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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1a1a1a;
    --border-color: #2a2a2a;
    --text-primary: #e5e5e5;
    --text-secondary: #888;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #22c55e;
    --danger: #ef4444;
    --danger-hover: #dc2626;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

/* Auth View */
.auth-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.auth-container h1 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
}

.auth-container .subtitle {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.tab {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: 4px;
}

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

.tab.active {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 14px;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group .hint {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Subdomain Input */
.subdomain-input {
    display: flex;
    align-items: center;
}

.subdomain-input input {
    border-radius: 4px 0 0 4px;
    border-right: none;
}

.subdomain-suffix {
    padding: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 4px 4px 0;
    color: var(--text-secondary);
    font-size: 13px;
    white-space: nowrap;
}

.form-error {
    color: var(--danger);
    font-size: 14px;
    margin-top: 16px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s;
}

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

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
}

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

.btn-danger:hover {
    background: var(--danger-hover);
}

.auth-form .btn {
    width: 100%;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.header h1 {
    font-size: 18px;
    font-weight: 600;
}

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

#user-email {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Main Content */
.main {
    max-width: 1000px;
    margin: 0 auto;
    padding: 32px;
}

.section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.section-header h2 {
    font-size: 18px;
    font-weight: 600;
}

/* Tunnels List */
.tunnels-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.empty-state {
    text-align: center;
    padding: 48px;
    color: var(--text-secondary);
}

.tunnel-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: border-color 0.2s;
}

.tunnel-item:hover {
    border-color: var(--accent);
}

.tunnel-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tunnel-name {
    font-weight: 500;
}

.tunnel-url {
    font-size: 13px;
    color: var(--text-secondary);
    font-family: monospace;
}

.tunnel-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
}

.status-dot.online {
    background: var(--success);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    z-index: 100;
    overflow-y: auto;
    padding: 40px 16px;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    width: 100%;
    max-width: 450px;
    padding: 24px;
    margin: auto;
}

.modal-content.modal-wide {
    max-width: 650px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
}

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

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
}

/* Tunnel Details */
.tunnel-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.detail-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    font-size: 14px;
}

.detail-value.token {
    background: var(--bg-tertiary);
    padding: 12px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 13px;
    word-break: break-all;
    display: block;
    margin-top: 8px;
}

/* Command Section */
.command-section {
    margin: 24px 0;
    padding: 20px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.command-section .detail-label {
    display: block;
    margin-bottom: 12px;
}

/* Platform Tabs */
.platform-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.platform-tab {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.platform-tab:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.platform-tab.active {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--accent);
}

.platform-content {
    display: block;
}

.platform-content.hidden {
    display: none;
}

/* Download Button */
.download-btn {
    display: inline-block;
    padding: 12px 24px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 16px;
    transition: background 0.2s;
}

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

.command-box {
    display: flex;
    align-items: stretch;
    gap: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
}

.command-box code {
    flex: 1;
    padding: 14px 16px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 14px;
    color: var(--text-primary);
    user-select: all;
    white-space: nowrap;
    overflow-x: auto;
}

.copy-btn {
    padding: 14px 20px;
    background: var(--accent);
    color: white;
    border: none;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

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

.copy-btn.copied {
    background: var(--success);
}

/* Analytics Section */
.analytics-section {
    margin: 16px 0;
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.analytics-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.analytics-header h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.analytics-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    text-align: center;
}

.analytics-value {
    display: block;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.analytics-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

/* Chart Containers */
.charts-row {
    display: flex;
    gap: 16px;
    margin-top: 16px;
}

.chart-container {
    padding: 16px;
    background: var(--bg-primary);
    border-radius: 6px;
    height: 200px;
}

.chart-container.chart-main {
    flex: 2;
}

.chart-container.chart-small {
    flex: 1;
    min-width: 180px;
}

@media (max-width: 700px) {
    .charts-row {
        flex-direction: column;
    }
    .chart-container.chart-small {
        height: 180px;
    }
}

/* Time Range Select */
.analytics-controls {
    display: flex;
    gap: 8px;
    align-items: center;
}

.time-range-select {
    padding: 6px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 12px;
    cursor: pointer;
}

.time-range-select:focus {
    outline: none;
    border-color: var(--accent);
}

/* Top Paths */
.top-paths-section {
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-primary);
    border-radius: 6px;
}

.top-paths-section h4 {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.top-paths-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 200px;
    overflow-y: auto;
}

.top-paths-empty {
    color: var(--text-secondary);
    font-size: 13px;
    text-align: center;
    padding: 16px;
}

.top-path-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 12px;
}

.top-path-rank {
    color: var(--text-secondary);
    min-width: 20px;
}

.top-path-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-primary);
}

.top-path-hits {
    color: var(--accent);
    font-weight: 500;
}

.top-path-latency {
    color: var(--text-secondary);
    font-size: 11px;
}

/* Live Feed */
.live-feed-section {
    margin: 16px 0;
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

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

.live-feed-header h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.live-indicator {
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.live-indicator::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
}

.live-indicator.connected::before {
    background: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.live-feed {
    max-height: 200px;
    overflow-y: auto;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 12px;
}

.live-feed-empty {
    color: var(--text-secondary);
    text-align: center;
    padding: 24px;
}

.live-feed-item {
    display: flex;
    gap: 12px;
    padding: 8px 12px;
    background: var(--bg-primary);
    border-radius: 4px;
    margin-bottom: 4px;
    align-items: center;
}

.live-feed-item .method {
    font-weight: 600;
    min-width: 50px;
}

.live-feed-item .method.GET { color: #22c55e; }
.live-feed-item .method.POST { color: #3b82f6; }
.live-feed-item .method.PUT { color: #f59e0b; }
.live-feed-item .method.DELETE { color: #ef4444; }

.live-feed-item .path {
    flex: 1;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.live-feed-item .status {
    min-width: 40px;
    text-align: right;
}

.live-feed-item .status.success { color: #22c55e; }
.live-feed-item .status.error { color: #ef4444; }

.live-feed-item .time {
    color: var(--text-secondary);
    min-width: 60px;
    text-align: right;
}

/* Tunnel item stats */
.tunnel-stats {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.tunnel-stat {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Settings Row */
.settings-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin: 16px 0;
}

.setting-section {
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.setting-section .hint {
    display: block;
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 4px;
    word-wrap: break-word;
}

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

.setting-header h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.setting-status {
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 4px;
    background: var(--bg-primary);
    color: var(--text-secondary);
}

.setting-status.enabled {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.setting-form {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.setting-form input {
    flex: 1 1 80px;
    padding: 8px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
    min-width: 0;
    max-width: 100%;
}

.setting-form input:focus {
    outline: none;
    border-color: var(--accent);
}

.setting-form .btn {
    flex-shrink: 0;
}

@media (max-width: 600px) {
    .settings-row {
        grid-template-columns: 1fr;
    }
}

/* Custom Domain Section */
.custom-domain-section {
    margin: 16px 0;
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.custom-domain-section .hint {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.custom-domain-form {
    margin-bottom: 12px;
}

.custom-domain-form .setting-form input {
    max-width: 250px;
}

.domain-verification {
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-primary);
    border-radius: 6px;
}

.domain-verification.hidden {
    display: none;
}

.verification-info {
    margin-bottom: 12px;
}

.verification-info p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.dns-record {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    font-size: 13px;
    align-items: center;
}

.dns-label {
    color: var(--text-secondary);
}

.dns-record code {
    background: var(--bg-tertiary);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 12px;
    color: var(--text-primary);
}

.verification-result {
    display: inline-block;
    margin-left: 12px;
    font-size: 13px;
}

.verification-result.success {
    color: var(--success);
}

.verification-result.error {
    color: var(--danger);
}

.verification-result.pending {
    color: var(--text-secondary);
}

/* Token Details */
.token-details {
    margin-top: 16px;
}

.token-details summary {
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 13px;
}

.token-details summary:hover {
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 600px) {
    .auth-container {
        margin: 20px;
        padding: 24px;
    }

    .header {
        padding: 16px;
    }

    .main {
        padding: 16px;
    }

    .section {
        padding: 16px;
    }

    .modal-content {
        margin: 16px;
    }

    .analytics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}