/* ── Reset & tokens ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --brand:       #7c3aed;
  --brand-light: #a78bfa;
  --brand-dark:  #5b21b6;
  --accent:      #ec4899;
  --gold:        #f59e0b;
  --silver:      #9ca3af;
  --bronze:      #d97706;

  --bg:          #f5f3ff;
  --surface:     #ffffff;
  --border:      #e5e7eb;
  --text:        #1a1a2e;
  --muted:       #6b7280;

  --radius:      0.75rem;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
  --shadow-md:   0 4px 12px rgba(0,0,0,.10);

  --font-sans: system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* ── Base ─────────────────────────────────────────────────── */
html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ───────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 720px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

main.container { flex: 1; padding-block: 2rem; }

/* ── Header ───────────────────────────────────────────────── */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--brand);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.logo:hover { text-decoration: none; }
.logo-bubble {
  font-size: 0.6em;
  color: var(--accent);
  vertical-align: middle;
  line-height: 1;
}

.site-nav { display: flex; gap: 1.5rem; }
.site-nav a {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.15s;
}
.site-nav a:hover { color: var(--brand); text-decoration: none; }

.site-nav-divider {
  width: 1px;
  height: 1rem;
  background: var(--border);
  display: inline-block;
  vertical-align: middle;
}
.debug-link { font-size: 0.8rem !important; color: var(--muted) !important; }
.debug-link:hover { color: var(--brand) !important; }
.debug-link.active { color: var(--brand) !important; }

/* ── Hero ─────────────────────────────────────────────────── */
.hero { margin-bottom: 2rem; }

.hero h1 {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.hero-sub {
  color: var(--muted);
  font-size: 1rem;
}

#tagline-phrase {
  display: inline-block;
  will-change: transform, opacity;
}

/* ── Search ───────────────────────────────────────────────── */
.search-section { margin-bottom: 2rem; }

.search-form {
  display: flex;
  gap: 0;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.search-form:focus-within {
  border-color: var(--brand-light);
  box-shadow: 0 0 0 3px rgba(124,58,237,.12);
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  background: transparent;
  color: var(--text);
}
.search-input::placeholder { color: var(--muted); }

.search-btn {
  border: none;
  background: transparent;
  padding: 0 1rem;
  cursor: pointer;
  color: var(--muted);
  display: flex;
  align-items: center;
  transition: color 0.15s;
}
.search-btn:hover { color: var(--brand); }

/* ── Chart ────────────────────────────────────────────────── */
.chart-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.chart-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.chart-meta {
  font-size: 0.8rem;
  color: var(--muted);
}

.chart-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

/* ── Lyric card ───────────────────────────────────────────── */
.lyric-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, border-color 0.15s;
  animation: cardIn 0.2s ease both;
}
.lyric-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--brand-light);
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.rank {
  font-size: 1.1rem;
  font-weight: 800;
  min-width: 2rem;
  text-align: center;
  flex-shrink: 0;
}
.rank-1 { color: var(--gold); }
.rank-2 { color: var(--silver); }
.rank-3 { color: var(--bronze); }
.rank-other { color: var(--muted); font-size: 0.9rem; }

.lyric-body { flex: 1; min-width: 0; }

.lyric-text {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.25rem;
  /* Render the lyric in a subtle quote style */
  position: relative;
}
.lyric-text::before {
  content: '\201C';
  color: var(--brand-light);
  margin-right: 0.1em;
}
.lyric-text::after {
  content: '\201D';
  color: var(--brand-light);
  margin-left: 0.1em;
}

.lyric-meta {
  font-size: 0.82rem;
  color: var(--muted);
}
.lyric-meta strong { color: var(--text); font-weight: 600; }

/* ── Vote button ──────────────────────────────────────────── */
.vote-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 0.625rem;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  flex-shrink: 0;
  color: var(--muted);
  min-width: 3.5rem;
}
.vote-btn:hover:not(:disabled) {
  background: #f5f3ff;
  border-color: var(--brand-light);
  color: var(--brand);
}
.vote-btn.voted {
  background: #f5f3ff;
  border-color: var(--brand);
  color: var(--brand);
}
.vote-btn:disabled {
  cursor: default;
  opacity: 0.55;
}
/* Previously voted (not today) — subtle purple border, can vote again */
.vote-btn.previously-voted {
  border-color: var(--brand-light);
  color: var(--brand-light);
}
.vote-btn.previously-voted:hover:not(:disabled) {
  background: #f5f3ff;
  border-color: var(--brand);
  color: var(--brand);
}

/* Voted today — retractable, swaps heart for ✕ after a deliberate hover pause.
   Both icons stack in the same grid cell; opacity + transition-delay does the swap.
   Mouse-leave snaps back instantly so it never feels laggy. */
.vote-btn.retractable {
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.vote-btn.retractable .vote-icon {
  display: grid;
  place-items: center;
}
.vote-btn.retractable .icon-default,
.vote-btn.retractable .icon-hover  { grid-area: 1 / 1; }
.vote-btn.retractable .icon-default { opacity: 1; transition: opacity 0.1s; }
.vote-btn.retractable .icon-hover   { opacity: 0; transition: opacity 0.1s; }

/* Delay kicks in on hover — ✕ and pink colour only appear after 450 ms */
.vote-btn.retractable:hover {
  background: #fff0f3;
  border-color: var(--accent);
  color: var(--accent);
  transition: background 0.15s 0.45s, border-color 0.15s 0.45s, color 0.15s 0.45s;
}
.vote-btn.retractable:hover .icon-default { opacity: 0; transition: opacity 0.1s 0.45s; }
.vote-btn.retractable:hover .icon-hover   { opacity: 1; transition: opacity 0.1s 0.45s; }

.vote-icon { font-size: 1.1rem; line-height: 1; }
.vote-count { font-size: 0.78rem; font-weight: 700; }

/* ── Empty state ──────────────────────────────────────────── */
.no-results {
  text-align: center;
  color: var(--muted);
  padding: 3rem 1rem;
}
.hidden { display: none; }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding-block: 1.5rem;
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  text-align: center;
}

.footer-inner p { font-size: 0.875rem; color: var(--muted); }
.footer-inner a { color: var(--brand); }

.footer-note { font-size: 0.8rem !important; }

/* ── Lyric submission ─────────────────────────────────────── */
.add-prompt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  margin-top: 0.75rem;
}
.add-prompt--prominent {
  border-color: var(--brand-light);
  background: #faf5ff;
}
.add-prompt-text { color: var(--muted); font-size: 0.88rem; }
.add-prompt--prominent .add-prompt-text { color: var(--brand); }
.add-prompt-btn {
  padding: 0.35rem 0.85rem;
  border: 1.5px solid var(--brand);
  border-radius: 99px;
  background: transparent;
  color: var(--brand);
  font-family: inherit;
  font-size: 0.83rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}
.add-prompt-btn:hover { background: var(--brand); color: #fff; }

.add-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--brand);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1rem;
  margin-top: 0.75rem;
  box-shadow: var(--shadow-sm);
}
.add-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.3rem;
}
.add-panel-title { font-size: 1rem; font-weight: 700; color: var(--brand); }
.add-panel-sub {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 1rem;
  line-height: 1.4;
}
.add-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}
.add-close:hover { color: var(--text); background: var(--border); }

.add-field { margin-bottom: 0.85rem; }
.add-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.3rem;
}
.add-required { color: var(--accent); }
.add-input, .add-textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-family: inherit;
  font-size: 0.9rem;
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
  resize: vertical;
}
.add-input:focus, .add-textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(124,58,237,.1);
}
.add-field-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.25rem;
  min-height: 1.1em;
}
.add-char-count { font-size: 0.74rem; color: var(--muted); margin-left: auto; }
.add-char-count--over { color: #dc2626; font-weight: 700; }
.add-error { font-size: 0.78rem; color: #dc2626; display: block; min-height: 1em; }

.add-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
.add-submit-btn {
  padding: 0.5rem 1.25rem;
  border: none;
  border-radius: 99px;
  background: var(--brand);
  color: #fff;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s;
}
.add-submit-btn:hover:not(:disabled) { background: var(--brand-dark); }
.add-submit-btn:disabled { opacity: 0.65; cursor: default; }
.add-cancel-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0.5rem;
  transition: color 0.15s;
}
.add-cancel-btn:hover { color: var(--text); }

.add-success {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: #f0fdf4;
  border: 1px solid #86efac;
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: #15803d;
  line-height: 1.4;
}
.add-success-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.05rem; }
.add-success .add-close { margin-left: auto; flex-shrink: 0; }

/* ── Debug pages ──────────────────────────────────────────── */
.debug-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.debug-header h1 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.debug-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fcd34d;
  border-radius: 0.3rem;
  padding: 0.15rem 0.45rem;
}
.debug-note { font-size: 0.85rem; color: var(--muted); margin-bottom: 1.25rem; }
.debug-table-wrap { overflow-x: auto; margin-bottom: 1rem; }
.debug-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.debug-table th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  background: var(--bg);
  border-bottom: 2px solid var(--border);
  font-weight: 700;
  white-space: nowrap;
  color: var(--text);
}
.debug-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: top;
}
.debug-table tr:last-child td { border-bottom: none; }
.debug-table tr:hover td { background: var(--bg); }
.debug-table .num  { text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }
.debug-table .mono { font-family: ui-monospace, monospace; font-size: 0.8rem; color: var(--muted); }
.debug-table .lyric-cell { max-width: 320px; }

.debug-pagination { display: flex; gap: 0.5rem; margin-top: 1rem; }
.pg-btn {
  padding: 0.4rem 0.9rem;
  border: 1.5px solid var(--border);
  border-radius: 0.5rem;
  background: var(--surface);
  cursor: pointer;
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--brand);
  font-weight: 500;
  transition: background 0.15s, border-color 0.15s;
}
.pg-btn:hover { background: var(--bg); border-color: var(--brand-light); }

/* ── BubbleTrouble hub ────────────────────────────────────── */
.bt-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1rem;
}
.bt-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  box-shadow: var(--shadow-sm);
}
.bt-stat-val {
  font-size: 1.75rem;
  font-weight: 800;
  color: #d97706;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.bt-stat-label { font-size: 0.8rem; color: var(--muted); }

.bt-cards { display: flex; flex-direction: column; gap: 0.75rem; }
.bt-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, border-color 0.15s;
  text-decoration: none;
}
.bt-card:hover {
  box-shadow: var(--shadow-md);
  border-color: #fcd34d;
  text-decoration: none;
}
.bt-card-title { font-weight: 700; color: var(--text); min-width: 4rem; }
.bt-card-desc  { flex: 1; font-size: 0.875rem; color: var(--muted); }
.bt-card-arrow { color: #d97706; font-size: 1.1rem; }

.bt-utils { display: flex; flex-direction: column; gap: 0.75rem; }
.bt-util {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
}
.bt-util-info  { flex: 1; display: flex; flex-direction: column; gap: 0.2rem; min-width: 200px; }
.bt-util-title { font-weight: 700; font-size: 0.95rem; color: var(--text); }
.bt-util-desc  { font-size: 0.82rem; color: var(--muted); }

.bt-util-btn {
  padding: 0.4rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 0.5rem;
  background: var(--surface);
  cursor: pointer;
  font-size: 0.875rem;
  font-family: inherit;
  font-weight: 600;
  color: var(--text);
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.bt-util-btn:hover:not(:disabled) { background: var(--bg); border-color: #d97706; color: #d97706; }
.bt-util-btn:disabled { opacity: 0.5; cursor: default; }
.bt-util-btn--danger:hover:not(:disabled) { border-color: #dc2626; color: #dc2626; }

.bt-confirm {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  background: #fffbeb;
  border: 1px solid #fcd34d;
  border-radius: 0.5rem;
  padding: 0.6rem 0.9rem;
  font-size: 0.85rem;
}
.bt-confirm-msg  { flex: 1; color: #92400e; min-width: 200px; }
.bt-confirm-yes  {
  padding: 0.35rem 0.9rem;
  border: none;
  border-radius: 0.4rem;
  background: #d97706;
  color: #fff;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s;
}
.bt-confirm-yes:hover:not(:disabled) { background: #b45309; }
.bt-confirm-yes:disabled { opacity: 0.6; cursor: default; }
.bt-confirm-yes--danger  { background: #dc2626; }
.bt-confirm-yes--danger:hover:not(:disabled) { background: #b91c1c; }
.bt-confirm-cancel {
  padding: 0.35rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 0.4rem;
  background: #fff;
  font-family: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  color: var(--muted);
  transition: border-color 0.15s;
}
.bt-confirm-cancel:hover { border-color: var(--text); color: var(--text); }
.bt-confirm-input {
  padding: 0.3rem 0.6rem;
  border: 1px solid #fcd34d;
  border-radius: 0.4rem;
  font-family: inherit;
  font-size: 0.82rem;
  background: #fff;
  color: var(--text);
  width: 13rem;
}
.bt-confirm-input:focus { outline: 2px solid #d97706; outline-offset: 1px; }

/* ── About page ───────────────────────────────────────────── */
.about-content { max-width: 560px; }
.about-content h1 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}
.about-content h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
}
.about-content p { color: var(--muted); margin-bottom: 0.75rem; line-height: 1.7; }
.about-content p a { font-weight: 500; }
.back-link { display: inline-flex; align-items: center; gap: 0.3rem; margin-bottom: 2rem; font-weight: 500; font-size: 0.9rem; color: var(--muted); }
.back-link:hover { color: var(--brand); text-decoration: none; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 480px) {
  .lyric-text { font-size: 0.93rem; }
  .vote-btn { min-width: 3rem; padding-inline: 0.5rem; }
}