/**
 * Admin Modern Theme - Clean, Minimal, Professional
 * Inspirado em Power BI, Notion, Linear
 */

:root {
    /* Cores Base */
    --admin-bg: #fafafa;
    --admin-bg-card: #ffffff;
    --admin-bg-sidebar: #ffffff;
    --admin-bg-hover: #f5f5f5;

    /* Textos */
    --admin-text-primary: #1a1a1a;
    --admin-text-secondary: #666666;
    --admin-text-muted: #999999;
    --admin-text-disabled: #cccccc;

    /* Bordas */
    --admin-border: #e5e5e5;
    --admin-border-hover: #d0d0d0;

    /* Cores de Ação */
    --admin-primary: #0066ff;
    --admin-primary-hover: #0052cc;
    --admin-success: #00875a;
    --admin-warning: #ff8b00;
    --admin-danger: #de350b;

    /* Sombras */
    --admin-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --admin-shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --admin-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);

    /* Raios */
    --admin-radius-sm: 4px;
    --admin-radius-md: 8px;
    --admin-radius-lg: 12px;

    /* Espaçamento */
    --admin-space-xs: 4px;
    --admin-space-sm: 8px;
    --admin-space-md: 16px;
    --admin-space-lg: 24px;
    --admin-space-xl: 32px;
    --admin-space-2xl: 48px;
}

/* Dark Mode (opcional) */
@media (prefers-color-scheme: dark) {
    :root {
        --admin-bg: #1a1a1a;
        --admin-bg-card: #252525;
        --admin-bg-sidebar: #1f1f1f;
        --admin-bg-hover: #2d2d2d;
        --admin-text-primary: #ffffff;
        --admin-text-secondary: #b3b3b3;
        --admin-text-muted: #808080;
        --admin-text-disabled: #4d4d4d;
        --admin-border: #333333;
        --admin-border-hover: #404040;
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--admin-text-primary);
    background: var(--admin-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Layout Principal */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    width: 240px;
    background: var(--admin-bg-sidebar);
    border-right: 1px solid var(--admin-border);
    padding: var(--admin-space-lg);
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.admin-sidebar::-webkit-scrollbar {
    width: 6px;
}

.admin-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.admin-sidebar::-webkit-scrollbar-thumb {
    background: var(--admin-border);
    border-radius: 3px;
}

.admin-sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--admin-border-hover);
}

.admin-logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--admin-text-primary);
    margin-bottom: var(--admin-space-xl);
    letter-spacing: -0.3px;
}

.admin-nav {
    list-style: none;
}

.admin-nav-item {
    margin-bottom: var(--admin-space-xs);
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: var(--admin-space-md);
    padding: var(--admin-space-md);
    color: var(--admin-text-secondary);
    text-decoration: none;
    border-radius: var(--admin-radius-md);
    transition: all 0.15s ease;
    font-size: 14px;
    font-weight: 500;
}

.admin-nav-link:hover {
    background: var(--admin-bg-hover);
    color: var(--admin-text-primary);
}

.admin-nav-link.active {
    background: var(--admin-primary);
    color: white;
}

.admin-nav-icon {
    width: 20px;
    height: 20px;
    opacity: 0.7;
}

.admin-nav-link.active .admin-nav-icon {
    opacity: 1;
}

/* Main Content */
.admin-main {
    flex: 1;
    margin-left: 240px;
    padding: var(--admin-space-2xl);
    max-width: 1400px;
}

/* Header */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--admin-space-2xl);
}

.admin-title {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.5px;
    color: var(--admin-text-primary);
}

.admin-subtitle {
    font-size: 14px;
    color: var(--admin-text-secondary);
    margin-top: var(--admin-space-xs);
}

.admin-actions {
    display: flex;
    gap: var(--admin-space-md);
}

/* Cards */
.admin-card {
    background: var(--admin-bg-card);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-lg);
    padding: var(--admin-space-lg);
    margin-bottom: var(--admin-space-lg);
    box-shadow: var(--admin-shadow-sm);
    transition: all 0.15s ease;
}

.admin-card:hover {
    box-shadow: var(--admin-shadow-md);
}

.admin-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--admin-space-lg);
    padding-bottom: var(--admin-space-md);
    border-bottom: 1px solid var(--admin-border);
}

.admin-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--admin-text-primary);
}

/* Botões */
.btn-admin {
    display: inline-flex;
    align-items: center;
    gap: var(--admin-space-sm);
    padding: var(--admin-space-md) var(--admin-space-lg);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--admin-radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    font-family: inherit;
}

.btn-admin:active {
    transform: scale(0.98);
}

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

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

.btn-admin-secondary {
    background: var(--admin-bg-hover);
    color: var(--admin-text-primary);
    border-color: var(--admin-border);
}

.btn-admin-secondary:hover {
    background: var(--admin-border);
}

.btn-admin-ghost {
    background: transparent;
    color: var(--admin-text-secondary);
}

.btn-admin-ghost:hover {
    background: var(--admin-bg-hover);
    color: var(--admin-text-primary);
}

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

.btn-admin-danger:hover {
    background: #c92100;
}

.btn-admin-sm {
    padding: var(--admin-space-sm) var(--admin-space-md);
    font-size: 13px;
}

/* Inputs */
.input-admin {
    width: 100%;
    padding: var(--admin-space-md);
    font-size: 14px;
    color: var(--admin-text-primary);
    background: var(--admin-bg-card);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-md);
    transition: all 0.15s ease;
    font-family: inherit;
}

.input-admin:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.input-admin::placeholder {
    color: var(--admin-text-muted);
}

textarea.input-admin {
    resize: vertical;
    min-height: 100px;
}

/* Select */
select.input-admin {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%23666666' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

/* Label */
.label-admin {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--admin-text-primary);
    margin-bottom: var(--admin-space-sm);
}

/* Form Group */
.form-group {
    margin-bottom: var(--admin-space-lg);
}

/* Tabela */
.table-admin {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table-admin thead {
    background: var(--admin-bg-hover);
}

.table-admin th {
    padding: var(--admin-space-md);
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--admin-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--admin-border);
}

.table-admin td {
    padding: var(--admin-space-md);
    border-bottom: 1px solid var(--admin-border);
    color: var(--admin-text-primary);
    font-size: 14px;
    vertical-align: middle;
}

.table-admin tbody tr {
    transition: background 0.15s ease;
}

.table-admin tbody tr:hover {
    background: var(--admin-bg-hover);
}

/* Badge */
.badge-admin {
    display: inline-block;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-success {
    background: rgba(0, 135, 90, 0.1);
    color: var(--admin-success);
}

.badge-warning {
    background: rgba(255, 139, 0, 0.1);
    color: var(--admin-warning);
}

.badge-danger {
    background: rgba(222, 53, 11, 0.1);
    color: var(--admin-danger);
}

.badge-info {
    background: rgba(0, 102, 255, 0.1);
    color: var(--admin-primary);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--admin-space-lg);
    margin-bottom: var(--admin-space-2xl);
}

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

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--admin-text-primary);
    margin-bottom: var(--admin-space-xs);
}

.stat-label {
    font-size: 13px;
    color: var(--admin-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-change {
    font-size: 12px;
    margin-top: var(--admin-space-sm);
}

.stat-change.positive {
    color: var(--admin-success);
}

.stat-change.negative {
    color: var(--admin-danger);
}

/* Loading */
.loading-admin {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--admin-border);
    border-top-color: var(--admin-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Alerts */
.alert-admin {
    padding: var(--admin-space-md);
    border-radius: var(--admin-radius-md);
    margin-bottom: var(--admin-space-lg);
    font-size: 14px;
}

.alert-success {
    background: rgba(0, 135, 90, 0.1);
    color: var(--admin-success);
    border: 1px solid rgba(0, 135, 90, 0.2);
}

.alert-error {
    background: rgba(222, 53, 11, 0.1);
    color: var(--admin-danger);
    border: 1px solid rgba(222, 53, 11, 0.2);
}

.alert-info {
    background: rgba(0, 102, 255, 0.1);
    color: var(--admin-primary);
    border: 1px solid rgba(0, 102, 255, 0.2);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--admin-space-2xl);
    color: var(--admin-text-muted);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: var(--admin-space-md);
    opacity: 0.5;
}

.empty-state-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--admin-text-primary);
    margin-bottom: var(--admin-space-sm);
}

/* Responsive */
@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

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

    .admin-main {
        margin-left: 0;
        padding: var(--admin-space-lg);
    }

    .admin-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--admin-space-md);
    }

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

/* ========================================
   BADGES DE NOTIFICAÇÃO NO MENU
   ======================================== */
.nav-badge-notification {
    position: absolute;
    top: 8px;
    right: 12px;
    background: #f97316;
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    animation: pulse-badge 2s ease-in-out infinite;
    box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.4);
}

.admin-nav-link.active .nav-badge-notification {
    background: white;
    color: var(--admin-primary);
}

@keyframes pulse-badge {
    0% {
        box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.7);
    }
    70% {
        box-shadow: 0 0 0 6px rgba(249, 115, 22, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(249, 115, 22, 0);
    }
}

.admin-nav-item {
    position: relative;
}