/* InternHub - Main Stylesheet */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #64748b;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --light: #f8fafc;
    --dark: #1e293b;
    --border: #e2e8f0;
    --text: #334155;
    --text-muted: #94a3b8;
    --sidebar-width: 260px;
}


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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    line-height: 1.6;
    background-color: #f8fafc;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-weight: 600;
}

/* ========== Landing Page ========== */
.landing-nav {
    position: relative;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}

.landing-nav .container {
    display: flex;
    justify-content: space-between;

    max-width: 1200px;


}


.brand-name {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
    color: white;
    text-align: center;
    padding: 25rem 10rem 4rem;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1521737711867-e3b97375f902?w=1920') center/cover;
    opacity: 0.2;
}

.hero-content {
    position: relative;
    max-width: 800px;padding: 300px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Stats Section */
.stats-section {
    background: white;
    padding: 4rem 1rem;
    border-bottom: 1px solid var(--border);
}

.stats-row {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto;
}

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

.stat-item h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-muted);
    font-weight: 500;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Features Section */
.features-section {
    padding: 5rem 1rem;
    background: var(--light);
}

.features-section .container {
    max-width: 1200px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.08);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), #60a5fa);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: white;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Internships Section */
.internships-section {
    padding: 5rem 1rem;
    background: white;
}

.internships-section .container {
    max-width: 1200px;
    margin: 0 auto;
}

.landing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

/* How It Works Section */
.how-it-works-section {
    padding: 5rem 1rem;
    background: var(--light);
}

.how-it-works-section .container {
    max-width: 1000px;
    margin: 0 auto;
}

.steps-row {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.step-card {
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    background: white;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border);
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

/* CTA Section */
.cta-section {
    padding: 5rem 1rem;
    background: linear-gradient(135deg, var(--primary), #1d4ed8);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-section p {
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* Footer */
.landing-footer {
    background: var(--dark);
    color: white;
    padding: 3rem 1rem 1rem;
}

.landing-footer .container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.footer-brand p {
    color: rgba(255,255,255,0.7);
    margin-top: 0.5rem;
}

.footer-links h5 {
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    line-height: 2;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255,255,255,0.5);
}

/* ========== Auth Pages ========== */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.auth-card {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

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

.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1.5rem;
    background: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-weight: 500;
    color: var(--text);
    text-decoration: none;
    transition: background 0.2s, box-shadow 0.2s;
}

.btn-google:hover {
    background: var(--light);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: var(--text-muted);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.auth-divider span {
    padding: 0 1rem;
    font-size: 0.875rem;
}

.auth-switch {
    text-align: center;
    color: var(--text-muted);
}

.auth-switch a {
    color: var(--primary);
    font-weight: 500;
}

.auth-hint {
    text-align: center;
    padding: 1rem;
    background: var(--light);
    border-radius: 8px;
}

.password-input {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
}

/* ========== Dashboard Layout ========== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: white;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-header {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0;
}

.nav-section {
    padding: 0 0.75rem;
    margin-bottom: 1rem;
}

.nav-section-title {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0.5rem 0.75rem;
    letter-spacing: 0.05em;
}

.nav-list {
    list-style: none;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: background 0.2s, color 0.2s;
}

.nav-item a:hover {
    background: var(--light);
}

.nav-item.active a {
    background: var(--primary);
    color: white;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.admin-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 2rem;
    min-height: 100vh;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.page-title {
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
}

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

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

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.125rem;
}

.stat-content p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Internship Cards */
.internship-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.internship-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border);
    transition: box-shadow 0.2s;
}

.internship-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.internship-header {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.company-logo {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), #60a5fa);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
}

.company-logo.large {
    width: 64px;
    height: 64px;
    font-size: 1.25rem;
}

.internship-meta h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.internship-meta p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.internship-details {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.internship-description {
    font-size: 0.875rem;
    color: var(--text);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.internship-badges {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.internship-actions {
    display: flex;
    gap: 0.5rem;
}

.internship-detail-header {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.internship-info {
    flex: 1;
}

/* Filter Tabs */
.filter-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    background: white;
    border: 1px solid var(--border);
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: background 0.2s, border-color 0.2s;
}

.filter-tab:hover {
    border-color: var(--primary);
}

.filter-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.filter-tab .count {
    background: rgba(0,0,0,0.1);
    padding: 0.125rem 0.5rem;
    border-radius: 10px;
    font-size: 0.75rem;
}

.filter-tab.active .count {
    background: rgba(255,255,255,0.2);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.empty-state.small {
    padding: 2rem 1rem;
}

.empty-state.small i {
    font-size: 2rem;
}

/* Notifications */
.notification-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.notification-item {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: 8px;
    background: var(--light);
}

.notification-item.unread {
    background: rgba(37, 99, 235, 0.05);
    border-left: 3px solid var(--primary);
}

.notification-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notification-icon-lg {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notification-content h6 {
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.notification-content p {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.notification-content small {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.notification-item-full {
    padding: 1rem;
}

.notification-item-full.unread {
    background: rgba(37, 99, 235, 0.03);
}

/* Badges */
.badge-warning {
    background-color: #fef3c7 !important;
    color: #92400e !important;
}

.badge-info {
    background-color: #dbeafe !important;
    color: #1e40af !important;
}

.badge-success {
    background-color: #dcfce7 !important;
    color: #166534 !important;
}

.badge-danger {
    background-color: #fee2e2 !important;
    color: #991b1b !important;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .stats-row {
        gap: 2rem;
    }
    
    .landing-nav .nav-links {
        gap: 1rem;
    }
    
    .nav-links .nav-link {
        display: none;
    }
}