/* LFW Student Showcase Styles */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #1f2937;
    line-height: 1.6;
    background: #f9fafb;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: white;
    border-bottom: 1px solid #e5e7eb;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo-section {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 50px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav a {
    color: #4b5563;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
}

.nav a:hover, .nav a.active {
    color: #2E7D32;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-toggle {
    display: flex;
    gap: 4px;
}

.lang-btn {
    padding: 6px 12px;
    border: 1px solid #e5e7eb;
    background: white;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-size: 13px;
    transition: all 0.2s;
}

.lang-btn.active {
    background: #2E7D32;
    color: white;
    border-color: #2E7D32;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #2E7D32;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    border-bottom: 1px solid #e5e7eb;
    padding: 20px;
    z-index: 99;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu a {
    display: block;
    padding: 12px 0;
    color: #4b5563;
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid #f3f4f6;
}

/* Hero */
.hero {
    background: linear-gradient(to bottom, #f0fdf4, #f9fafb);
    padding: 40px 20px 30px;
    text-align: center;
}

.hero-container {
    max-width: 700px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.2;
}

.hero h1 .green {
    color: #2E7D32;
}

.hero .subtitle {
    font-size: 17px;
    color: #4b5563;
}

/* Filters Section */
.filters-section {
    background: white;
    border-bottom: 1px solid #e5e7eb;
    padding: 24px 20px;
    position: sticky;
    top: 70px;
    z-index: 50;
}

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

.filters-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 16px;
}

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

.filter-group label {
    font-size: 12px;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-group input[type="text"],
.filter-group select {
    padding: 10px 14px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    min-width: 140px;
    background: white;
}

.filter-group input[type="text"]:focus,
.filter-group select:focus {
    outline: none;
    border-color: #2E7D32;
}

.filter-group-wide {
    flex: 1;
    min-width: 100%;
}

.checkbox-group {
    display: flex;
    gap: 16px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 14px;
}

.checkbox-label input {
    accent-color: #2E7D32;
    width: 16px;
    height: 16px;
}

/* Days Filter */
.days-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.day-btn {
    padding: 8px 14px;
    border: 1px solid #e5e7eb;
    background: white;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.day-btn:hover {
    border-color: #2E7D32;
}

.day-btn.active {
    background: #2E7D32;
    color: white;
    border-color: #2E7D32;
}

/* Industries Filter */
.industries-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.industry-chip {
    padding: 8px 14px;
    border: 1px solid #e5e7eb;
    background: white;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.industry-chip:hover {
    border-color: #2E7D32;
    background: #f0fdf4;
}

.industry-chip.active {
    background: #dcfce7;
    border-color: #2E7D32;
    color: #166534;
}

/* Results Count */
.results-count {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 12px;
    border-top: 1px solid #e5e7eb;
    margin-top: 8px;
    font-size: 14px;
    color: #6b7280;
}

#resultsCount {
    font-weight: 700;
    color: #2E7D32;
    font-size: 18px;
}

.reset-btn {
    margin-left: auto;
    padding: 6px 14px;
    border: 1px solid #e5e7eb;
    background: white;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    color: #6b7280;
    transition: all 0.2s;
}

.reset-btn:hover {
    border-color: #ef4444;
    color: #ef4444;
}

/* Students Section */
.students-section {
    padding: 30px 20px;
}

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

.students-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

/* Student Card */
.student-card {
    background: white;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    transition: all 0.2s;
}

.student-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2E7D32, #4ade80);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
}

.card-info {
    flex: 1;
}

.card-name {
    font-size: 17px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 2px;
}

.card-location {
    font-size: 13px;
    color: #6b7280;
}

.card-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    padding: 8px 12px;
    background: #fffbeb;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
}

.card-rating .stars {
    color: #f59e0b;
}

.card-details {
    display: flex;
    gap: 20px;
    margin-bottom: 14px;
    padding: 12px;
    background: #f9fafb;
    border-radius: 10px;
}

.detail-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.detail-icon {
    font-size: 14px;
}

.detail-value {
    font-size: 13px;
    font-weight: 500;
    color: #374151;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.tag {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
}

.tag-skill {
    background: #e0f2fe;
    color: #0369a1;
}

.tag-industry {
    background: #dcfce7;
    color: #166534;
}

.card-languages {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}

.lang-badge {
    padding: 4px 10px;
    background: #1f2937;
    color: white;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
}

.card-education {
    font-size: 13px;
    color: #6b7280;
    margin-bottom: 14px;
}

.card-cta {
    display: block;
    width: 100%;
    padding: 12px;
    background: #2E7D32;
    color: white;
    text-align: center;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: background 0.2s;
}

.card-cta:hover {
    background: #256929;
}

/* Loading */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    gap: 16px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #e5e7eb;
    border-top-color: #2E7D32;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading p {
    color: #6b7280;
    font-size: 14px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 20px;
    color: #1f2937;
    margin-bottom: 8px;
}

.empty-state p {
    color: #6b7280;
}

.hidden {
    display: none !important;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #166534, #2E7D32);
    padding: 60px 20px;
    text-align: center;
}

.cta-container {
    max-width: 600px;
    margin: 0 auto;
}

.cta-section h2 {
    font-size: 28px;
    font-weight: 800;
    color: white;
    margin-bottom: 12px;
}

.cta-section p {
    color: rgba(255,255,255,0.9);
    font-size: 16px;
    margin-bottom: 28px;
}

.store-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.store-badge {
    height: 50px;
}

.store-badge.google-play {
    height: 74px;
    margin-top: -12px;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 30px 20px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

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

.footer-copyright {
    color: #6b7280;
    font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .header-container {
        height: 60px;
    }

    .logo-img {
        height: 40px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero .subtitle {
        font-size: 15px;
    }

    .filters-section {
        top: 60px;
    }

    .filters-row {
        flex-direction: column;
        gap: 16px;
    }

    .filter-group input[type="text"],
    .filter-group select {
        width: 100%;
    }

    .checkbox-group {
        flex-direction: column;
        gap: 10px;
    }

    .students-grid {
        grid-template-columns: 1fr;
    }

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

    .cta-section h2 {
        font-size: 22px;
    }

    .store-badge {
        height: 44px;
    }

    .store-badge.google-play {
        height: 64px;
    }
}

@media (max-width: 480px) {
    .days-filter {
        gap: 6px;
    }

    .day-btn {
        padding: 6px 10px;
        font-size: 12px;
    }

    .industry-chip {
        padding: 6px 10px;
        font-size: 12px;
    }

    .student-card {
        padding: 16px;
    }
}