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

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --success: #16a34a;
  --success-bg: #dcfce7;
  --danger: #dc2626;
  --danger-bg: #fee2e2;
  --warning: #d97706;
  --bg: #f0f4f8;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --nav-h: 64px;
  --header-h: 56px;
  --r: 14px;
  --r-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
}

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

#app {
  height: 100dvh;
  display: flex;
  flex-direction: column;
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg);
}

/* ── Header ──────────────────────────────────────────────────────────────── */

#app-header {
  height: var(--header-h);
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(37,99,235,.3);
  z-index: 10;
}

#page-title {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#header-actions { display: flex; gap: 6px; flex-shrink: 0; }

.icon-btn {
  width: 38px;
  height: 38px;
  border: none;
  background: rgba(255,255,255,.15);
  border-radius: 8px;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s;
  flex-shrink: 0;
}
.icon-btn:hover { background: rgba(255,255,255,.25); }
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn.hidden { display: none !important; }

/* ── Main content ───────────────────────────────────────────────────────── */

#main-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  padding-bottom: calc(var(--nav-h) + 12px);
}

/* ── Bottom nav ─────────────────────────────────────────────────────────── */

#bottom-nav {
  height: var(--nav-h);
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  flex-shrink: 0;
  z-index: 10;
}

.nav-tab {
  flex: 1;
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  font-size: 0.7rem;
  font-weight: 500;
  transition: color .15s;
  padding: 8px 0;
}
.nav-tab svg { width: 22px; height: 22px; }
.nav-tab.active { color: var(--primary); }

/* ── Cards ──────────────────────────────────────────────────────────────── */

.card {
  background: var(--surface);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 12px;
}

.card.clickable { cursor: pointer; transition: box-shadow .15s, transform .1s; }
.card.clickable:active { transform: scale(.985); }
.card.clickable:hover { box-shadow: var(--shadow-md); }

/* ── Start rehearsal prompt ─────────────────────────────────────────────── */
.start-rehearsal-btn {
  display: block;
  width: 100%;
  padding: 14px;
  margin-bottom: 16px;
  border-radius: var(--r);
  border: 2px dashed var(--primary);
  background: transparent;
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  transition: background .15s;
}
.start-rehearsal-btn:hover  { background: var(--primary-bg, #ede9fe); }
.start-rehearsal-btn:active { transform: scale(.98); }

/* ── Rehearsal list cards ────────────────────────────────────────────────── */
.rh-card { border-left: 4px solid transparent; padding-left: 12px; }
.rh-card-open  { border-left-color: var(--primary); }
.rh-card-ended { border-left-color: var(--border); }

.rh-status-row { display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap; }
.rh-badge {
  display: inline-block;
  font-size: 0.7rem; font-weight: 700;
  padding: 2px 8px; border-radius: 20px;
  letter-spacing: .03em;
}
.rh-badge-open  { background: #dbeafe; color: var(--primary); }
.rh-badge-ended { background: var(--bg); color: var(--text-muted); border: 1px solid var(--border); }
.rh-badge-att   { background: var(--success-bg); color: var(--success); }

/* ── Attendance Tab ──────────────────────────────────────────────────────── */

.att-tab-report-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 13px 16px;
  background: var(--surface);
  border: 2px solid var(--primary);
  border-radius: var(--r);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  transition: background .15s;
}
.att-tab-report-btn:hover { background: #eff6ff; }

.att-tab-row-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}
.att-tab-row-summary {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ── Buttons ────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border: none;
  border-radius: var(--r-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .15s, transform .1s;
  font-family: inherit;
  line-height: 1;
}
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .5; cursor: default; pointer-events: none; }

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-danger { background: var(--danger); color: white; }
.btn-success { background: var(--success); color: white; border: 2px solid var(--success); }

.btn-full { width: 100%; }
.btn-sm { padding: 7px 12px; font-size: 0.8rem; }
.btn-lg { padding: 14px 20px; font-size: 1rem; border-radius: var(--r); }

/* ── Forms ──────────────────────────────────────────────────────────────── */

.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 6px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  transition: border-color .15s;
  appearance: none;
  -webkit-appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.form-textarea { resize: vertical; min-height: 80px; }
.form-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }

.search-wrap { position: relative; margin-bottom: 12px; }
.search-wrap .search-icon {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  pointer-events: none;
}
.search-input {
  width: 100%;
  padding: 12px 14px 12px 42px;
  border: 2px solid var(--border);
  border-radius: 50px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
  transition: border-color .15s;
  appearance: none;
}
.search-input:focus { outline: none; border-color: var(--primary); }

/* ── Badge ──────────────────────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 50px;
  font-size: 0.73rem;
  font-weight: 700;
  line-height: 1.4;
}
.badge-primary { background: #dbeafe; color: var(--primary); }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-neutral { background: #f1f5f9; color: var(--text-muted); }

/* ── Section title ──────────────────────────────────────────────────────── */

/* ── Collapsible sections ───────────────────────────────────────────────── */

.sec-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  margin-top: 20px;
  margin-bottom: 8px;
}
.sec-chevron {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: transform .2s;
  flex-shrink: 0;
}
.sec-hdr:not(.sec-hdr-open) .sec-chevron { transform: rotate(-90deg); }
.sec-collapsed { display: none; }

.section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: 8px;
  margin-top: 20px;
}

/* ── Empty state ────────────────────────────────────────────────────────── */

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 12px; }
.empty-state p { font-size: 0.95rem; line-height: 1.6; }

/* ── Stats row ──────────────────────────────────────────────────────────── */

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.stat-block {
  background: var(--surface);
  border-radius: var(--r-sm);
  padding: 12px 8px;
  text-align: center;
  box-shadow: var(--shadow);
}
.stat-value { font-size: 1.5rem; font-weight: 800; line-height: 1; }
.stat-label { font-size: 0.68rem; color: var(--text-muted); margin-top: 4px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }

/* ── Modal ──────────────────────────────────────────────────────────────── */

#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 1000;
  display: flex;
  align-items: flex-end;
}
#modal-overlay.hidden { display: none !important; }

#modal-dialog {
  background: var(--surface);
  border-radius: 20px 20px 0 0;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: 20px 20px env(safe-area-inset-bottom, 24px);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 20px; }
.modal-handle { width: 40px; height: 4px; background: var(--border); border-radius: 4px; margin: -8px auto 16px; }

.modal-actions { display: flex; gap: 10px; margin-top: 20px; }
.modal-actions .btn { flex: 1; }

.options-menu { display: flex; flex-direction: column; gap: 2px; margin: 0 -4px; }
.options-menu-item {
  display: flex; align-items: center; gap: 14px;
  width: 100%; padding: 12px 10px; border-radius: var(--r-sm);
  border: none; background: none; text-align: left; cursor: pointer;
  color: var(--text); transition: background .15s;
}
.options-menu-item:hover { background: var(--bg); }
.options-menu-icon { font-size: 1.3rem; flex-shrink: 0; width: 28px; text-align: center; }
.options-menu-label { font-size: 0.93rem; font-weight: 600; margin-bottom: 1px; }
.options-menu-sub { font-size: 0.78rem; color: var(--text-muted); }
.options-menu-item-danger .options-menu-label { color: var(--danger); }

.quick-note-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 4px;
}
.quick-note-btn {
  padding: 10px 15px;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  border: 2px solid transparent;
  line-height: 1;
  transition: transform .1s, filter .1s;
}
.quick-note-btn:active { transform: scale(.94); filter: brightness(.88); }
.quick-note-btn.is-mistake  { background: var(--danger-bg);  color: var(--danger);  border-color: #fca5a5; }
.quick-note-btn.is-positive { background: var(--success-bg); color: var(--success); border-color: #86efac; }

/* ── Preset Management ───────────────────────────────────────────────────── */

.preset-section {
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.preset-section-hdr {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 8px 12px;
}
.preset-mistake-hdr  { background: var(--danger-bg);  color: var(--danger); }
.preset-positive-hdr { background: var(--success-bg); color: var(--success); }

.preset-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-top: 1px solid var(--border);
}
.preset-item-text { flex: 1; font-size: 0.88rem; color: var(--text); }
.preset-item-btns { display: flex; gap: 6px; flex-shrink: 0; }

.preset-btn-edit {
  font-size: 0.75rem; font-weight: 600;
  padding: 3px 9px; border-radius: 50px;
  border: 1.5px solid var(--border);
  background: var(--surface); color: var(--text-muted);
  cursor: pointer;
}
.preset-btn-del {
  font-size: 0.9rem; font-weight: 700;
  width: 26px; height: 26px; border-radius: 50%;
  border: 1.5px solid #fca5a5;
  background: var(--danger-bg); color: var(--danger);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.preset-btn-edit:hover { background: var(--bg); }
.preset-btn-del:hover  { filter: brightness(.92); }

.preset-empty {
  padding: 12px; font-size: 0.83rem;
  color: var(--text-muted); border-top: 1px solid var(--border);
}

.preset-add-row {
  display: flex; gap: 8px; align-items: center;
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.preset-add-input {
  flex: 1; padding: 7px 10px;
  font-size: 0.85rem;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--surface); color: var(--text);
  outline: none;
}
.preset-add-input:focus { border-color: var(--primary); }
.preset-add-btn {
  padding: 7px 14px; border-radius: var(--r-sm);
  font-size: 0.82rem; font-weight: 700;
  border: none; cursor: pointer; white-space: nowrap;
}
.preset-add-btn-mistake  { background: var(--danger-bg);  color: var(--danger); }
.preset-add-btn-positive { background: var(--success-bg); color: var(--success); }
.preset-add-btn:hover    { filter: brightness(.93); }

/* ── Toast ──────────────────────────────────────────────────────────────── */

#toast-container {
  position: fixed;
  bottom: calc(var(--nav-h) + 16px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
  width: 90%;
  max-width: 360px;
}

.toast {
  background: #1e293b;
  color: white;
  padding: 10px 18px;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0;
  animation: toast-in .2s forwards, toast-out .3s 2.2s forwards;
  white-space: nowrap;
}
@keyframes toast-in { to { opacity: 1; } }
@keyframes toast-out { to { opacity: 0; } }

/* ── Roster rows ────────────────────────────────────────────────────────── */

.roster-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  background: var(--surface);
  border-radius: var(--r-sm);
  margin-bottom: 8px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: box-shadow .1s, transform .1s;
}
.roster-row:active { transform: scale(.985); }
.roster-row:hover { box-shadow: var(--shadow-md); }

.student-info { flex: 1; min-width: 0; }
.student-name { font-weight: 600; font-size: 0.9rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.student-detail { font-size: 0.8rem; color: var(--text-muted); margin-top: 1px; }
.student-badges { display: flex; gap: 4px; flex-wrap: wrap; flex-shrink: 0; }

/* ── Hero ───────────────────────────────────────────────────────────────── */

.hero {
  background: linear-gradient(135deg, var(--primary), #1e40af);
  color: white;
  border-radius: var(--r);
  padding: 24px 20px 20px;
  margin-bottom: 20px;
  text-align: center;
}
.hero-date { font-size: 0.85rem; opacity: .8; font-weight: 500; margin-bottom: 4px; }
.hero-title { font-size: 1.6rem; font-weight: 800; margin-bottom: 6px; }
.hero-sub { font-size: 0.875rem; opacity: .75; margin-bottom: 20px; }
.hero .btn { margin-bottom: 10px; }

/* ── Rehearsal entry rows ───────────────────────────────────────────────── */

.entry-row {
  background: var(--surface);
  border-radius: var(--r-sm);
  padding: 13px 14px;
  margin-bottom: 8px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: box-shadow .1s;
  border: 2px solid transparent;
}
.entry-row:hover { box-shadow: var(--shadow-md); }
.entry-row.is-active { border-color: var(--primary); }

.entry-header { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.entry-student { font-weight: 700; font-size: 0.95rem; }
.entry-student .sub { font-weight: 400; font-size: 0.8rem; color: var(--text-muted); margin-left: 5px; }
.entry-badges { display: flex; gap: 5px; flex-shrink: 0; }
.entry-notes { font-size: 0.8rem; color: var(--text-muted); font-style: italic; margin-top: 5px; }

/* ── Active student tracker card ────────────────────────────────────────── */

.tracker-card {
  background: var(--surface);
  border-radius: var(--r);
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--primary);
}

.tracker-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--primary);
  margin-bottom: 10px;
}

.num-input {
  width: 100%;
  padding: 14px;
  font-size: 1.6rem;
  font-weight: 800;
  text-align: center;
  border: 2px solid var(--border);
  border-radius: var(--r-sm);
  letter-spacing: .08em;
  color: var(--primary);
  background: #eff6ff;
  font-family: inherit;
  transition: border-color .15s;
  appearance: none;
}
.num-input:focus { outline: none; border-color: var(--primary); }

.active-card {
  margin-top: 12px;
  background: #eff6ff;
  border-radius: var(--r-sm);
  padding: 14px;
}

.active-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}
.active-card-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}
.active-card-name .sub { font-weight: 400; font-size: 0.85rem; color: var(--text-muted); margin-left: 6px; }
.active-card-close {
  background: none;
  border: none;
  padding: 2px;
  cursor: pointer;
  color: var(--text-muted);
  flex-shrink: 0;
  line-height: 0;
}
.active-card-close:hover { color: var(--text); }

.active-counters { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 10px; }

.counter-col { background: var(--surface); border-radius: var(--r-sm); padding: 12px; text-align: center; }

.counter-col-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-bottom: 6px;
}
.counter-col-label.mistakes { color: var(--danger); }
.counter-col-label.positives { color: var(--success); }

.counter-value {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 10px;
}
.counter-value.mistakes { color: var(--danger); }
.counter-value.positives { color: var(--success); }

.count-btn {
  width: 100%;
  padding: 13px;
  border: none;
  border-radius: var(--r-sm);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: transform .1s, filter .1s;
  line-height: 1;
}
.count-btn:active { transform: scale(.95); filter: brightness(.9); }
.count-btn.add-mistake { background: var(--danger); color: white; }
.count-btn.add-positive { background: var(--success); color: white; }
.count-btn.undo { background: #f1f5f9; color: var(--text-muted); font-size: 0.8rem; margin-top: 5px; }

.active-notes {
  width: 100%;
  padding: 9px 11px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-family: inherit;
  resize: none;
  min-height: 58px;
  background: var(--surface);
  color: var(--text);
}
.active-notes:focus { outline: none; border-color: var(--primary); }

.next-btn {
  width: 100%;
  margin-top: 10px;
  padding: 11px;
  background: #dbeafe;
  color: var(--primary);
  border: none;
  border-radius: var(--r-sm);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: background .15s;
}
.next-btn:hover { background: #bfdbfe; }

/* ── Student history rows ───────────────────────────────────────────────── */

.history-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  background: var(--surface);
  border-radius: var(--r-sm);
  margin-bottom: 8px;
  box-shadow: var(--shadow);
  transition: box-shadow .1s;
  border-left: 3px solid var(--border);
}
.history-row:has(.history-info:hover) { box-shadow: var(--shadow-md); }
.history-row.had-mistakes { border-left-color: var(--danger); }
.history-row.had-positives { border-left-color: var(--success); }
.history-info { flex: 1; cursor: pointer; }
.history-info:hover .history-date { color: var(--primary); }
.history-date { font-weight: 600; font-size: 0.88rem; }
.history-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 1px; }
.history-note { font-size: 0.78rem; color: var(--text-muted); font-style: italic; margin-top: 3px; }

/* ── Danger zone ────────────────────────────────────────────────────────── */

.danger-zone {
  margin-top: 24px;
  padding: 14px;
  border: 1.5px solid #fca5a5;
  border-radius: var(--r-sm);
  background: #fff5f5;
}
.danger-zone-title { color: var(--danger); font-size: 0.8rem; font-weight: 700; margin-bottom: 8px; }

.ended-banner {
  background: var(--success-bg);
  border: 1.5px solid #86efac;
  border-radius: var(--r-sm);
  color: var(--success);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 14px;
  margin-bottom: 12px;
}
.ended-status-badge {
  display: inline-block;
  background: var(--success-bg);
  color: var(--success);
  border: 1.5px solid #86efac;
  border-radius: 20px;
  padding: 4px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 8px;
}

/* ── Divider ────────────────────────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* ── Utilities ──────────────────────────────────────────────────────────── */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-6 { gap: 6px; }
.gap-8 { gap: 8px; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.875rem; }
.font-bold { font-weight: 700; }
.text-right { text-align: right; }
.hidden { display: none !important; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }

/* ── Per-event notes ────────────────────────────────────────────────────────── */

.event-notes-section {
  background: #f8fafc;
  border-radius: var(--r-sm);
  padding: 10px 12px;
  margin-bottom: 10px;
}

.event-notes-hdr {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.event-note-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.event-note-row:last-child { margin-bottom: 0; }

.event-note-type {
  font-size: 1rem;
  font-weight: 700;
  width: 20px;
  flex-shrink: 0;
  text-align: center;
}
.event-note-type.is-mistake  { color: var(--danger); }
.event-note-type.is-positive { color: var(--success); }

.event-note-inp {
  flex: 1;
  padding: 7px 10px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
  transition: border-color .15s;
  min-width: 0;
}
.event-note-inp:focus { outline: none; border-color: var(--primary); }

.event-note-by {
  font-size: 0.68rem;
  color: var(--text-muted);
  flex-shrink: 0;
  font-style: italic;
  white-space: nowrap;
}
.event-note-time {
  font-size: 0.68rem;
  color: var(--text-muted);
  flex-shrink: 0;
  white-space: nowrap;
}
.event-note-del {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1;
  padding: 0 2px;
  cursor: pointer;
  opacity: 0.4;
  transition: opacity .15s, color .15s;
}
.event-note-del:hover { opacity: 1; color: var(--danger); }

/* ── Segment / Rehearsal Plan ───────────────────────────────────────────────── */

.seg-plan-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 6px 0 10px;
}
.seg-plan-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f1f5f9;
  border-radius: var(--r-sm);
  padding: 6px 10px;
  font-size: 0.88rem;
  color: var(--text);
}
.seg-plan-item span { flex: 1; }
.seg-plan-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0 2px;
}
.seg-plan-remove:hover { color: var(--danger); }

.seg-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0 4px;
}
.seg-chip {
  background: #e0e7ff;
  color: #3730a3;
  border: 1.5px solid #c7d2fe;
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.seg-chip:hover { background: #c7d2fe; }
.seg-chip.seg-selected {
  background: #4f46e5;
  color: #fff;
  border-color: #4f46e5;
}

.event-seg {
  display: inline-block;
  background: #e0e7ff;
  color: #3730a3;
  border-radius: 10px;
  padding: 1px 8px;
  font-size: 0.72rem;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Group Mark button (rehearsal page) ──────────────────────────────────────── */

.group-mark-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--r);
  border: 1.5px solid #ddd6fe;
  background: var(--card-bg);
  cursor: pointer;
  margin-bottom: 16px;
  transition: background .15s, box-shadow .15s;
  box-shadow: var(--shadow);
}
.group-mark-btn:hover  { background: #faf5ff; box-shadow: var(--shadow-md); }
.group-mark-btn:active { transform: scale(.985); }
.group-mark-btn-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: #7c3aed;
}

.mark-all-btn {
  width: 100%;
  padding: 8px 12px;
  margin-bottom: 8px;
  border-radius: var(--r-sm);
  border: 1.5px solid #ddd6fe;
  background: #faf5ff;
  color: #7c3aed;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: background .15s;
}
.mark-all-btn:hover  { background: #f3e8ff; }
.mark-all-btn:active { transform: scale(.98); }

.btn-mistake { background: var(--danger-bg); color: var(--danger); border: none; }

.section-mark-badge {
  display: inline-flex;
  align-items: center;
  background: #ede9fe;
  color: #7c3aed;
  border-radius: 10px;
  padding: 1px 8px;
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}
.is-section-mark { background: #faf5ff; }

/* ── Instrument Filter Chips ─────────────────────────────────────────────────── */

.inst-filter-row {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 6px;
  padding: 12px 16px 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.inst-filter-row::-webkit-scrollbar { display: none; }
.inst-chip {
  flex-shrink: 0;
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: background .12s, color .12s, border-color .12s;
}
.inst-chip:hover { border-color: var(--primary); color: var(--primary); }
.inst-chip.inst-active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* Tracker instrument chips live inside the card (no horizontal padding needed) */
.tracker-card .inst-filter-row { padding: 0 0 8px; }

.tracker-chips-row { display: flex; align-items: flex-start; gap: 6px; }
.tracker-chips-row .inst-filter-row { flex: 1; min-width: 0; }
.tracker-grid-btn { padding: 5px 8px; margin-bottom: 8px; }

/* ── Student Name Suggestions ────────────────────────────────────────────────── */

.student-suggestions {
  border-radius: var(--r-sm);
  overflow: hidden;
  margin-top: 4px;
  margin-bottom: 4px;
  background: var(--card-bg);
}
.student-suggestions:not(:empty) {
  border: 1.5px solid var(--border);
}
.suggestion-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  cursor: pointer;
  transition: background .1s;
  border-bottom: 1px solid var(--border);
}
.suggestion-row:last-child { border-bottom: none; }
.suggestion-row:hover, .suggestion-row:active { background: var(--hover-bg, #f1f5f9); }
.suggestion-num-hidden {
  display: none;
  min-width: 0;
}
.suggestion-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.suggestion-detail {
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-shrink: 0;
  white-space: nowrap;
}

/* ── Student Portal ─────────────────────────────────────────────────────────── */

/* ── Dashboard ───────────────────────────────────────────────────────────── */

.dash-view {
  padding: 16px;
  max-width: 600px;
  margin: 0 auto;
}
.dash-select-wrap { margin-bottom: 16px; }
.dash-select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  cursor: pointer;
}
.dash-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 4px;
}
.dash-stat {
  background: var(--surface);
  border-radius: var(--r-sm);
  box-shadow: var(--shadow);
  padding: 14px 12px;
  text-align: center;
}
.dash-stat-val {
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}
.dash-val-pos  { color: var(--success); }
.dash-val-mis  { color: var(--danger);  }
.dash-stat-lbl { font-size: 0.72rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.dash-stat-sub { font-size: 0.7rem; color: var(--text-muted); margin-top: 2px; }

.dash-notes-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.dash-notes-col {
  background: var(--surface);
  border-radius: var(--r-sm);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.dash-notes-hdr {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: 8px 10px;
}
.dash-notes-hdr-pos { background: color-mix(in srgb, var(--success) 12%, transparent); color: var(--success); }
.dash-notes-hdr-mis { background: color-mix(in srgb, var(--danger)  12%, transparent); color: var(--danger);  }
.dash-note-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 6px 10px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
}
.dash-note-text  { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dash-note-count {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 20px;
  flex-shrink: 0;
}
.dash-count-pos { background: color-mix(in srgb, var(--success) 15%, transparent); color: var(--success); }
.dash-count-mis { background: color-mix(in srgb, var(--danger)  15%, transparent); color: var(--danger);  }
.dash-notes-empty { padding: 10px; font-size: 0.78rem; color: var(--text-muted); }

.dash-stu-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  cursor: pointer;
  transition: background .12s;
}
.dash-stu-row:last-child { border-bottom: none; }
.dash-stu-row:active { background: var(--bg); }
.dash-stu-name    { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dash-stu-val     { font-weight: 700; font-size: 0.95rem; flex-shrink: 0; }
.dash-stu-chevron { color: var(--text-muted); font-size: 1rem; flex-shrink: 0; }

.dash-modal-events { max-height: 55vh; overflow-y: auto; margin: 0 -4px; }
.dash-modal-reh-hdr {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  padding: 10px 4px 4px;
}
.dash-modal-reh-hdr:first-child { padding-top: 2px; }
.dash-evt-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 7px 4px;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.dash-evt-row:last-child { border-bottom: none; }
.dash-evt-icon { font-size: 0.8rem; flex-shrink: 0; margin-top: 1px; font-weight: 700; }
.dash-evt-pos  { color: var(--success); }
.dash-evt-mis  { color: var(--danger);  }
.dash-evt-text { flex: 1; min-width: 0; }
.dash-evt-time { font-size: 0.72rem; color: var(--text-muted); flex-shrink: 0; align-self: center; }
.dash-evt-summary { display: flex; align-items: center; gap: 6px; padding: 8px 4px; }

/* ── Leaderboard ─────────────────────────────────────────────────────────── */

.leaderboard-view {
  padding: 16px;
  max-width: 600px;
  margin: 0 auto;
}

.lb-stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
}
.lb-stat-row:last-child { border-bottom: none; }
.lb-stat-row-alt { background: var(--bg); }

.lb-stat-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  flex: 1;
}
.lb-stat-sub {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 2px;
}

.lb-stat-val {
  font-size: 0.9rem;
  font-weight: 700;
  white-space: nowrap;
  color: var(--text);
}
.lb-val-warn { color: var(--danger); }
.lb-val-ok   { color: var(--success); }

.lb-song-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.lb-song-row:last-child { border-bottom: none; }

.lb-song-info { flex: 1; min-width: 0; }
.lb-song-title { font-size: 0.9rem; font-weight: 600; color: var(--text); }
.lb-song-due   { font-size: 0.72rem; color: var(--text-muted); margin-top: 2px; }

.lb-prog-bar {
  height: 5px;
  background: var(--border);
  border-radius: 99px;
  margin-top: 7px;
  overflow: hidden;
}
.lb-prog-fill {
  height: 100%;
  background: var(--success);
  border-radius: 99px;
  transition: width .3s;
}

.lb-song-counts {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  flex-shrink: 0;
}
.lb-count-pass { font-size: 0.78rem; font-weight: 700; color: var(--success); }
.lb-count-rem  { font-size: 0.75rem; color: var(--text-muted); }

/* Marching leaderboard */
.lb-marching-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.lb-hidden-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 0 0 8px;
}
.lb-toggle-btn {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
  border: 1.5px solid currentColor;
  cursor: pointer;
  background: transparent;
  transition: opacity .15s;
}
.lb-toggle-on  { color: var(--success); }
.lb-toggle-off { color: var(--text-muted); }
.lb-toggle-btn:hover { opacity: .75; }

.lb-rank-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
}
.lb-rank-row:last-child { border-bottom: none; }
.lb-rank-me { background: #fef9c3; }

.lb-rank-medal { font-size: 1rem; width: 28px; flex-shrink: 0; text-align: center; }
.lb-rank-name  { flex: 1; font-size: 0.88rem; font-weight: 600; color: var(--text); display: flex; flex-direction: column; gap: 1px; }
.lb-real-name  { font-size: 0.72rem; font-weight: 400; color: var(--text-muted); }
.lb-rank-score { font-size: 0.9rem; font-weight: 700; flex-shrink: 0; }

.lb-you-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 50px;
  background: var(--primary);
  color: white;
  vertical-align: middle;
  margin-left: 4px;
}

/* Portal animal name */
.portal-animal-name {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.portal-animal-name strong { color: var(--text); }

.leaderboard-link-btn {
  display: block;
  width: 100%;
  padding: 12px 16px;
  margin-bottom: 12px;
  border-radius: var(--r);
  border: 1.5px solid var(--primary);
  background: transparent;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: background .15s;
}
.leaderboard-link-btn:hover  { background: var(--primary-bg, #ede9fe); }

/* ── Portal ───────────────────────────────────────────────────────────────── */

.portal-view {
  padding: 16px;
  max-width: 600px;
  margin: 0 auto;
}
.portal-student-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  padding: 18px 20px;
  margin-bottom: 20px;
}
.portal-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.portal-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}
.portal-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 3px;
}
.portal-rehearsal-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  margin-bottom: 10px;
  overflow: hidden;
}
.portal-rehear-hdr {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.portal-rehear-hdr:hover { background: #f8fafc; }
.portal-rehear-info { flex: 1; min-width: 0; }
.portal-rehear-date {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}
.portal-rehear-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.portal-chevron {
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform .2s;
}
.portal-badges {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.portal-badge {
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 0.8rem;
  font-weight: 600;
}
.portal-badge-mistake  { background: var(--danger-bg);  color: var(--danger); }
.portal-badge-positive { background: var(--success-bg); color: var(--success); }
.portal-rehearsal-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
  padding: 0 16px;
}
.prc-open .portal-rehearsal-detail {
  /* max-height set by JS to scrollHeight */
  padding-bottom: 12px;
}
.portal-entry-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-style: italic;
  padding-top: 4px;
}
.portal-event-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 0;
  border-top: 1px solid var(--border);
}
.portal-event-text {
  font-size: 0.88rem;
  color: var(--text);
  flex: 1;
}
.portal-stats {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}
.portal-stat {
  flex: 1;
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  padding: 14px 10px;
  text-align: center;
}
.portal-stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}
.portal-stat-mistake  { color: var(--danger); }
.portal-stat-positive { color: var(--success); }
.portal-stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

/* ── CSV Import ─────────────────────────────────────────────────────────────── */

.import-hint {
  background: #eff6ff;
  border: 1.5px solid #bfdbfe;
  border-radius: var(--r-sm);
  padding: 12px 14px;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text);
}

.import-error {
  background: var(--danger-bg);
  border: 1.5px solid #fca5a5;
  border-radius: var(--r-sm);
  padding: 12px 14px;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--danger);
  margin-top: 12px;
}

.import-summary {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.col-map-grid {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 4px;
}

.col-map-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
}
.col-map-field { font-weight: 700; color: var(--text); min-width: 80px; }
.col-map-arrow { color: var(--text-muted); }
.col-map-src   { color: var(--primary); font-style: italic; }

.preview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
  margin-top: 4px;
}
.preview-table th {
  text-align: left;
  padding: 5px 8px;
  background: #f1f5f9;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.preview-table td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.preview-table tr.dup-row td { background: #fffbeb; }

@media (min-width: 600px) {
  #app { box-shadow: 0 0 60px rgba(0,0,0,.18); min-height: 100dvh; }
  body { background: #cbd5e1; }
}

/* ── Login / Auth ───────────────────────────────────────────────────────────── */

.login-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px 20px 32px;
  text-align: center;
  max-width: 400px;
  margin: 0 auto;
}
.login-logo { font-size: 3.5rem; margin-bottom: 12px; line-height: 1; }
.login-title { font-size: 1.8rem; font-weight: 800; margin-bottom: 20px; }
.login-sub { color: var(--text-muted); margin-bottom: 36px; font-size: 0.95rem; }
.login-section-label {
  width: 100%;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: 10px;
  text-align: left;
}
.login-view .form-group { text-align: left; width: 100%; }
.auth-error {
  background: var(--danger-bg);
  border: 1.5px solid #fca5a5;
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-size: 0.875rem;
  color: var(--danger);
  margin-bottom: 16px;
  width: 100%;
  text-align: left;
}
.login-divider {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 12px 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.login-divider::before, .login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── User menu button ────────────────────────────────────────────────────────── */

.user-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,.25);
  border: 2px solid rgba(255,255,255,.5);
  color: white;
  font-size: 0.75rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: inherit;
  transition: background .15s;
}
.user-btn:hover { background: rgba(255,255,255,.35); }

/* ── Block Navigator ─────────────────────────────────────────────────────────── */

.block-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin-top: 10px;
  padding: 11px 14px;
  background: #0d1117;
  border: 1.5px solid #1e40af;
  border-radius: var(--r-sm);
  color: #93c5fd;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background .15s, border-color .15s;
}
.block-toggle-btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.block-toggle-btn:hover { background: #1e3a8a; border-color: #3b82f6; }

.block-nav {
  background: #0d1117;
  border-radius: var(--r);
  border: 1.5px solid #1e40af;
  overflow: hidden;
  margin-bottom: 16px;
}

.block-nav-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px 9px;
  border-bottom: 1px solid #1e3a8a;
}

.block-crumb {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #93c5fd;
}

.block-ctrl-btn {
  background: transparent;
  border: 1px solid #1e3a8a;
  color: #93c5fd;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background .12s;
}
.block-ctrl-btn:hover { background: #1e3a8a; }

.block-grid {
  display: grid;
  gap: 5px;
  padding: 10px;
  animation: blockZoom .16s ease-out;
}
@keyframes blockZoom {
  from { opacity: 0; transform: scale(.93); }
  to   { opacity: 1; transform: scale(1); }
}

/* Level 0–1: region blocks */
.block-region {
  background: #0f172a;
  border: 1.5px solid #1e3a8a;
  border-radius: 8px;
  padding: 10px 8px 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: border-color .12s, background .12s;
  min-height: 110px;
  justify-content: center;
}
.block-region:active { background: #1e3a8a; border-color: #3b82f6; }

.bd-mini {
  display: grid;
  grid-template-columns: repeat(var(--bd-cols), 1fr);
  gap: 2px;
  width: 72px;
}
.bd-dot { aspect-ratio: 1; border-radius: 1px; }
.bd-empty   { background: #1e293b; }
.bd-filled  { background: #2563eb; }
.bd-mistake { background: #dc2626; }
.bd-positive { background: #16a34a; }

.block-region-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: #cbd5e1;
  text-align: center;
  line-height: 1.5;
}
.block-region-label span { color: #475569; font-weight: 400; font-size: 0.68rem; }

/* Level 2: individual cells */
.block-cell {
  background: #0f172a;
  border: 1.5px solid #1e3a8a;
  border-radius: 6px;
  padding: 6px 4px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: 72px;
  transition: border-color .12s, background .12s;
}
.block-cell:active { background: #1e3a8a; }
.bc-empty    { opacity: .35; cursor: default; }
.bc-assigned { }
.bc-mistake  { background: rgba(220,38,38,.12); border-color: #7f1d1d; }
.bc-mistake:active  { background: rgba(220,38,38,.25); }
.bc-positive { background: rgba(22,163,74,.12); border-color: #14532d; }
.bc-positive:active { background: rgba(22,163,74,.25); }

.bc-pos  { font-size: 1rem; font-weight: 800; color: #e2e8f0; line-height: 1; }
.bc-num  { font-size: 0.6rem; color: #475569; font-weight: 600; }
.bc-marks { display: flex; gap: 3px; font-size: 0.62rem; font-weight: 700; line-height: 1; }
.bc-m { color: #f87171; }
.bc-p { color: #4ade80; }

/* Footer orientation label */
.block-footer {
  display: flex;
  justify-content: space-between;
  padding: 6px 12px 9px;
  font-size: 0.62rem;
  color: #334155;
  font-weight: 600;
  letter-spacing: .04em;
}

/* Active student header when selected from block */
.block-active-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.block-active-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--primary);
}

.loading-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  color: var(--text-muted);
  gap: 16px;
}
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Songs list view ─────────────────────────────────────────────────────────── */

.song-cat-hdr {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  padding: 14px 4px 4px;
}
.song-cat-sec-hdr {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-top: 12px;
  margin-bottom: 4px;
}
.song-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border-radius: var(--r-sm);
  padding: 14px 16px;
  margin-bottom: 8px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: box-shadow .1s, transform .1s;
}
.song-row:active { transform: scale(.985); }
.song-row:hover  { box-shadow: var(--shadow-md); }

.song-row-info { flex: 1; min-width: 0; }
.song-row-title {
  font-weight: 700;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.song-row-due {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.song-overdue { color: var(--danger) !important; font-weight: 600; }

.song-row-right {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  min-width: 80px;
}
.song-prog-wrap { width: 80px; }
.song-prog-bar {
  height: 6px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 3px;
}
.song-prog-fill {
  height: 100%;
  background: var(--success);
  border-radius: 4px;
  transition: width .3s ease;
}
.song-prog-lbl {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: right;
  white-space: nowrap;
}

/* ── Song detail view ────────────────────────────────────────────────────────── */

.song-detail-view { padding-bottom: 8px; }
.song-search-input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 9px 14px;
  margin: 8px 0 4px;
  font-size: 0.9rem;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--text);
  outline: none;
}
.song-search-input:focus { border-color: var(--primary); }
.song-detail-due {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  font-weight: 500;
}

.song-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}
.song-stat {
  background: var(--surface);
  border-radius: var(--r-sm);
  padding: 12px 8px;
  text-align: center;
  box-shadow: var(--shadow);
}
.song-stat-val {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
}
.song-stat-lbl {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.song-stat-pass .song-stat-val { color: var(--success); }
.song-stat-fail .song-stat-val { color: var(--danger); }
.song-stat-na   .song-stat-val { color: var(--text-muted); }

/* ── Song student rows ───────────────────────────────────────────────────────── */

.song-stu-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
}
.song-stu-row:last-child { border-bottom: none; }

.song-stu-info { flex: 1; min-width: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.song-stu-name { font-size: 0.9rem; font-weight: 600; }
.song-stu-status {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
}
.sss-pass { background: var(--success-bg); color: var(--success); }
.sss-fail { background: var(--danger-bg);  color: var(--danger); }
.sss-na   { background: #f1f5f9; color: var(--text-muted); }
.song-stu-meta { font-size: 0.72rem; color: var(--text-muted); flex-basis: 100%; margin-top: -2px; }
.song-stu-fail-note {
  font-size: 0.75rem;
  font-style: italic;
  color: var(--danger);
  flex-basis: 100%;
  margin-top: 1px;
  opacity: 0.85;
}

.song-stu-btns { display: flex; gap: 6px; flex-shrink: 0; }
.ssb {
  width: 34px;
  height: 34px;
  border: 2px solid transparent;
  border-radius: var(--r-sm);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: filter .12s, transform .1s;
}
.ssb:active { transform: scale(.9); }
.ssb-pass     { background: var(--success-bg); color: var(--success); border-color: #86efac; }
.ssb-fail     { background: var(--danger-bg);  color: var(--danger);  border-color: #fca5a5; }
.ssb-on-pass  { background: var(--success); color: white; border-color: var(--success); }
.ssb-on-fail  { background: var(--danger);  color: white; border-color: var(--danger); }

/* ── Student roster page song rows ──────────────────────────────────────────── */

.stu-song-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.stu-song-row:last-child { border-bottom: none; }

/* ── Student portal songs ────────────────────────────────────────────────────── */

.portal-songs-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}
.portal-song-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  padding: 12px 14px;
}
.portal-song-info { flex: 1; min-width: 0; }
.portal-song-title {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.portal-song-due {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.portal-song-status {
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  white-space: nowrap;
}
.pss-pass { background: var(--success-bg); color: var(--success); }
.pss-fail { background: var(--danger-bg);  color: var(--danger); }

/* ── Attendance ──────────────────────────────────────────────────────────────── */

.attendance-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.attendance-lbl {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  flex-shrink: 0;
}
.attendance-btns { display: flex; gap: 8px; }

.att-btn {
  padding: 7px 14px;
  border-radius: var(--r-sm);
  border: 2px solid transparent;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: filter .12s, transform .1s;
}
.att-btn:active { transform: scale(.94); }
.att-late   { background: #fef9c3; color: #854d0e; border-color: #fde68a; }
.att-absent { background: var(--danger-bg); color: var(--danger); border-color: #fca5a5; }
.att-on-late   { background: #eab308; color: white; border-color: #eab308; }
.att-on-absent { background: var(--danger); color: white; border-color: var(--danger); }

.att-badge-absent {
  background: var(--danger-bg);
  color: var(--danger);
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: 20px;
  font-weight: 700;
}
.att-badge-late {
  background: #fef9c3;
  color: #854d0e;
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: 20px;
  font-weight: 700;
}

.att-absent-note { color: var(--danger) !important; font-style: normal !important; font-weight: 600; }
.att-late-note   { color: #854d0e !important; font-style: normal !important; font-weight: 600; }

.att-summary-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.att-summary-chip {
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
}
.att-chip-absent { background: var(--danger-bg); color: var(--danger); }
.att-chip-late   { background: #fef9c3; color: #854d0e; }

.att-date-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}
.att-date-list:last-child { margin-bottom: 0; }
.att-date-heading {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  flex-shrink: 0;
}
.att-date-chip {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 20px;
}

.att-portal-badge-absent { background: var(--danger-bg); color: var(--danger); }
.att-portal-badge-late   { background: #fef9c3; color: #854d0e; }
.pss-na   { background: #f1f5f9; color: var(--text-muted); }

/* ── Rehearsal action row (attendance + end rehearsal) ───────────────────────── */

.rehearsal-action-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
  margin-bottom: 14px;
}
.end-rehearsal-btn {
  flex-shrink: 0;
  font-size: 0.8rem;
  line-height: 1.3;
  padding: 10px 14px;
  text-align: center;
}

/* ── Take Attendance button (rehearsal page) ─────────────────────────────────── */

.att-screen-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 13px 16px;
  background: var(--surface);
  border: 2px solid var(--primary);
  border-radius: var(--r);
  cursor: pointer;
  font-family: inherit;
  transition: background .15s, box-shadow .15s;
  box-shadow: var(--shadow);
}
.att-screen-btn:hover  { background: #eff6ff; box-shadow: var(--shadow-md); }
.att-screen-btn:active { transform: scale(.985); }
.att-screen-btn-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
}
.att-screen-btn-summary {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── Attendance screen ───────────────────────────────────────────────────────── */

.att-chip-present { background: var(--success-bg); color: var(--success); }

.att-screen-summary-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.att-sort-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.att-sort-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  flex-shrink: 0;
}
.att-sort-chip {
  padding: 5px 14px;
  border-radius: 20px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  font-family: inherit;
  transition: border-color .12s, color .12s, background .12s;
}
.att-sort-chip:hover { border-color: var(--primary); color: var(--primary); }
.att-sort-active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.att-filter-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.att-filter-select {
  flex: 1;
  min-width: 0;
  padding: 7px 10px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
  appearance: auto;
}
.att-filter-select.att-filter-active {
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 600;
}

.att-stu-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  transition: background .1s;
}
.att-stu-row:last-child { border-bottom: none; }
.att-stu-absent { background: #fff5f5; border-radius: var(--r-sm); padding-left: 8px; padding-right: 8px; }
.att-stu-late   { background: #fefce8; border-radius: var(--r-sm); padding-left: 8px; padding-right: 8px; }

.att-stu-info { flex: 1; min-width: 0; }
.att-stu-num  { font-size: 0.8rem; font-weight: 700; color: var(--primary); margin-right: 6px; }
.att-stu-name { font-size: 0.9rem; font-weight: 600; }
.att-stu-meta { font-size: 0.75rem; color: var(--text-muted); margin-top: 1px; }

.att-stu-btns { display: flex; gap: 5px; flex-shrink: 0; }
.att-present   { background: var(--success-bg); color: var(--success); border-color: #86efac; }
.att-on-present { background: var(--success); color: white; border-color: var(--success); }

/* ── Attendance card (student roster page) ───────────────────────────────────── */

.att-card-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  padding: 12px 16px 10px;
  border-bottom: 1px solid var(--border);
  letter-spacing: .01em;
}
.att-card-section { padding: 12px 16px; }
.att-card-period {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

/* ── Attendance submitted state ──────────────────────────────────────────────── */

.att-submitted-banner {
  background: var(--success-bg);
  border: 1.5px solid #86efac;
  border-radius: var(--r-sm);
  color: var(--success);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 14px;
  margin-bottom: 14px;
}

.att-screen-btn-done {
  border-color: var(--success);
  background: var(--success-bg);
}
.att-screen-btn-done .att-screen-btn-label { color: var(--success); }

/* ── Attendance submitted overview ───────────────────────────────────────────── */

.att-summary-section-hdr {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 8px 4px 6px;
  margin-top: 4px;
  border-bottom: 1.5px solid var(--border);
  margin-bottom: 4px;
}
.att-summary-hdr-absent { color: var(--danger); }
.att-summary-hdr-late   { color: #92400e; }

.att-summary-list { margin-bottom: 16px; }

.att-summary-stu-row {
  padding: 10px 6px;
  border-bottom: 1px solid var(--border);
}
.att-summary-stu-row:last-child { border-bottom: none; }

/* ── Submit attendance review modal ──────────────────────────────────────────── */

.att-review-section { margin-bottom: 14px; }
.att-review-hdr {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.att-review-name {
  font-size: 0.88rem;
  padding: 3px 0;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.att-review-name:last-child { border-bottom: none; }