/* Reset e Variáveis */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --dark-bg: #1e293b;
    --light-bg: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: var(--dark-bg);
    color: white;
    padding: 2rem 0;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.header .fa-brain {
    color: var(--primary-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* Controls */
.controls {
    background: white;
    padding: 2rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.search-box {
    position: relative;
    margin-bottom: 1.5rem;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.search-box input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Filters */
.filters {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 1rem;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-color);
    background: white;
    color: var(--text-primary);
    border-radius: 50px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

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

/* Counter */
.counter {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 1rem;
}

.counter span {
    font-weight: bold;
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* Gallery */
.gallery {
    padding: 3rem 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

/* Cards */
.work-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.work-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.card-content {
    padding: 1.5rem;
}

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

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.type-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.type-badge.imagem {
    background: #dbeafe;
    color: #1e40af;
}

.type-badge.video {
    background: #f3e8ff;
    color: #6b21a8;
}

.type-badge.avatar {
    background: #d1fae5;
    color: #065f46;
}

.card-student {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.card-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tool-tag {
    padding: 0.25rem 0.75rem;
    background: var(--light-bg);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.card-date {
    color: var(--text-secondary);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Loading and No Results */
.loading, .no-results {
    text-align: center;
    padding: 4rem 2rem;
    color: white;
}

.loading i, .no-results i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.loading p, .no-results p {
    font-size: 1.2rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 16px;
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    z-index: 10;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: rotate(90deg);
}

.modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    z-index: 10;
    transition: all 0.3s ease;
}

.modal-nav:hover {
    background: rgba(0, 0, 0, 0.8);
}

.modal-prev {
    left: 1rem;
}

.modal-next {
    right: 1rem;
}

.modal-body {
    padding: 2rem;
}

.modal-media {
    width: 100%;
    max-height: 500px;
    margin-bottom: 2rem;
    border-radius: 8px;
    overflow: hidden;
}

.modal-media img {
    width: 100%;
    height: auto;
    display: block;
}

.modal-media video {
    width: 100%;
    height: auto;
    display: block;
}

.modal-info h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.modal-student {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-description {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.modal-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.modal-tools .tool-tag {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.modal-date {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Content Divider */
.content-divider {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--border-color), transparent);
    margin: 3rem 0;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer p {
    margin: 0.5rem 0;
}

.footer .fa-heart {
    color: #ef4444;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.2); }
}

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.75rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .filters {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .modal-content {
        width: 95%;
    }

    .modal-body {
        padding: 1rem;
    }

    .modal-info h2 {
        font-size: 1.5rem;
    }

    .modal-nav {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}