:root {
    color-scheme: light;
    --ui-page: #f5f7f5;
    --ui-surface: #ffffff;
    --ui-surface-raised: #fbfcfb;
    --ui-surface-muted: #edf1ed;
    --ui-surface-pressed: #e5ebe5;
    --ui-text: #1d241f;
    --ui-text-muted: #657068;
    --ui-text-subtle: #859087;
    --ui-border: #dce3dd;
    --ui-border-strong: #c7d1c9;
    --ui-accent: #21864e;
    --ui-accent-strong: #17683b;
    --ui-accent-soft: #e7f3eb;
    --ui-danger: #b64747;
    --ui-danger-soft: #faecec;
    --ui-warning: #9b6d1b;
    --ui-warning-soft: #fbf3df;
    --ui-on-accent: #ffffff;
    --ui-inverse: #202720;
    --ui-inverse-muted: #b9c4ba;
    --ui-focus: #327bff;
    --ui-radius-xs: 6px;
    --ui-radius-sm: 9px;
    --ui-radius-md: 13px;
    --ui-radius-lg: 18px;
    --ui-radius-xl: 24px;
    --ui-shadow-sm: 0 1px 2px rgba(24, 38, 27, .05);
    --ui-shadow-md: 0 12px 30px rgba(24, 38, 27, .08);
    --ui-content: 1240px;
    --ui-space-1: 4px;
    --ui-space-2: 8px;
    --ui-space-3: 12px;
    --ui-space-4: 16px;
    --ui-space-5: 20px;
    --ui-space-6: 24px;
    --ui-space-7: 32px;
    --ui-space-8: 40px;
}

html[data-theme="dark"] {
    color-scheme: dark;
    --ui-page: #171b18;
    --ui-surface: #202620;
    --ui-surface-raised: #252c25;
    --ui-surface-muted: #2b342c;
    --ui-surface-pressed: #354036;
    --ui-text: #edf2ed;
    --ui-text-muted: #b0bbb1;
    --ui-text-subtle: #879488;
    --ui-border: #39443b;
    --ui-border-strong: #4b594e;
    --ui-accent: #58bf7d;
    --ui-accent-strong: #79d99a;
    --ui-accent-soft: #213b2b;
    --ui-danger: #e68b8b;
    --ui-danger-soft: #432727;
    --ui-warning: #e3bb67;
    --ui-warning-soft: #44371e;
    --ui-on-accent: #122117;
    --ui-inverse: #e7eee8;
    --ui-inverse-muted: #546057;
    --ui-focus: #73a3ff;
    --ui-shadow-sm: 0 1px 2px rgba(0, 0, 0, .2);
    --ui-shadow-md: 0 14px 34px rgba(0, 0, 0, .24);
}

@media (prefers-color-scheme: dark) {
    html[data-theme="system"] {
        color-scheme: dark;
        --ui-page: #171b18;
        --ui-surface: #202620;
        --ui-surface-raised: #252c25;
        --ui-surface-muted: #2b342c;
        --ui-surface-pressed: #354036;
        --ui-text: #edf2ed;
        --ui-text-muted: #b0bbb1;
        --ui-text-subtle: #879488;
        --ui-border: #39443b;
        --ui-border-strong: #4b594e;
        --ui-accent: #58bf7d;
        --ui-accent-strong: #79d99a;
        --ui-accent-soft: #213b2b;
        --ui-danger: #e68b8b;
        --ui-danger-soft: #432727;
        --ui-warning: #e3bb67;
        --ui-warning-soft: #44371e;
        --ui-on-accent: #122117;
        --ui-inverse: #e7eee8;
        --ui-inverse-muted: #546057;
        --ui-focus: #73a3ff;
        --ui-shadow-sm: 0 1px 2px rgba(0, 0, 0, .2);
        --ui-shadow-md: 0 14px 34px rgba(0, 0, 0, .24);
    }
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--ui-page); }
body {
    min-height: 100vh;
    margin: 0;
    color: var(--ui-text);
    background: var(--ui-page);
    font: 14px/1.5 Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    text-rendering: optimizeLegibility;
}

a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea, summary { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible,
textarea:focus-visible, summary:focus-visible, [tabindex]:focus-visible {
    outline: 2px solid var(--ui-focus);
    outline-offset: 2px;
}
button:disabled, input:disabled, select:disabled, textarea:disabled { cursor: not-allowed; opacity: .55; }
[hidden] { display: none !important; }

.ui-container { width: min(var(--ui-content), calc(100% - 40px)); margin: 0 auto; }
.ui-topbar {
    position: sticky;
    z-index: 30;
    top: 0;
    border-bottom: 1px solid var(--ui-border);
    background: var(--ui-surface);
}
.ui-topbar-inner {
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--ui-space-5);
}
.ui-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ui-text);
    text-decoration: none;
    font-size: 15px;
    font-weight: 750;
    letter-spacing: -.02em;
    white-space: nowrap;
}
.ui-brand-mark {
    width: 26px;
    height: 26px;
    display: grid;
    place-items: center;
    border: 1px solid var(--ui-border-strong);
    border-radius: 50%;
    color: var(--ui-accent);
    font-size: 12px;
    font-weight: 800;
}
.ui-nav { display: flex; align-items: center; gap: 3px; }
.ui-nav-link {
    padding: 8px 10px;
    border: 1px solid transparent;
    border-radius: var(--ui-radius-sm);
    color: var(--ui-text-muted);
    text-decoration: none;
    font-size: 13px;
    white-space: nowrap;
}
.ui-nav-link:hover, .ui-nav-link[aria-current="page"] {
    border-color: var(--ui-border);
    color: var(--ui-text);
    background: var(--ui-surface-raised);
}

.ui-button, .ui-icon-button {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    border: 1px solid var(--ui-border-strong);
    border-radius: var(--ui-radius-sm);
    background: var(--ui-surface);
    color: var(--ui-text);
    cursor: pointer;
    text-decoration: none;
    font-size: 13px;
    font-weight: 650;
    transition: border-color .16s ease, background .16s ease, color .16s ease, transform .16s ease;
}
.ui-button { padding: 0 13px; }
.ui-icon-button { width: 36px; padding: 0; }
.ui-button:hover, .ui-icon-button:hover { border-color: var(--ui-text-subtle); background: var(--ui-surface-muted); }
.ui-button:active, .ui-icon-button:active { transform: translateY(1px); }
.ui-button-primary { border-color: var(--ui-accent); background: var(--ui-accent); color: var(--ui-on-accent); }
.ui-button-primary:hover { border-color: var(--ui-accent-strong); background: var(--ui-accent-strong); color: var(--ui-on-accent); }
.ui-button-subtle { border-color: transparent; background: transparent; color: var(--ui-text-muted); }
.ui-button-subtle:hover { border-color: var(--ui-border); background: var(--ui-surface-muted); color: var(--ui-text); }
.ui-button-danger { border-color: transparent; background: transparent; color: var(--ui-danger); }
.ui-button-danger:hover { border-color: var(--ui-danger); background: var(--ui-danger-soft); }
.ui-button-sm { min-height: 30px; padding: 0 10px; font-size: 12px; }
.ui-button-wide { width: 100%; }
.ui-button[aria-pressed="true"], .ui-icon-button[aria-pressed="true"] { border-color: var(--ui-accent); color: var(--ui-accent-strong); }

.ui-panel {
    border: 1px solid var(--ui-border);
    border-radius: var(--ui-radius-lg);
    background: var(--ui-surface);
    box-shadow: var(--ui-shadow-sm);
}
.ui-panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--ui-space-4);
    padding: 18px 20px;
    border-bottom: 1px solid var(--ui-border);
}
.ui-panel-title { margin: 0; font-size: 15px; font-weight: 720; letter-spacing: -.01em; }
.ui-panel-meta { color: var(--ui-text-subtle); font-size: 12px; }
.ui-eyebrow {
    margin: 0 0 5px;
    color: var(--ui-accent-strong);
    font-size: 11px;
    font-weight: 750;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.ui-muted { color: var(--ui-text-muted); }
.ui-subtle { color: var(--ui-text-subtle); }

.ui-field { display: grid; gap: 6px; min-width: 0; }
.ui-field > span, .ui-field > label { font-size: 12px; font-weight: 650; }
.ui-field-hint { color: var(--ui-text-subtle); font-size: 12px; line-height: 1.45; }
.ui-input, .ui-select, .ui-textarea {
    width: 100%;
    min-width: 0;
    border: 1px solid var(--ui-border-strong);
    border-radius: var(--ui-radius-sm);
    background: var(--ui-surface-raised);
    color: var(--ui-text);
}
.ui-input, .ui-select { height: 38px; padding: 0 11px; }
.ui-textarea { min-height: 84px; padding: 10px 11px; resize: vertical; line-height: 1.45; }
.ui-input:hover, .ui-select:hover, .ui-textarea:hover { border-color: var(--ui-text-subtle); }
.ui-input[readonly], .ui-textarea[readonly] { color: var(--ui-text-muted); }
.ui-color { width: 100%; height: 38px; padding: 3px; border: 1px solid var(--ui-border-strong); border-radius: var(--ui-radius-sm); background: var(--ui-surface-raised); cursor: pointer; }
.ui-range { width: 100%; margin: 7px 0 0; accent-color: var(--ui-accent); }
.ui-output { color: var(--ui-text-muted); font-variant-numeric: tabular-nums; font-weight: 600; }

.ui-segmented {
    display: inline-flex;
    max-width: 100%;
    gap: 2px;
    padding: 3px;
    border: 1px solid var(--ui-border);
    border-radius: var(--ui-radius-sm);
    background: var(--ui-surface-muted);
}
.ui-segmented > button {
    min-height: 30px;
    padding: 0 10px;
    border: 1px solid transparent;
    border-radius: 6px;
    background: transparent;
    color: var(--ui-text-muted);
    cursor: pointer;
    font-size: 12px;
    font-weight: 650;
    white-space: nowrap;
}
.ui-segmented > button:hover { color: var(--ui-text); }
.ui-segmented > button[aria-pressed="true"], .ui-segmented > button.is-active {
    border-color: var(--ui-border);
    background: var(--ui-surface);
    color: var(--ui-text);
    box-shadow: var(--ui-shadow-sm);
}

.ui-switch-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.ui-switch {
    width: 42px;
    height: 24px;
    flex: 0 0 auto;
    padding: 2px;
    border: 1px solid var(--ui-border-strong);
    border-radius: 999px;
    background: var(--ui-surface-muted);
    cursor: pointer;
    transition: background .16s ease, border-color .16s ease;
}
.ui-switch::after {
    content: "";
    display: block;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--ui-text-subtle);
    transition: transform .16s ease, background .16s ease;
}
.ui-switch[aria-checked="true"] { border-color: var(--ui-accent); background: var(--ui-accent); }
.ui-switch[aria-checked="true"]::after { transform: translateX(18px); background: var(--ui-on-accent); }

.ui-status { display: inline-flex; align-items: center; gap: 7px; color: var(--ui-text-muted); font-size: 12px; }
.ui-status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ui-text-subtle); }
.ui-status.is-success { color: var(--ui-accent-strong); }
.ui-status.is-success::before { background: var(--ui-accent); }
.ui-status.is-error { color: var(--ui-danger); }
.ui-status.is-error::before { background: var(--ui-danger); }
.ui-status.is-warning { color: var(--ui-warning); }
.ui-status.is-warning::before { background: var(--ui-warning); }

.ui-state { display: grid; place-items: center; min-height: 120px; padding: 24px; color: var(--ui-text-muted); text-align: center; }
.ui-state strong { display: block; margin-bottom: 3px; color: var(--ui-text); font-size: 13px; }
.ui-state p { max-width: 360px; margin: 0; font-size: 12px; }
.ui-state-error strong { color: var(--ui-danger); }
.ui-skeleton {
    position: relative;
    overflow: hidden;
    border-radius: var(--ui-radius-xs);
    background: var(--ui-surface-muted);
}
.ui-skeleton::after {
    content: "";
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.28), transparent);
    animation: ui-skeleton 1.25s infinite;
}
@keyframes ui-skeleton { to { transform: translateX(100%); } }

.ui-toast {
    position: fixed;
    z-index: 100;
    right: 20px;
    bottom: 20px;
    max-width: min(360px, calc(100vw - 40px));
    padding: 11px 14px;
    border: 1px solid var(--ui-border-strong);
    border-radius: var(--ui-radius-sm);
    background: var(--ui-inverse);
    color: var(--ui-on-accent);
    box-shadow: var(--ui-shadow-md);
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity .16s ease, transform .16s ease;
    font-size: 13px;
}
.ui-toast.is-visible { opacity: 1; transform: translateY(0); }
.ui-dialog {
    width: min(420px, calc(100% - 32px));
    border: 1px solid var(--ui-border);
    border-radius: var(--ui-radius-lg);
    background: var(--ui-surface);
    color: var(--ui-text);
    box-shadow: var(--ui-shadow-md);
}
.ui-dialog::backdrop { background: rgba(8, 14, 9, .42); }
.ui-dialog-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.ui-dialog-title { margin: 0; font-size: 16px; }
.ui-dialog-body { display: grid; gap: 16px; padding: 20px; }
.ui-dialog-actions { display: flex; justify-content: flex-end; gap: 8px; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }

@media (max-width: 760px) {
    .ui-container { width: min(100% - 24px, var(--ui-content)); }
    .ui-topbar-inner { min-height: 58px; }
    .ui-nav-link { display: none; }
    .ui-nav-link[aria-current="page"] { display: inline-flex; }
    .ui-nav { gap: 4px; }
    .ui-toast { right: 12px; bottom: 12px; max-width: calc(100vw - 24px); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}