/**
 * Master-Werbe-Dashboard - Stylesheet
 * Klar, ruhig, kaufmännisch-intuitiv
 */

/* ============================================================================
   CSS Variablen
   ============================================================================ */

:root {
    /* Farben */
    --color-primary: #0d6efd;
    --color-success: #198754;
    --color-warning: #ffc107;
    --color-danger: #dc3545;
    --color-info: #0dcaf0;
    --color-light: #f8f9fa;
    --color-dark: #212529;
    --color-muted: #6c757d;
    
    /* Ampelfarben */
    --color-green: #28a745;
    --color-yellow: #ffc107;
    --color-red: #dc3545;
    --color-gray: #6c757d;
    
    /* Layout */
    --sidebar-width: 220px;
    --navbar-height: 56px;
    
    /* Schatten */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* ============================================================================
   Basis
   ============================================================================ */

html {
    font-size: 14px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f5f6fa;
    color: var(--color-dark);
}

/* ============================================================================
   Layout
   ============================================================================ */

.main-content {
    margin-top: var(--navbar-height);
    padding-top: 1rem;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: var(--navbar-height);
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 1rem 0;
    overflow-x: hidden;
    overflow-y: auto;
    background-color: #fff;
    border-right: 1px solid #dee2e6;
    width: var(--sidebar-width);
}

.sidebar-sticky {
    padding: 0 1rem;
}

.sidebar-heading {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-muted);
    padding: 0.5rem 0;
    margin-top: 1rem;
    border-bottom: 1px solid #eee;
}

.sidebar .nav-link {
    font-weight: 400;
    color: var(--color-dark);
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar .nav-link:hover {
    color: var(--color-primary);
    background: none;
}

.sidebar .nav-link.active {
    color: var(--color-primary);
    font-weight: 500;
}

.sidebar .nav-icon {
    width: 20px;
    text-align: center;
}

/* Hauptbereich */
main {
    margin-left: var(--sidebar-width);
}

/* ============================================================================
   Navbar
   ============================================================================ */

.navbar {
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    font-size: 1.1rem;
}

.brand-icon {
    font-size: 1.2rem;
}

/* ============================================================================
   Views
   ============================================================================ */

.view {
    display: none;
}

.view.active {
    display: block;
}

/* ============================================================================
   KPI Kacheln
   ============================================================================ */

.kpi-card {
    border: none;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin: 0.5rem 0;
}

.kpi-card .card-subtitle {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================================================
   Ampel-Status
   ============================================================================ */

.status-green {
    color: var(--color-green);
}

.status-yellow {
    color: var(--color-yellow);
}

.status-red {
    color: var(--color-red);
}

.status-gray {
    color: var(--color-gray);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-badge.green {
    background-color: rgba(40, 167, 69, 0.15);
    color: var(--color-green);
}

.status-badge.yellow {
    background-color: rgba(255, 193, 7, 0.2);
    color: #856404;
}

.status-badge.red {
    background-color: rgba(220, 53, 69, 0.15);
    color: var(--color-red);
}

.status-badge.gray {
    background-color: rgba(108, 117, 125, 0.15);
    color: var(--color-gray);
}

/* Status-Banner */
#status-banner {
    border-radius: 0.5rem;
}

#status-banner.status-ok {
    background-color: rgba(40, 167, 69, 0.15);
    border-color: var(--color-green);
    color: var(--color-green);
}

#status-banner.status-warning {
    background-color: rgba(255, 193, 7, 0.15);
    border-color: var(--color-yellow);
    color: #856404;
}

#status-banner.status-critical {
    background-color: rgba(220, 53, 69, 0.15);
    border-color: var(--color-red);
    color: var(--color-red);
}

/* ============================================================================
   Tabellen
   ============================================================================ */

.table {
    margin-bottom: 0;
}

.table th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-muted);
    border-bottom: 2px solid #dee2e6;
    white-space: nowrap;
}

.table td {
    vertical-align: middle;
    padding: 0.75rem;
}

.table tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

/* Aktions-Buttons in Tabellen */
.table .btn-action {
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    border-radius: 1rem;
}

.table .btn-scale {
    background-color: rgba(40, 167, 69, 0.15);
    color: var(--color-green);
    border: 1px solid var(--color-green);
}

.table .btn-stop {
    background-color: rgba(220, 53, 69, 0.15);
    color: var(--color-red);
    border: 1px solid var(--color-red);
}

.table .btn-check {
    background-color: rgba(255, 193, 7, 0.15);
    color: #856404;
    border: 1px solid var(--color-yellow);
}

.table .btn-test {
    background-color: rgba(108, 117, 125, 0.15);
    color: var(--color-gray);
    border: 1px solid var(--color-gray);
}

/* ============================================================================
   Cards
   ============================================================================ */

.card {
    border: none;
    box-shadow: var(--shadow-sm);
    border-radius: 0.5rem;
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid #eee;
    font-weight: 500;
}

/* ============================================================================
   Empfehlungs-Karten
   ============================================================================ */

.recommendation-item {
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    border-radius: 0.5rem;
    background-color: #f8f9fa;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.recommendation-item:last-child {
    margin-bottom: 0;
}

.recommendation-item .channel-name {
    font-weight: 500;
}

.recommendation-item .recommendation-detail {
    font-size: 0.85rem;
    color: var(--color-muted);
}

.recommendation-item .recommendation-action {
    font-size: 0.85rem;
    font-weight: 500;
}

/* ============================================================================
   Charts
   ============================================================================ */

canvas {
    max-height: 300px;
}

/* ============================================================================
   Modal - Ursachen-Panel
   ============================================================================ */

#reason-modal-header.status-red {
    background-color: var(--color-red);
    color: white;
}

#reason-modal-header.status-yellow {
    background-color: var(--color-yellow);
    color: #212529;
}

#reason-modal-header.status-green {
    background-color: var(--color-green);
    color: white;
}

.reason-cause-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.reason-cause-item:last-child {
    border-bottom: none;
}

.reason-action-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.reason-action-item input[type="checkbox"] {
    width: 1.2rem;
    height: 1.2rem;
}

/* ============================================================================
   Loading States
   ============================================================================ */

.loading {
    opacity: 0.5;
    pointer-events: none;
}

.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2rem;
    height: 2rem;
    margin: -1rem 0 0 -1rem;
    border: 3px solid #eee;
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================================================
   Responsive
   ============================================================================ */

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
    
    main {
        margin-left: 0;
    }
    
    .kpi-value {
        font-size: 1.5rem;
    }
}

/* ============================================================================
   Utilities
   ============================================================================ */

.text-green { color: var(--color-green) !important; }
.text-yellow { color: #856404 !important; }
.text-red { color: var(--color-red) !important; }
.text-gray { color: var(--color-gray) !important; }

.bg-green-light { background-color: rgba(40, 167, 69, 0.15) !important; }
.bg-yellow-light { background-color: rgba(255, 193, 7, 0.2) !important; }
.bg-red-light { background-color: rgba(220, 53, 69, 0.15) !important; }
.bg-gray-light { background-color: rgba(108, 117, 125, 0.15) !important; }

.fw-semibold {
    font-weight: 600;
}

.cursor-pointer {
    cursor: pointer;
}

/* Trend-Indikatoren */
.trend-up {
    color: var(--color-green);
}

.trend-up::before {
    content: "↗ ";
}

.trend-down {
    color: var(--color-red);
}

.trend-down::before {
    content: "↘ ";
}

.trend-neutral {
    color: var(--color-gray);
}

.trend-neutral::before {
    content: "→ ";
}

/* ============================================================================
   Funnel Chart
   ============================================================================ */

#chart-funnel {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 0;
}

.funnel-step {
    width: 100%;
    text-align: center;
    padding: 0.75rem;
    border-radius: 0.5rem;
    margin-bottom: 0.25rem;
    position: relative;
}

.funnel-impressions {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.funnel-clicks {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    width: 70%;
}

.funnel-conversions {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    width: 40%;
}

.funnel-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.9;
}

.funnel-value {
    font-size: 1.5rem;
    font-weight: bold;
}

.funnel-arrow {
    color: var(--color-muted);
    font-size: 0.85rem;
    padding: 0.5rem 0;
}

.funnel-arrow span {
    font-weight: bold;
    color: var(--color-dark);
}

/* Funnel Bar (optional, für visuelle Breite) */
.funnel-bar {
    display: none;
}