/* ─── Design Tokens ──────────────────────────────────────────────────────── */
:root {
    color-scheme: light;

    /* Brand palette — violet */
    --brand-50:  #f5f3ff;
    --brand-100: #ede9fe;
    --brand-200: #ddd6fe;
    --brand-300: #c4b5fd;
    --brand-400: #a78bfa;
    --brand-500: #8b5cf6;
    --brand-600: #7c3aed;
    --brand-700: #6d28d9;
    --brand-800: #5b21b6;
    --brand-900: #4c1d95;

    /* Shoelace primary overrides */
    --sl-color-primary-50:  var(--brand-50);
    --sl-color-primary-100: var(--brand-100);
    --sl-color-primary-200: var(--brand-200);
    --sl-color-primary-300: var(--brand-300);
    --sl-color-primary-400: var(--brand-400);
    --sl-color-primary-500: var(--brand-500);
    --sl-color-primary-600: var(--brand-600);
    --sl-color-primary-700: var(--brand-700);
    --sl-color-primary-800: var(--brand-800);
    --sl-color-primary-900: var(--brand-900);

    /* Surfaces */
    --surface-2: #ffffff;
    --surface-border: rgba(226, 232, 240, 0.85);

    /* Elevation */
    --shadow-card:  0 1px 2px rgba(15,23,42,0.04), 0 4px 16px rgba(15,23,42,0.05);
    --shadow-hover: 0 2px 4px rgba(15,23,42,0.05), 0 16px 40px rgba(15,23,42,0.12);
    --shadow-panel: 0 1px 2px rgba(15,23,42,0.03), 0 4px 12px rgba(15,23,42,0.06);

    /* Legacy aliases kept for settings.html compat */
    --surface-0: rgba(255,255,255,0.78);
    --surface-1: rgba(255,255,255,0.92);
    --surface-border-old: rgba(255,255,255,0.7);
    --shadow-soft: var(--shadow-card);
    --shadow-hover-old: var(--shadow-hover);
}

/* ─── Base ───────────────────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: #f1f3f7;
    color: #111827;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── Hero ───────────────────────────────────────────────────────────────── */
.hero-gradient {
    background:
        radial-gradient(ellipse at 10% 60%, rgba(196,181,253,0.22) 0%, transparent 55%),
        radial-gradient(ellipse at 90% 10%, rgba(99,102,241,0.18) 0%, transparent 45%),
        linear-gradient(150deg, #09090f 0%, #1e1b4b 42%, #4c1d95 80%, #6d28d9 100%);
}

.glass {
    background: rgba(255,255,255,0.09);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255,255,255,0.16);
}

.summary-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.28rem 0.65rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    background: rgba(255,255,255,0.10);
    color: rgba(255,255,255,0.82);
    border: 1px solid rgba(255,255,255,0.14);
}

/* Hero action buttons */
sl-button.hero-action-btn::part(base) {
    height: 2.375rem;
    padding-inline: 0.9rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

sl-button.hero-action-btn--glass::part(base) {
    background: rgba(255,255,255,0.09);
    border-color: rgba(255,255,255,0.22);
    color: rgba(255,255,255,0.90);
    backdrop-filter: blur(10px);
}

sl-button.hero-action-btn--glass::part(base):hover {
    background: rgba(255,255,255,0.16);
    border-color: rgba(255,255,255,0.32);
    color: #fff;
}

/* ─── Surface panels ─────────────────────────────────────────────────────── */
.surface-panel {
    background: var(--surface-0);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--surface-border);
    box-shadow: var(--shadow-panel);
}

.surface-panel--solid {
    background: var(--surface-2);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

/* ─── Metric cards ───────────────────────────────────────────────────────── */
.metric-card {
    background: var(--surface-2);
    border: 1px solid rgba(226,232,240,0.9);
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.metric-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
    border-color: rgba(167,139,250,0.35);
}

/* ─── Result cards ───────────────────────────────────────────────────────── */
.result-card {
    background: var(--surface-2);
    border: 1px solid rgba(226,232,240,0.9);
    box-shadow: var(--shadow-card);
}

.result-card,
.card-hover {
    transition: transform 0.22s cubic-bezier(.4,0,.2,1),
                box-shadow 0.22s cubic-bezier(.4,0,.2,1),
                border-color 0.22s ease;
}

.result-card:hover,
.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(167,139,250,0.4);
}

/* ─── Animations ─────────────────────────────────────────────────────────── */
.fade-in { animation: fadeIn 0.38s ease-out both; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(7px); }
    to   { opacity: 1; transform: translateY(0); }
}

.score-ring {
    transition: stroke-dashoffset 0.7s cubic-bezier(.4,0,.2,1);
}

/* ─── Form controls ──────────────────────────────────────────────────────── */
.control-input,
.control-select {
    width: 100%;
    border-radius: 0.75rem;
    border: 1.5px solid rgba(226,232,240,0.95);
    background: #f9fafb;
    padding: 0.68rem 0.9rem;
    color: #111827;
    font-size: 0.88rem;
    line-height: 1.4;
    appearance: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.control-input { padding-left: 2.5rem; }

.control-input:focus,
.control-select:focus {
    outline: none;
    border-color: var(--brand-500);
    box-shadow: 0 0 0 3px rgba(124,58,237,0.10);
    background: #fff;
}

.control-label,
.ctrl-label {
    display: block;
    margin-bottom: 0.38rem;
    font-size: 0.67rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: #94a3b8;
}

/* Sort toggle */
.sort-btn {
    border-radius: 0.55rem;
    transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.sort-btn.active {
    background: var(--brand-600);
    color: #fff;
    box-shadow: 0 3px 10px rgba(124,58,237,0.30);
}

/* Quick filter pills */
.filter-pill {
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    cursor: pointer;
    user-select: none;
}

.filter-pill:hover { transform: translateY(-1px); }

.filter-pill.active {
    box-shadow: 0 0 0 2px rgba(124,58,237,0.22);
}

.active-filter-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    min-height: 1.5rem;
}

.active-filter-empty {
    font-size: 0.8rem;
    color: #cbd5e1;
    font-style: italic;
}

/* ─── Detail blocks ──────────────────────────────────────────────────────── */
.detail-grid { display: grid; gap: 1rem; }

.detail-block {
    background: #fff;
    border: 1px solid rgba(226,232,240,0.9);
    border-radius: 1rem;
    padding: 1rem;
}

.detail-block--accent {
    background: linear-gradient(155deg, rgba(245,243,255,0.98) 0%, #fff 100%);
    border-color: rgba(196,181,253,0.5);
}

.detail-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
    gap: 0.7rem;
}

.detail-meta-item {
    padding: 0.7rem 0.85rem;
    border-radius: 0.75rem;
    background: #f8fafc;
    border: 1px solid rgba(226,232,240,0.9);
}

.detail-meta-label {
    display: block;
    font-size: 0.63rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: #94a3b8;
    margin-bottom: 0.2rem;
}

/* ─── Code / prompt panels ───────────────────────────────────────────────── */
.code-panel {
    background: #0f172a;
    color: #e2e8f0;
    border-radius: 0.875rem;
    padding: 1rem;
    border: 1px solid rgba(15,23,42,0.95);
}

.prompt-panel {
    background: linear-gradient(155deg, rgba(245,243,255,0.97), rgba(237,233,254,0.88));
    border-radius: 0.875rem;
    padding: 1rem;
    border: 1px solid rgba(196,181,253,0.6);
}

/* ─── Loading skeleton ───────────────────────────────────────────────────── */
.loading-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* ─── Empty state ────────────────────────────────────────────────────────── */
.empty-state-card {
    background: var(--surface-2);
    border: 1.5px dashed rgba(203,213,225,0.8);
}

/* ─── Tags ───────────────────────────────────────────────────────────────── */
.tag-chip { font-size: 0.68rem; letter-spacing: 0.03em; }

/* ─── Range slider ───────────────────────────────────────────────────────── */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 5px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(124,58,237,0.22), rgba(226,232,240,0.9));
    outline: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--brand-600);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(124,58,237,0.32);
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border: 0;
    border-radius: 50%;
    background: var(--brand-600);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(124,58,237,0.32);
}

/* ─── Typography ─────────────────────────────────────────────────────────── */
pre {
    white-space: pre-wrap;
    word-break: break-word;
    font-family: ui-monospace, 'SFMono-Regular', Menlo, Monaco, Consolas,
                 'Liberation Mono', 'Courier New', monospace;
}

/* ─── Shoelace overrides ─────────────────────────────────────────────────────── */
sl-button::part(base) {
    border-radius: 999px;
    font-weight: 600;
}

/* Tailwind preflight sets svg { display: block } which breaks icon+text layout in buttons */
sl-button::part(label) {
    display: inline-flex;
    align-items: center;
    gap: 0;
}

sl-badge::part(base) {
    border-radius: 999px;
    padding-inline: 0.65rem;
    font-size: 0.7rem;
    font-weight: 600;
}

sl-dialog::part(panel) {
    border-radius: 1.25rem;
    border: 1px solid rgba(226,232,240,0.9);
    box-shadow: 0 20px 70px rgba(15,23,42,0.2);
}

sl-dialog::part(header) {
    border-bottom: 1px solid rgba(226,232,240,0.8);
    padding: 1.25rem 1.5rem;
}

sl-tab-group::part(base) { border-radius: 0.875rem; }
sl-tab::part(base) { border-radius: 999px; font-weight: 600; }
sl-tab-panel::part(base) { padding-top: 1rem; }
sl-skeleton { --border-radius: 0.875rem; }

sl-icon-button::part(base) { color: inherit; }

/* ─── Scrollbar ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(148,163,184,0.5); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: rgba(100,116,139,0.75); }

/* ─── Run status bar ─────────────────────────────────────────────────────── */
.run-status-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 3rem;
  background: linear-gradient(135deg, #1e1b4b 0%, #2d1b69 100%);
  border-bottom: 1px solid rgba(167,139,250,0.25);
  box-shadow: 0 4px 24px rgba(15,23,42,0.18);
  transform: translateY(-100%);
  transition: transform 0.3s cubic-bezier(.4,0,.2,1);
}

.run-status-bar.run-status-bar--active {
  transform: translateY(0);
}

.rsb-type {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(196,181,253,0.9);
  white-space: nowrap;
  flex-shrink: 0;
}

.rsb-track {
  height: 5px;
  background: rgba(255,255,255,0.1);
  border-radius: 999px;
  overflow: hidden;
  flex: 1;
  min-width: 3rem;
}

.rsb-fill {
  height: 100%;
  background: linear-gradient(90deg, #8b5cf6, #a78bfa);
  border-radius: 999px;
  transition: width 0.5s ease;
}

.rsb-count {
  font-size: 0.7rem;
  font-weight: 700;
  color: rgba(255,255,255,0.75);
  font-family: ui-monospace, monospace;
  white-space: nowrap;
  flex-shrink: 0;
}

.rsb-current {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.4);
  max-width: 18rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex-shrink: 1;
  min-width: 0;
}

.rsb-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.rsb-badge--running {
  background: rgba(139,92,246,0.3);
  color: #c4b5fd;
  border: 1px solid rgba(139,92,246,0.4);
}

.rsb-badge--stopping {
  background: rgba(251,191,36,0.2);
  color: #fbbf24;
  border: 1px solid rgba(251,191,36,0.3);
}

.rsb-link {
  font-size: 0.72rem;
  font-weight: 600;
  color: rgba(196,181,253,0.85);
  white-space: nowrap;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(167,139,250,0.3);
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}

.rsb-link:hover {
  background: rgba(139,92,246,0.2);
  color: #fff;
}

.rsb-link svg {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

@keyframes rsbPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.rsb-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #8b5cf6;
  animation: rsbPulse 1.4s ease-in-out infinite;
  flex-shrink: 0;
}

.rsb-pulse--stopping { background: #fbbf24; }

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .detail-meta-grid { grid-template-columns: 1fr 1fr; }
    sl-button.hero-action-btn { flex-shrink: 0; }
}