/* =====================================================
   SISTEMA DE TEMA ESCURO E MELHORIAS DE UX
   ===================================================== */

/* Variáveis CSS para tema claro e escuro */
:root {
    /* Tema Claro */
    --bg-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-secondary: rgba(255, 255, 255, 0.95);
    --bg-card: #ffffff;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --text-muted: #95a5a6;
    --border-color: #ecf0f1;
    --shadow-light: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 8px 32px rgba(0, 0, 0, 0.15);
    
    /* Cores de status */
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --info-color: #3498db;
    
    /* Animations */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* Tema Escuro */
[data-theme="dark"] {
    --bg-primary: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --bg-secondary: rgba(26, 26, 46, 0.95);
    --bg-card: #0f3460;
    --text-primary: #e94560;
    --text-secondary: #f5f5f5;
    --text-muted: #bdc3c7;
    --border-color: #533483;
    --shadow-light: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-medium: 0 8px 32px rgba(0, 0, 0, 0.6);
}

/* Tema automático baseado na preferência do sistema */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        --bg-primary: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
        --bg-secondary: rgba(26, 26, 46, 0.95);
        --bg-card: #0f3460;
        --text-primary: #e94560;
        --text-secondary: #f5f5f5;
        --text-muted: #bdc3c7;
        --border-color: #533483;
        --shadow-light: 0 4px 20px rgba(0, 0, 0, 0.5);
        --shadow-medium: 0 8px 32px rgba(0, 0, 0, 0.6);
    }
}

/* Aplicação das variáveis */
body {
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-normal);
}

/* Navegação aprimorada */
.navbar {
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar h1 {
    color: var(--text-primary);
    background: linear-gradient(135deg, #e94560 0%, #667eea 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.navbar-menu a {
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    border-radius: 8px;
    padding: 0.75rem 1rem;
}

.navbar-menu a:hover {
    background: rgba(233, 69, 96, 0.1);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.navbar-menu a.active {
    background: linear-gradient(135deg, #e94560 0%, #667eea 100%);
    color: white;
    box-shadow: 0 2px 10px rgba(233, 69, 96, 0.3);
}

/* Controles do tema */
.theme-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

.theme-toggle {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-normal);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.theme-toggle:hover {
    border-color: var(--info-color);
    transform: scale(1.05);
    box-shadow: var(--shadow-light);
}

.theme-toggle.active {
    background: var(--info-color);
    color: white;
    border-color: var(--info-color);
}

/* Cards melhorados */
.card,
.table-container,
.chart-container {
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.card:hover,
.table-container:hover,
.chart-container:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

/* Tabelas */
.table th {
    background: linear-gradient(135deg, #e94560 0%, #667eea 100%);
    color: white;
}

.table td {
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.table tr:hover {
    background: rgba(233, 69, 96, 0.05);
}

/* Forms */
input, select, textarea {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 10px;
    transition: all var(--transition-normal);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--info-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* Botões */
.btn-primary {
    background: linear-gradient(135deg, #e94560 0%, #667eea 100%);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(233, 69, 96, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #27ae60 100%);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #e67e22 100%);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #c0392b 100%);
}

/* KPI Cards */
.kpi-card,
.stat-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.kpi-card::before,
.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(233, 69, 96, 0.1), transparent);
    transition: left 0.6s;
}

.kpi-card:hover::before,
.stat-card:hover::before {
    left: 100%;
}

.kpi-value,
.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #e94560 0%, #667eea 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.kpi-label,
.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Busca global */
.global-search {
    position: relative;
    margin-right: 1rem;
}

.global-search input {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    width: 300px;
    transition: all var(--transition-normal);
    color: var(--text-primary);
}

.global-search input:focus {
    width: 400px;
    border-color: var(--info-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.global-search .search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* Notificações Toast */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    max-width: 400px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 0.5rem;
    box-shadow: var(--shadow-medium);
    transform: translateX(100%);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.toast.show {
    transform: translateX(0);
}

.toast-success {
    border-left: 4px solid var(--success-color);
}

.toast-error {
    border-left: 4px solid var(--danger-color);
}

.toast-warning {
    border-left: 4px solid var(--warning-color);
}

.toast-info {
    border-left: 4px solid var(--info-color);
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Responsividade */
@media (max-width: 768px) {
    .theme-controls {
        margin-left: 0;
        margin-top: 1rem;
        justify-content: center;
    }
    
    .global-search {
        width: 100%;
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    .global-search input {
        width: 100%;
    }
    
    .global-search input:focus {
        width: 100%;
    }
    
    .toast-container {
        left: 1rem;
        right: 1rem;
        max-width: none;
    }
    
    .navbar {
        padding: 1rem;
    }
    
    .navbar-menu {
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
    }
    
    .navbar-menu a {
        text-align: center;
    }
}

/* Loading states */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--info-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* Scrollbar customizada */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-card);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

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

/* Seleção de texto */
::selection {
    background: rgba(233, 69, 96, 0.3);
    color: var(--text-primary);
}