/* IMPORTAÇÃO DE FONTES */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* VARIÁVEIS DO SISTEMA DE DESIGN */
:root {
    /* TRANSITIONS */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* RADIUS */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* SHADOWS & BLUR */
    --blur-glass: 12px;
}

/* TEMA CLARO (PADRÃO) */
[data-theme="light"] {
    --bg-base: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-hover: #f1f5f9;
    --bg-surface-active: #e2e8f0;
    --border-color: rgba(15, 23, 42, 0.08);
    --border-glow: rgba(37, 99, 235, 0.15);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent-color: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-glow: rgba(37, 99, 235, 0.1);
    
    --success-color: #059669;
    --success-bg: #ecfdf5;
    --warning-color: #d97706;
    --warning-bg: #fffbeb;
    --danger-color: #dc2626;
    --danger-bg: #fef2f2;
    --info-color: #0284c7;
    --info-bg: #f0f9ff;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.4);
}

/* TEMA ESCURO */
[data-theme="dark"] {
    --bg-base: #080c14;
    --bg-surface: #0f172a;
    --bg-surface-hover: #1e293b;
    --bg-surface-active: #334155;
    --border-color: rgba(255, 255, 255, 0.06);
    --border-glow: rgba(59, 130, 246, 0.25);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-color: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-glow: rgba(59, 130, 246, 0.15);
    
    --success-color: #10b981;
    --success-bg: rgba(16, 185, 129, 0.08);
    --warning-color: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.08);
    --danger-color: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.08);
    --info-color: #0ea5e9;
    --info-bg: rgba(14, 165, 233, 0.08);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
    
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.04);
}

/* RESET E RESET GLOBAL */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

/* Scrollbar styling */
*::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
*::-webkit-scrollbar-track {
    background: transparent;
}
*::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: var(--radius-full);
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* CONTAINER DO APP */
.app-container {
    display: grid;
    grid-template-columns: 260px 1fr;
    grid-template-rows: 70px 1fr;
    grid-template-areas: 
        "sidebar header"
        "sidebar main";
    min-height: 100vh;
}

/* SIDEBAR LATERAL */
.sidebar {
    grid-area: sidebar;
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: width var(--transition-normal), transform var(--transition-normal);
    position: relative;
}

.sidebar-logo {
    height: 70px;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo img {
    height: 36px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 4px var(--accent-glow));
}

.sidebar-logo h1 {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-menu {
    flex: 1;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    overflow-y: auto;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.menu-item i {
    font-size: 18px;
    transition: transform var(--transition-fast);
}

.menu-item:hover {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}

.menu-item:hover i {
    transform: translateX(2px);
}

.menu-item.active {
    background-color: var(--accent-color);
    color: #ffffff;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.menu-item.active i {
    color: #ffffff;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--accent-color), #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 700;
    font-size: 14px;
}

.user-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 11px;
    color: var(--text-muted);
}

.btn-logout {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 18px;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.btn-logout:hover {
    color: var(--danger-color);
    background-color: var(--danger-bg);
}

/* HEADER SUPERIOR */
.header {
    grid-area: header;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    z-index: 99;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-menu-toggle {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    display: none; /* Só visível no mobile */
    transition: all var(--transition-fast);
}

.btn-menu-toggle:hover {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
}

.breadcrumbs-sep {
    color: var(--text-muted);
}

.breadcrumbs-current {
    color: var(--text-primary);
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-theme-toggle {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-theme-toggle:hover {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}

/* ÁREA PRINCIPAL DE CONTEÚDO */
.main-content {
    grid-area: main;
    padding: 32px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* ANIMAÇÃO DE ENTRADA DO CONTEÚDO */
.page-wrapper {
    animation: fadeInUp var(--transition-normal) forwards;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* RESPONSIVIDADE (MOBILE & TABLET) */
@media (max-width: 1024px) {
    .app-container {
        grid-template-columns: 1fr;
        grid-template-areas: 
            "header"
            "main";
    }
    
    .sidebar {
        position: fixed;
        top: 0;
        left: -260px;
        height: 100vh;
        width: 260px;
        box-shadow: var(--shadow-lg);
    }
    
    .sidebar.open {
        transform: translateX(260px);
    }
    
    .btn-menu-toggle {
        display: block;
    }
    
    .main-content {
        padding: 20px;
    }
}