/* ── Design foundations ───────────────────────────────────────────────
   Shared primitives extracted from the pages that already look right
   (project_overview.html, project_workflow.html) so every other page can
   reach the same quality bar with a class instead of a bespoke rule.
   Pure additions only — nothing here is wired into a page by default. */

/* ── Panels ── */
.panel {
  background: var(--surface);
  backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
}
.panel-inset {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

/* ── Typography utilities ── */
.heading-lg {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  color: var(--heading);
}
.heading-md {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  color: var(--heading);
}
.label-section {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
}

/* ── Stat display — never renders a bare "0" before real data loads.
   Markup contract: <div class="stat-value" data-loading>—</div>, then JS
   replaces the text (and removes [data-loading]) once the fetch resolves. */
.stat-tile {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 24px;
  font-weight: 800;
  color: var(--heading);
  line-height: 1.2;
}
.stat-value[data-loading] {
  color: var(--text-muted);
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
}

/* ── Stepper — deliberately no "not started" state. Step 1 is is-active
   from first paint. ── */
.stepper {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.stepper-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  opacity: .45;
  transition: opacity var(--dur-base) var(--ease-standard);
}
.stepper-step.is-active,
.stepper-step.is-done {
  opacity: 1;
}
.stepper-step-dot {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 700;
  border: 1.5px solid var(--glass-border);
  background: var(--bg-alt);
  color: var(--text-muted);
  transition: all var(--dur-base) var(--ease-standard);
}
.stepper-step.is-active .stepper-step-dot {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-tint-12);
  box-shadow: 0 0 0 3px var(--accent-tint-08);
}
.stepper-step.is-done .stepper-step-dot {
  border-color: var(--success);
  color: var(--success);
  background: var(--success-tint);
}
.stepper-step-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--heading);
}
.stepper-step-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── Annotation — italic helper text ── */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.annotation {
  font-family: 'JetBrains Mono', monospace;
  font-style: italic;
  font-size: 11.5px;
  color: var(--text-muted);
}

/* ── Progress track — 8% fill floor so it can never render visually empty ── */
.progress-track {
  width: 100%;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--glass-border);
  overflow: hidden;
}
.progress-track-fill {
  height: 100%;
  min-width: 8%;
  border-radius: var(--radius-pill);
  background: var(--gradient-1);
  transition: width var(--dur-slow) var(--ease-standard);
}

/* ── Chip / chip-input — tag-list entry (domains, sources, etc.) ── */
.chip-input {
  display: flex;
  gap: 8px;
}
.chip-input input {
  flex: 1;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: var(--bg);
  color: var(--text);
  font-size: 13.5px;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: all var(--dur-base) var(--ease-standard);
}
.chip-input input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--glow);
}
.chip-input button {
  flex: 0 0 auto;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: var(--surface);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-standard);
}
.chip-input button:hover { background: var(--surface-hover); border-color: var(--accent); }
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px 5px 12px;
  border-radius: var(--radius-pill);
  background: var(--accent-tint-08);
  border: 1px solid var(--glass-border);
  font-size: 12px;
  color: var(--accent2);
  font-family: 'JetBrains Mono', monospace;
}
.chip-remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
  line-height: 1;
  transition: all var(--dur-fast) var(--ease-standard);
}
.chip-remove:hover { background: var(--danger-tint); color: var(--danger); }

/* ── Skeleton shimmer — perceived-performance placeholder for first-load
   fetches, instead of a blank/zero flash. ── */
.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--glass);
  border-radius: var(--radius-sm);
}
.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--surface-hover), transparent);
  animation: skeleton-shimmer 1.4s ease-in-out infinite;
}
@keyframes skeleton-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ── Empty state — one canonical component so "no data" always reads as
   an invitation, never a dead end. ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-2);
  padding: var(--space-8) var(--space-5);
}
.empty-state-icon {
  width: 40px;
  height: 40px;
  color: var(--text-muted);
  opacity: .5;
  margin-bottom: var(--space-2);
}
.empty-state-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--heading);
}
.empty-state-body {
  font-size: 13px;
  color: var(--text-muted);
  max-width: 360px;
  line-height: 1.5;
}
.empty-state-cta {
  margin-top: var(--space-2);
}

/* ── Disclosure — progressive-disclosure toggle ("Advanced" sections) ── */
.disclosure-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--accent);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 0;
  font-family: 'Inter', sans-serif;
}
.disclosure-trigger svg {
  width: 12px;
  height: 12px;
  transition: transform var(--dur-base) var(--ease-standard);
}
.disclosure-trigger.open svg { transform: rotate(90deg); }
.disclosure-body {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows var(--dur-slow) var(--ease-standard), opacity var(--dur-base) var(--ease-standard);
}
.disclosure-body.open {
  grid-template-rows: 1fr;
  opacity: 1;
}
.disclosure-body > div { overflow: hidden; }