/* VS Code Dark Theme */
:root {
    --bg-primary: #1e1e1e;
    --bg-secondary: #252526;
    --bg-tertiary: #2d2d2d;
    --bg-hover: #2a2d2e;
    --bg-active: #37373d;
    --bg-selection: #264f78;

    --border-color: #3c3c3c;
    --border-light: #474747;

    --text-primary: #cccccc;
    --text-secondary: #858585;
    --text-muted: #6e6e6e;

    --accent-blue: #007acc;
    --accent-blue-hover: #1c97ea;
    --accent-green: #4ec9b0;
    --accent-yellow: #dcdcaa;
    --accent-orange: #ce9178;
    --accent-red: #f14c4c;
    --accent-purple: #c586c0;

    --scrollbar-bg: #1e1e1e;
    --scrollbar-thumb: #424242;
    --scrollbar-thumb-hover: #4f4f4f;

    --font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Consolas', 'Courier New', monospace;

    --sidebar-width: 280px;
    --statusbar-height: 22px;
}

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

body {
    font-family: var(--font-family);
    font-size: 13px;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 0;
}

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

/* Layout */
.app {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.app > .sidebar,
.app > .main {
    flex: 1;
}

.app {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-rows: 1fr var(--statusbar-height);
    grid-template-areas:
        "sidebar main"
        "statusbar statusbar";
}

/* Sidebar */
.sidebar {
    grid-area: sidebar;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    padding: 10px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.sidebar-actions {
    display: flex;
    gap: 4px;
}

.proxy-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

.proxy-item {
    padding: 6px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: grab;
    border-left: 2px solid transparent;
    transition: background 0.1s;
}

.proxy-item:hover {
    background: var(--bg-hover);
}

.proxy-item.dragging {
    opacity: 0.5;
    background: var(--bg-active);
}

.proxy-item .proxy-icon {
    width: 16px;
    height: 16px;
    color: var(--accent-blue);
    flex-shrink: 0;
}

.proxy-item.socks5 .proxy-icon {
    color: var(--accent-orange);
}

.proxy-item .proxy-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
}

.proxy-item .proxy-delete {
    opacity: 0;
    color: var(--text-muted);
    transition: opacity 0.1s;
}

.proxy-item:hover .proxy-delete {
    opacity: 1;
}

.proxy-item .proxy-delete:hover {
    color: var(--accent-red);
}

/* Main */
.main {
    grid-area: main;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Chains Panel */
.chains-panel {
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.panel-header {
    padding: 8px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-header h2 {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.chains-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 16px 12px;
    max-height: 120px;
    overflow-y: auto;
}

.chain-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px 12px;
    min-width: 180px;
    cursor: pointer;
    transition: border-color 0.1s;
}

.chain-card:hover {
    border-color: var(--border-light);
}

.chain-card.active {
    border-color: var(--accent-blue);
}

.chain-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.chain-card-name {
    font-weight: 500;
    color: var(--text-primary);
}

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

.chain-card-status.running {
    background: var(--accent-green);
}

.chain-card-info {
    font-size: 11px;
    color: var(--text-secondary);
}

.chain-card-actions {
    display: flex;
    gap: 4px;
    margin-top: 8px;
}

/* Chain Editor */
.chain-editor {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.editor-header {
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.chain-name-input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 500;
    width: 300px;
    padding: 4px 0;
    outline: none;
    border-bottom: 1px solid transparent;
}

.chain-name-input:focus {
    border-bottom-color: var(--accent-blue);
}

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

.port-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 12px;
}

.port-input {
    width: 70px;
    padding: 4px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    color: var(--text-primary);
    font-size: 12px;
}

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

/* Chain Builder */
.chain-builder {
    flex: 1;
    padding: 24px;
    overflow: auto;
    background: var(--bg-primary);
}

.chain-info {
    text-align: center;
    padding: 12px;
    margin-bottom: 16px;
}

.info-text {
    color: var(--text-muted);
    font-size: 12px;
}

.chain-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    min-height: 100px;
    padding: 20px;
}

.chain-start,
.chain-end {
    flex-shrink: 0;
}

.chain-nodes {
    display: flex;
    align-items: center;
    gap: 0;
    min-width: 150px;
    flex-wrap: nowrap;
}

/* Nodes */
.node {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    min-width: 100px;
    position: relative;
}

.node-icon {
    width: 24px;
    height: 24px;
    margin-bottom: 6px;
    color: var(--accent-blue);
}

.node-local .node-icon {
    color: var(--accent-green);
}

.node-internet .node-icon {
    color: var(--accent-purple);
}

.node-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary);
}

.node-port {
    font-size: 10px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.node-proxy {
    cursor: grab;
    transition: transform 0.1s, box-shadow 0.1s;
}

.node-proxy:hover {
    border-color: var(--accent-blue);
}

.node-proxy.socks5 {
    border-color: var(--accent-orange);
}

.node-proxy.socks5:hover {
    border-color: var(--accent-orange);
}

.node-proxy .node-icon {
    color: var(--accent-blue);
}

.node-proxy.socks5 .node-icon {
    color: var(--accent-orange);
}

.node-remove {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 18px;
    height: 18px;
    background: var(--accent-red);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.1s;
}

.node-proxy:hover .node-remove {
    opacity: 1;
}

/* Arrows */
.arrow {
    width: 40px;
    height: 2px;
    background: var(--border-light);
    position: relative;
    flex-shrink: 0;
}

.arrow::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-left-color: var(--border-light);
}

/* Drop Zone */
.drop-zone {
    min-width: 100px;
    min-height: 80px;
    border: 2px dashed var(--border-color);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 11px;
    transition: border-color 0.2s, background 0.2s;
    margin: 0 4px;
}

.drop-zone.drag-over {
    border-color: var(--accent-blue);
    background: rgba(0, 122, 204, 0.1);
}

.drop-zone.empty-zone {
    min-width: 150px;
}

/* Config Preview */
.config-preview {
    height: 200px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
}

.preview-header {
    padding: 6px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-size: 11px;
    color: var(--text-secondary);
}

.config-preview pre {
    flex: 1;
    margin: 0;
    padding: 12px;
    overflow: auto;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.5;
    color: var(--text-primary);
}

.config-preview code {
    color: var(--accent-yellow);
}

/* Status Bar */
.statusbar {
    grid-area: statusbar;
    height: var(--statusbar-height);
    background: var(--accent-blue);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10px;
    font-size: 12px;
    color: white;
}

/* Buttons */
.btn {
    padding: 6px 12px;
    border: none;
    border-radius: 3px;
    font-size: 12px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.1s;
}

.btn svg {
    width: 14px;
    height: 14px;
}

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

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

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

.btn-secondary:hover {
    background: var(--bg-active);
}

.btn-success {
    background: #388a34;
    color: white;
}

.btn-success:hover {
    background: #45a33f;
}

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

.btn-danger:hover {
    background: #ff6b6b;
}

.btn-icon {
    padding: 4px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 3px;
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-icon svg {
    width: 16px;
    height: 16px;
}

.btn-sm {
    padding: 3px 8px;
    font-size: 11px;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    width: 500px;
    max-width: 90%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.modal-header {
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 14px;
    font-weight: 500;
}

.modal-body {
    padding: 16px;
    overflow-y: auto;
}

.modal-footer {
    padding: 12px 16px;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    border-top: 1px solid var(--border-color);
}

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

.tab {
    padding: 6px 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: color 0.1s, border-color 0.1s;
}

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

.tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent-blue);
}

.tab-content {
    display: none;
}

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

/* Forms */
.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 8px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: var(--font-mono);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 60px;
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row .form-group {
    flex: 1;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

/* Proxy Sections */
.proxy-section {
    margin-bottom: 4px;
}

.section-header {
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.section-header:hover {
    background: var(--bg-hover);
}

.section-toggle {
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
    transition: transform 0.2s;
}

.proxy-section.collapsed .section-toggle {
    transform: rotate(-90deg);
}

.section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.section-count {
    font-size: 11px;
    color: var(--text-muted);
    margin-left: auto;
}

.section-content {
    max-height: 1000px;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.proxy-section.collapsed .section-content {
    max-height: 0;
}

/* Status Dots */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-dot.active {
    background: var(--accent-green);
}

.status-dot.failed {
    background: var(--accent-red);
}

.status-dot.checking {
    background: var(--accent-yellow);
    animation: pulse 1s infinite;
}

.status-dot.unchecked {
    background: var(--text-muted);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Proxy Item Extended */
.proxy-item {
    flex-wrap: wrap;
}

.proxy-text {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.proxy-info {
    width: 100%;
    display: flex;
    gap: 8px;
    margin-top: 2px;
    padding-left: 24px;
    font-size: 11px;
    color: var(--text-secondary);
}

.proxy-geo {
    color: var(--accent-green);
}

.proxy-speed {
    color: var(--accent-blue);
}

.proxy-error {
    color: var(--accent-red);
    font-size: 10px;
}

/* Check Options */
.check-options {
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 14px;
    height: 14px;
    cursor: pointer;
}

.check-progress {
    flex: 1;
    text-align: right;
    font-size: 11px;
    color: var(--text-muted);
}

.check-progress.active {
    color: var(--accent-yellow);
}

/* Modal Wide */
.modal-wide .modal-content {
    width: 600px;
}

/* Form Hint */
.form-hint {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Import Tabs */
.import-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 16px;
}

.import-tab {
    padding: 8px 16px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.2s;
}

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

.import-tab.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

.import-tab-content {
    display: none;
}

.import-tab-content.active {
    display: block;
}

/* Section Actions */
.section-actions {
    display: flex;
    gap: 4px;
    margin-left: 8px;
}

/* Button Warning */
.btn-warning {
    background: #b5862a;
    color: white;
}

.btn-warning:hover {
    background: #d19a2f;
}

/* No items message */
.no-items {
    padding: 16px 12px;
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
}

/* ============================================
   PUBLIC & ADMIN PAGE STYLES
   ============================================ */

/* Public App Layout */
.public-app,
.admin-app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Headers */
.public-header,
.admin-header {
    padding: 16px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.header-content h1 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.header-stats {
    display: flex;
    gap: 16px;
}

.header-stats .stat {
    font-size: 13px;
    color: var(--text-secondary);
}

.header-stats .stat.active span {
    color: var(--accent-green);
    font-weight: 600;
}

.header-stats .stat.failed span {
    color: var(--accent-red);
    font-weight: 600;
}

.header-stats .stat.total span {
    color: var(--accent-blue);
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* Filters Bar */
.filters-bar {
    padding: 12px 24px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-group label {
    font-size: 12px;
    color: var(--text-secondary);
}

.filter-group select,
.filter-group input {
    padding: 6px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 12px;
    min-width: 120px;
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.filter-actions {
    margin-left: auto;
    display: flex;
    gap: 8px;
}

.last-check {
    font-size: 12px;
    color: var(--text-muted);
    margin-left: auto;
}

/* Table Container */
.table-container {
    flex: 1;
    overflow: auto;
    padding: 0;
}

/* Profiles Table */
.profiles-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.profiles-table thead {
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 10;
}

.profiles-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.profiles-table th.sortable {
    cursor: pointer;
    user-select: none;
}

.profiles-table th.sortable:hover {
    color: var(--text-primary);
}

.profiles-table th.sortable::after {
    content: '';
    display: inline-block;
    margin-left: 6px;
    width: 0;
    height: 0;
    vertical-align: middle;
}

.profiles-table th.sort-asc::after {
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-bottom: 5px solid var(--accent-blue);
}

.profiles-table th.sort-desc::after {
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid var(--accent-blue);
}

.profiles-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.profiles-table tbody tr:hover {
    background: var(--bg-hover);
}

.profiles-table .loading-row td,
.profiles-table .empty-row td {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

/* Table Columns */
.col-checkbox {
    width: 40px;
    text-align: center;
}

.col-status {
    width: 80px;
}

.col-country {
    width: 140px;
}

.col-name {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.col-speed,
.col-latency {
    width: 100px;
    text-align: right;
}

.col-check {
    width: 120px;
}

.col-actions {
    width: 80px;
    text-align: center;
}

/* Status Badge */
.status-badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
}

.status-badge.active {
    background: rgba(78, 201, 176, 0.2);
    color: var(--accent-green);
}

.status-badge.failed {
    background: rgba(241, 76, 76, 0.2);
    color: var(--accent-red);
}

.status-badge.unchecked {
    background: rgba(133, 133, 133, 0.2);
    color: var(--text-secondary);
}

.status-badge.checking {
    background: rgba(220, 220, 170, 0.2);
    color: var(--accent-yellow);
}

/* Flag Icon */
.flag-icon {
    width: 20px;
    height: 14px;
    vertical-align: middle;
    margin-right: 6px;
    border-radius: 2px;
}

/* Row Status */
.profile-row.status-active {
    border-left: 3px solid var(--accent-green);
}

.profile-row.status-failed {
    border-left: 3px solid var(--accent-red);
}

.profile-row.status-unchecked {
    border-left: 3px solid var(--text-muted);
}

/* Footer */
.public-footer,
.admin-footer {
    padding: 8px 24px;
    background: var(--accent-blue);
    color: white;
    font-size: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.public-footer a,
.admin-footer a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
}

.public-footer a:hover,
.admin-footer a:hover {
    opacity: 1;
}

/* Admin Tabs */
.admin-tabs {
    display: flex;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 24px;
}

.admin-tab {
    padding: 12px 20px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.2s;
}

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

.admin-tab.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

/* Tab Panels */
.tab-panel {
    display: none;
    flex: 1;
    overflow: auto;
}

.tab-panel.active {
    display: flex;
    flex-direction: column;
}

/* Panel Sections */
.panel-section {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.panel-section h2 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

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

.section-header-bar h2 {
    margin-bottom: 0;
}

/* Settings Form */
.settings-form {
    max-width: 500px;
}

.settings-form .form-group {
    margin-bottom: 16px;
}

.settings-form label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.settings-form input[type="text"],
.settings-form input[type="number"],
.settings-form input[type="password"] {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 13px;
}

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

.settings-form .form-hint {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

.settings-form .btn-group {
    display: flex;
    gap: 8px;
}

/* Subscription Items */
.subscriptions-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.subscription-item {
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.sub-name {
    font-weight: 500;
    color: var(--text-primary);
}

.sub-url {
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.sub-stats {
    font-size: 11px;
    color: var(--accent-blue);
}

.sub-actions {
    display: flex;
    gap: 8px;
}

/* Subscription URLs */
.subscription-urls {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.url-item label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.url-copy {
    display: flex;
    gap: 8px;
}

.url-copy input {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 12px;
    font-family: var(--font-mono);
}

/* Import Panels */
.import-panel {
    display: none;
}

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

/* Notification */
.notification {
    position: fixed;
    bottom: 40px;
    right: 24px;
    padding: 12px 20px;
    background: var(--accent-green);
    color: white;
    border-radius: 6px;
    font-size: 13px;
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.notification.error {
    background: var(--accent-red);
}

@keyframes slideIn {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Button warning */
.btn-warning {
    background: #b5862a;
    color: white;
}

.btn-warning:hover {
    background: #d19a2f;
}

/* Button danger icon */
.btn-danger-icon {
    color: var(--text-muted);
}

.btn-danger-icon:hover {
    color: var(--accent-red);
    background: rgba(241, 76, 76, 0.1);
}

/* QR Code Modal */
.modal-qr {
    width: 340px;
}

.modal-qr .modal-header h3 {
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.qr-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px;
}

#qr-canvas {
    border-radius: 8px;
    background: #fff;
    display: block;
}

.qr-hint {
    margin-top: 12px;
    font-size: 12px;
    color: var(--text-muted);
}

.qr-error {
    padding: 40px 20px;
    text-align: center;
    color: var(--accent-red);
    font-size: 14px;
    line-height: 1.6;
}

/* Action buttons in table */
.col-actions {
    white-space: nowrap;
}

.col-actions .btn-icon {
    margin: 0 2px;
}

/* Donate Section */
.donate-section {
    display: flex;
    align-items: center;
    gap: 8px;
}

.donate-label {
    font-size: 11px;
    opacity: 0.8;
}

.donate-btn {
    padding: 3px 8px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    color: white;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s;
}

.donate-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Responsive */
@media (max-width: 768px) {
    .public-header,
    .admin-header {
        padding: 12px 16px;
    }

    .filters-bar {
        padding: 12px 16px;
    }

    .header-content h1 {
        font-size: 16px;
    }

    .header-stats {
        gap: 12px;
        font-size: 12px;
    }

    .profiles-table th,
    .profiles-table td {
        padding: 8px 12px;
    }

    .col-speed,
    .col-latency,
    .col-check {
        display: none;
    }

    .modal-qr {
        width: 90%;
        max-width: 340px;
    }

    .donate-section {
        flex-wrap: wrap;
        justify-content: center;
        gap: 4px;
    }

    .public-footer {
        flex-direction: column;
        gap: 8px;
        padding: 12px 16px;
    }
}