/* ChromaDB Manager - CSS Otimizado */

/* Reset e Variáveis */
:root {
    --primary: #3498db;
    --primary-dark: #2980b9;
    --success: #27ae60;
    --success-dark: #229954;
    --danger: #e74c3c;
    --danger-dark: #c0392b;
    --warning: #f39c12;
    --info: #17a2b8;
    --light: #f8f9fa;
    --dark: #2c3e50;
    --gray: #7f8c8d;
    --border: #ecf0f1;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --border-radius: 8px;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    line-height: 1.6;
    color: var(--dark);
}

/* Layout Principal */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.session-info {
    background: var(--success);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Navegação */
.app-navigation {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 0;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.nav-link {
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: var(--gray);
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    background: var(--primary);
    color: white;
    transform: translateY(-1px);
}

/* Conteúdo Principal */
.app-main {
    flex: 1;
    padding: 2rem 0;
}

.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Componentes de UI */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    line-height: 1;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: var(--success-dark);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: var(--danger-dark);
}

.btn-info {
    background: var(--info);
    color: white;
}

.btn-secondary {
    background: var(--gray);
    color: white;
}

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

.btn-block {
    width: 100%;
}

/* Alertas */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(39, 174, 96, 0.1);
    border-left-color: var(--success);
    color: var(--success-dark);
}

.alert-danger {
    background: rgba(231, 76, 60, 0.1);
    border-left-color: var(--danger);
    color: var(--danger-dark);
}

/* Formulários */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* Login */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    width: 100%;
}

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

.login-title {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--gray);
    font-size: 1.1rem;
}

.login-info {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(52, 152, 219, 0.05);
    border-radius: var(--border-radius);
}

.login-info h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.login-info ul {
    list-style: none;
    margin-left: 0;
}

.login-info li {
    margin-bottom: 0.5rem;
    color: var(--dark);
}

/* Dashboard */
.dashboard-header {
    text-align: center;
    margin-bottom: 3rem;
}

.dashboard-header h2 {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 0.5rem;
}

.dashboard-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.stat-icon {
    font-size: 3rem;
    opacity: 0.8;
}

.stat-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.stat-content p {
    color: var(--gray);
    font-weight: 500;
}

/* Coleções */
.collections-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
}

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

.section-header h3 {
    font-size: 1.5rem;
    color: var(--dark);
}

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

.collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.collection-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition);
}

.collection-card:hover {
    border-color: var(--primary);
    box-shadow: var(--box-shadow);
}

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

.collection-name {
    font-size: 1.1rem;
    color: var(--dark);
    margin: 0;
}

.collection-count {
    background: var(--light);
    color: var(--gray);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 500;
}

.collection-meta {
    margin-bottom: 1.5rem;
}

.meta-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.meta-label {
    color: var(--gray);
    font-size: 0.9rem;
}

.meta-value {
    color: var(--dark);
    font-size: 0.9rem;
    font-weight: 500;
}

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

/* Estado Vazio */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.empty-state h3 {
    color: var(--dark);
    margin-bottom: 1rem;
}

.empty-state p {
    color: var(--gray);
    margin-bottom: 2rem;
}

/* Responsividade */
@media (max-width: 768px) {

    .header-content,
    .nav-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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

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

    .section-header {
        flex-direction: column;
        text-align: center;
    }

    .collection-actions {
        justify-content: center;
    }

    .login-card {
        margin: 1rem;
        padding: 2rem;
    }
}

/* Animações */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.app-main {
    animation: fadeInUp 0.5s ease-out;
}