/* =============================================
   Payment Aggregator Platform — Custom CSS
   ============================================= */

:root {
    --sidebar-width: 260px;
    --sidebar-bg: #0f172a;
    --sidebar-border: #1e293b;
    --sidebar-link: #94a3b8;
    --sidebar-link-hover: #e2e8f0;
    --sidebar-link-active: #3b82f6;
    --sidebar-section-title: #64748b;
    --topbar-bg: #1e293b;
    --content-bg: #0f172a;
    --card-bg: #1e293b;
    --card-border: #334155;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #06b6d4;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--content-bg);
    color: var(--text-primary);
    min-height: 100vh;
}

/* ---- App Layout ---- */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1040;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    color: white;
    text-decoration: none;
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.sidebar-brand i {
    font-size: 1.5rem;
    color: var(--accent);
}

.sidebar-nav {
    padding: 0.75rem 0;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.25rem;
    color: var(--sidebar-link);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.15s ease;
    border-left: 3px solid transparent;
}

.sidebar-nav .nav-link:hover {
    color: var(--sidebar-link-hover);
    background: rgba(255, 255, 255, 0.04);
}

.sidebar-nav .nav-link.active {
    color: var(--sidebar-link-active);
    background: rgba(59, 130, 246, 0.08);
    border-left-color: var(--sidebar-link-active);
}

.sidebar-nav .nav-link i {
    font-size: 1.125rem;
    width: 1.25rem;
    text-align: center;
}

.nav-section-title {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sidebar-section-title);
    padding: 1.125rem 1.25rem 0.375rem;
    list-style: none;
}

/* ---- Main Content ---- */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ---- Top Navbar ---- */
.top-navbar {
    background: var(--topbar-bg);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--sidebar-border);
    position: sticky;
    top: 0;
    z-index: 1020;
}

.page-title {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
}

.user-avatar {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

/* ---- Content Area ---- */
.content-area {
    padding: 1.5rem;
    flex: 1;
}

/* ---- Cards ---- */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.75rem;
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--card-border);
    padding: 1rem 1.25rem;
}

/* ---- Stat Cards ---- */
.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.75rem;
    padding: 1.25rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.stat-card .stat-icon {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 0.625rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-card .stat-icon.bg-accent { background: rgba(59, 130, 246, 0.15); color: var(--accent); }
.stat-card .stat-icon.bg-success { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.stat-card .stat-icon.bg-danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.stat-card .stat-icon.bg-warning { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.stat-card .stat-icon.bg-info { background: rgba(6, 182, 212, 0.15); color: var(--info); }

.stat-card .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 0.75rem;
}

.stat-card .stat-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 0.125rem;
}

/* ---- MID Health Cards ---- */
.mid-health-card {
    border-radius: 0.75rem;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
}

.mid-health-card.status-green { border-left: 4px solid var(--success); }
.mid-health-card.status-yellow { border-left: 4px solid var(--warning); }
.mid-health-card.status-red { border-left: 4px solid var(--danger); }

.progress-thin {
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
}

/* ---- Tables ---- */
.table {
    color: var(--text-primary);
}

.table th {
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom-color: var(--card-border);
}

.table td {
    font-size: 0.875rem;
    vertical-align: middle;
    border-bottom-color: var(--card-border);
}

/* ---- Badges ---- */
.badge {
    font-weight: 600;
    font-size: 0.75rem;
    padding: 0.375em 0.625em;
    border-radius: 0.375rem;
}

/* ---- Buttons ---- */
.btn-accent {
    background: var(--accent);
    color: white;
    border: none;
}

.btn-accent:hover {
    background: var(--accent-hover);
    color: white;
}

/* ---- Forms ---- */
.form-control,
.form-select {
    background: #0f172a;
    border-color: var(--card-border);
    color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
    background: #0f172a;
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.15);
}

.form-label {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ---- Auth Page ---- */
.auth-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 1.5rem;
}

.auth-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.auth-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-logo {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 0.75rem;
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.auth-header h3 {
    font-weight: 700;
    color: var(--text-primary);
}

/* ---- Sidebar Overlay (Mobile) ---- */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1030;
}

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

/* ---- Filter Bar ---- */
.filter-bar {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.75rem;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}

/* ---- Copy Button ---- */
.btn-copy {
    opacity: 0.6;
    transition: opacity 0.2s;
}

.btn-copy:hover {
    opacity: 1;
}

/* ---- Responsive ---- */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

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

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--card-border);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ---- Utility Classes ---- */
.text-accent { color: var(--accent) !important; }
.text-success-custom { color: var(--success) !important; }
.bg-card { background: var(--card-bg); }
.border-card { border-color: var(--card-border) !important; }

/* ---- DataTables Dark Theme Override ---- */
.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
    color: var(--text-secondary) !important;
    font-size: 0.875rem;
}

.dataTables_wrapper .dataTables_filter input {
    background: #0f172a;
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    border-radius: 0.375rem;
    padding: 0.375rem 0.75rem;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    color: var(--text-secondary) !important;
    border: 1px solid var(--card-border) !important;
    background: var(--card-bg) !important;
    border-radius: 0.375rem !important;
    margin: 0 0.125rem !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--accent) !important;
    color: white !important;
    border-color: var(--accent) !important;
}

/* ---- Dropdown Dark ---- */
.dropdown-menu {
    background: var(--card-bg);
    border-color: var(--card-border);
}

.dropdown-item {
    color: var(--text-primary);
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.dropdown-divider {
    border-color: var(--card-border);
}

/* ---- Timeline ---- */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0.5rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--card-border);
}

.timeline-item {
    position: relative;
    padding-bottom: 1.25rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.625rem;
    top: 0.375rem;
    width: 0.625rem;
    height: 0.625rem;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--sidebar-bg);
}

/* ---- Code block ---- */
.code-block {
    background: #0d1117;
    border: 1px solid var(--card-border);
    border-radius: 0.5rem;
    padding: 1rem;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.8125rem;
    color: #e6edf3;
    overflow-x: auto;
}