar-brand h5, body.sidebar-collapsed .sidebar .sidebar-brand small, body.sidebar-collapsed .sidebar .sidebar-brand-text, body.sidebar-collapsed .sidebar .sidebar-section, body.sidebar-collapsed .sidebar p.sidebar-section, body.sidebar-collapsed .sidebar .sidebar-menu a span, body.sidebar-collapsed .sidebar .sidebar-menu a .badge { display: none; }
    body.sidebar-collapsed .sidebar .sidebar-brand { padding: 15px 10px; }
    body.sidebar-collapsed .sidebar .sidebar-brand img { width: 40px; height: 40px; }
    body.sidebar-collapsed .sidebar .sidebar-brand i { font-size: 22px; }
    body.sidebar-collapsed .sidebar .sidebar-menu a { justify-content: center; padding: 12px 0; gap: 0; position: relative; display: flex; }
    body.sidebar-collapsed .sidebar .sidebar-menu a i { font-size: 17px; width: auto; margin: 0; }
    body.sidebar-collapsed .sidebar .sidebar-menu a.active { border-radius: 8px; margin: 2px 8px; }
    body.sidebar-collapsed .sidebar .sidebar-collapse-btn { position: static; margin: 8px auto 0; }
    body.sidebar-collapsed .sidebar .sidebar-menu a:hover::after { content: attr(data-title); position: absolute; right: calc(100% + 12px); top: 50%; transform: translateY(-50%); background: rgba(0,0,0,0.85); color: white; padding: 5px 12px; border-radius: 6px; font-size: 12px; white-space: nowrap; z-index: 9999; pointer-events: none; }
}
@media (max-width: 991px) { .sidebar-collapse-btn { display: none !important; } }

/* ======= TOPBAR CLOCK & SHORTCUTS ======= */
.topbar-clock { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted, #6c757d); direction: ltr; }
.topbar-clock .clock-time { font-weight: 700; color: var(--primary); font-size: 14px; }
.topbar-clock .clock-date { font-size: 12px; }
.topbar-shortcuts { display: flex; align-items: center; gap: 3px; }
.topbar-shortcut { width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; border-radius: 8px; color: var(--text-muted, #6c757d); text-decoration: none; transition: all 0.2s; font-size: 15px; }
.topbar-shortcut:hover { background: var(--body-bg, #f0f2f5); color: var(--primary); }
.topbar-divider { width: 1px; height: 28px; background: var(--border-color, #e0e0e0); margin: 0 8px; }

/* Page Transition Loading Bar */
.page-loader { position: fixed; top: 0; right: 0; width: 0; height: 3px; background: linear-gradient(90deg, var(--primary, #1976D2), var(--secondary, #42A5F5)); z-index: 999999; transition: none; pointer-events: none; }
.page-loader.active { animation: pageLoad 1.8s ease-out forwards; }
@keyframes pageLoad { 0% { width: 0; opacity: 1; } 20% { width: 40%; } 50% { width: 70%; } 80% { width: 88%; } 100% { width: 95%; opacity: 1; } }
.page-loader.done { width: 100% !important; opacity: 0; transition: opacity 0.3s ease 0.1s; }
/* Page Transition Loading Bar */
.page-loader { position: fixed; top: 0; right: 0; width: 0; height: 3px; background: linear-gradient(90deg, var(--primary, #1976D2), var(--secondary, #42A5F5)); z-index: 999999; transition: none; pointer-events: none; }
.page-loader.active { animation: pageLoad 1.8s ease-out forwards; }
@keyframes pageLoad { 0% { width: 0; opacity: 1; } 20% { width: 40%; } 50% { width: 70%; } 80% { width: 88%; } 100% { width: 95%; opacity: 1; } }
.page-loader.done { width: 100% !important; opacity: 0; transition: opacity 0.3s ease 0.1s; }