/* Percy component library (extracted from the music player). Tokens only, no page knowledge.
   Classes: .btn (+ --primary|ghost|danger) .field .toggle .card (+ --interactive) .row .tabs .chip
   .table .modal .toast-stack/.toast-card .skeleton .empty. Use inside .app-canvas pages.
   Until the page migration finishes, theme.css (loaded last) still wins on .card and .chip,
   and dashboard.css still owns the old .toast, hence .toast-card. */

.btn svg, .row svg, .toast-card > svg { width: 20px; height: 20px; flex: none; }

/* ── Buttons ──────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
    min-height: 40px; padding: 0 var(--space-4);
    border-radius: var(--radius-pill); border: 1px solid var(--line);
    background: var(--surface-2); color: var(--text);
    font: inherit; font-weight: 700; text-decoration: none; cursor: pointer;
    transition: background var(--dur-base), border-color var(--dur-base), transform var(--dur-fast);
}
.btn:hover { background: var(--surface-3); border-color: color-mix(in srgb, var(--text) 22%, transparent); }
.btn:active { transform: scale(0.97); }
.btn:focus-visible { outline: none; box-shadow: var(--ring-focus); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.45; cursor: not-allowed; transform: none; }
.btn--primary { background: var(--accent); border-color: transparent; color: var(--accent-contrast); }
.btn--primary:hover { background: var(--accent-hover); border-color: transparent; }
.btn--ghost { background: none; border-color: transparent; color: var(--text-muted); }
.btn--ghost:hover { background: color-mix(in srgb, var(--text) 7%, transparent); color: var(--text); border-color: transparent; }
.btn--danger { background: color-mix(in srgb, var(--error-text, #f87171) 14%, transparent); border-color: color-mix(in srgb, var(--error-text, #f87171) 35%, transparent); color: var(--error-text, #f87171); }
.btn--danger:hover { background: color-mix(in srgb, var(--error-text, #f87171) 24%, transparent); }
.btn--sm { min-height: 32px; padding: 0 var(--space-3); font-size: 13px; }
/* base.css colours every <a> (a:not(.button)); keep link-shaped buttons and cards on their own text colour. */
a.btn, a.btn:hover { color: var(--text); }
a.btn--primary, a.btn--primary:hover { color: var(--accent-contrast); }
a.btn--ghost, a.btn--icon { color: var(--text-muted); }
a.btn--ghost:hover, a.btn--icon:hover { color: var(--text); }
a.btn--danger, a.btn--danger:hover { color: var(--error-text, #f87171); }
a.card, a.card:hover, a.row, a.row:hover { color: var(--text); }
.btn--icon { width: 36px; min-height: 36px; padding: 0; border-color: transparent; background: none; color: var(--text-muted); }

/* ── Form controls ────────────────────────────────────────────────────── */
.field { display: grid; gap: 6px; }
.field > label, .field-label { font-size: 12px; font-weight: 700; color: var(--text-muted); }
.field-hint { font-size: 12px; color: var(--text-faint); }
.field input:not([type="checkbox"]):not([type="radio"]), .field select, .field textarea {
    width: 100%; min-height: 40px; padding: 8px var(--space-3);
    border-radius: var(--radius-sm); border: 1px solid var(--line);
    background: var(--surface-1); color: var(--text); font: inherit;
    transition: border-color var(--dur-base), box-shadow var(--dur-base);
}
.field textarea { min-height: 88px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-faint); }
.field input:focus, .field select:focus, .field textarea:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

/* A switch: <label class="toggle"><input type="checkbox"><span class="toggle-track"></span> Label</label> */
.toggle { display: inline-flex; align-items: center; gap: var(--space-3); cursor: pointer; font-weight: 600; }
.toggle input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.toggle-track {
    position: relative; flex: none; width: 40px; height: 24px; border-radius: var(--radius-pill);
    background: var(--surface-3); border: 1px solid var(--line); transition: background var(--dur-base);
}
.toggle-track::after {
    content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%;
    background: var(--text-muted); transition: transform var(--dur-base), background var(--dur-base);
}
.toggle input:checked + .toggle-track { background: var(--accent); border-color: transparent; }
.toggle input:checked + .toggle-track::after { transform: translateX(16px); background: var(--accent-contrast); }
.toggle input:focus-visible + .toggle-track { box-shadow: var(--ring-focus); }
.toggle input:disabled + .toggle-track { opacity: 0.45; }

/* ── Surfaces ─────────────────────────────────────────────────────────── */
.card {
    padding: var(--space-5); border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface-1) 78%, transparent);
}
.card--interactive { cursor: pointer; transition: background var(--dur-base), border-color var(--dur-base); }
.card--interactive:hover { background: var(--surface-2); border-color: color-mix(in srgb, var(--text) 18%, transparent); }
.card--interactive:focus-visible { outline: none; box-shadow: var(--ring-focus); }
.card-title { margin: 0 0 var(--space-1); font-size: 16px; font-weight: 700; letter-spacing: -0.02em; }
.card-sub { margin: 0; font-size: 13px; color: var(--text-muted); }

/* List rows: [lead] title/sub [meta] [actions]; actions appear on hover or focus. */
.row {
    display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto; align-items: center; gap: var(--space-3);
    padding: var(--space-2) var(--space-3); border-radius: var(--radius-md);
    transition: background var(--dur-fast);
}
.row:hover, .row:focus-within { background: var(--surface-2); }
.row.is-current .row-title { color: var(--accent); }
.row-text { display: flex; flex-direction: column; min-width: 0; }
.row-title, .row-sub { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-title { font-weight: 700; }
.row-sub, .row-meta { font-size: 13px; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.row-acts { display: flex; gap: 2px; opacity: 0; transition: opacity var(--dur-base); }
.row:hover .row-acts, .row:focus-within .row-acts { opacity: 1; }
@media (hover: none) { .row-acts { opacity: 1; } }

.tabs { display: flex; width: fit-content; max-width: 100%; gap: 2px; padding: 3px; border-radius: var(--radius-pill); background: var(--surface-1); border: 1px solid var(--line); }
.tabs [role="tab"], .tabs .tab {
    min-height: 32px; padding: 0 var(--space-4); border: 0; border-radius: var(--radius-pill);
    background: none; color: var(--text-muted); font: inherit; font-weight: 700; cursor: pointer; text-decoration: none;
    display: inline-flex; align-items: center;
    transition: background var(--dur-base), color var(--dur-base);
}
.tabs [role="tab"]:hover, .tabs .tab:hover { color: var(--text); }
.tabs [aria-selected="true"], .tabs .tab.is-on, .tabs .tab.active { background: var(--surface-3); color: var(--text); }
.tabs [role="tab"]:focus-visible, .tabs .tab:focus-visible { outline: none; box-shadow: var(--ring-focus); }

.chip {
    display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: var(--radius-pill);
    font-size: 12px; font-weight: 700; color: var(--text-muted);
    background: var(--surface-2); border: 1px solid var(--line);
}
.chip--accent { color: var(--accent); background: color-mix(in srgb, var(--accent) 16%, transparent); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }

.table { width: 100%; border-collapse: separate; border-spacing: 0; font-variant-numeric: tabular-nums; }
.table th {
    position: sticky; top: 0; padding: 10px var(--space-3); text-align: left;
    font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-faint);
    background: var(--surface-1); border-bottom: 1px solid var(--line);
}
.table td { padding: 10px var(--space-3); border-bottom: 1px solid var(--line); }
.table tbody tr { transition: background var(--dur-fast); }
.table tbody tr:hover { background: var(--surface-2); }

.modal {
    width: min(600px, calc(100vw - 32px)); padding: var(--space-5); border-radius: var(--radius-lg);
    border: 1px solid var(--line); background: var(--surface-2); color: var(--text); box-shadow: var(--shadow-pop);
}
.modal::backdrop { background: rgba(0, 0, 0, 0.55); }
.modal-title { margin: 0 0 var(--space-2); font-size: 18px; font-weight: 700; letter-spacing: -0.02em; }
.modal-acts { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-5); }

/* ── Feedback ─────────────────────────────────────────────────────────── */
/* PercyToast.show(kind, text) fills .toast-stack; a page can lift it with --toast-bottom. */
.toast-stack {
    position: fixed; z-index: 9990; right: var(--space-4); bottom: var(--toast-bottom, var(--space-4));
    display: flex; flex-direction: column; align-items: flex-end; gap: var(--space-2);
    width: min(360px, calc(100vw - 2 * var(--space-4))); pointer-events: none;
}
.toast-card {
    --tc: var(--info-text, var(--accent));
    display: flex; align-items: center; gap: var(--space-3); width: 100%;
    padding: 10px var(--space-2) 10px var(--space-3);
    border-radius: var(--radius-md); background: var(--surface-2); border: 1px solid var(--line);
    color: var(--text); box-shadow: var(--shadow-pop);
    pointer-events: auto; animation: toast-in 200ms cubic-bezier(0.2, 0.7, 0.2, 1);
}
.toast-card > svg { width: 24px; height: 24px; padding: 4px; border-radius: 50%; color: var(--tc); background: color-mix(in srgb, var(--tc) 16%, transparent); }
.toast-msg { flex: 1; min-width: 0; font-size: 13px; font-weight: 600; overflow-wrap: anywhere; }
.toast-card .btn--icon { width: 28px; min-height: 28px; }
.toast-card .btn--icon svg { width: 14px; height: 14px; }
.toast-card.is-success { --tc: var(--success-text, #4ade80); }
.toast-card.is-info { --tc: var(--info-text, var(--accent)); }
.toast-card.is-warning { --tc: var(--warning-text, #fbbf24); border-color: color-mix(in srgb, var(--tc) 40%, var(--line)); }
.toast-card.is-error { --tc: var(--error-text, #f87171); }
.toast-card.is-leaving { animation: toast-out 180ms ease-in forwards; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }
@keyframes toast-out { to { opacity: 0; transform: translateX(12px); } }

.skeleton {
    display: block; height: 12px; border-radius: 6px;
    background: linear-gradient(90deg, var(--surface-2) 0%, var(--surface-3) 40%, var(--surface-2) 80%);
    background-size: 300% 100%; animation: skeleton-shimmer 1.3s ease-in-out infinite;
}
@keyframes skeleton-shimmer { from { background-position: 100% 0; } to { background-position: -100% 0; } }

.empty { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 6px; padding: var(--space-6) var(--space-5); }
.empty h2, .empty h3 { margin: 0; font-size: 15px; font-weight: 700; color: var(--text-muted); }
.empty p { margin: 0; max-width: 40ch; font-size: 13px; color: var(--text-faint); }
.empty-ico { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: var(--space-1); border-radius: var(--radius-md); border: 1px solid var(--line); background: var(--surface-2); color: var(--text-muted); }
.empty-ico svg { width: 22px; height: 22px; }
.empty-acts { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2); margin-top: var(--space-2); }
.empty--lg { padding: var(--space-8) var(--space-5); border-radius: var(--radius-lg); border: 1px solid var(--line); background: color-mix(in srgb, var(--surface-1) 78%, transparent); }
.empty--lg h2 { font-size: 18px; color: var(--text); }

@media (prefers-reduced-motion: reduce) {
    .toast-card, .skeleton { animation-duration: 0.01ms !important; }
}