:root {
    --stild-color-background: #111319;
    --stild-color-surface: rgba(255, 255, 255, 0.075);
    --stild-color-surface-raised: rgba(22, 24, 31, 0.94);
    --stild-color-surface-hover: rgba(255, 255, 255, 0.12);
    --stild-color-text-primary: rgba(255, 255, 255, 0.92);
    --stild-color-text-secondary: rgba(255, 255, 255, 0.68);
    --stild-color-text-muted: rgba(255, 255, 255, 0.48);
    --stild-color-border: rgba(255, 255, 255, 0.12);
    --stild-color-border-strong: rgba(255, 255, 255, 0.18);
    --stild-color-accent: rgba(143, 124, 255, 0.92);
    --stild-color-accent-hover: rgba(196, 171, 255, 0.92);
    --stild-color-accent-soft: rgba(143, 124, 255, 0.16);
    --stild-color-success: #86efac;
    --stild-color-warning: #fde68a;
    --stild-color-danger: #fecaca;
    --stild-space-1: 0.25rem;
    --stild-space-2: 0.5rem;
    --stild-space-3: 0.75rem;
    --stild-space-4: 1rem;
    --stild-space-5: 1.25rem;
    --stild-space-6: 1.5rem;
    --stild-space-8: 2rem;
    --stild-radius-sm: 0.42rem;
    --stild-radius-md: 0.58rem;
    --stild-radius-lg: 0.72rem;
    --stild-radius-xl: 0.9rem;
    --stild-font-body: 0.9rem;
    --stild-font-small: 0.76rem;
    --stild-font-section-title: 0.84rem;
    --stild-font-window-title: 0.86rem;
    --stild-font-large-title: 1.45rem;
    --stild-control-sm: 1.9rem;
    --stild-control-md: 2.35rem;
    --stild-control-lg: 2.8rem;
    --stild-icon-button-size: 1.9rem;
    --stild-window-header-height: 2.85rem;
    --stild-shadow-window: 0 1.5rem 4rem rgba(0, 0, 0, 0.36), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    --stild-shadow-popover: 0 1rem 2.4rem rgba(0, 0, 0, 0.36);
}

.stild-window {
    color: var(--stild-color-text-primary);
    border: 1px solid var(--stild-color-border);
    border-radius: var(--stild-radius-xl);
    background: linear-gradient(180deg, rgba(28, 30, 38, 0.94), rgba(15, 17, 23, 0.94));
    box-shadow: var(--stild-shadow-window);
    overflow: hidden;
    backdrop-filter: blur(1.1rem) saturate(120%);
    -webkit-backdrop-filter: blur(1.1rem) saturate(120%);
}

.stild-window-header {
    min-height: var(--stild-window-header-height);
    padding: 0 var(--stild-space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--stild-space-3);
    border-bottom: 1px solid var(--stild-color-border);
    background: rgba(255, 255, 255, 0.045);
}

.stild-window-title {
    min-width: 0;
    overflow: hidden;
    color: #fff;
    font-family: 'Unbounded', sans-serif;
    font-size: var(--stild-font-window-title);
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.stild-window-actions {
    display: inline-flex;
    align-items: center;
    gap: var(--stild-space-2);
}

.stild-window-body {
    min-height: 0;
    overflow: auto;
}

.stild-window-footer {
    padding: var(--stild-space-3) var(--stild-space-4);
    border-top: 1px solid var(--stild-color-border);
}

.stild-button,
.stild-icon-button,
.stild-input,
.stild-select,
.stild-textarea {
    font: inherit;
}

.stild-button {
    min-height: var(--stild-control-md);
    padding: 0.48rem 0.85rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--stild-space-2);
    border: 1px solid var(--stild-color-border);
    border-radius: var(--stild-radius-md);
    color: var(--stild-color-text-primary);
    background: var(--stild-color-surface);
    cursor: pointer;
    text-decoration: none;
    transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.stild-button:hover,
.stild-button:focus-visible {
    border-color: var(--stild-color-border-strong);
    background: var(--stild-color-surface-hover);
    color: #fff;
}

.stild-button:disabled,
.stild-icon-button:disabled,
.stild-input:disabled,
.stild-select:disabled,
.stild-textarea:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.stild-button-primary {
    border-color: rgba(196, 171, 255, 0.32);
    background: rgba(143, 124, 255, 0.24);
}

.stild-button-secondary {
    background: rgba(255, 255, 255, 0.09);
}

.stild-button-ghost {
    border-color: transparent;
    background: transparent;
    color: var(--stild-color-text-secondary);
}

.stild-button-danger {
    border-color: rgba(248, 113, 113, 0.28);
    color: var(--stild-color-danger);
    background: rgba(127, 29, 29, 0.26);
}

.stild-icon-button {
    appearance: none;
    -webkit-appearance: none;
    width: var(--stild-icon-button-size);
    min-width: var(--stild-icon-button-size);
    height: var(--stild-icon-button-size);
    min-height: var(--stild-icon-button-size);
    padding: 0;
    display: inline-grid;
    place-items: center;
    border: 1px solid transparent;
    border-radius: var(--stild-radius-sm);
    color: var(--stild-color-text-secondary);
    background: transparent;
    cursor: pointer;
    line-height: 1;
    transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.stild-icon-button > svg,
.stild-icon-button > .icon {
    width: 1rem;
    height: 1rem;
    display: block;
}

.stild-close-glyph {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1.18rem;
    line-height: 1;
    text-align: center;
    pointer-events: none;
}

.stild-icon-button:hover,
.stild-icon-button:focus-visible {
    color: #fff;
    background: var(--stild-color-surface-hover);
}

.stild-field {
    min-width: 0;
    display: grid;
    gap: var(--stild-space-1);
}

.stild-field-label,
.stild-field-help {
    color: var(--stild-color-text-muted);
    font-size: var(--stild-font-small);
}

.stild-field-help {
    margin: 0;
}

.stild-input,
.stild-select,
.stild-textarea {
    width: 100%;
    min-height: var(--stild-control-md);
    padding: 0.45rem 0.65rem;
    border: 1px solid var(--stild-color-border);
    border-radius: var(--stild-radius-md);
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.stild-textarea {
    min-height: 8rem;
    resize: vertical;
}

.stild-input:focus,
.stild-select:focus,
.stild-textarea:focus {
    outline: none;
    border-color: var(--stild-color-accent-hover);
    box-shadow: 0 0 0 3px rgba(196, 171, 255, 0.16);
}

.stild-select option {
    color: #16181f;
    background: #fff;
}

.stild-popover {
    padding: var(--stild-space-3);
    display: grid;
    gap: var(--stild-space-3);
    border: 1px solid var(--stild-color-border);
    border-radius: var(--stild-radius-lg);
    color: var(--stild-color-text-secondary);
    background: rgba(18, 20, 27, 0.96);
    box-shadow: var(--stild-shadow-popover);
    backdrop-filter: blur(1rem) saturate(120%);
    -webkit-backdrop-filter: blur(1rem) saturate(120%);
}

.stild-popover-header,
.stild-popover-footer,
.stild-section-header,
.stild-toolbar,
.stild-meta-bar {
    display: flex;
    align-items: center;
    gap: var(--stild-space-2);
}

.stild-popover-header,
.stild-section-header {
    justify-content: space-between;
}

.stild-card,
.stild-section {
    min-width: 0;
    border: 1px solid var(--stild-color-border);
    border-radius: var(--stild-radius-lg);
    background: var(--stild-color-surface);
}

.stild-card {
    padding: var(--stild-space-4);
}

.stild-section {
    padding: var(--stild-space-4);
    display: grid;
    gap: var(--stild-space-3);
}

.stild-section-title {
    margin: 0;
    color: #fff;
    font-family: 'Unbounded', sans-serif;
    font-size: var(--stild-font-section-title);
    font-weight: 700;
}

.stild-list {
    display: grid;
    align-content: start;
    gap: var(--stild-space-1);
}

.stild-list-row {
    min-width: 0;
    padding: var(--stild-space-3);
    border: 0;
    border-radius: var(--stild-radius-md);
    color: var(--stild-color-text-primary);
    background: transparent;
    text-align: start;
}

.stild-list-row:hover,
.stild-list-row:focus-visible,
.stild-list-row.active {
    background: var(--stild-color-accent-soft);
}

.stild-meta-bar {
    min-width: 0;
    color: var(--stild-color-text-secondary);
    font-size: var(--stild-font-small);
}

.stild-meta-group,
.stild-meta-item,
.stild-toolbar-group {
    min-width: 0;
    display: inline-flex;
    align-items: center;
    gap: var(--stild-space-2);
}

.stild-meta-separator {
    color: rgba(255, 255, 255, 0.28);
}

.stild-toolbar {
    min-height: var(--stild-control-lg);
    padding: var(--stild-space-2);
}

.stild-badge,
.stild-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--stild-space-1);
    border: 1px solid rgba(196, 171, 255, 0.24);
    color: rgba(218, 212, 255, 0.82);
    background: rgba(143, 124, 255, 0.12);
    line-height: 1.2;
}

.stild-badge {
    min-height: 1.45rem;
    padding: 0.16rem 0.42rem;
    border-radius: 999rem;
    font-size: 0.68rem;
    font-weight: 700;
}

.stild-chip {
    min-height: 1.75rem;
    padding: 0.18rem 0.48rem;
    border-radius: var(--stild-radius-sm);
}

.stild-status-success {
    border-color: rgba(134, 239, 172, 0.28);
    color: var(--stild-color-success);
    background: rgba(22, 101, 52, 0.22);
}

.stild-status-warning {
    border-color: rgba(253, 230, 138, 0.28);
    color: var(--stild-color-warning);
    background: rgba(113, 63, 18, 0.22);
}

.stild-status-danger {
    border-color: rgba(254, 202, 202, 0.28);
    color: var(--stild-color-danger);
    background: rgba(127, 29, 29, 0.26);
}

.stild-empty-state {
    min-height: 12rem;
    padding: var(--stild-space-6);
    display: grid;
    align-content: center;
    justify-items: center;
    gap: var(--stild-space-2);
    color: var(--stild-color-text-muted);
    text-align: center;
}

.stild-empty-state h2,
.stild-empty-state h3 {
    margin: 0;
    color: #fff;
    font-size: var(--stild-font-section-title);
}

.stild-empty-state p {
    max-width: 18rem;
    margin: 0;
}

.stild-scroll-area {
    min-height: 0;
    overflow: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(184, 174, 255, 0.42) rgba(255, 255, 255, 0.045);
}

.stild-stack {
    display: grid;
    gap: var(--stild-space-4);
}

.stild-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
    gap: var(--stild-space-4);
}

.stild-swatch {
    min-height: 4.5rem;
    padding: var(--stild-space-3);
    display: grid;
    align-content: end;
    border: 1px solid var(--stild-color-border);
    border-radius: var(--stild-radius-md);
    color: #fff;
}

.stild-page {
    max-width: 84rem;
    margin: 5rem auto 0;
    padding: var(--stild-space-8);
    color: var(--stild-color-text-primary);
}

.stild-page-title {
    margin: 0;
    color: #fff;
    font-size: var(--stild-font-large-title);
}

.stild-demo-panel {
    padding: var(--stild-space-4);
}

.stild-demo-scroll {
    max-height: 7rem;
}

.stild-scale-field {
    width: 12rem;
}