/* 3CX Anruferauswertung - Modern Design System */

/* Dark Mode Defaults */
:root,
[data-theme="dark"] {
    --bg-main: #0f172a;
    --bg-gradient: radial-gradient(circle at top left, #1e1b4b 0%, #0f172a 40%, #020617 100%);
    --bg-card: rgba(30, 41, 59, 0.7);
    --bg-card-border: rgba(255, 255, 255, 0.08);
    --bg-header: rgba(15, 23, 42, 0.85);
    --bg-input: rgba(15, 23, 42, 0.6);
    --bg-hover: rgba(51, 65, 85, 0.6);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent-blue: #38bdf8;
    --accent-indigo: #6366f1;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;
    --accent-purple: #a855f7;
    --glass-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --chart-grid: rgba(255, 255, 255, 0.05);
    --chart-text: #94a3b8;
    --bs-secondary-color: #f8fafc;
}

/* Light Mode Overrides */
[data-theme="light"] {
    --bg-main: #f8fafc;
    --bg-gradient: radial-gradient(circle at top left, #e0e7ff 0%, #f1f5f9 40%, #f8fafc 100%);
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-card-border: rgba(0, 0, 0, 0.08);
    --bg-header: rgba(255, 255, 255, 0.9);
    --bg-input: #ffffff;
    --bg-hover: #f1f5f9;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --accent-blue: #0284c7;
    --accent-indigo: #4f46e5;
    --accent-emerald: #059669;
    --accent-amber: #d97706;
    --accent-rose: #e11d48;
    --accent-purple: #9333ea;
    --glass-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
    --chart-grid: rgba(0, 0, 0, 0.06);
    --chart-text: #64748b;
    --bs-warning-rgb: 255, 13, 7;
}

body {
    background: var(--bg-gradient);
    color: var(--text-main);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    min-height: 100vh;
    margin: 0;
    padding-bottom: 3rem;
    transition: background 0.3s ease, color 0.3s ease;
}

/* Header & Navbar */
.app-header {
    background: var(--bg-header);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--bg-card-border);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
    transition: background 0.3s ease;
}

.brand-badge {
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-blue));
    color: #fff;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    display: inline-block;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* Filter Toolbar */
.filter-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--glass-shadow);
    margin-bottom: 1.5rem;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.form-control,
.form-select {
    background: var(--bg-input);
    border: 1px solid var(--bg-card-border);
    color: var(--text-main);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.9rem;
    font-size: 0.9rem;
}

.form-control:focus,
.form-select:focus {
    background: var(--bg-input);
    border-color: var(--accent-blue);
    color: var(--text-main);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.25);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-blue));
    color: #fff;
    border: none;
    font-weight: 600;
    border-radius: var(--radius-sm);
    padding: 0.6rem 1.25rem;
    transition: all 0.2s ease;
}

.btn-accent:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    color: #fff;
}

.btn-outline-glass {
    background: rgba(125, 125, 125, 0.08);
    border: 1px solid var(--bg-card-border);
    color: var(--text-main);
    border-radius: var(--radius-sm);
    padding: 0.6rem 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-outline-glass:hover {
    background: rgba(125, 125, 125, 0.18);
    color: var(--text-main);
}

/* Nav Tabs */
.nav-pills-custom {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 0.4rem;
    border: 1px solid var(--bg-card-border);
    display: flex;
    gap: 0.3rem;
    overflow-x: auto;
    transition: background 0.3s ease;
}

.nav-pills-custom .nav-link {
    color: var(--text-muted);
    border-radius: var(--radius-md);
    padding: 0.65rem 1.1rem;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.nav-pills-custom .nav-link:hover {
    color: var(--text-main);
    background: rgba(125, 125, 125, 0.1);
}

.nav-pills-custom .nav-link.active {
    background: linear-gradient(135deg, var(--accent-indigo), #4f46e5);
    color: #fff;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

/* Stat Cards */
.kpi-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--glass-shadow);
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.3s ease;
    height: 100%;
}

.kpi-card:hover {
    transform: translateY(-2px);
    border-color: rgba(99, 102, 241, 0.3);
}

.kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
}

.kpi-icon.blue {
    background: rgba(56, 189, 248, 0.15);
    color: var(--accent-blue);
}

.kpi-icon.emerald {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-emerald);
}

.kpi-icon.rose {
    background: rgba(244, 63, 94, 0.15);
    color: var(--accent-rose);
}

.kpi-icon.amber {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-amber);
}

.kpi-icon.purple {
    background: rgba(168, 85, 247, 0.15);
    color: var(--accent-purple);
}

.kpi-title {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.kpi-value {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--text-main);
}

.kpi-subtext {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}

/* Glass Content Cards & Panels */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--glass-shadow);
    margin-bottom: 1.5rem;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.panel-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

/* Custom Table Design & Sortable Columns */
.table-custom-container {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--bg-card-border);
}

.table-custom {
    color: var(--text-main);
    margin-bottom: 0;
    width: 100%;
}

.table-custom th {
    background: var(--bg-header);
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--bg-card-border);
    user-select: none;
}

.table-custom th.sortable {
    cursor: pointer;
    transition: color 0.15s ease, background 0.15s ease;
}

.table-custom th.sortable:hover {
    color: var(--text-main);
    background: var(--bg-hover);
}

.table-custom th.sortable i.sort-icon {
    opacity: 0.35;
    margin-left: 0.35rem;
    transition: opacity 0.15s ease, color 0.15s ease;
}

.table-custom th.sortable:hover i.sort-icon {
    opacity: 0.75;
}

.table-custom th.sorted-asc,
.table-custom th.sorted-desc {
    color: var(--accent-blue);
}

.table-custom th.sorted-asc i.sort-icon,
.table-custom th.sorted-desc i.sort-icon {
    opacity: 1;
    color: var(--accent-blue);
}

.table-custom td {
    padding: 0.85rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--bg-card-border);
    font-size: 0.9rem;
    background: transparent;
    color: var(--text-main);
}

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

.table-custom tbody tr:hover {
    background: var(--bg-hover) !important;
}

/* Badges */
.badge-status {
    padding: 0.35rem 0.7rem;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.badge-status.success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-status.danger {
    background: rgba(244, 63, 94, 0.15);
    color: var(--accent-rose);
    border: 1px solid rgba(244, 63, 94, 0.3);
}

.badge-status.warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-amber);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-status.info {
    background: rgba(56, 189, 248, 0.15);
    color: var(--accent-blue);
    border: 1px solid rgba(56, 189, 248, 0.3);
}

/* Pagination */
.pagination-custom .page-link {
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    color: var(--text-main);
    border-radius: var(--radius-sm);
    margin: 0 0.15rem;
    padding: 0.4rem 0.8rem;
}

.pagination-custom .page-item.active .page-link {
    background: var(--accent-indigo);
    border-color: var(--accent-indigo);
    color: #fff;
}

.pagination-custom .page-link:hover {
    background: var(--bg-hover);
    color: var(--text-main);
}

/* Theme Toggle Button */
.theme-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    color: var(--text-main);
    transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
    transform: scale(1.08);
    background: var(--bg-hover);
}

/* Spinner & Loader */
.loader-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 1rem;
    color: var(--text-muted);
}