/* =============================================================
   AIP UI Kit — shared component recipes (docs/design-system.md)
   Additive layer: every rule is scoped to a .uk- class, so this
   file changes nothing until a surface opts in. New surfaces
   compose these instead of inventing per-feature variants.
   ============================================================= */

/* ---------- Surface header ---------- */
.uk-header {
    margin-bottom: var(--space-4);
}

.uk-header-title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.3;
}

.uk-header-sub {
    margin: 4px 0 0;
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.45;
}

/* ---------- Uppercase micro-label ---------- */
.uk-label {
    display: block;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-faint);
}

/* ---------- Cards ---------- */
.uk-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
}

.uk-card--elevated {
    border-color: var(--color-border);
    box-shadow: var(--shadow-card);
}

.uk-card--selected {
    border-color: var(--color-primary);
    background: var(--color-primary-bg-hover);
}

/* ---------- Chips ---------- */
.uk-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.03em;
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    background: var(--color-bg-muted);
    color: var(--color-text-secondary);
}

.uk-chip--caps {
    text-transform: uppercase;
}

.uk-chip--primary {
    background: var(--color-primary-bg);
    color: var(--color-primary);
}

.uk-chip--success {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.uk-chip--warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.uk-chip--error {
    background: var(--color-error-bg);
    color: var(--color-error);
}

/* ---------- Buttons ---------- */
.uk-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-family: var(--font-family);
    font-size: 13px;
    font-weight: 600;
    line-height: 1.2;
    padding: 8px 14px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    background: var(--color-bg-muted);
    color: var(--color-text);
    cursor: pointer;
    transition: background var(--ease-default), color var(--ease-default), border-color var(--ease-default), box-shadow var(--ease-default);
}

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

.uk-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-primary-ring);
}

.uk-btn:disabled {
    opacity: 0.5;
    cursor: default;
    pointer-events: none;
}

.uk-btn--primary {
    background: var(--color-primary);
    color: #fff;
}

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

.uk-btn--ghost {
    background: transparent;
    border-color: var(--color-border-strong);
    color: var(--color-text-secondary);
}

.uk-btn--ghost:hover {
    background: var(--color-bg-muted);
    color: var(--color-text);
}

.uk-btn--danger {
    background: var(--color-error);
    color: #fff;
}

.uk-btn--danger:hover {
    background: #b91c1c;
}

.uk-btn--danger:focus-visible {
    box-shadow: 0 0 0 3px var(--color-error-bg);
}

/* ---------- Definition row (one-pager "What you get") ---------- */
.uk-defrow {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--space-2) var(--space-4);
    align-items: baseline;
}

.uk-defrow dt {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-text);
}

.uk-defrow dd {
    margin: 0;
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.45;
}

/* ---------- Callout (the one boxed ask on a page) ---------- */
.uk-callout {
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
    background: var(--color-bg);
}

/* ---------- Quote block ---------- */
.uk-quote {
    border-left: 3px solid var(--color-primary);
    background: var(--color-bg-subtle);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 10px 14px;
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.45;
}

/* ---------- Modal shell ---------- */
.uk-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    background: rgba(0, 0, 0, 0.35);
}

.uk-modal-overlay[hidden] {
    display: none;
}

.uk-modal {
    width: 720px;
    max-width: 100%;
    max-height: calc(100vh - 48px);
    overflow-y: auto;
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    font-family: var(--font-family);
}

.uk-modal--narrow {
    width: 480px;
}

.uk-modal-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-4);
    padding: 22px 26px 6px;
}

.uk-modal-title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.3;
}

.uk-modal-sub {
    margin: 4px 0 0;
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.45;
}

.uk-modal-close {
    border: none;
    background: transparent;
    font-size: 18px;
    color: var(--color-text-faint);
    cursor: pointer;
    padding: 2px 6px;
    line-height: 1;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    font-family: inherit;
}

.uk-modal-close:hover {
    color: var(--color-text);
    background: var(--color-bg-muted);
}

.uk-modal-body {
    padding: var(--space-4) 26px 22px;
}

/* ---------- Form fields ---------- */
.uk-input,
.uk-textarea,
.uk-select {
    width: 100%;
    font-family: var(--font-family);
    font-size: 13px;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    padding: 9px 12px;
    transition: border-color var(--ease-default), box-shadow var(--ease-default);
}

.uk-input:focus,
.uk-textarea:focus,
.uk-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-ring);
}

.uk-input::placeholder,
.uk-textarea::placeholder {
    color: var(--color-text-faint);
}

.uk-field-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

/* ---------- Empty state ---------- */
.uk-empty {
    text-align: center;
    padding: var(--space-10) var(--space-5);
}

.uk-empty-title {
    margin: 0 0 4px;
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
}

.uk-empty-sub {
    margin: 0 auto var(--space-4);
    max-width: 380px;
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.45;
}

/* ---------- Skeleton loading ---------- */
.uk-skeleton {
    display: block;
    border-radius: var(--radius-md);
    background: linear-gradient(90deg, var(--color-bg-muted) 25%, var(--color-bg-subtle) 45%, var(--color-bg-muted) 65%);
    background-size: 200% 100%;
    animation: uk-shimmer 1.4s ease infinite;
    color: transparent;
    user-select: none;
}

@keyframes uk-shimmer {
    from { background-position: 200% 0; }
    to { background-position: -200% 0; }
}

@media (prefers-reduced-motion: reduce) {
    .uk-skeleton {
        animation: none;
        background: var(--color-bg-muted);
    }
}

/* ---------- Error state ---------- */
.uk-error {
    background: var(--color-error-bg);
    border: 1px solid color-mix(in srgb, var(--color-error) 25%, transparent);
    border-radius: var(--radius-lg);
    padding: 12px 14px;
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.45;
}

.uk-error b,
.uk-error strong {
    color: var(--color-error);
}