/* ==========================================
   PORTAL CSS DESIGN SYSTEM (VANILLA CSS)
   ========================================== */

/* Design Tokens & Variables */
:root {
    --color-bg-deep: #050E1A;
    --color-bg-navy: #0B192C;
    --color-bg-navy-light: #152C47;
    --color-gold: #D4AF37;
    --color-gold-hover: #F1C40F;
    --color-text-white: #FFFFFF;
    --color-text-gray: #A9B7C6;
    --color-border: rgba(212, 175, 55, 0.15);
    --color-glass-bg: rgba(11, 25, 44, 0.65);
    
    --font-primary: 'Inter', sans-serif;
    --font-header: 'Outfit', sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s ease;
    
    --shadow-premium: 0 10px 30px rgba(0, 0, 0, 0.3);
    --border-radius-lg: 12px;
    --border-radius-md: 8px;
    --border-radius-sm: 4px;
}

/* Base Portal Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body.portal-body {
    background-color: var(--color-bg-deep);
    color: var(--color-text-white);
    font-family: var(--font-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Scrollbar customization */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-deep);
}
::-webkit-scrollbar-thumb {
    background: var(--color-bg-navy-light);
    border-radius: var(--border-radius-sm);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-gold);
}

/* ==========================================
   1. LOGIN PAGE STYLING
   ========================================== */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background: radial-gradient(circle at 10% 20%, rgba(11, 25, 44, 0.9) 0%, rgba(5, 14, 26, 0.98) 90%);
}

.login-container {
    background: var(--color-bg-navy);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 440px;
    padding: 40px 30px;
    box-shadow: var(--shadow-premium);
    transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

.login-brand {
    text-align: center;
    margin-bottom: 30px;
}

.brand-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-gray);
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition-fast);
    margin-bottom: 20px;
}

.brand-back-link:hover {
    color: var(--color-gold);
}

.brand-logo-container {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--color-gold);
}

.brand-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.login-brand h2 {
    font-family: var(--font-header);
    color: var(--color-text-white);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.login-brand p {
    color: var(--color-gold);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Role Selection toggles */
.role-selector {
    display: flex;
    background: var(--color-bg-deep);
    border-radius: var(--border-radius-md);
    padding: 4px;
    margin-bottom: 25px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.role-btn {
    flex: 1;
    background: none;
    border: none;
    color: var(--color-text-gray);
    padding: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.role-btn.active {
    background: var(--color-bg-navy-light);
    color: var(--color-gold);
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

/* Form layouts */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group label {
    font-size: 0.85rem;
    color: var(--color-text-gray);
    font-weight: 500;
}

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

.input-icon-wrapper i {
    position: absolute;
    left: 15px;
    color: var(--color-gold);
    font-size: 1rem;
}

.input-icon-wrapper input,
.input-icon-wrapper select {
    width: 100%;
    background-color: var(--color-bg-deep);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-white);
    padding: 12px 15px 12px 42px;
    border-radius: var(--border-radius-md);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-fast);
}

.input-icon-wrapper select {
    appearance: none;
}

.input-icon-wrapper input:focus,
.input-icon-wrapper select:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.2);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-header);
    font-weight: 600;
    padding: 12px 24px;
    border-radius: var(--border-radius-md);
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

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

.btn-gold:hover {
    background-color: var(--color-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-block {
    width: 100%;
}

.btn-outline-gold {
    background: none;
    border: 1px solid var(--color-gold);
    color: var(--color-gold);
}

.btn-outline-gold:hover {
    background: var(--color-gold);
    color: var(--color-bg-deep);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* Messages */
.error-message {
    color: #ff4d4d;
    font-size: 0.8rem;
    text-align: center;
    display: none;
}

.success-message {
    color: #2ed573;
    font-size: 0.8rem;
    text-align: center;
    display: none;
}

.login-credentials-tip {
    background: rgba(212, 175, 55, 0.05);
    border: 1px dashed rgba(212, 175, 55, 0.2);
    border-radius: var(--border-radius-md);
    padding: 12px;
    font-size: 0.75rem;
    color: var(--color-text-gray);
    line-height: 1.4;
}

.login-credentials-tip code {
    color: var(--color-gold);
    background: rgba(0,0,0,0.2);
    padding: 1px 4px;
    border-radius: 3px;
}

.register-prompt {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-gray);
    margin-top: 10px;
}

.register-prompt a {
    color: var(--color-gold);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.register-prompt a:hover {
    text-decoration: underline;
}

.hidden {
    display: none !important;
}

/* ==========================================
   2. DASHBOARD SHELL LAYOUT
   ========================================== */
.portal-container {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

/* Sidebar Styling */
.portal-sidebar {
    width: 280px;
    background-color: var(--color-bg-navy);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
    transition: transform var(--transition-smooth);
}

.sidebar-header {
    padding: 25px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 15px;
}

.sidebar-logo {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--color-gold);
}

.sidebar-header h4 {
    font-family: var(--font-header);
    font-size: 1.05rem;
    font-weight: 700;
}

.sidebar-header span {
    font-size: 0.75rem;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.sidebar-menu {
    flex: 1;
    padding: 20px 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-text-gray);
    text-decoration: none;
    padding: 12px 15px;
    border-radius: var(--border-radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.menu-item i {
    font-size: 1.1rem;
    color: var(--color-gold);
    width: 20px;
    text-align: center;
}

.menu-item:hover {
    background: rgba(255, 255, 255, 0.03);
    color: var(--color-text-white);
}

.menu-item.active {
    background: var(--color-bg-navy-light);
    color: var(--color-gold);
    font-weight: 600;
}

.badge {
    margin-left: auto;
    font-size: 0.7rem;
    padding: 3px 7px;
    border-radius: 20px;
    font-weight: 700;
}

.badge-gold {
    background-color: var(--color-gold);
    color: var(--color-bg-deep);
}

.badge-orange {
    background-color: #ff9f43;
    color: var(--color-bg-deep);
}

.sidebar-footer {
    padding: 20px 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(0,0,0,0.15);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.avatar-icon {
    font-size: 1.8rem;
    color: var(--color-gold);
}

.user-info h5 {
    font-size: 0.85rem;
    font-weight: 600;
}

.user-info span {
    font-size: 0.75rem;
    color: var(--color-text-gray);
}

.btn-logout {
    width: 100%;
    background: rgba(255, 77, 77, 0.1);
    color: #ff4d4d;
    border: 1px solid rgba(255, 77, 77, 0.2);
    border-radius: var(--border-radius-md);
    padding: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.btn-logout:hover {
    background: #ff4d4d;
    color: white;
}

/* Main Content Area */
.portal-main {
    flex-grow: 1;
    margin-left: 280px;
    padding: 40px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 15px;
}

.main-header h2 {
    font-family: var(--font-header);
    font-size: 1.7rem;
    font-weight: 700;
}

.current-date {
    font-size: 0.85rem;
    color: var(--color-gold);
    font-weight: 500;
    background: rgba(212,175,55,0.05);
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid rgba(212,175,55,0.15);
}

/* ==========================================
   3. DASHBOARD COMPONENT STYLING
   ========================================== */
.tab-panel {
    display: none;
    flex-direction: column;
    gap: 30px;
    animation: fadeIn var(--transition-fast);
}

.tab-panel.active {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Stats Cards Grid */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.stat-card {
    background: var(--color-bg-navy);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.icon-blue { background: rgba(52, 152, 219, 0.1); color: #3498db; }
.icon-yellow { background: rgba(241, 196, 15, 0.1); color: #f1c40f; }
.icon-purple { background: rgba(155, 89, 182, 0.1); color: #9b59b6; }
.icon-orange { background: rgba(230, 126, 34, 0.1); color: #e67e22; }

.stat-content h3 {
    font-size: 0.85rem;
    color: var(--color-text-gray);
    font-weight: 500;
    margin-bottom: 5px;
}

.stat-content p {
    font-size: 1.8rem;
    font-family: var(--font-header);
    font-weight: 700;
    color: var(--color-text-white);
}

/* Activity Row Tables */
.activity-row {
    margin-top: 10px;
}

.dashboard-table-card {
    background: var(--color-bg-navy);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    overflow: hidden;
}

.card-header {
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header.border-bottom {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.card-header h4 {
    font-family: var(--font-header);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-gold);
}

.search-filter-box {
    display: flex;
    gap: 15px;
}

.search-filter-box input {
    background: var(--color-bg-deep);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 8px 15px;
    border-radius: var(--border-radius-md);
    outline: none;
    font-size: 0.85rem;
}

.search-filter-box select {
    background: var(--color-bg-deep);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 8px 15px;
    border-radius: var(--border-radius-md);
    outline: none;
    cursor: pointer;
    font-size: 0.85rem;
}

/* Table styling */
.table-responsive {
    overflow-x: auto;
}

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

.data-table th {
    background-color: rgba(0,0,0,0.25);
    color: var(--color-text-gray);
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
    padding: 15px 25px;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 15px 25px;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    color: rgba(255, 255, 255, 0.9);
}

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

.data-table tr:hover td {
    background-color: rgba(255,255,255,0.01);
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-pending { background: rgba(241, 196, 15, 0.15); color: #f1c40f; border: 1px solid rgba(241,196,15,0.3); }
.status-contacted { background: rgba(230, 126, 34, 0.15); color: #e67e22; border: 1px solid rgba(230,126,34,0.3); }
.status-enrolled { background: rgba(46, 213, 115, 0.15); color: #2ed573; border: 1px solid rgba(46,213,115,0.3); }

/* Inq Action Select */
.status-select {
    background: var(--color-bg-deep);
    border: 1px solid var(--color-border);
    color: var(--color-gold);
    padding: 5px 8px;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    outline: none;
}

/* Delete / Action buttons */
.btn-delete {
    background: none;
    border: none;
    color: #ff4d4d;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.btn-delete:hover {
    color: #ff1a1a;
    transform: scale(1.15);
}

.btn-resolve {
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--color-gold);
    color: var(--color-gold);
    cursor: pointer;
    padding: 5px 10px;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.btn-resolve:hover {
    background: var(--color-gold);
    color: var(--color-bg-deep);
}

/* Split Layouts */
.split-layout {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 30px;
    align-items: start;
}

.form-card {
    background: var(--color-bg-navy);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.form-card h4 {
    font-family: var(--font-header);
    font-size: 1.15rem;
    color: var(--color-gold);
    margin-bottom: 20px;
}

.form-desc {
    font-size: 0.8rem;
    color: var(--color-text-gray);
    margin-bottom: 20px;
    line-height: 1.4;
}

.dashboard-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.dashboard-form select,
.dashboard-form input,
.dashboard-form textarea {
    width: 100%;
    background: var(--color-bg-deep);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 10px 12px;
    border-radius: var(--border-radius-md);
    outline: none;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.dashboard-form select:focus,
.dashboard-form input:focus,
.dashboard-form textarea:focus {
    border-color: var(--color-gold);
}

.dashboard-form label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-gray);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* ==========================================
   4. ANNOUNCEMENTS NOTICE TIMELINE
   ========================================== */
.list-display-card {
    background: var(--color-bg-navy);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.list-display-card.full-width {
    width: 100%;
}

.list-display-card h4 {
    font-family: var(--font-header);
    font-size: 1.15rem;
    color: var(--color-gold);
    margin-bottom: 5px;
}

.section-subtitle {
    font-size: 0.8rem;
    color: var(--color-text-gray);
    margin-bottom: 25px;
}

.announcements-timeline {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-height: 500px;
    overflow-y: auto;
    padding-right: 10px;
}

.announcement-item {
    background: rgba(0, 0, 0, 0.15);
    border-left: 3px solid var(--color-gold);
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    padding: 18px;
    position: relative;
    transition: var(--transition-fast);
}

.announcement-item:hover {
    background: rgba(255, 255, 255, 0.01);
}

.ann-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.ann-item-header h5 {
    font-size: 0.95rem;
    font-weight: 600;
}

.ann-meta {
    display: flex;
    gap: 10px;
    align-items: center;
}

.ann-date {
    font-size: 0.75rem;
    color: var(--color-text-gray);
}

.ann-urgency-tag {
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 700;
    text-transform: uppercase;
}

.tag-general { background: rgba(52,152,219,0.1); color: #3498db; }
.tag-important { background: rgba(241,196,15,0.1); color: #f1c40f; }
.tag-urgent { background: rgba(231,76,60,0.1); color: #e74c3c; }

.ann-item-body {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.5;
}

.btn-delete-ann {
    background: none;
    border: none;
    color: #ff4d4d;
    cursor: pointer;
    font-size: 0.85rem;
    position: absolute;
    right: 15px;
    bottom: 15px;
    opacity: 0.5;
    transition: var(--transition-fast);
}

.btn-delete-ann:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* ==========================================
   5. STUDENT EXCLUSIVE STYLES
   ========================================== */
.enrollment-hero {
    background: linear-gradient(135deg, rgba(11,25,44,0.9), rgba(21,48,91,0.5)), url('images/logo.png') center/cover;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 35px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-premium);
}

.enrollment-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.hero-tag {
    font-size: 0.75rem;
    color: var(--color-gold);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
}

.enrollment-details h3 {
    font-family: var(--font-header);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.enrollment-details p {
    font-size: 0.85rem;
    color: var(--color-text-gray);
    display: flex;
    align-items: center;
    gap: 8px;
}

.enrollment-details p i {
    color: var(--color-gold);
}

.enrollment-status-badge {
    background: rgba(212, 175, 55, 0.1);
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
    border-radius: 30px;
    padding: 10px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.margin-top-large {
    margin-top: 30px;
}

/* Download Study Material Link */
.study-download-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-gold);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.study-download-link:hover {
    color: var(--color-gold-hover);
    text-decoration: underline;
}

/* ==========================================
   6. MODAL INTERFACES
   ========================================== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.75);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 200;
}

.modal-box {
    background-color: var(--color-bg-navy);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 550px;
    padding: 30px;
    box-shadow: var(--shadow-premium);
    animation: modalSlideUp var(--transition-smooth);
}

@keyframes modalSlideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 12px;
}

.modal-header h4 {
    font-family: var(--font-header);
    font-size: 1.2rem;
    color: var(--color-gold);
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-gray);
    font-size: 1.8rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: white;
}

.quote-display {
    background: rgba(0,0,0,0.2);
    border-left: 2px solid var(--color-gold);
    padding: 12px 15px;
    font-style: italic;
    font-size: 0.85rem;
    color: var(--color-text-gray);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    line-height: 1.4;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.mobile-sidebar-toggle {
    display: none;
    align-items: center;
    gap: 8px;
    background: rgba(230, 175, 46, 0.15);
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
    padding: 8px 14px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mobile-sidebar-toggle:hover {
    background: var(--color-gold);
    color: var(--color-bg-deep);
}

.mobile-sidebar-close {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    margin-left: auto;
    padding: 5px;
}

.mobile-sidebar-close:hover {
    color: var(--color-gold);
}

/* Dim Backdrop Overlay for Mobile Sidebar */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
    z-index: 99;
}

.sidebar-overlay.active {
    display: block;
}

/* ==========================================
   7. RESPONSIVE WEB STYLING (MOBILE DESIGNS)
   ========================================== */
@media (max-width: 991px) {
    .mobile-sidebar-toggle {
        display: inline-flex;
    }

    .mobile-sidebar-close {
        display: block;
    }

    .portal-sidebar {
        transform: translateX(-100%);
        box-shadow: 5px 0 30px rgba(0, 0, 0, 0.6);
        z-index: 1000;
    }
    
    .portal-sidebar.active {
        transform: translateX(0);
    }
    
    .portal-main {
        margin-left: 0;
        padding: 20px;
    }
    
    .split-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .overview-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .main-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .enrollment-hero {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .overview-grid {
        grid-template-columns: 1fr;
    }
    
    .login-container {
        padding: 30px 20px;
    }
    
    .role-selector {
        margin-bottom: 20px;
    }
}

/* Google Sign-in styles */
.divider-or {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 15px 0;
    color: var(--color-text-gray);
    font-size: 0.8rem;
}
.divider-or::before,
.divider-or::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.divider-or:not(:empty)::before {
    margin-right: .5em;
}
.divider-or:not(:empty)::after {
    margin-left: .5em;
}
.google-signin-btn-container {
    display: flex;
    justify-content: center;
    margin-top: 5px;
    width: 100%;
}