/* ═══════════════════════════════════════════════════════════
   Tournament Module — tournament.css
   F5 Phase 1: Foundation
   ═══════════════════════════════════════════════════════════ */

/* ── Container ────────────────────────────────────────────── */
.trn-container {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-4);
}

.trn-detail-container {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-4);
}

/* ── Loading / Empty ──────────────────────────────────────── */
.trn-loading {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-4);
  color: var(--color-text-dim);
  justify-content: center;
  font-size: .9rem;
}

.trn-empty {
  text-align: center;
  padding: var(--space-10) var(--space-4);
  color: var(--color-text-dim);
}

.trn-empty-icon  { font-size: 2.5rem; margin-bottom: var(--space-3); }
.trn-empty-title { font-size: 1.1rem; font-weight: 600; margin-bottom: var(--space-2); }
.trn-empty-sub   { font-size: .85rem; max-width: 320px; margin: 0 auto; }

.trn-empty-inline {
  padding: var(--space-4);
  color: var(--color-text-dim);
  font-size: .85rem;
  text-align: center;
}

/* ── Header ──────────────────────────────────────────────── */
.trn-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.trn-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 var(--space-1);
}

.trn-subtitle {
  font-size: .85rem;
  color: var(--color-text-dim);
  margin: 0;
}

/* ── Section ─────────────────────────────────────────────── */
.trn-section {
  margin-bottom: var(--space-6);
}

.trn-section-title {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-text-dim);
  margin-bottom: var(--space-3);
}

/* ── Landing filter row (dropdown) ───────────────────────── */
.trn-filter-row {
  margin-bottom: var(--space-5);
}

.trn-filter-select {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: .88rem;
  font-weight: 500;
  cursor: pointer;
  min-width: 200px;
}

.trn-filter-select:focus {
  outline: none;
  border-color: var(--color-gold);
}

/* ── Cards grid ──────────────────────────────────────────── */
.trn-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-3);
}

.trn-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: box-shadow .15s;
}

.trn-card:hover {
  box-shadow: 0 2px 12px rgba(0,0,0,.15);
}

.trn-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.trn-card-name {
  font-weight: 700;
  font-size: .95rem;
  line-height: 1.3;
}

.trn-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: .78rem;
  color: var(--color-text-dim);
  margin-bottom: var(--space-2);
}

.trn-card-tagline {
  font-size: .82rem;
  color: var(--color-text-dim);
  margin-bottom: var(--space-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trn-card-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--space-3);
}

/* ── Status badges ──────────────────────────────────────── */
.trn-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.trn-status-draft             { background: rgba(156,163,175,.2); color: var(--color-text-dim); }
.trn-status-registration_open { background: rgba(59,130,246,.18); color: #60a5fa; }
.trn-status-active            { background: rgba(34,197,94,.18);  color: #4ade80; }
.trn-status-playoffs          { background: rgba(234,179,8,.18);  color: #facc15; }
.trn-status-completed         { background: rgba(99,102,241,.18); color: #a78bfa; }

/* ── Detail topbar ───────────────────────────────────────── */
.trn-detail-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.trn-detail-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.trn-detail-name    { font-size: 1.3rem; font-weight: 700; margin: 0 0 var(--space-1); }
.trn-detail-tagline { font-size: .88rem; color: var(--color-text-dim); margin: 0; }

/* ── Tabs ────────────────────────────────────────────────── */
.trn-tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.trn-tab {
  padding: var(--space-2) var(--space-3);
  border: none;
  background: transparent;
  color: var(--color-text-dim);
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  position: relative;
  transition: color .15s, border-color .15s;
}

.trn-tab:hover  { color: var(--color-text); }
.trn-tab.active { color: var(--color-gold); border-bottom-color: var(--color-gold); }

.trn-tab-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gold);
  color: #fff;
  border-radius: 999px;
  font-size: .65rem;
  font-weight: 700;
  padding: 1px 5px;
  min-width: 16px;
  margin-left: 4px;
}

.trn-tab-body { min-height: 200px; }

/* ── Section card ────────────────────────────────────────── */
.trn-section-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.trn-section-card-title {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--color-text-dim);
  margin-bottom: var(--space-3);
}

.trn-section-help {
  font-size: .8rem;
  color: var(--color-text-dim);
  margin-top: var(--space-3);
  line-height: 1.6;
}

/* ── Overview stats grid ─────────────────────────────────── */
.trn-overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

@media (max-width: 560px) {
  .trn-overview-grid { grid-template-columns: repeat(2, 1fr); }
}

.trn-stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  text-align: center;
}

.trn-stat-card--warn { border-color: var(--color-orange, #f97316); }
.trn-stat-card--ok   { border-color: var(--color-green,  #22c55e); }

.trn-stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  font-family: var(--font-display, inherit);
  line-height: 1.2;
}

.trn-stat-label {
  font-size: .72rem;
  color: var(--color-text-dim);
  margin-top: var(--space-1);
}

/* ── Lifecycle ───────────────────────────────────────────── */
.trn-lifecycle-row {
  display: flex;
  align-items: center;
  margin: var(--space-4) 0;
  overflow-x: auto;
  gap: 0;
}

.trn-lifecycle-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  min-width: 80px;
}

.trn-lifecycle-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-border);
  border: 2px solid var(--color-border);
  transition: background .2s;
}

.trn-lifecycle-step.done    .trn-lifecycle-dot { background: var(--color-gold); border-color: var(--color-gold); }
.trn-lifecycle-step.current .trn-lifecycle-dot { background: var(--color-gold); border-color: var(--color-gold); box-shadow: 0 0 0 3px rgba(240,180,41, .25); }

.trn-lifecycle-label {
  font-size: .7rem;
  color: var(--color-text-dim);
  text-align: center;
  white-space: nowrap;
}

.trn-lifecycle-step.done    .trn-lifecycle-label { color: var(--color-text); }
.trn-lifecycle-step.current .trn-lifecycle-label { color: var(--color-gold); font-weight: 700; }

.trn-lifecycle-connector {
  flex: 1;
  height: 2px;
  background: var(--color-border);
  min-width: 20px;
}

.trn-lifecycle-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

/* ── Detail rows ─────────────────────────────────────────── */
.trn-detail-rows { display: flex; flex-direction: column; gap: var(--space-2); }

.trn-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .85rem;
  padding: var(--space-1) 0;
  border-bottom: 1px solid var(--color-border);
}

.trn-detail-row:last-child { border-bottom: none; }
.trn-detail-row > span:first-child { color: var(--color-text-dim); }
.trn-detail-row > span:last-child  { font-weight: 500; }

/* ── Alert ───────────────────────────────────────────────── */
.trn-alert {
  background: rgba(234,179,8,.12);
  border: 1px solid rgba(234,179,8,.3);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  font-size: .85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

/* ── Leagues tab ─────────────────────────────────────────── */
.trn-league-list { display: flex; flex-direction: column; gap: var(--space-2); }

.trn-league-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.trn-league-row-main { display: flex; align-items: center; gap: var(--space-2); flex: 1; min-width: 0; }
.trn-league-row-info { min-width: 0; }
.trn-league-row-name { font-weight: 600; font-size: .88rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.trn-league-row-meta { font-size: .75rem; color: var(--color-text-dim); }
.trn-league-row-actions { display: flex; gap: var(--space-2); flex-shrink: 0; }

.trn-platform-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: .65rem;
  font-weight: 800;
  flex-shrink: 0;
}
.trn-platform-sleeper { background: rgba(90,158,255,.18); color: #5a9eff; }
.trn-platform-mfl     { background: rgba(34,197,94,.18);  color: #4ade80; }
.trn-platform-yahoo   { background: rgba(123,64,242,.18); color: #a78bfa; }
.trn-platform-unknown { background: rgba(156,163,175,.2); color: var(--color-text-dim); }

/* ── Roles tab ───────────────────────────────────────────── */
.trn-roles-list { display: flex; flex-direction: column; gap: var(--space-2); }

.trn-role-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.trn-role-user  { display: flex; align-items: center; gap: var(--space-2); }
.trn-role-right { display: flex; align-items: center; gap: var(--space-2); }

.trn-role-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-gold);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trn-role-name  { font-weight: 600; font-size: .88rem; }
.trn-role-scope { font-size: .75rem; color: var(--color-text-dim); }

.trn-role-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 600;
}

.trn-role-admin     { background: rgba(234,179,8,.18); color: #facc15; }
.trn-role-sub_admin { background: rgba(99,102,241,.18); color: #a78bfa; }

/* ── Registration form tab ───────────────────────────────── */
.trn-reg-type-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.trn-radio-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: .88rem;
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color .15s;
}

.trn-radio-label:has(input:checked) { border-color: var(--color-gold); background: rgba(240,180,41, .06); }

.trn-field-hint { font-size: .78rem; color: var(--color-text-dim); margin-bottom: var(--space-2); }

.trn-field-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: .85rem;
}

.trn-field-row--fixed { background: var(--color-bg); border: 1px solid var(--color-border); margin-bottom: var(--space-1); }

.trn-field-required {
  margin-left: auto;
  font-size: .72rem;
  color: var(--color-text-dim);
  background: var(--color-border);
  padding: 1px 6px;
  border-radius: 999px;
}

.trn-field-icon { flex-shrink: 0; }

.trn-field-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: .88rem;
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  transition: border-color .15s;
}

.trn-field-toggle:has(input:checked) { border-color: var(--color-gold); }

.trn-custom-question-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  flex-wrap: wrap;
}

.trn-q-text { flex: 1; min-width: 140px; }
.trn-q-type { width: 130px; flex-shrink: 0; }
.trn-q-required { display: flex; align-items: center; gap: 4px; font-size: .82rem; white-space: nowrap; cursor: pointer; }

/* ── Registrants tab ─────────────────────────────────────── */
.trn-reg-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  gap: var(--space-3);
}

.trn-reg-count { font-size: .85rem; color: var(--color-text-dim); }
.trn-pending-count { color: var(--color-orange, #f97316); font-weight: 600; }

.trn-reg-section-title {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--color-text-dim);
  margin: var(--space-4) 0 var(--space-2);
}

.trn-reg-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
}

.trn-reg--pending  { border-left: 3px solid var(--color-orange, #f97316); }
.trn-reg--approved { border-left: 3px solid var(--color-green, #22c55e);  }
.trn-reg--denied   { border-left: 3px solid var(--color-red, #ef4444); opacity: .65; }

.trn-reg-main { flex: 1; min-width: 0; }
.trn-reg-name { font-weight: 600; font-size: .9rem; margin-bottom: 2px; }
.trn-reg-meta { font-size: .78rem; color: var(--color-text-dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.trn-reg-date { font-size: .72rem; color: var(--color-text-dim); margin-top: 2px; }

.trn-reg-actions { display: flex; align-items: center; gap: var(--space-2); flex-shrink: 0; }
.trn-reg-status-label { font-size: .75rem; color: var(--color-text-dim); text-transform: capitalize; }

/* ── Form body ───────────────────────────────────────────── */
.trn-form-body .form-group { margin-bottom: var(--space-3); }
.trn-form-actions { display: flex; justify-content: flex-end; margin-top: var(--space-4); }

/* ── Info tab ────────────────────────────────────────────── */
.trn-info-hero {
  text-align: center;
  padding: var(--space-6) var(--space-4) var(--space-4);
}

.trn-info-name    { font-size: 1.4rem; font-weight: 800; margin: 0 0 var(--space-2); }
.trn-info-tagline { font-size: .9rem; color: var(--color-text-dim); margin: 0 0 var(--space-3); }

.trn-info-stats {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.trn-info-stats .trn-stat-card { min-width: 80px; }

/* ── Success screen ──────────────────────────────────────── */
.trn-success {
  text-align: center;
  padding: var(--space-8) var(--space-4);
}

.trn-success-icon { font-size: 2.5rem; margin-bottom: var(--space-3); }
.trn-success h3   { font-size: 1.2rem; margin: 0 0 var(--space-2); }
.trn-success p    { font-size: .88rem; color: var(--color-text-dim); max-width: 380px; margin: 0 auto; }

/* ── Danger zone ─────────────────────────────────────────── */
.trn-danger-zone {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.trn-danger-btn { color: var(--color-red, #ef4444) !important; }

/* ── Input disabled state ─────────────────────────────────── */
.input-disabled {
  opacity: .55;
  cursor: not-allowed;
  pointer-events: none;
}

/* ── Required marker ─────────────────────────────────────── */
.required { color: var(--color-red, #ef4444); }

/* ── Mobile ──────────────────────────────────────────────── */
@media (max-width: 600px) {
  .trn-container,
  .trn-detail-container { padding: var(--space-3); }

  .trn-overview-grid { grid-template-columns: repeat(2, 1fr); }

  .trn-cards-grid { grid-template-columns: 1fr; }

  .trn-detail-title-row { flex-direction: column; gap: var(--space-2); }

  .trn-reg-row { flex-direction: column; align-items: flex-start; }
  .trn-reg-actions { width: 100%; justify-content: flex-end; }

  .trn-league-row { flex-direction: column; align-items: flex-start; }
  .trn-league-row-actions { width: 100%; justify-content: flex-end; }

  .trn-role-row { flex-direction: column; align-items: flex-start; }

  .trn-custom-question-row { flex-direction: column; align-items: stretch; }
  .trn-q-type { width: 100%; }
}