:root {
    --bg-gradient: linear-gradient(135deg, #091020 0%, #0d1b2a 100%);
    --panel-bg: rgba(16, 25, 45, 0.7);
    --panel-bg-hover: rgba(23, 36, 64, 0.8);
    --panel-border: rgba(255, 255, 255, 0.08);
    --panel-border-glow: rgba(0, 210, 255, 0.3);
    --neon-blue: #00d2ff;
    --neon-purple: #9b51e0;
    --neon-green: #00ff88;
    --text-primary: #ffffff;
    --text-secondary: #8b9bb4;
    --text-muted: #5e6e8c;
    --danger: #ff4757;
    --danger-bg: rgba(255, 71, 87, 0.15);
    --success: #2ed573;
    --success-bg: rgba(46, 213, 115, 0.15);
    --warning: #ffa502;
    --warning-bg: rgba(255, 165, 2, 0.15);
    --font-main: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --border-radius-sm: 8px;
    --border-radius: 14px;
    --border-radius-lg: 20px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: var(--font-main);
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    font-size: 14px;
    line-height: 1.5;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: rgba(9, 16, 32, 0.6);
}
::-webkit-scrollbar-thumb {
    background: var(--neon-blue);
    border-radius: 10px;
}

.app-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Glassmorphism Panel */
.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--panel-border);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.glow-text {
    color: var(--neon-blue);
    text-shadow: 0 0 12px rgba(0, 210, 255, 0.6);
}

.neon-text {
    color: var(--neon-purple);
    text-shadow: 0 0 12px rgba(155, 81, 224, 0.6);
}

/* NAVBAR */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 28px;
    height: 72px;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    position: sticky;
    top: 0;
    z-index: 100;
    margin-bottom: 24px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: rgba(0, 210, 255, 0.1);
    border: 1px solid rgba(0, 210, 255, 0.3);
    border-radius: 12px;
}

.logo h1 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #ffffff 0%, #00d2ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.badge-saas {
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.4);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.backend-status {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--panel-border);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

/* MAIN LAYOUT */
.main-content {
    flex: 1;
    padding: 0 28px 40px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* PAGE NAVIGATION TABS */
.nav-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 12px;
}

.tab-btn {
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--panel-border);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn:hover {
    background: rgba(0, 210, 255, 0.1);
    color: #fff;
    border-color: var(--neon-blue);
}

.tab-btn.active {
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.2), rgba(155, 81, 224, 0.2));
    border-color: var(--neon-blue);
    color: #fff;
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.2);
}

/* CONFIGURATION MODAL INNER TABS */
.cfg-tabs {
    display: flex;
    gap: 8px;
    background: rgba(0, 0, 0, 0.4);
    padding: 6px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 20px;
    overflow-x: auto;
}

.cfg-tab-item {
    padding: 8px 16px;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
}

.cfg-tab-item:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.cfg-tab-item.active {
    background: var(--neon-blue);
    color: #040914;
    font-weight: 700;
    box-shadow: 0 2px 10px rgba(0, 210, 255, 0.4);
}

/* SECTION TITLE & HEADER */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 24px;
}

.page-title h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-title p {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 4px;
}

/* METRICS STAT CARDS */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-bottom: 28px;
}

.stat-card {
    padding: 20px 24px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--panel-border-glow);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--neon-blue);
    border-radius: 4px 0 0 4px;
}

.stat-card.active-card::after { background: var(--success); }
.stat-card.paused-card::after { background: var(--danger); }
.stat-card.warning-card::after { background: var(--warning); }
.stat-card.purple-card::after { background: var(--neon-purple); }

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.stat-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-icon {
    font-size: 20px;
    opacity: 0.85;
}

.stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.stat-desc {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 8px;
}

/* SUBSCRIPTION PLANS GRID */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.plan-card {
    padding: 28px;
    text-align: center;
    position: relative;
    transition: var(--transition);
}

.plan-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-blue);
    box-shadow: 0 10px 30px rgba(0, 210, 255, 0.2);
}

.plan-card.featured {
    border-color: var(--neon-purple);
    background: rgba(155, 81, 224, 0.08);
}

.plan-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    background: var(--neon-purple);
    color: #fff;
    font-size: 10px;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 12px;
    text-transform: uppercase;
}

.plan-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}

.plan-price {
    font-size: 32px;
    font-weight: 800;
    color: var(--neon-blue);
    margin-bottom: 6px;
}

.plan-price span {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 400;
}

.plan-duration {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* CONTROLS TOOLBAR */
.toolbar-panel {
    padding: 16px 24px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 260px;
    max-width: 450px;
}

.search-input {
    width: 100%;
    padding: 10px 16px 10px 40px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--panel-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.2);
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.select-filter {
    padding: 10px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--panel-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
}

.select-filter option {
    background: #0d1b2a;
    color: var(--text-primary);
}

.select-filter:focus {
    border-color: var(--neon-blue);
}

/* BUTTONS */
.btn {
    padding: 10px 18px;
    border-radius: var(--border-radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    outline: none;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-blue), #0088ff);
    color: #040914;
    box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 210, 255, 0.5);
    background: linear-gradient(135deg, #33dcff, #1a94ff);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-outline {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--panel-border);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
    background: var(--danger-bg);
    border: 1px solid rgba(255, 71, 87, 0.4);
    color: var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: #fff;
    box-shadow: 0 4px 15px rgba(255, 71, 87, 0.4);
}

.btn-success {
    background: var(--success-bg);
    border: 1px solid rgba(46, 213, 115, 0.4);
    color: var(--success);
}

.btn-success:hover {
    background: var(--success);
    color: #040914;
}

.btn-warning {
    background: var(--warning-bg);
    border: 1px solid rgba(255, 165, 2, 0.4);
    color: var(--warning);
}

.btn-warning:hover {
    background: var(--warning);
    color: #040914;
}

.btn-purple {
    background: rgba(155, 81, 224, 0.15);
    border: 1px solid rgba(155, 81, 224, 0.4);
    color: var(--neon-purple);
}

.btn-purple:hover {
    background: var(--neon-purple);
    color: #fff;
}

.btn-icon {
    width: 34px;
    height: 34px;
    padding: 0;
    border-radius: 8px;
    font-size: 14px;
}

/* DATA TABLE */
.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius);
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.custom-table th {
    background: rgba(0, 0, 0, 0.4);
    padding: 16px 20px;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    border-bottom: 1px solid var(--panel-border);
    white-space: nowrap;
}

.custom-table td {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    vertical-align: middle;
}

.custom-table tbody tr {
    transition: var(--transition);
}

.custom-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

/* STATUS BADGES & REMAINING DAYS */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.active {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(46, 213, 115, 0.3);
}

.status-badge.paused {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(255, 71, 87, 0.3);
}

.days-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
}

.days-badge.good {
    background: var(--success-bg);
    color: var(--success);
}

.days-badge.warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.days-badge.expired {
    background: var(--danger-bg);
    color: var(--danger);
}

/* BUILD STATUS BADGES */
.build-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.build-badge.pending {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid rgba(255, 165, 2, 0.3);
}

.build-badge.building {
    background: rgba(0, 210, 255, 0.15);
    color: var(--neon-blue);
    border: 1px solid rgba(0, 210, 255, 0.3);
}

.build-badge.success {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(46, 213, 115, 0.3);
}

.build-badge.failed {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(255, 71, 87, 0.3);
}

/* TERMINAL LOGS VIEWER */
.terminal-logs {
    background: #040810;
    color: #00ff88;
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
    line-height: 1.6;
    padding: 16px;
    border-radius: 10px;
    border: 1px solid rgba(0, 210, 255, 0.2);
    height: 240px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.8);
}

/* API KEY MASK & COPY BUTTONS */
.api-key-box {
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
    background: rgba(0, 0, 0, 0.4);
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--neon-blue);
}

.copy-btn {
    cursor: pointer;
    background: transparent;
    border: none;
    color: var(--text-muted);
    transition: var(--transition);
}

.copy-btn:hover {
    color: var(--neon-blue);
}

/* ACTIONS COLUMN */
.actions-cell {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: nowrap;
}

/* MODALS */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(4, 9, 20, 0.85);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    width: 100%;
    max-width: 580px;
    background: rgba(16, 25, 45, 0.95);
    border: 1px solid var(--panel-border-glow);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
    transform: translateY(20px);
    transition: var(--transition);
    overflow: hidden;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-card.large-modal {
    max-width: 840px;
}

.modal-overlay.active .modal-card {
    transform: translateY(0);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
}

.close-btn:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--panel-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.2);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.toggle-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--panel-border);
    border-radius: var(--border-radius-sm);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(255, 255, 255, 0.2);
    transition: .3s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--neon-blue);
}

input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

.modal-footer {
    padding: 16px 24px;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid var(--panel-border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* AUTH LOGIN OVERLAY */
.auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--bg-gradient);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    padding: 36px;
    text-align: center;
}

.auth-card .logo-icon {
    width: 60px;
    height: 60px;
    font-size: 32px;
    margin: 0 auto 16px;
}

.auth-card h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.auth-card p {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 28px;
}

/* TOAST NOTIFICATIONS */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: rgba(16, 25, 45, 0.95);
    border: 1px solid var(--panel-border-glow);
    border-radius: var(--border-radius-sm);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    color: var(--text-primary);
    font-size: 13px;
    min-width: 280px;
    animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--neon-blue); }

/* LOADING SPINNER */
.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

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

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.hidden {
    display: none !important;
}