/* ── Telegram theme + fallbacks ─────────────────────────────── */
:root {
  --tg-bg:      var(--tg-theme-bg-color, #1c1c1e);
  --tg-card:    var(--tg-theme-secondary-bg-color, #2c2c2e);
  --tg-text:    var(--tg-theme-text-color, #ffffff);
  --tg-hint:    var(--tg-theme-hint-color, #8e8e93);
  --tg-accent:  var(--tg-theme-button-color, #007aff);
  --tg-link:    var(--tg-theme-link-color, #007aff);

  --rarity-common:    #9e9e9e;
  --rarity-uncommon:  #4caf50;
  --rarity-rare:      #2196f3;
  --rarity-epic:      #9c27b0;
  --rarity-legendary: #ff9800;

  --radius: 12px;
  --radius-sm: 8px;
  --strip: 4px;
}

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

html, body {
  height: 100%;
  background: var(--tg-bg);
  color: var(--tg-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

#app {
  min-height: 100dvh;
  padding-bottom: env(safe-area-inset-bottom, 16px);
}

/* ── Spinner ─────────────────────────────────────────────────── */
.spinner-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 50vh;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid color-mix(in srgb, var(--tg-accent) 30%, transparent);
  border-top-color: var(--tg-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* ── Screen header ───────────────────────────────────────────── */
.screen-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--tg-bg);
  padding: calc(env(safe-area-inset-top, 0px) + 12px) 16px 12px;
  border-bottom: 1px solid color-mix(in srgb, var(--tg-hint) 20%, transparent);
}

.screen-header h1 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.screen-header .subtitle {
  font-size: 0.8rem;
  color: var(--tg-hint);
  margin-top: 2px;
}

/* ── List container ──────────────────────────────────────────── */
.list {
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ── Group card ──────────────────────────────────────────────── */
.group-card {
  background: var(--tg-card);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: opacity 0.15s;
  text-decoration: none;
  color: inherit;
}

.group-card:active { opacity: 0.6; }

.group-card__info { flex: 1; min-width: 0; }

.group-card__title {
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.group-card__meta {
  font-size: 0.8rem;
  color: var(--tg-hint);
  margin-top: 2px;
}

.group-card__arrow {
  color: var(--tg-hint);
  font-size: 1.1rem;
  margin-left: 12px;
  flex-shrink: 0;
}

/* ── Category header ─────────────────────────────────────────── */
.cat-header {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--tg-hint);
  padding: 16px 0 6px;
}

/* ── Achievement card ────────────────────────────────────────── */
.ach-card {
  background: var(--tg-card);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.ach-card__main {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.ach-card__strip {
  width: var(--strip);
  align-self: stretch;
  flex-shrink: 0;
  border-radius: var(--strip) 0 0 var(--strip);
}

.ach-card__body {
  flex: 1;
  min-width: 0;
  padding: 12px 14px 10px;
}

.ach-card__title-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ach-card__icon { font-size: 1.1rem; flex-shrink: 0; }

.ach-card__title {
  font-size: 0.95rem;
  font-weight: 600;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ach-card__rarity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.ach-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  flex-wrap: wrap;
}

.ach-card__points {
  font-size: 0.78rem;
  color: var(--tg-hint);
}

.ach-card__progress {
  flex: 1;
  min-width: 80px;
}

.progress-bar {
  height: 4px;
  background: color-mix(in srgb, var(--tg-hint) 25%, transparent);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  border-radius: 2px;
  background: var(--tg-accent);
  transition: width 0.3s ease;
}

.progress-label {
  font-size: 0.72rem;
  color: var(--tg-hint);
  margin-top: 3px;
}

/* ── Achievement detail (accordion) ─────────────────────────── */
.ach-card__detail {
  padding: 0 14px 0 calc(var(--strip) + 14px);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.25s ease, padding 0.25s ease;
}

.ach-card.open .ach-card__detail {
  max-height: 400px;
  padding-bottom: 12px;
}

.ach-card__desc {
  font-size: 0.85rem;
  color: var(--tg-hint);
  line-height: 1.5;
}

.ach-card__achievers {
  margin-top: 8px;
  font-size: 0.8rem;
  line-height: 1.6;
}

.achievers-label {
  color: var(--tg-hint);
  margin-right: 4px;
}

.achiever {
  display: inline-block;
  background: color-mix(in srgb, var(--tg-hint) 12%, transparent);
  border-radius: 10px;
  padding: 1px 8px;
  margin: 2px 2px 0 0;
  color: var(--tg-text);
  font-size: 0.78rem;
}

.badge {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid color-mix(in srgb, var(--tg-hint) 40%, transparent);
  color: var(--tg-hint);
}

/* ── Rarity strip colors ─────────────────────────────────────── */
.strip-COMMON    { background: var(--rarity-common); }
.strip-UNCOMMON  { background: var(--rarity-uncommon); }
.strip-RARE      { background: var(--rarity-rare); }
.strip-EPIC      { background: var(--rarity-epic); }
.strip-LEGENDARY { background: var(--rarity-legendary); }

.dot-COMMON    { background: var(--rarity-common); }
.dot-UNCOMMON  { background: var(--rarity-uncommon); }
.dot-RARE      { background: var(--rarity-rare); }
.dot-EPIC      { background: var(--rarity-epic); }
.dot-LEGENDARY { background: var(--rarity-legendary); }

.badge-COMMON    { border-color: var(--rarity-common);    color: var(--rarity-common); }
.badge-UNCOMMON  { border-color: var(--rarity-uncommon);  color: var(--rarity-uncommon); }
.badge-RARE      { border-color: var(--rarity-rare);      color: var(--rarity-rare); }
.badge-EPIC      { border-color: var(--rarity-epic);      color: var(--rarity-epic); }
.badge-LEGENDARY { border-color: var(--rarity-legendary); color: var(--rarity-legendary); }

/* ── Admin: header row ───────────────────────────────────────── */
.screen-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.admin-link {
  font-size: 1.2rem;
  text-decoration: none;
  padding: 4px;
  line-height: 1;
}

/* ── Admin: menu items (home) ────────────────────────────────── */
.admin-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--tg-card);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--tg-text);
  margin-bottom: 8px;
}

.admin-menu-item__icon { font-size: 1.4rem; }
.admin-menu-item__label { flex: 1; font-size: 1rem; font-weight: 600; }
.admin-menu-item__arrow { color: var(--tg-hint); font-size: 1.2rem; }

/* ── Admin: list items ───────────────────────────────────────── */
.admin-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--tg-hint) 15%, transparent);
}

.admin-item--inactive { opacity: 0.5; }
.admin-item--prereq { padding: 8px 0; }

.admin-item__icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  width: 32px;
  text-align: center;
}

.admin-item__info { flex: 1; min-width: 0; }
.admin-item__title { font-size: 0.9rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.admin-item__meta { font-size: 0.75rem; color: var(--tg-hint); margin-top: 2px; }

.badge-inactive {
  font-size: 0.68rem;
  padding: 1px 6px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--tg-hint) 20%, transparent);
  color: var(--tg-hint);
  margin-left: 6px;
  vertical-align: middle;
}

/* ── Admin: form ─────────────────────────────────────────────── */
.admin-form {
  padding: 0 16px 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.admin-error {
  background: color-mix(in srgb, #f44336 15%, transparent);
  color: #f44336;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.85rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.form-group label {
  font-size: 0.75rem;
  color: var(--tg-hint);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.form-input, .form-select, .form-textarea {
  background: var(--tg-card);
  border: 1px solid color-mix(in srgb, var(--tg-hint) 30%, transparent);
  border-radius: var(--radius-sm);
  color: var(--tg-text);
  font-size: 0.95rem;
  padding: 10px 12px;
  width: 100%;
  outline: none;
  font-family: inherit;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--tg-accent);
}

.form-input[readonly] { opacity: 0.55; }
.form-input--sm { width: 72px; flex-shrink: 0; }
.form-textarea { min-height: 80px; resize: vertical; }
.form-select { appearance: none; cursor: pointer; }

.form-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  cursor: pointer;
  padding: 4px 0;
}

.form-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--tg-accent);
}

.form-section {
  border-top: 1px solid color-mix(in srgb, var(--tg-hint) 20%, transparent);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-section__title {
  font-size: 0.8rem;
  color: var(--tg-hint);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  margin-bottom: 4px;
}

.hint-text {
  color: var(--tg-hint);
  font-size: 0.85rem;
  padding: 8px 0;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn-primary, .btn-secondary, .btn-danger {
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn-primary  { background: var(--tg-accent); color: #fff; }
.btn-secondary { background: color-mix(in srgb, var(--tg-hint) 20%, transparent); color: var(--tg-text); }
.btn-danger   { background: #f44336; color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 0.82rem; }

/* ── Chain group ─────────────────────────────────────────────── */
.chain-group {
  border-left: 2px solid var(--tg-accent);
  margin: 4px 0 12px 0;
  padding-left: 8px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.chain-header {
  font-size: 0.72rem;
  color: var(--tg-hint);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 2px 6px;
}

/* ── Empty state ─────────────────────────────────────────────── */
.empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--tg-hint);
  font-size: 0.9rem;
}

.empty__icon { font-size: 2.5rem; margin-bottom: 12px; }

/* ── Error state ─────────────────────────────────────────────── */
.error-wrap {
  padding: 32px 24px;
  text-align: center;
}

.error-wrap p { color: var(--tg-hint); font-size: 0.9rem; margin-bottom: 16px; }

.btn-retry {
  background: var(--tg-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

/* ── Personal page: status badges ───────────────────────────── */
.status-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: 6px;
  margin-left: 4px;
}

.status-achieved  { background: color-mix(in srgb, #4caf50 20%, transparent); color: #4caf50; }
.status-locked    { background: color-mix(in srgb, var(--tg-hint) 15%, transparent); color: var(--tg-hint); }
.status-cooldown  { background: color-mix(in srgb, #ff9800 20%, transparent); color: #ff9800; }

/* Dim locked achievement cards */
.ach-card--my.status-locked { opacity: 0.55; }

/* Action buttons below title row */
.ach-card__actions {
  margin-top: 6px;
}

/* ── Claim inline form ───────────────────────────────────────── */
.claim-form {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.claim-form .form-textarea {
  min-height: 70px;
  font-size: 0.85rem;
}

.claim-form__actions {
  display: flex;
  gap: 8px;
}

.claim-form__error {
  color: #f44336;
  font-size: 0.8rem;
  padding: 4px 0;
}

/* ── Pending claims section ──────────────────────────────────── */
.claims-section {
  margin: 8px 16px 4px;
  background: var(--tg-card);
  border-radius: var(--radius);
  padding: 12px 14px;
}

.claims-section__title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--tg-hint);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 8px;
}

.claim-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--tg-hint) 15%, transparent);
}

.claim-item:last-child { border-bottom: none; }

.claim-item__title {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--tg-text);
}

.claim-item__meta {
  font-size: 0.75rem;
  color: var(--tg-hint);
}