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

:root {
    /* Cores Primárias */
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --primary-400: #818cf8;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    --primary-800: #3730a3;
    --accent-primary: var(--primary-400);

    /* Superfícies */
    --bg-base: #0f0f1a;
    --bg-surface: #16162a;
    --bg-card: #1e1e35;
    --bg-card-hover: #252540;
    --bg-input: #1a1a2e;
    --bg-sidebar: #12122a;

    /* Textos */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Status */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #3b82f6;

    /* Bordas */
    --border-color: rgba(99, 102, 241, 0.15);
    --border-active: rgba(99, 102, 241, 0.4);

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-info: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);

    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.2);

    /* Dimensões */
    --sidebar-width: 260px;
    --topbar-height: 64px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;

    /* Transições */
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

/* =========================================================================
   Base & Typography
   ========================================================================= */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    background-color: var(--bg-base);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 600;
}

a {
    color: var(--primary-400);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--primary-200);
}

/* =========================================================================
   Layout Skeleton
   ========================================================================= */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.sidebar-brand {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    font-size: 18px;
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
    color: var(--primary-500);
}

.sidebar-nav {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    margin-bottom: 4px;
    font-weight: 500;
}

.nav-item:hover, .nav-item.active {
    background-color: var(--bg-card);
    color: var(--text-primary);
}

/* Sidebar Dropdown */
.nav-dropdown {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.nav-dropdown .chevron {
    transition: var(--transition);
    font-size: 12px;
}

.nav-dropdown.open .chevron {
    transform: rotate(180deg);
}

.nav-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding-left: 24px;
    background-color: rgba(0, 0, 0, 0.15);
    margin: 0 8px;
    border-radius: var(--border-radius-sm);
}

.nav-submenu.open {
    max-height: 500px; /* Suficiente para os itens internos */
    margin-bottom: 8px;
}

.nav-submenu .nav-item {
    font-size: 13px;
    padding: 8px 16px;
    margin-bottom: 2px;
}

.nav-submenu .nav-item:first-child {
    margin-top: 4px;
}
.nav-submenu .nav-item:last-child {
    margin-bottom: 4px;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-width: 0; /* Prevents overflow in flex child */
    transition: var(--transition);
}

.topbar {
    height: var(--topbar-height);
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.page-content {
    padding: 24px;
    flex: 1;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
}

/* =========================================================================
   Components
   ========================================================================= */
.card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 13.5px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--border-active);
}

.btn-danger {
    background: var(--gradient-danger);
    color: #fff;
}

.btn-danger:hover {
    opacity: 0.9;
}

/* Tabelas */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-transform: uppercase;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.7px;
    color: var(--text-muted);
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 14px;
}

tbody tr:hover {
    background-color: rgba(99,102,241,0.04);
}

/* Formulários e Inputs */
.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 13px;
}

input.form-control, select.form-control, textarea.form-control {
    width: 100%;
    padding: 10px 14px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition-fast);
}

input.form-control:focus, select.form-control:focus, textarea.form-control:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.invalid-feedback {
    color: var(--color-danger);
    font-size: 12px;
    margin-top: 4px;
}

/* Alertas e Badges */
.badge {
    padding: 4px 8px;
    border-radius: var(--border-radius-sm);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-pendente { background-color: rgba(245, 158, 11, 0.2); color: var(--color-warning); }
.badge-andamento { background-color: rgba(59, 130, 246, 0.2); color: var(--color-info); }
.badge-concluido { background-color: rgba(16, 185, 129, 0.2); color: var(--color-success); }
.badge-cancelado { background-color: rgba(239, 68, 68, 0.2); color: var(--color-danger); }

.alert {
    padding: 16px;
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.alert-success { background-color: rgba(16, 185, 129, 0.1); border: 1px solid var(--color-success); color: var(--color-success); }
.alert-error { background-color: rgba(239, 68, 68, 0.1); border: 1px solid var(--color-danger); color: var(--color-danger); }

/* =========================================================================
   Dashboard Grid
   ========================================================================= */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.stat-card {
    padding: 24px;
    border-radius: var(--border-radius);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.stat-title {
    font-size: 12px;
    text-transform: uppercase;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

/* =========================================================================
   Responsividade & Mobile
   ========================================================================= */

/* Backdrop do Sidebar Mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 95;
    backdrop-filter: blur(2px);
}

.sidebar-overlay.open {
    display: block;
}

@media (max-width: 1100px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    /* Sidebar */
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .mobile-toggle {
        display: block;
        margin-right: 16px;
    }

    /* Topbar */
    .topbar {
        padding: 0 16px;
    }

    .topbar-user-name {
        display: none; /* Esconde nome de usuário em telas menores */
    }

    /* Cards e Espaçamentos */
    .page-content {
        padding: 16px;
    }

    .card {
        padding: 16px;
    }

    /* Dashboard */
    .dashboard-stats {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    /* Formulários */
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}

@media (max-width: 480px) {
    .dashboard-stats {
        grid-template-columns: 1fr;
    }

    /* Tabelas em Mobile */
    .table-responsive {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin-bottom: 16px;
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius-sm);
    }

    table {
        min-width: 600px; /* Força tabela a ter tamanho mínimo para scroll horizontal */
    }

    th, td {
        padding: 12px;
        white-space: nowrap; /* Impede que o texto quebre linhas */
    }

    /* Topbar compacta */
    .topbar {
        height: 56px;
    }

    .sidebar-brand {
        height: 56px;
    }

    .btn {
        padding: 8px 12px;
        font-size: 13px;
    }
}

/* =========================================================================
   Utilitários de Layout para Mobile
   ========================================================================= */
.header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
}

.search-form {
    display: flex;
    gap: 8px;
    flex: 1;
    min-width: 250px;
}

.search-input {
    width: 100%;
    max-width: 300px;
}

.form-layout-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 24px;
}

.add-item-controls {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    padding: 16px;
    background-color: var(--bg-surface);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    align-items: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .header-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .search-input {
        max-width: 100%;
    }
    .form-layout-grid {
        grid-template-columns: 1fr;
    }
    .add-item-controls {
        flex-direction: column;
        align-items: stretch;
    }
    .add-item-controls > div {
        width: 100% !important;
    }
}