@import url('/assets/css/fonts.css');

:root, [data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #0b1120;
    --border-color: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #38bdf8;
    --accent-hover: #0284c7;
    --accent-focus: rgba(56, 189, 248, 0.25);
    --btn-primary-bg: #38bdf8;
    --btn-primary-text: #042f2e;
    --btn-primary-hover: #0284c7;
    --notice-bg: rgba(56, 189, 248, 0.1);
    --notice-border: rgba(56, 189, 248, 0.3);
    --notice-text: #bae6fd;
    --status-open: #22c55e;
    --status-open-bg: rgba(34, 197, 94, 0.15);
    --status-open-border: rgba(34, 197, 94, 0.4);
    --status-closed: #ef4444;
    --status-closed-bg: rgba(239, 68, 68, 0.15);
    --status-closed-border: rgba(239, 68, 68, 0.4);
    --status-filtered: #f59e0b;
    --status-filtered-bg: rgba(245, 158, 11, 0.15);
    --status-filtered-border: rgba(245, 158, 11, 0.4);
    --status-inconclusive: #94a3b8;
    --status-inconclusive-bg: rgba(148, 163, 184, 0.15);
    --status-inconclusive-border: rgba(148, 163, 184, 0.4);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
    --bg-primary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-input: #f8fafc;
    --border-color: #cbd5e1;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --accent: #0284c7;
    --accent-hover: #0369a1;
    --accent-focus: rgba(2, 132, 199, 0.25);
    --btn-primary-bg: #0284c7;
    --btn-primary-text: #ffffff;
    --btn-primary-hover: #0369a1;
    --notice-bg: #e0f2fe;
    --notice-border: #7dd3fc;
    --notice-text: #0369a1;
    --status-open: #15803d;
    --status-open-bg: #dcfce7;
    --status-open-border: #86efac;
    --status-closed: #b91c1c;
    --status-closed-bg: #fee2e2;
    --status-closed-border: #fca5a5;
    --status-filtered: #b45309;
    --status-filtered-bg: #fef3c7;
    --status-filtered-border: #fde68a;
    --status-inconclusive: #475569;
    --status-inconclusive-bg: #e2e8f0;
    --status-inconclusive-border: #cbd5e1;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
}

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

body {
    font-family: 'Be Vietnam Pro', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.2s ease, color 0.2s ease;
}

button, input, select, textarea, optgroup {
    font-family: inherit;
}

.top-toolbar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 0.75rem;
    margin-bottom: 0.5rem;
}

.control-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.4rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
    transition: all 0.2s ease;
}

.control-pill:hover {
    border-color: var(--accent);
}

.control-pill svg {
    width: 15px;
    height: 15px;
    fill: currentColor;
}

.lang-switch {
    display: inline-flex;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2px;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 0.25rem 0.65rem;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.15s;
}

.lang-btn.active {
    background-color: var(--accent);
    color: #ffffff;
}

[data-theme="dark"] .lang-btn.active {
    color: #042f2e;
}

.container {
    width: 100%;
    max-width: 880px;
    margin: 0 auto;
    padding: 1.25rem 1rem;
    flex: 1;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.logo svg {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

.server-notice {
    background-color: var(--notice-bg);
    border: 1px solid var(--notice-border);
    border-radius: var(--radius-md);
    padding: 0.875rem 1.25rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--notice-text);
}

.server-notice svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 2px;
    fill: currentColor;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.target-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.tab-btn {
    flex: 1;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

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

.tab-btn.active {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

[data-theme="dark"] .tab-btn.active {
    color: #042f2e;
}

.detected-ip-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.625rem 0.875rem;
    margin-bottom: 0.75rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.detected-ip-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-sm {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.35rem 0.65rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-sm:hover {
    border-color: var(--accent);
}

.input-control {
    width: 100%;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.65rem 0.875rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-focus);
}

.input-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

.protocol-selector {
    display: flex;
    gap: 1rem;
}

.radio-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.6rem 1.25rem;
    cursor: pointer;
    user-select: none;
    transition: all 0.2s;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.radio-pill:has(input:checked) {
    border-color: var(--accent);
    background-color: rgba(56, 189, 248, 0.12);
}

[data-theme="light"] .radio-pill:has(input:checked) {
    background-color: #e0f2fe;
    border-color: #0284c7;
}

.radio-pill input {
    accent-color: var(--accent);
}

.quick-ports-section {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}

.quick-ports-header {
    margin-bottom: 0.75rem;
}

.quick-ports-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.quick-cat-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.quick-cat-btn {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.25rem 0.65rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.quick-cat-btn:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.quick-cat-btn.active {
    background-color: var(--accent);
    color: #0f172a;
    border-color: var(--accent);
    font-weight: 700;
}

[data-theme="light"] .quick-cat-btn.active {
    background-color: #0284c7;
    color: #ffffff;
    border-color: #0284c7;
}

.quick-ports-container {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.quick-group {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.75rem;
    transition: opacity 0.15s ease;
}

[data-theme="light"] .quick-group {
    background-color: #f8fafc;
}

.quick-group.hidden {
    display: none !important;
}

.quick-group-header {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.45rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.quick-group-icon {
    font-size: 0.85rem;
}

.quick-group-name {
    color: var(--text-secondary);
}

.quick-ports {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.port-pill {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.25rem 0.65rem;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 600;
    font-family: ui-monospace, SFMono-Regular, monospace;
    cursor: pointer;
    transition: all 0.15s ease;
}

.port-pill:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    background-color: rgba(56, 189, 248, 0.08);
}

[data-theme="light"] .port-pill:hover {
    background-color: #e0f2fe;
    color: #0369a1;
}

.btn-primary {
    width: 100%;
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    font-weight: 800;
    font-size: 1.05rem;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.875rem 1.5rem;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--btn-primary-hover);
    color: #ffffff;
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

[data-theme="dark"] .spinner {
    border: 3px solid rgba(0, 0, 0, 0.2);
    border-top-color: currentColor;
}

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

.result-card {
    display: none;
    margin-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.result-card.active {
    display: block;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.15rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
}

.status-badge.open {
    color: var(--status-open);
    background-color: var(--status-open-bg);
    border: 1px solid var(--status-open-border);
}

.status-badge.closed {
    color: var(--status-closed);
    background-color: var(--status-closed-bg);
    border: 1px solid var(--status-closed-border);
}

.status-badge.filtered_or_timeout {
    color: var(--status-filtered);
    background-color: var(--status-filtered-bg);
    border: 1px solid var(--status-filtered-border);
}

.status-badge.inconclusive, .status-badge.rate_limited, .status-badge.invalid_target, .status-badge.internal_error {
    color: var(--status-inconclusive);
    background-color: var(--status-inconclusive-bg);
    border: 1px solid var(--status-inconclusive-border);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.detail-item {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
}

.detail-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.detail-value {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: ui-monospace, SFMono-Regular, monospace;
    word-break: break-all;
}

.diag-box {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-left: 5px solid var(--accent);
    padding: 1.1rem;
    border-radius: var(--radius-sm);
    margin-top: 1rem;
}

.diag-title {
    font-weight: 800;
    font-size: 0.95rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.diag-desc {
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.diag-tips {
    margin-top: 0.75rem;
    padding-left: 1.25rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.diag-tips li {
    margin-bottom: 0.35rem;
}

.preset-card {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.preset-title {
    font-weight: 800;
    font-size: 1rem;
    color: var(--accent);
    margin-bottom: 0.25rem;
}

.preset-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-color);
}

@media (max-width: 640px) {
    body {
        font-size: 14.5px;
    }
    .container, .doc-container {
        padding: 0.75rem 0.65rem;
    }
    .top-toolbar {
        justify-content: space-between;
        gap: 0.35rem;
        margin-bottom: 0.75rem;
    }
    .control-pill {
        padding: 0.3rem 0.55rem;
        font-size: 0.75rem;
    }
    .card {
        padding: 1.15rem 0.85rem;
        border-radius: var(--radius-md);
        margin-bottom: 1.25rem;
    }
    header {
        margin-bottom: 1.25rem;
    }
    .logo {
        font-size: 1.4rem;
    }
    .logo svg {
        width: 26px;
        height: 26px;
    }
    .subtitle {
        font-size: 0.825rem;
    }
    .server-notice {
        padding: 0.75rem 0.85rem;
        font-size: 0.8rem;
        margin-bottom: 1rem;
    }
    .target-tabs {
        flex-direction: column;
        gap: 0.35rem;
    }
    .tab-btn {
        padding: 0.55rem 0.5rem;
        font-size: 0.8rem;
    }
    .detected-ip-box {
        flex-direction: column;
        align-items: stretch;
        gap: 0.65rem;
        padding: 0.75rem;
    }
    .detected-ip-actions {
        display: flex;
        width: 100%;
        gap: 0.5rem;
    }
    .detected-ip-actions .btn-sm {
        flex: 1;
        text-align: center;
        justify-content: center;
        padding: 0.5rem;
    }
    .inspect-pills {
        gap: 0.3rem;
        padding: 0.5rem 0.75rem;
    }
    .inspect-pill {
        font-size: 0.7rem;
        padding: 0.15rem 0.45rem;
    }
    .inspect-body {
        padding: 0.75rem;
    }
    .inspect-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.15rem;
        padding: 0.45rem 0;
    }
    .inspect-v {
        text-align: left;
        max-width: 100%;
        font-size: 0.825rem;
    }
    .protocol-selector {
        gap: 0.5rem;
    }
    .radio-pill {
        flex: 1;
        justify-content: center;
        padding: 0.6rem;
    }
    .quick-cat-filter-bar {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 0.4rem;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .quick-cat-filter-bar::-webkit-scrollbar {
        display: none;
    }
    .quick-cat-btn {
        flex-shrink: 0;
        padding: 0.25rem 0.55rem;
        font-size: 0.72rem;
    }
    .quick-group {
        padding: 0.5rem 0.6rem;
    }
    .quick-group-header {
        font-size: 0.7rem;
        margin-bottom: 0.35rem;
    }
    .port-pill {
        padding: 0.25rem 0.5rem;
        font-size: 0.73rem;
    }
    .btn-primary {
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }
    .details-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    .preset-card {
        flex-direction: column;
        align-items: flex-start;
    }
    .endpoint-card {
        padding: 1rem 0.75rem;
    }
    .param-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* --- Client Deep Inspection Card (ip-info widget) --- */
.client-inspect-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin: 0.75rem 0 1.25rem 0;
    overflow: hidden;
    transition: all 0.2s ease;
}

.client-inspect-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: rgba(56, 189, 248, 0.04);
    border-bottom: 1px solid var(--border-color);
}

.inspect-title {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--accent);
}

.inspect-icon {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.btn-toggle-inspect {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.25rem 0.65rem;
    border-radius: 14px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-toggle-inspect:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.toggle-arrow {
    width: 14px;
    height: 14px;
    fill: currentColor;
    transition: transform 0.2s ease;
}

.btn-toggle-inspect[aria-expanded="false"] .toggle-arrow {
    transform: rotate(-90deg);
}

.inspect-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    background-color: var(--bg-input);
    border-bottom: 1px solid var(--border-color);
}

.inspect-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.inspect-body {
    padding: 1rem;
    display: block;
}

.inspect-body.collapsed {
    display: none;
}

.inspect-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

@media (max-width: 820px) {
    .inspect-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

.inspect-section-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    padding-bottom: 0.3rem;
    border-bottom: 1px dashed var(--border-color);
}

.inspect-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.75rem;
    padding: 0.4rem 0;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

[data-theme="light"] .inspect-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.inspect-k {
    color: var(--text-secondary);
    font-size: 0.825rem;
    flex-shrink: 0;
}

.inspect-v {
    font-weight: 600;
    color: var(--text-primary);
    text-align: right;
    word-break: normal;
    overflow-wrap: anywhere;
    max-width: 70%;
}

.inspect-badge {
    display: inline-block;
    padding: 0.2rem 0.55rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
}

.inspect-badge.direct {
    background-color: var(--status-open-bg);
    color: var(--status-open);
    border: 1px solid var(--status-open-border);
}

.inspect-badge.proxy, .inspect-badge.cloudflare {
    background-color: var(--status-filtered-bg);
    color: var(--status-filtered);
    border: 1px solid var(--status-filtered-border);
}

.inspect-badge.vpn {
    background-color: rgba(168, 85, 247, 0.15);
    color: #c084fc;
    border: 1px solid rgba(168, 85, 247, 0.4);
}

[data-theme="light"] .inspect-badge.vpn {
    background-color: #f3e8ff;
    color: #7e22ce;
    border: 1px solid #d8b4fe;
}

.inspect-ua-wrap {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.ua-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.35rem;
}

.btn-copy-ua {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--accent);
    padding: 0.2rem 0.55rem;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-copy-ua:hover {
    background-color: var(--accent);
    color: #ffffff;
}

.ua-string {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    line-height: 1.4;
    word-break: break-all;
    color: var(--text-secondary);
}

/* --- Documentation & API Guide Styles --- */
.doc-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

.doc-nav-sticky {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.doc-nav-link {
    white-space: nowrap;
    padding: 0.4rem 0.8rem;
    border-radius: 16px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.15s ease;
}

.doc-nav-link:hover, .doc-nav-link.active {
    border-color: var(--accent);
    color: var(--accent);
}

.doc-section {
    margin-bottom: 3rem;
}

.doc-section-heading {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.doc-section-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.endpoint-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 1.75rem;
    box-shadow: var(--shadow);
}

.endpoint-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.method-badge {
    display: inline-block;
    padding: 0.3rem 0.65rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    font-family: ui-monospace, monospace;
}

.method-badge.get {
    background-color: rgba(56, 189, 248, 0.15);
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.4);
}

.method-badge.post {
    background-color: rgba(34, 197, 94, 0.15);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.4);
}

[data-theme="light"] .method-badge.get {
    background-color: #e0f2fe;
    color: #0284c7;
    border: 1px solid #7dd3fc;
}

[data-theme="light"] .method-badge.post {
    background-color: #dcfce7;
    color: #15803d;
    border: 1px solid #86efac;
}

.endpoint-path {
    font-family: ui-monospace, monospace;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.auth-badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: auto;
}

.auth-badge.public {
    background-color: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.auth-badge.admin {
    background-color: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

[data-theme="light"] .auth-badge.public {
    background-color: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}

[data-theme="light"] .auth-badge.admin {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.code-tabs-wrapper {
    margin: 1.25rem 0;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.code-tabs-nav {
    display: flex;
    background-color: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-color);
    padding: 0.35rem 0.5rem;
    gap: 0.4rem;
}

.code-tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.3rem 0.7rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
}

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

.code-tab-btn.active {
    background-color: var(--accent);
    color: #ffffff;
}

[data-theme="dark"] .code-tab-btn.active {
    color: #042f2e;
}

.code-box-wrap {
    position: relative;
}

.btn-copy-code {
    position: absolute;
    top: 0.6rem;
    right: 0.6rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.25rem 0.55rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    z-index: 2;
}

.btn-copy-code:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.code-content {
    margin: 0;
    padding: 1rem;
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    color: #e2e8f0;
    background-color: #0b1120;
    overflow-x: auto;
    border-radius: 0;
}

[data-theme="light"] .code-content {
    background-color: #1e293b;
    color: #f8fafc;
}

.param-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.875rem;
}

.param-table th, .param-table td {
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--border-color);
    text-align: left;
}

.param-table th {
    background-color: var(--bg-input);
    color: var(--text-primary);
    font-weight: 700;
}

.param-name {
    font-family: ui-monospace, monospace;
    font-weight: 700;
    color: var(--accent);
}

.param-type {
    font-family: ui-monospace, monospace;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.param-req {
    display: inline-block;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    background-color: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.param-opt {
    display: inline-block;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    background-color: var(--bg-input);
    color: var(--text-muted);
}