/* Custom CSS for Early EdVentures Mockup */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

:root {
    /* New Professional Color Palette */
    --primary-blue: #6A89A7;
    --text-dark: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --bg-white: #FFFFFF;
    --bg-light: #f8f9fa;
    --text-light: #FFFFFF;
    --success-green: #28a745;
    --danger-red: #dc3545;

    /* Border Radius */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;

    /* Shadows */
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    --box-shadow-hover: 0 6px 12px rgba(0, 0, 0, 0.08);
    --box-shadow-elevated: 0 10px 20px rgba(0, 0, 0, 0.1);

    /* Transition */
    --transition: all 0.25s ease-in-out;
    --transition-slow: all 0.4s ease-in-out;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
}

/* Base Styles */
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    background-color: var(--bg-white);
    color: var(--text-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

/* Typography Scale */
h1 { 
    font-size: 2.5rem; 
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}
h2 { 
    font-size: 2rem; 
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}
h3 { 
    font-size: 1.5rem; 
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
}
h4 { 
    font-size: 1.25rem; 
    line-height: 1.4;
    margin-bottom: var(--spacing-xs);
}

/* Navbar */
.navbar {
    background-color: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.07);
    border-bottom: none;
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container-fluid {
    padding: 0 var(--spacing-lg);
}

.navbar-brand {
    color: var(--text-dark) !important;
    font-weight: 600;
    font-size: 1.25rem;
    letter-spacing: -0.01em;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    background-color: var(--bg-light);
    color: var(--primary-blue) !important;
}

.nav-link.active {
    color: var(--primary-blue) !important;
    font-weight: 600;
    background-color: transparent;
}

.nav-link.btn {
    color: var(--text-light) !important;
}

/* Cards */
.card {
    border: 1px solid var(--border-color);
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius-lg) !important;
    background-color: var(--bg-white);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--box-shadow-hover);
    transform: translateY(-2px);
}

.card-header {
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 600;
}

.card-body {
    padding: var(--spacing-lg);
}

/* Buttons */
.btn {
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--text-light);
    border-color: var(--primary-blue);
}

.btn-primary:hover {
    background-color: #5a7a8f;
    border-color: #4f6b7f;
    color: var(--text-light);
    box-shadow: var(--box-shadow);
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--primary-blue);
    border: 1.5px solid var(--primary-blue);
    background-color: transparent;
}

.btn-outline-primary:hover {
    background-color: var(--primary-blue);
    color: var(--text-light);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.stat-item {
    background-color: var(--bg-light);
    transition: var(--transition);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.stat-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
    background-color: var(--bg-white);
    border-color: var(--primary-blue);
}

.stat-item h3 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
    color: var(--primary-blue);
}

.stat-item span {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Floater Cards */
.floater-card {
    background-color: var(--bg-white);
    transition: var(--transition);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    height: 100%;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.floater-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-hover);
    border-color: var(--primary-blue);
}

.floater-avatar img {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--bg-white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Upcoming Shifts */
.upcoming-shift {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.shift-item {
    background-color: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    border-left: 4px solid var(--border-color);
}

.shift-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
    background-color: var(--bg-white);
    border-left-color: var(--primary-blue);
}

.shift-item h5 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.shift-item p {
    color: var(--text-secondary);
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.4em 0.8em;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    letter-spacing: 0.02em;
}

.bg-info {
    background-color: rgba(0, 123, 255, 0.1) !important;
    color: var(--primary-blue) !important;
}

.bg-primary {
    background-color: var(--primary-blue) !important;
    color: var(--text-light) !important;
}

.bg-success {
    background-color: rgba(40, 167, 69, 0.1) !important;
    color: var(--success-green) !important;
}

/* Footer */
footer {
    background-color: var(--bg-light) !important;
    color: var(--text-secondary) !important;
    margin-top: auto;
    padding: var(--spacing-xxl) 0 var(--spacing-lg) 0;
    border-top: 1px solid var(--border-color);
}

footer.bg-light {
    background-color: var(--bg-light) !important;
    color: var(--text-secondary) !important;
}

footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

footer a:hover {
    color: var(--primary-blue);
    text-decoration: underline;
}

.footer-copyright {
    background-color: var(--bg-light);
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    font-size: 0.9rem;
}

/* Welcome Banner */
.welcome-banner {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: none;
    margin-bottom: var(--spacing-xl);
}

.welcome-banner .card-body {
    padding: var(--spacing-xl);
}

#educator-list-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* Container spacing */
.container {
    max-width: 1200px;
    margin: 0 auto;
}

.container.mt-5 {
    margin-top: var(--spacing-xxl) !important;
}

/* Enhanced focus states for accessibility */
.btn:focus,
.nav-link:focus,
.form-control:focus,
.form-select:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(106, 137, 167, 0.25);
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Animation for cards appearing */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card, .stat-item, .shift-item, .floater-card {
    animation: fadeInUp 0.5s ease-out forwards;
}

/* Enhanced form controls */
.form-control,
.form-select {
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    box-shadow: none;
    background-color: var(--bg-white);
    color: var(--text-dark);
    font-weight: 400;
    line-height: 1.6;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bg-white);
    color: var(--text-dark);
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(106, 137, 167, 0.25);
    outline: none;
}

.form-control::placeholder {
    color: var(--text-secondary);
    opacity: 1;
}

/* Utility classes */
.text-muted {
    color: var(--text-secondary) !important;
}

.border {
    border-color: var(--border-color) !important;
}

.rounded {
    border-radius: var(--border-radius) !important;
}

/* Text color overrides */
.text-primary {
    color: var(--primary-blue) !important;
}

.text-success {
    color: var(--success-green) !important;
}

.text-info {
    color: var(--primary-blue) !important;
}

/* Request list styles */
.request-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.request-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-white);
    transition: var(--transition);
}

.request-row:hover {
    background-color: var(--bg-light);
    box-shadow: var(--box-shadow);
}

.request-info {
    flex: 1;
    padding-right: var(--spacing-lg);
}

.request-info h5 {
    margin: 0;
    font-size: 1.1rem;
}

.request-info p {
    margin: 8px 0;
}

.request-status {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 8px;
}

.request-status span:last-child {
    color: var(--text-secondary);
}

.request-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-xs);
}

@media (max-width: 768px) {
    .request-row {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }

    .request-actions {
        width: 100%;
        justify-content: flex-start;
        margin-top: var(--spacing-sm);
    }
}

footer.bg-light,
footer h5,
footer i,
footer p,
footer li {
    color: var(--text-secondary) !important;
}

footer .navbar-brand {
    color: var(--text-dark) !important;
}

footer .navbar-brand img {
    filter: none;
}


/* Teacher Dashboard Calendar Styles */
.calendar-container {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    background-color: var(--bg-white);
}

.calendar-container .row {
    margin: 0;
}

.calendar-container .col {
    padding: var(--spacing-xs);
    border: 1px solid var(--border-color);
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    border-radius: var(--border-radius-sm);
}

.calendar-container .col:hover {
    background-color: var(--bg-light);
}

.calendar-container .col.available {
    background-color: var(--success-green);
    color: white;
    font-weight: 600;
    border-color: var(--success-green);
}

.calendar-container .col.available:hover {
    opacity: 0.8;
}

.calendar-container .col.today {
    border: 2px solid var(--primary-blue);
    font-weight: 600;
}

.calendar-container .col.text-muted {
    color: var(--text-secondary) !important;
    cursor: default;
    background-color: var(--bg-light);
}

.calendar-container .col.text-muted:hover {
    background-color: var(--bg-light);
}

/* Tab Styles */
.nav-tabs {
    border-bottom: 1px solid var(--border-color);
}
.nav-tabs .nav-link {
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    transition: var(--transition);
    margin-bottom: -1px;
}

.nav-tabs .nav-link:hover {
    border-bottom-color: var(--border-color);
    color: var(--text-dark);
}

.nav-tabs .nav-link.active {
    border-bottom-color: var(--primary-blue);
    color: var(--primary-blue);
    background-color: transparent;
}

.nav-tabs .nav-link i {
    margin-right: var(--spacing-xs);
}

/* Document Upload Styles */
.table-responsive {
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.table th {
    background-color: var(--bg-light);
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    color: var(--text-dark);
}

.table td {
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
}

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

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

/* Profile Form Styles */
.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}