/* ====================================================================
   HeatCheck App UI — extends theme.css variables, never overrides.
   ================================================================== */

/* ── Nav ─────────────────────────────────────────────────────────── */
.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

.app-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 10%;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(12px);
  z-index: 100;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  letter-spacing: 0.3px;
  transition: color 0.2s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--fg);
}

.accent-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Landing page CTA button ─────────────────────────────────────── */
#cta-launch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 18px 40px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  margin-top: 8px;
  transition: opacity 0.2s, transform 0.15s;
}

#cta-launch:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

/* ── Analyze page ────────────────────────────────────────────────── */
.analyze-main {
  flex: 1;
  padding: 72px 10%;
  max-width: 860px;
}

.analyze-hero {
  margin-bottom: 48px;
}

.analyze-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}

.analyze-lede {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 520px;
}

.analyze-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  margin-bottom: 36px;
}

.field-group {
  margin-bottom: 28px;
}

.field-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--fg-muted);
  margin-bottom: 10px;
}

.field-input {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--fg);
  outline: none;
  transition: border-color 0.2s;
}

.field-input:focus {
  border-color: rgba(255, 61, 0, 0.5);
}

.field-input::placeholder {
  color: var(--fg-dim);
}

.field-hint {
  font-size: 12px;
  color: var(--fg-dim);
  margin-top: 8px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient-accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 16px 32px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
}

.btn-primary:hover:not(:disabled) {
  opacity: 0.88;
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary.btn-sm {
  padding: 10px 20px;
  font-size: 13px;
}

.btn-arrow {
  font-size: 18px;
  line-height: 1;
}

.status-box {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 14px 18px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--fg-muted);
}

.status-box.hidden {
  display: none;
}

.status-pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.4s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.status-error { color: #ff6b6b; }
.status-ok { color: #4caf82; }

.analyze-features {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.mini-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--fg-muted);
}

.mini-icon {
  font-size: 16px;
}

/* ── Results page ────────────────────────────────────────────────── */
.results-main {
  flex: 1;
  padding: 48px 10%;
}

.results-header {
  margin-bottom: 40px;
}

.back-link {
  font-size: 13px;
  color: var(--fg-muted);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 24px;
  transition: color 0.2s;
}

.back-link:hover { color: var(--fg); }

.track-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.track-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.platform-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--fg-dim);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
}

.track-status-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: #4caf82;
}

.track-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 4px;
}

.track-artist {
  font-size: 15px;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

.track-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--accent-secondary);
  border: 1px solid rgba(255, 109, 51, 0.3);
  border-radius: 6px;
  padding: 4px 10px;
}

.track-vibe {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

.pitches-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 20px;
}

.pitches-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
}

.pitches-sub {
  font-size: 13px;
  color: var(--fg-dim);
}

.pitches-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 80px;
}

.pitch-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}

.pitch-item:hover { border-color: rgba(255, 61, 0, 0.2); }

.pitch-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  user-select: none;
}

.curator-name {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 4px;
}

.playlist-name {
  font-size: 13px;
  color: var(--fg-muted);
}

.pitch-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.match-score {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
}

.pitch-status-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.status-draft { background: rgba(136, 136, 136, 0.15); color: var(--fg-dim); }
.status-sent { background: rgba(76, 175, 130, 0.15); color: #4caf82; }
.status-dismissed { background: rgba(255, 107, 107, 0.1); color: #ff6b6b; }

.expand-icon {
  font-size: 20px;
  font-weight: 300;
  color: var(--fg-dim);
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.pitch-body {
  border-top: 1px solid var(--border);
  padding: 24px;
}

.pitch-body.hidden { display: none; }

.email-subject {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

.email-body {
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg);
  background: var(--bg-elevated);
  border-radius: 8px;
  padding: 20px;
  white-space: pre-wrap;
  margin-bottom: 16px;
}

.pitch-actions {
  display: flex;
  gap: 12px;
}

.btn-copy,
.btn-mark-sent {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  border-radius: 6px;
  padding: 8px 18px;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s;
}

.btn-copy {
  background: var(--gradient-accent);
  color: #fff;
}

.btn-mark-sent {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg-muted);
}

.btn-copy:hover,
.btn-mark-sent:hover { opacity: 0.75; }

/* ── Dashboard ────────────────────────────────────────────────────── */
.dashboard-main {
  flex: 1;
  padding: 60px 10%;
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
}

.dashboard-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -1px;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}

.stat-lbl {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.5px;
}

.tracks-table {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.track-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s;
}

.track-row:hover {
  border-color: rgba(255, 61, 0, 0.25);
  transform: translateX(3px);
}

.track-row-title {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 4px;
}

.track-row-artist {
  font-size: 13px;
  color: var(--fg-muted);
}

.track-row-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.track-row-date {
  font-size: 12px;
  color: var(--fg-dim);
}

/* ── Loading / Empty / Error states ──────────────────────────────── */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 80px 0;
  color: var(--fg-muted);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 80px 0;
  text-align: center;
  color: var(--fg-muted);
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 8px;
}

.empty-state h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--fg);
}

.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 80px 0;
  text-align: center;
  color: #ff6b6b;
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .app-nav { padding: 16px 6%; }
  .analyze-main,
  .results-main,
  .dashboard-main { padding: 40px 6%; }
  .analyze-card { padding: 24px; }
  .stats-row { grid-template-columns: 1fr; gap: 12px; }
  .pitch-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .dashboard-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .track-row { flex-direction: column; align-items: flex-start; gap: 12px; }
  .pitches-header { flex-direction: column; gap: 4px; }
}