:root {
    --bg-base: #070a12;
    --bg-surface: #0f172a;
    --bg-surface-elevated: #1e293b;
    --bg-glass: rgba(15, 23, 42, 0.78);
    --bg-glass-card: rgba(30, 41, 59, 0.45);
    
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(0, 210, 255, 0.35);
    --border-focus: #00d2ff;
    
    --primary: #00d2ff;
    --primary-glow: rgba(0, 210, 255, 0.25);
    --secondary: #3a7bd5;
    
    --accent-emerald: #10b981;
    --accent-emerald-glow: rgba(16, 185, 129, 0.25);
    --accent-purple: #8b5cf6;
    --accent-purple-glow: rgba(139, 92, 246, 0.25);
    --accent-rose: #f43f5e;
    --accent-rose-glow: rgba(244, 63, 94, 0.25);
    --accent-amber: #f59e0b;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --radius-xl: 20px;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --shadow-glow: 0 0 25px rgba(0, 210, 255, 0.2);
}

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

body {
    background-color: var(--bg-base);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 210, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.04) 0%, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    font-family: var(--font-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-surface-elevated);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Navigation & Top Bar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-container {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: var(--shadow-glow);
    animation: pulseIcon 3s infinite alternate ease-in-out;
}

@keyframes pulseIcon {
    0% { transform: scale(1); box-shadow: 0 0 15px rgba(0, 210, 255, 0.3); }
    100% { transform: scale(1.05); box-shadow: 0 0 25px rgba(0, 210, 255, 0.6); }
}

.brand-title {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(90deg, #ffffff, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-badge {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 3px 8px;
    border-radius: 20px;
    background: rgba(0, 210, 255, 0.12);
    border: 1px solid rgba(0, 210, 255, 0.3);
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

.status-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent-emerald);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-emerald);
    box-shadow: 0 0 10px var(--accent-emerald);
    animation: blink 2s infinite ease-in-out;
}

@keyframes blink {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

.live-clock {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Layout */
.main-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
    flex: 1;
}

/* Telemetry Grid */
.telemetry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-glass-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.4rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.stat-card.featured {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.7));
    border: 1px solid rgba(0, 210, 255, 0.3);
    box-shadow: 0 0 30px rgba(0, 210, 255, 0.12);
}

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.stat-label {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-icon {
    font-size: 1.2rem;
    opacity: 0.8;
}

.stat-value {
    font-size: 1.85rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    font-family: var(--font-mono);
    color: #fff;
    margin-bottom: 0.4rem;
}

.stat-sub {
    font-size: 0.78rem;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 6px;
}

.stat-sub.positive { color: var(--accent-emerald); }
.stat-sub.warning { color: var(--accent-amber); }
.stat-sub.danger { color: var(--accent-rose); }

/* Navigation Tabs */
.tabs-container {
    display: flex;
    gap: 12px;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 1.75rem;
    padding-bottom: 0.5rem;
}

.tab-button {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-button:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.04);
}

.tab-button.active {
    color: var(--primary);
    background: rgba(0, 210, 255, 0.1);
    border: 1px solid rgba(0, 210, 255, 0.25);
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.15);
}

/* Tab Panels */
.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Section Card */
.section-card {
    background: var(--bg-glass-card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-glass);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 12px;
}

.section-title {
    font-size: 1.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    text-align: left;
}

th {
    padding: 12px 16px;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-subtle);
    font-weight: 600;
}

td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    vertical-align: middle;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

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

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

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

.badge.mono {
    background: var(--bg-surface-elevated);
    color: var(--text-muted);
    border: 1px solid var(--border-subtle);
}

.mono-cell {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--primary);
}

/* Action Buttons */
.btn {
    font-family: var(--font-main);
    font-size: 0.84rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #070a12;
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 25px rgba(0, 210, 255, 0.5);
}

.btn-secondary {
    background: var(--bg-surface-elevated);
    color: var(--text-main);
    border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 0.75rem;
}

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

.btn-danger:hover {
    background: rgba(244, 63, 94, 0.3);
}

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

/* Simulator Grid */
.sim-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 900px) {
    .sim-grid {
        grid-template-columns: 1fr;
    }
}

.sim-box {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.sim-box-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
}

.form-group {
    margin-bottom: 1.1rem;
}

.form-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: 0.88rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.25);
}

/* Live Terminal Log */
.terminal-window {
    background: #05070d;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: #a5f3fc;
    min-height: 220px;
    max-height: 380px;
    overflow-y: auto;
    line-height: 1.6;
}

.terminal-line {
    margin-bottom: 4px;
    word-break: break-all;
}

.terminal-line.success { color: var(--accent-emerald); }
.terminal-line.error { color: var(--accent-rose); }
.terminal-line.info { color: var(--primary); }
.terminal-line.warn { color: var(--accent-amber); }

/* Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 999;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal-backdrop.open {
    display: flex;
}

.modal-content {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 480px;
    padding: 1.75rem;
    box-shadow: var(--shadow-glass);
    animation: modalPop 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes modalPop {
    from { transform: scale(0.92); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 1.5rem;
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 12px 18px;
    color: var(--text-main);
    font-size: 0.85rem;
    box-shadow: var(--shadow-glass);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease;
}

.toast.success { border-left: 4px solid var(--accent-emerald); }
.toast.error { border-left: 4px solid var(--accent-rose); }
.toast.info { border-left: 4px solid var(--primary); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}