/* ============================================================
   SpellingBee Tracker — Styles
   Mobile-first, optimised for iPhone Safari
   ============================================================ */

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

:root {
  --yellow:     #f7da21;
  --yellow-dk:  #e6c800;
  --bg:         #ffffff;
  --surface:    #f8f8f8;
  --border:     #e0e0e0;
  --text:       #1a1a1a;
  --text-muted: #6b6b6b;
  --invalid:    #b0b0b0;
  --invalid-bg: #f0f0f0;
  --red:        #c0392b;
  --green:      #27ae60;
  --radius:     12px;
  --radius-sm:  8px;
  --shadow:     0 2px 8px rgba(0,0,0,.10);
  --font:       -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html {
  font-family: var(--font);
  font-size: 16px;
  background: var(--bg);
  color: var(--text);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  max-width: 480px;
  margin: 0 auto;
  padding-bottom: env(safe-area-inset-bottom, 16px);
}

/* ── Header ───────────────────────────────────────────────── */
header {
  background: var(--yellow);
  padding: 14px 20px 12px;
  text-align: center;
  border-bottom: 2px solid var(--yellow-dk);
}

header h1 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--text);
}

/* ── Tabs ─────────────────────────────────────────────────── */
.tabs {
  display: flex;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.tab {
  flex: 1;
  padding: 12px 0;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: color .15s, border-bottom .15s;
  border-bottom: 3px solid transparent;
}

.tab.active {
  color: var(--text);
  border-bottom: 3px solid var(--yellow-dk);
}

/* ── Panels ───────────────────────────────────────────────── */
.panel {
  flex: 1;
  padding: 20px 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Type selector (sub-tabs) ─────────────────────────────── */
.type-selector {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.type-btn {
  flex: 1;
  min-width: 100px;
  padding: 9px 6px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
}

.type-btn.active {
  background: var(--yellow);
  border-color: var(--yellow-dk);
  color: var(--text);
}

/* ── Toggle group ─────────────────────────────────────────── */
.toggle-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.toggle-label {
  font-size: .95rem;
  font-weight: 500;
  color: var(--text);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 26px;
  flex-shrink: 0;
  cursor: pointer;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-thumb {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 26px;
  transition: background .2s;
}

.toggle-thumb::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 3px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,.25);
  transition: transform .2s;
}

.toggle-switch input:checked + .toggle-thumb {
  background: var(--yellow-dk);
}

.toggle-switch input:checked + .toggle-thumb::after {
  transform: translateX(18px);
}

/* ── Input group ──────────────────────────────────────────── */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group label {
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* ── Word input ───────────────────────────────────────────── */
.autocomplete-wrapper {
  position: relative;
}

.word-input {
  width: 100%;
  padding: 13px 14px;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  outline: none;
  transition: border-color .15s;
}

.word-input:focus {
  border-color: var(--yellow-dk);
  background: var(--bg);
}

.word-input::placeholder {
  text-transform: none;
  font-weight: 400;
  letter-spacing: 0;
  color: #c0c0c0;
}

/* ── Autocomplete dropdown ────────────────────────────────── */
.dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  list-style: none;
  z-index: 100;
  max-height: 220px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.dropdown li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background .1s;
}

.dropdown li:last-child {
  border-bottom: none;
}

.dropdown li:active,
.dropdown li.focused {
  background: var(--surface);
}

.dropdown .word-name {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: .05em;
}

.dropdown .word-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  color: var(--text-muted);
}

.badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .02em;
}

.badge-invalid {
  background: var(--invalid-bg);
  color: var(--invalid);
}

.badge-missed {
  background: #fff3cd;
  color: #856404;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn-primary {
  width: 100%;
  padding: 14px;
  background: var(--yellow);
  border: 2px solid var(--yellow-dk);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  transition: background .15s;
}

.btn-primary:active {
  background: var(--yellow-dk);
}

.btn-secondary {
  flex: 1;
  padding: 11px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: background .15s;
}

.btn-secondary:active {
  background: var(--border);
}

.btn-ghost {
  background: none;
  border: none;
  padding: 4px 0;
  font-size: .875rem;
  color: var(--yellow-dk);
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── Feedback message ─────────────────────────────────────── */
.feedback {
  font-size: .9rem;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  text-align: center;
}

.feedback.success {
  background: #d4edda;
  color: var(--green);
}

.feedback.error {
  background: #f8d7da;
  color: var(--red);
}

/* ── Result card (explore panel) ──────────────────────────── */
.result-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.result-word {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: .06em;
}

.result-word.invalid {
  color: var(--invalid);
}

.result-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .95rem;
}

.result-label {
  color: var(--text-muted);
  font-weight: 500;
}

.result-value {
  font-weight: 700;
}

.result-section {
  border-top: 1px solid var(--border);
  padding-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.result-section-title {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
}

.cluster-members {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.cluster-chip {
  background: var(--yellow);
  border: 1px solid var(--yellow-dk);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--text);
  cursor: pointer;
  transition: background .15s, transform .1s;
  user-select: none;
}

.cluster-chip:active {
  background: var(--yellow-dk);
  transform: scale(.95);
}

.cluster-chip.invalid {
  background: var(--invalid-bg);
  border-color: var(--border);
  color: var(--invalid);
}

.cluster-chip.invalid:active {
  background: var(--border);
}

.assoc-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.assoc-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .95rem;
}

.assoc-arrow {
  color: var(--text-muted);
  font-size: .8rem;
}

.assoc-word {
  font-weight: 700;
  letter-spacing: .04em;
}

/* ── Letter tiles ─────────────────────────────────────────── */
.letter-tiles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.letter-tile {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: var(--surface);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--text);
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .1s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.letter-tile:active {
  transform: scale(.9);
}

.letter-tile.active {
  background: var(--yellow);
  border-color: var(--yellow-dk);
}

.center-letter-hint {
  font-size: .75rem;
  font-weight: 400;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
}

.cluster-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .9rem;
}

.not-logged-note {
  font-size: .85rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ── Result card edit/delete actions ─────────────────────── */
.result-actions {
  flex-direction: row !important;
  gap: 10px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.btn-edit {
  flex: 1;
  padding: 10px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}

.btn-edit:active { background: var(--border); }

.btn-delete {
  flex: 1;
  padding: 10px;
  background: #fdf0f0;
  border: 1.5px solid #f5c6c6;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 600;
  color: var(--red);
  cursor: pointer;
}

.btn-delete:active { background: #f9d8d8; }

/* ── Inline edit form ─────────────────────────────────────── */
.edit-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.edit-form-actions {
  display: flex;
  gap: 10px;
}

.edit-form-actions .btn-primary {
  flex: 2;
  padding: 11px;
}

.edit-form-actions .btn-secondary {
  flex: 1;
  padding: 11px;
}

/* ── Miss count stepper ───────────────────────────────────── */
.stepper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.stepper-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: var(--surface);
  font-size: 1.2rem;
  line-height: 1;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stepper-btn:active { background: var(--border); }

.stepper-value {
  font-size: 1.1rem;
  font-weight: 700;
  min-width: 24px;
  text-align: center;
}

/* ── All words list ───────────────────────────────────────── */
.word-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.word-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 14px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  cursor: pointer;
  transition: background .1s;
}

.word-list-item:active {
  background: var(--border);
}

.word-list-name {
  font-weight: 700;
  letter-spacing: .05em;
}

.word-list-name.invalid {
  color: var(--invalid);
}

.word-list-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  color: var(--text-muted);
}

/* ── All words filter row ─────────────────────────────────── */
.all-words-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 2px;
}

/* ── Explore sub-views ────────────────────────────────────── */
.explore-view {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Footer ───────────────────────────────────────────────── */
footer {
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

/* ── Utility ──────────────────────────────────────────────── */
[hidden] { display: none !important; }

.empty-state {
  text-align: center;
  color: var(--text-muted);
  font-size: .95rem;
  padding: 24px 0;
}