/* ═══════════════════════════════════════════════════════════════
   FOSSBILLING CYBERPUNK THEME v2.0
   ═══════════════════════════════════════════════════════════════ */

:root {
    --bg: #070b14;
    --surface: #0f1623;
    --surface-hover: #141d2e;
    --surface-elevated: #1a2332;
    --border: #1e293b;
    --border-hover: #334155;
    --text: #f0f9ff;
    --text-2: #94a3b8;
    --text-3: #64748b;
    --accent: #0ea5e9;
    --accent-light: #38bdf8;
    --accent-glow: rgba(14, 165, 233, 0.4);
    --accent-subtle: rgba(14, 165, 233, 0.08);
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.35);
    --success-bg: rgba(16, 185, 129, 0.08);
    --warning: #f59e0b;
    --warning-glow: rgba(245, 158, 11, 0.35);
    --warning-bg: rgba(245, 158, 11, 0.08);
    --danger: #f43f5e;
    --danger-glow: rgba(244, 63, 94, 0.35);
    --danger-bg: rgba(244, 63, 94, 0.08);
    --purple: #a855f7;
    --space-3xs: clamp(0.125rem, 0.3vw, 0.25rem);
    --space-2xs: clamp(0.25rem, 0.5vw, 0.375rem);
    --space-xs: clamp(0.375rem, 0.7vw, 0.5rem);
    --space-sm: clamp(0.5rem, 1vw, 0.75rem);
    --space-md: clamp(0.75rem, 1.5vw, 1rem);
    --space-lg: clamp(1rem, 2vw, 1.5rem);
    --space-xl: clamp(1.5rem, 3vw, 2rem);
    --space-2xl: clamp(2rem, 4vw, 3rem);
    --text-2xs: clamp(0.5625rem, 1vw, 0.625rem);
    --text-xs: clamp(0.625rem, 1.1vw, 0.75rem);
    --text-sm: clamp(0.75rem, 1.3vw, 0.875rem);
    --text-base: clamp(0.8125rem, 1.5vw, 0.9375rem);
    --text-lg: clamp(0.9375rem, 1.8vw, 1.0625rem);
    --text-xl: clamp(1.125rem, 2.2vw, 1.25rem);
    --text-2xl: clamp(1.5rem, 3.5vw, 2.5rem);
    --text-3xl: clamp(1.875rem, 4.5vw, 3.5rem);
}

body {
    background: var(--bg) !important;
    color: var(--text) !important;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { background-position: 0 0; }
    100% { background-position: 60px 60px; }
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

.card, .panel, .well, .box {
    background: linear-gradient(145deg, var(--surface) 0%, var(--surface-elevated) 100%) !important;
    border: 1px solid var(--border) !important;
    border-radius: 16px !important;
    box-shadow: none !important;
    color: var(--text) !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover, .panel:hover {
    border-color: var(--border-hover) !important;
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(14, 165, 233, 0.06), 0 20px 50px -10px rgba(0, 0, 0, 0.4) !important;
}

.table {
    background: var(--surface);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.table thead th {
    background: var(--surface-elevated);
    color: var(--text-2);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
    border-bottom: 1px solid var(--border);
    padding: var(--space-md) var(--space-lg);
}

.table tbody td {
    color: var(--text);
    border-bottom: 1px solid var(--border);
    padding: var(--space-md) var(--space-lg);
    font-size: var(--text-base);
}

.table tbody tr:hover td {
    background: rgba(14, 165, 233, 0.03);
}

.form-control, input, select, textarea {
    background: var(--surface) !important;
    border: 1px solid var(--border) !important;
    border-radius: 10px !important;
    color: var(--text) !important;
    padding: clamp(0.5rem, 1.2vw, 0.625rem) clamp(0.75rem, 1.5vw, 1rem) !important;
    font-size: var(--text-base);
    transition: all 0.3s ease;
}

.form-control:focus, input:focus, select:focus, textarea:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15), 0 0 20px rgba(14, 165, 233, 0.1) !important;
    outline: none !important;
}

.form-label, label {
    color: var(--text-3) !important;
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.btn {
    border-radius: 10px !important;
    font-weight: 600 !important;
    font-size: var(--text-sm) !important;
    padding: clamp(0.5rem, 1.2vw, 0.625rem) clamp(1rem, 2vw, 1.25rem) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    min-height: 44px;
    position: relative;
    overflow: hidden;
}

.btn-primary, .btn-success {
    background: linear-gradient(135deg, var(--accent) 0%, #0284c7 100%) !important;
    border: none !important;
    color: #fff !important;
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.2), 0 4px 6px rgba(0, 0, 0, 0.1) !important;
}

.btn-primary:hover, .btn-success:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 0 30px var(--accent-glow), 0 8px 25px rgba(14, 165, 233, 0.3) !important;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #e11d48 100%) !important;
    border: none !important;
    box-shadow: 0 0 20px rgba(244, 63, 94, 0.2) !important;
}

.btn-danger:hover {
    box-shadow: 0 0 30px var(--danger-glow) !important;
    transform: translateY(-2px) !important;
}

.btn-default, .btn-secondary {
    background: var(--surface-elevated) !important;
    border: 1px solid var(--border) !important;
    color: var(--text-2) !important;
}

.btn-default:hover, .btn-secondary:hover {
    background: var(--surface-hover) !important;
    border-color: var(--border-hover) !important;
    color: var(--text) !important;
}

.navbar, .nav-header, .sidebar {
    background: linear-gradient(180deg, var(--surface) 0%, rgba(15, 22, 35, 0.95) 100%) !important;
    border-bottom: 1px solid var(--border) !important;
    backdrop-filter: blur(20px);
}

.nav-link, .navbar a {
    color: var(--text-2) !important;
    font-weight: 500;
    font-size: var(--text-sm);
    transition: all 0.2s ease;
    border-radius: 8px;
    padding: var(--space-sm) var(--space-md) !important;
}

.nav-link:hover, .navbar a:hover, .nav-link.active {
    color: var(--accent-light) !important;
    background: var(--accent-subtle) !important;
}

.sidebar {
    background: var(--surface) !important;
    border-right: 1px solid var(--border) !important;
}

.sidebar .nav-item a {
    color: var(--text-2) !important;
    border-radius: 10px;
    margin: 2px 8px;
    padding: var(--space-sm) var(--space-md) !important;
    font-size: var(--text-sm);
    font-weight: 500;
}

.sidebar .nav-item a:hover, .sidebar .nav-item.active a {
    background: linear-gradient(135deg, var(--accent-subtle) 0%, rgba(168, 85, 247, 0.05) 100%) !important;
    color: var(--accent-light) !important;
    border: 1px solid rgba(14, 165, 233, 0.15);
}

.dropdown-menu {
    background: var(--surface-elevated) !important;
    border: 1px solid var(--border) !important;
    border-radius: 12px !important;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5) !important;
    backdrop-filter: blur(20px);
}

.dropdown-item {
    color: var(--text-2) !important;
    font-size: var(--text-sm);
    padding: var(--space-sm) var(--space-md) !important;
    border-radius: 8px;
    margin: 2px 6px;
    width: auto;
}

.dropdown-item:hover {
    background: var(--accent-subtle) !important;
    color: var(--accent-light) !important;
}

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

.modal-content {
    background: linear-gradient(145deg, var(--surface) 0%, var(--surface-elevated) 100%) !important;
    border: 1px solid var(--border) !important;
    border-radius: 20px !important;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6) !important;
}

.modal-header { border-bottom: 1px solid var(--border) !important; }
.modal-footer { border-top: 1px solid var(--border) !important; }

.alert {
    border-radius: 12px !important;
    border: 1px solid !important;
    font-size: var(--text-sm);
    font-weight: 500;
}

.alert-success {
    background: var(--success-bg) !important;
    color: var(--success) !important;
    border-color: rgba(16, 185, 129, 0.25) !important;
}

.alert-warning {
    background: var(--warning-bg) !important;
    color: var(--warning) !important;
    border-color: rgba(245, 158, 11, 0.25) !important;
}

.alert-danger {
    background: var(--danger-bg) !important;
    color: var(--danger) !important;
    border-color: rgba(244, 63, 94, 0.25) !important;
}

.pagination .page-link {
    background: var(--surface) !important;
    border: 1px solid var(--border) !important;
    color: var(--text-2) !important;
    border-radius: 8px !important;
    margin: 0 3px;
    font-size: var(--text-sm);
    font-weight: 600;
    min-width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination .page-link:hover {
    background: var(--surface-hover) !important;
    border-color: var(--accent) !important;
    color: var(--accent-light) !important;
}

.pagination .active .page-link {
    background: linear-gradient(135deg, var(--accent) 0%, #0284c7 100%) !important;
    border-color: var(--accent) !important;
    color: #fff !important;
    box-shadow: 0 0 15px var(--accent-glow);
}

.badge {
    font-size: var(--text-2xs) !important;
    font-weight: 700 !important;
    letter-spacing: 0.04em !important;
    text-transform: uppercase;
    padding: clamp(0.25rem, 0.6vw, 0.35rem) clamp(0.5rem, 1.2vw, 0.75rem) !important;
    border-radius: 8px !important;
}

.breadcrumb {
    background: transparent !important;
    padding: var(--space-sm) 0 !important;
    font-size: var(--text-sm);
}

.breadcrumb-item a {
    color: var(--text-3) !important;
    transition: color 0.2s ease;
}

.breadcrumb-item a:hover {
    color: var(--accent-light) !important;
}

.breadcrumb-item.active {
    color: var(--text) !important;
    font-weight: 600;
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--text-3) !important;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text) !important;
    font-weight: 700 !important;
    letter-spacing: -0.02em;
}

h1 {
    font-size: var(--text-2xl) !important;
    background: linear-gradient(135deg, var(--text) 0%, var(--accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

a {
    color: var(--accent-light) !important;
    transition: all 0.2s ease;
}

a:hover {
    color: #fff !important;
    text-shadow: 0 0 10px var(--accent-glow);
}

.footer, .page-footer {
    background: var(--surface) !important;
    border-top: 1px solid var(--border) !important;
    color: var(--text-3) !important;
    font-size: var(--text-sm);
}

@keyframes cardEnter {
    from { opacity: 0; transform: translateY(30px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes headerLine {
    0% { width: 80px; opacity: 0.5; }
    100% { width: 200px; opacity: 1; }
}

@keyframes pulseGlow {
    0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 8px var(--warning-glow); }
    50% { opacity: 0.6; transform: scale(0.85); box-shadow: 0 0 4px var(--warning-glow); }
}

.cyber-card {
    opacity: 0;
    animation: cardEnter 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@media (max-width: 768px) {
    body::before { background-size: 40px 40px; }
    .card, .panel { border-radius: 12px !important; }
    .table { font-size: var(--text-sm); }
    .table thead th, .table tbody td { padding: var(--space-sm) var(--space-md) !important; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    body::before { animation: none; }
}