:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
  --bg: #f4f6f9;
  --card-bg: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}
.brand-header {
  font-size: 0.82rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.5;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.wide { max-width: 1080px; }
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
h1 { font-size: 1.5rem; margin: 0 0 8px; }
h2 { font-size: 1.2rem; margin: 0 0 16px; }
p.subtitle { color: var(--muted); margin-top: 0; }
label { display: block; font-weight: 600; margin: 16px 0 6px; font-size: 0.92rem; }
input[type=text], input[type=tel], input[type=email], input[type=date],
input[type=datetime-local], input[type=number], input[type=password],
textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: #fff;
}
textarea { resize: vertical; min-height: 70px; }
.hint { color: var(--muted); font-size: 0.82rem; margin-top: 4px; }
.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 11px 20px;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
  text-align: center;
}
.btn:hover { background: var(--primary-dark); }
.btn.secondary { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
.btn.danger { background: var(--danger); }
.btn.block { display: block; width: 100%; margin-top: 20px; }
.btn.small { padding: 6px 12px; font-size: 0.85rem; }
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.92rem;
}
.alert.success { background: #dcfce7; color: #166534; }
.alert.error { background: #fee2e2; color: #991b1b; }
.alert.warning { background: #fef3c7; color: #92400e; }
.alert.info { background: #dbeafe; color: #1e40af; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.badge.registered { background: #e0e7ff; color: #3730a3; }
.badge.checked_in { background: #dcfce7; color: #166534; }
.badge.cancelled { background: #f3f4f6; color: #6b7280; }
nav.topbar {
  background: #111827;
  color: #fff;
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
nav.topbar a { color: #fff; text-decoration: none; margin-right: 16px; font-size: 0.92rem; }
nav.topbar a:hover { text-decoration: underline; }
.qr-box { text-align: center; padding: 20px 0; }
.qr-box canvas { margin: 0 auto; border: 8px solid #fff; box-shadow: 0 0 0 1px var(--border); border-radius: 8px; }
.stat-grid { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.stat-box { flex: 1; min-width: 120px; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; }
.stat-box .num { font-size: 1.6rem; font-weight: 700; }
.stat-box .label { color: var(--muted); font-size: 0.82rem; }
.event-list a.event-link { text-decoration: none; color: inherit; }
.event-row { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--border); }
.event-row:last-child { border-bottom: none; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; align-items: center; }
#scan-result {
  margin-top: 16px;
  padding: 16px;
  border-radius: 10px;
  font-size: 1.05rem;
  text-align: center;
  min-height: 24px;
}
#scan-result.success { background: #dcfce7; color: #166534; }
#scan-result.warning { background: #fef3c7; color: #92400e; }
#scan-result.error { background: #fee2e2; color: #991b1b; }
#scan-result.idle { background: #f3f4f6; color: var(--muted); }
footer.small-print { text-align: center; color: var(--muted); font-size: 0.8rem; margin-top: 30px; }

/* ---- Chống iOS Safari tự zoom khi focus input (font-size phải >=16px) ---- */
input, select, textarea { font-size: 16px; }

/* ---- Thanh tiến trình form nhiều bước ---- */
.progress-wrap { margin-bottom: 20px; }
.progress-label { font-size: 0.85rem; color: var(--muted); margin-bottom: 6px; font-weight: 600; }
.progress-bar { background: #e5e7eb; border-radius: 999px; height: 8px; overflow: hidden; }
.progress-bar-fill { background: var(--primary); height: 100%; transition: width 0.25s ease; }

/* ---- Nút lựa chọn dạng thẻ, dễ chạm trên di động ---- */
.choice-group { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.choice-group.vertical { flex-direction: column; }
.choice-group.small .choice-btn { padding: 10px 14px; font-size: 0.92rem; }
.choice-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
    cursor: pointer;
    flex: 1 1 auto;
    min-width: 110px;
    font-size: 1rem;
    background: #fff;
    transition: border-color .15s, background .15s;
}
.choice-btn input { width: auto; margin: 0; accent-color: var(--primary); flex-shrink: 0; }
.choice-btn:has(input:checked) { border-color: var(--primary); background: #eff6ff; font-weight: 600; }

.sub-panel { margin-top: 12px; padding: 14px; background: #f9fafb; border-radius: 10px; border: 1px solid var(--border); }

.wizard-nav { display: flex; justify-content: space-between; gap: 10px; margin-top: 24px; }
.wizard-nav .btn { flex: 1; padding: 14px 16px; font-size: 1.05rem; }

/* ---- Danh sách dạng thẻ cho khu vực admin trên di động ---- */
.reg-card {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 16px;
    margin-bottom: 12px;
    background: #fff;
}
.reg-card .reg-card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.reg-card .reg-card-name { font-weight: 700; font-size: 1.02rem; }
.reg-card .reg-card-meta { color: var(--muted); font-size: 0.86rem; margin-top: 4px; line-height: 1.6; }
.reg-card .reg-card-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.reg-card .reg-card-actions form { display: inline; }

.mode-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.mode-tabs button {
    flex: 1;
    padding: 12px 8px;
    border-radius: 10px;
    border: 1.5px solid var(--border);
    background: #fff;
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    color: var(--text);
}
.mode-tabs button.active { background: var(--primary); color: #fff; border-color: var(--primary); }

@media (max-width: 640px) {
    table.desktop-only { display: none; }
}
@media (min-width: 641px) {
    .mobile-cards { display: none; }
}

/* ---- Trang chỉnh sửa chương trình ---- */
.agenda-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}
.agenda-row.agenda-session { background: #fef9c3; border-radius: 8px; padding: 10px; }
.agenda-row-fields { display: grid; grid-template-columns: 1fr; gap: 6px; flex: 1; min-width: 200px; }
@media (min-width: 700px) {
    .agenda-row-fields { grid-template-columns: 120px 110px 1fr 1fr; align-items: center; }
}
.agenda-row-actions { display: flex; gap: 4px; align-items: flex-start; }

/* ============================================================
   CPO 2026 — ADMIN MOBILE-FIRST REFACTOR / WAVE 1
   ============================================================ */

/* Touch targets rõ ràng hơn trên smartphone */
.btn,
.mode-tabs button,
.workspace-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

input[type=time] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  font-family: inherit;
  background: #fff;
}

/* ---------- Topbar ---------- */
.topbar-brand a,
.topbar-account a {
  margin-right: 0 !important;
}

.topbar-account {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-username {
  opacity: .72;
  font-size: .88rem;
}

/* ---------- Context sự kiện đang quản lý ---------- */
.event-context-wrap {
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 2px rgba(0,0,0,.03);
}

.event-context {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 16px 10px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.event-context-main {
  min-width: 0;
}

.event-context-label {
  color: var(--primary);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .08em;
  margin-bottom: 2px;
}

.event-context-name {
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.3;
}

.event-context-meta {
  color: var(--muted);
  font-size: .82rem;
  margin-top: 4px;
  line-height: 1.5;
}

.event-context-change {
  flex-shrink: 0;
  color: var(--primary);
  font-size: .84rem;
  font-weight: 700;
  text-decoration: none;
  padding: 6px 0;
}

.workspace-nav {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px 12px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.workspace-nav a {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  background: #f9fafb;
  text-decoration: none;
  font-size: .82rem;
  font-weight: 650;
  white-space: nowrap;
}

.workspace-nav a:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: #eff6ff;
}

/* ---------- Dashboard ---------- */
.dashboard-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.dashboard-heading .subtitle {
  margin-bottom: 0;
}

.dashboard-create-btn {
  flex-shrink: 0;
}

.event-quick-jump {
  padding: 16px;
}

.event-quick-jump label {
  margin-top: 0;
}

.event-timeline-selector {
  max-width: 680px;
  margin: 0 auto;
}

.event-selector-card {
  display: block;
  color: inherit;
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 12px;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}

.event-selector-side:hover {
  border-color: #bfdbfe;
  box-shadow: 0 3px 12px rgba(37,99,235,.08);
}

.event-selector-side:active {
  transform: scale(.995);
}

.event-selector-caption {
  padding: 8px 12px;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.event-selector-side-content {
  padding: 13px 14px 15px;
}

.event-date-compact {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 7px;
}

.event-card-badges {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 7px;
}

.event-card-badges-center {
  justify-content: center;
}

.event-type-badge,
.event-status-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 9px;
  font-size: .72rem;
  line-height: 1.2;
  font-weight: 800;
}

.event-type-badge {
  color: #374151;
  background: #f3f4f6;
}

.event-type-badge.primary {
  color: #1e40af;
  background: #dbeafe;
}

.event-status-badge.today {
  color: #166534;
  background: #dcfce7;
}

.event-status-badge.upcoming {
  color: #92400e;
  background: #fef3c7;
}

.event-status-badge.past {
  color: #6b7280;
  background: #f3f4f6;
}

.event-status-badge.closed {
  color: #991b1b;
  background: #fee2e2;
}

.event-locality {
  font-size: 1rem;
  font-weight: 750;
  line-height: 1.35;
}

.event-selector-main {
  border: 2px solid #93c5fd;
  padding: 20px 16px 18px;
  text-align: center;
  box-shadow: 0 8px 28px rgba(37,99,235,.10);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.event-selector-main > .event-selector-caption {
  border: 0;
  padding: 0 0 10px;
  color: var(--primary);
}

.event-main-date {
  font-size: 1.25rem;
  font-weight: 850;
  margin-bottom: 8px;
}

.event-main-date span {
  font-weight: 650;
  color: var(--muted);
}

.event-main-name {
  font-size: 1.45rem;
  line-height: 1.25;
  margin: 12px auto 8px;
  max-width: 540px;
}

.event-main-location,
.event-main-secondary-date {
  color: var(--muted);
  font-size: .9rem;
  margin-top: 6px;
}

.event-main-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 18px 0 8px;
}

.event-main-stats > div {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.8);
  border-radius: 10px;
  padding: 10px 6px;
}

.event-main-stats strong {
  display: block;
  font-size: 1.25rem;
  line-height: 1.1;
}

.event-main-stats span {
  display: block;
  color: var(--muted);
  font-size: .72rem;
  margin-top: 4px;
}

.event-validate-form {
  margin-top: 14px;
}

.event-validate-btn {
  min-height: 52px;
  font-size: 1.05rem;
}

.event-selector-edge {
  text-align: center;
  color: var(--muted);
  font-size: .82rem;
  padding: 8px 0 16px;
}

.dashboard-help {
  max-width: 680px;
  margin: 18px auto 0;
  text-align: center;
  color: var(--muted);
  font-size: .84rem;
}

.empty-state {
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ---------- Mobile-first tightening ---------- */
@media (max-width: 640px) {
  .container,
  .container.wide {
    padding: 16px 12px 48px;
  }

  .card {
    border-radius: 11px;
    padding: 16px;
    margin-bottom: 14px;
  }

  h1 {
    font-size: 1.35rem;
  }

  h2 {
    font-size: 1.12rem;
  }

  nav.topbar {
    padding: 11px 13px;
  }

  .topbar-account {
    gap: 9px;
  }

  .topbar-username {
    display: none;
  }

  .event-context {
    padding: 11px 12px 8px;
    display: block;
  }

  .event-context-change {
    display: inline-block;
    margin-top: 5px;
  }

  .event-context-location {
    display: none;
  }

  .workspace-nav {
    padding: 0 12px 10px;
  }

  .dashboard-heading {
    display: block;
  }

  .dashboard-create-btn {
    margin-top: 10px;
    width: 100%;
  }

  .event-selector-main {
    padding: 18px 13px 16px;
  }

  .event-main-name {
    font-size: 1.3rem;
  }

  .event-main-stats {
    gap: 6px;
  }

  .event-main-stats > div {
    padding: 9px 4px;
  }

  .event-main-stats strong {
    font-size: 1.12rem;
  }

  .event-main-stats span {
    font-size: .68rem;
  }

  .reg-card .reg-card-top {
    flex-direction: column;
  }

  .reg-card .reg-card-actions .btn,
  .reg-card .reg-card-actions form {
    flex: 1 1 auto;
  }
}

@media (min-width: 900px) {
  .container.wide {
    max-width: 980px;
  }

  .event-selector-side-content {
    display: grid;
    grid-template-columns: 120px auto 1fr;
    align-items: center;
    gap: 12px;
  }

  .event-date-compact,
  .event-card-badges {
    margin-bottom: 0;
  }

  .event-locality {
    text-align: right;
  }
}

/* ============================================================
   CPO 2026 — WAVE 1B VISUAL POLISH
   Dashboard 3 cards + header buttons, mobile-first
   ============================================================ */

/* ---------- Header rõ ràng hơn ---------- */
.admin-topbar {
  background: linear-gradient(135deg, #172554 0%, #1e3a8a 100%);
  border-bottom: 1px solid rgba(255,255,255,.16);
  padding: 12px 16px;
}

.topbar-brand-static {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
}

.topbar-brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.14);
  font-size: 1.05rem;
}

.topbar-brand-static strong {
  display: block;
  font-size: .98rem;
  line-height: 1.15;
}

.topbar-brand-static small {
  display: block;
  margin-top: 2px;
  color: rgba(255,255,255,.68);
  font-size: .72rem;
  font-weight: 600;
}

.topbar-button {
  min-height: 38px;
  padding: 8px 12px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none !important;
  font-size: .84rem !important;
  font-weight: 750;
}

.topbar-logout {
  color: #fff !important;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.24);
}

.topbar-logout:hover {
  background: rgba(255,255,255,.2);
}

/* ---------- Context sự kiện ---------- */
.event-context-wrap {
  background: #eef4ff;
  border-bottom: 1px solid #c7d7fe;
  box-shadow: 0 3px 12px rgba(30,58,138,.07);
}

.event-context {
  padding-top: 14px;
  padding-bottom: 12px;
}

.event-context-label {
  color: #1d4ed8;
  font-size: .7rem;
}

.event-context-name {
  color: #172554;
  font-size: 1.08rem;
}

.event-context-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin-top: 7px;
}

.event-context-meta span {
  display: inline-flex;
  align-items: center;
}

.event-context-change {
  min-height: 42px;
  padding: 9px 14px;
  border: 1px solid #2563eb;
  border-radius: 10px;
  background: #fff;
  color: #1d4ed8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 1px 2px rgba(30,64,175,.05);
}

.event-context-change:hover {
  background: #dbeafe;
}

.workspace-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 9px;
  overflow: visible;
}

.workspace-nav a.workspace-button {
  min-width: 0;
  min-height: 50px;
  padding: 9px 10px;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  background: #fff;
  color: #1e293b;
  box-shadow: 0 1px 2px rgba(15,23,42,.04);
  display: flex;
  gap: 7px;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-weight: 750;
  white-space: normal;
}

.workspace-nav a.workspace-button:hover {
  border-color: #60a5fa;
  background: #eff6ff;
  color: #1d4ed8;
}

.workspace-button-icon {
  font-size: 1rem;
  line-height: 1;
}

/* ---------- Dashboard ---------- */
.event-timeline-selector {
  max-width: 760px;
}

.event-selector-card {
  overflow: hidden;
  border-width: 1px;
  box-shadow: 0 3px 10px rgba(15,23,42,.06);
}

/* Card trước: tím-xanh nhạt */
.event-selector-prev {
  background: #eef2ff;
  border-color: #c7d2fe;
}

.event-selector-prev .event-selector-caption {
  color: #3730a3;
  background: #e0e7ff;
  border-bottom-color: #c7d2fe;
}

.event-selector-prev .event-type-badge {
  background: #ddd6fe;
  color: #5b21b6;
}

/* Card đang chọn: xanh dương rõ nhất */
.event-selector-main {
  background: linear-gradient(180deg, #dbeafe 0%, #eff6ff 100%);
  border: 3px solid #2563eb;
  box-shadow: 0 12px 34px rgba(37,99,235,.18);
  padding: 0 18px 20px;
}

.event-selector-main > .event-selector-caption {
  margin: 0 -18px 16px;
  padding: 10px 14px;
  background: #2563eb;
  color: #fff;
  border-bottom: 0;
  font-size: .76rem;
  letter-spacing: .07em;
}

.event-selector-main .event-main-date {
  color: #172554;
}

.event-selector-main .event-main-name {
  color: #0f172a;
}

.event-selector-main .event-main-stats > div {
  background: rgba(255,255,255,.9);
  border-color: #bfdbfe;
}

.event-selector-main .event-validate-btn {
  background: #1d4ed8;
  box-shadow: 0 4px 12px rgba(29,78,216,.2);
}

.event-selector-main .event-validate-btn:hover {
  background: #1e40af;
}

/* Card sau: xanh lá nhạt */
.event-selector-next {
  background: #ecfdf5;
  border-color: #a7f3d0;
}

.event-selector-next .event-selector-caption {
  color: #166534;
  background: #dcfce7;
  border-bottom-color: #bbf7d0;
}

.event-selector-next .event-type-badge {
  background: #d1fae5;
  color: #065f46;
}

.event-selector-side-content {
  min-height: 104px;
}

.event-selector-side:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(15,23,42,.10);
}

.event-quick-jump {
  background: #f8fafc;
  border-color: #dbe3ee;
}

.dashboard-help {
  background: #fff;
  border: 1px dashed #cbd5e1;
  border-radius: 10px;
  padding: 11px 14px;
}

/* ---------- Footer mềm hơn ---------- */
footer.small-print {
  max-width: 760px;
  margin: 28px auto 0;
  padding: 18px 12px 24px;
  border-top: 1px solid var(--border);
  color: #94a3b8;
  font-size: .76rem;
  text-align: center;
}

@media (max-width: 640px) {
  .admin-topbar {
    padding: 10px 12px;
  }

  .topbar-brand-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
  }

  .topbar-button {
    min-height: 36px;
    padding: 7px 10px;
  }

  .event-context {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .event-context-change {
    width: 100%;
    min-height: 46px;
    margin-top: 0;
  }

  .workspace-nav {
    grid-template-columns: repeat(2, minmax(0,1fr));
    padding: 0 12px 12px;
  }

  .workspace-nav a.workspace-button {
    min-height: 54px;
    padding: 9px 8px;
    font-size: .82rem;
  }

  .event-selector-card {
    margin-bottom: 14px;
  }

  .event-selector-side-content {
    min-height: auto;
    padding: 14px;
  }

  .event-selector-main {
    padding: 0 13px 16px;
    border-width: 3px;
  }

  .event-selector-main > .event-selector-caption {
    margin: 0 -13px 14px;
    padding: 10px 12px;
  }

  .event-main-name {
    margin-top: 10px;
  }
}

@media (min-width: 900px) {
  .event-selector-side-content {
    min-height: 92px;
  }

  .workspace-nav a.workspace-button {
    min-height: 48px;
  }
}

/* ============================================================
   WAVE 2 — EVENT WORKSPACE / MOBILE FIRST
   ============================================================ */

.admin-page {
  max-width: 820px;
  margin: 0 auto;
}

.page-heading {
  margin-bottom: 18px;
}

.page-heading-actions {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
}

.eyebrow {
  color: #64748b;
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.form-section {
  padding: 4px 0 20px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.form-section:last-of-type {
  border-bottom: 0;
  margin-bottom: 0;
}

.form-section-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 10px;
}

.form-grid {
  display: grid;
  gap: 12px;
}

.form-grid-2 {
  grid-template-columns: repeat(2, minmax(0,1fr));
}

.readonly-box {
  min-height: 44px;
  padding: 11px 12px;
  border: 1px dashed #cbd5e1;
  border-radius: 8px;
  background: #f8fafc;
  color: #475569;
  overflow-wrap: anywhere;
}

.day2-panel {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  background: #eff6ff;
}

.toggle-row {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #f8fafc;
  cursor: pointer;
}

.toggle-row input {
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--primary);
}

.toggle-row span {
  display: grid;
  gap: 2px;
}

.toggle-row small {
  color: var(--muted);
  font-weight: 400;
}

.sticky-form-actions {
  position: sticky;
  bottom: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(100px,.45fr) minmax(170px,1fr);
  gap: 10px;
  padding: 12px;
  margin: 18px -24px -24px;
  background: rgba(255,255,255,.96);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.sticky-form-actions .btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.compact-card {
  padding: 16px;
}

.copy-row,
.search-row,
.tool-button-row,
.invite-secondary-actions {
  display: flex;
  gap: 8px;
  align-items: stretch;
  flex-wrap: wrap;
}

.copy-row input,
.search-row input {
  flex: 1 1 220px;
}

.copy-row .btn,
.search-row .btn,
.tool-button-row .btn,
.invite-secondary-actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.registrant-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
}

.registrant-tools {
  display: grid;
  gap: 12px;
}

.result-count {
  margin: 2px 0 12px;
  color: var(--muted);
  font-size: .9rem;
}

.registrant-main {
  min-width: 0;
}

.registrant-card .reg-card-meta {
  display: grid;
  gap: 2px;
}

.registrant-card .reg-card-meta span {
  display: block;
}

.registrant-status {
  flex: 0 0 auto;
  text-align: right;
}

.registrant-actions {
  padding-top: 10px;
  border-top: 1px solid #f1f5f9;
}

.inline-action-form {
  display: flex !important;
  gap: 8px;
  flex-wrap: wrap;
}

.registrant-cancelled {
  opacity: .7;
}

/* ---------- Agenda Wave 2 ---------- */
.agenda-day-card {
  padding: 18px;
}

.agenda-day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.agenda-day-header h2 {
  margin: 0;
}

.agenda-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.agenda-page .agenda-row {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
}

.agenda-page .agenda-row.agenda-session {
  background: #fff7d6;
  border-color: #f4d56c;
  box-shadow: inset 4px 0 0 #d97706;
}

.agenda-page .agenda-row-fields {
  display: grid;
  grid-template-columns: 115px 120px minmax(220px,1.5fr) minmax(180px,1fr);
  gap: 8px;
  min-width: 0;
}

.agenda-field label {
  margin: 0 0 4px;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: #64748b;
}

.agenda-field input,
.agenda-field select {
  min-height: 42px;
}

.agenda-page .agenda-row-actions {
  display: flex;
  gap: 5px;
  align-self: end;
}

.agenda-page .agenda-row-actions .btn {
  min-width: 40px;
  min-height: 40px;
  padding: 6px 8px;
}

.agenda-empty {
  padding: 18px;
  text-align: center;
  color: var(--muted);
  background: #f8fafc;
  border-radius: 10px;
}

.agenda-save-bar {
  margin-left: 0;
  margin-right: 0;
  margin-bottom: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
}

/* ---------- Invite Wave 2 ---------- */
.invite-card {
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.invite-event-summary {
  text-align: center;
  padding-bottom: 18px;
}

.invite-event-summary h2 {
  margin: 10px 0 8px;
  font-size: 1.35rem;
}

.invite-meta {
  display: flex;
  justify-content: center;
  gap: 8px 14px;
  flex-wrap: wrap;
  color: #475569;
}

.invite-meta span {
  display: inline-flex;
  align-items: center;
}

.invite-qr-panel {
  padding: 18px 14px;
  border: 2px solid #2563eb;
  border-radius: 14px;
  background: linear-gradient(180deg,#eff6ff 0%,#fff 100%);
  text-align: center;
}

.invite-qr-title {
  color: #1d4ed8;
  font-weight: 900;
  letter-spacing: .06em;
  font-size: .85rem;
}

.invite-qr-code {
  display: flex;
  justify-content: center;
  margin: 14px auto;
}

.invite-qr-code canvas,
.invite-qr-code img {
  max-width: 100%;
  height: auto !important;
  border: 8px solid #fff;
  box-shadow: 0 0 0 1px #cbd5e1;
  border-radius: 8px;
}

.invite-qr-caption {
  color: #475569;
  font-size: .88rem;
  font-weight: 600;
}

.invite-pdf-button {
  margin-top: 16px;
}

.invite-link-section {
  margin-top: 20px;
}

.invite-secondary-actions {
  margin-top: 18px;
}

@media (max-width: 700px) {
  .page-heading-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .page-primary-action {
    width: 100%;
  }

  .event-form-card {
    padding: 16px;
  }

  .form-grid-2 {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .sticky-form-actions {
    margin-left: -16px;
    margin-right: -16px;
    margin-bottom: -16px;
    grid-template-columns: .75fr 1.25fr;
  }

  .registrant-stats {
    gap: 8px;
  }

  .registrant-stats .stat-box {
    min-width: 0;
    padding: 12px 8px;
    text-align: center;
  }

  .registrant-stats .num {
    font-size: 1.35rem;
  }

  .copy-row,
  .search-row,
  .tool-button-row,
  .invite-secondary-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .copy-row input,
  .search-row input {
    min-width: 0;
    width: 100%;
  }

  .registrant-card .reg-card-top {
    display: grid;
    grid-template-columns: 1fr;
  }

  .registrant-status {
    text-align: left;
  }

  .registrant-actions,
  .inline-action-form {
    display: grid !important;
    grid-template-columns: repeat(2,minmax(0,1fr));
    width: 100%;
  }

  .registrant-actions > .btn,
  .inline-action-form .btn {
    width: 100%;
    min-height: 42px;
  }

  .agenda-day-card {
    padding: 14px;
  }

  .agenda-day-header {
    align-items: flex-end;
  }

  .agenda-page .agenda-row {
    grid-template-columns: 1fr;
  }

  .agenda-page .agenda-row-fields {
    grid-template-columns: 1fr;
  }

  .agenda-page .agenda-row-actions {
    justify-content: flex-end;
    border-top: 1px solid #e5e7eb;
    padding-top: 8px;
  }

  .agenda-save-bar {
    grid-template-columns: .8fr 1.2fr;
  }

  .invite-card {
    padding: 16px;
  }
}

/* ============================================================
   WAVE 3 — CHECK-IN LOCKED TO CURRENT EVENT
   ============================================================ */

.workspace-nav.workspace-nav-five {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.workspace-nav a.workspace-button-scan {
  border-color: #86efac;
  background: #f0fdf4;
  color: #166534;
}

.workspace-nav a.workspace-button-scan:hover {
  border-color: #22c55e;
  background: #dcfce7;
  color: #14532d;
}

.scan-page {
  max-width: 760px;
  margin: 0 auto;
}

.scan-event-lock {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  margin-bottom: 16px;
  padding: 14px 16px;
  border: 2px solid #22c55e;
  border-radius: 14px;
  background: linear-gradient(135deg, #f0fdf4 0%, #ecfeff 100%);
  box-shadow: 0 5px 18px rgba(22, 101, 52, .08);
}

.scan-event-lock-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: #dcfce7;
  font-size: 1.25rem;
}

.scan-event-lock-label {
  color: #15803d;
  font-size: .68rem;
  font-weight: 900;
  letter-spacing: .08em;
}

.scan-event-lock-name {
  margin-top: 2px;
  color: #14532d;
  font-size: 1.08rem;
  font-weight: 850;
  line-height: 1.25;
}

.scan-event-lock-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  margin-top: 6px;
  color: #475569;
  font-size: .82rem;
}

.scan-event-lock-meta span {
  display: inline-flex;
  align-items: center;
}

.scan-change-event {
  margin: 0;
  white-space: nowrap;
  min-height: 42px;
}

.scan-workspace {
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.scan-mode-tabs {
  margin-top: 0;
}

.scan-reader {
  width: 100%;
  overflow: hidden;
  border-radius: 12px;
  background: #0f172a;
}

.scan-reader video {
  border-radius: 12px;
}

.scan-main-button {
  min-height: 52px;
  font-size: 1.05rem;
}

.scan-hint {
  text-align: center;
}

.scan-search-results {
  margin-top: 14px;
}

.scan-search-card {
  box-shadow: none;
}

.walkin-notice {
  padding: 11px 12px;
  margin-bottom: 14px;
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  background: #eff6ff;
  color: #1e3a8a;
  font-size: .88rem;
}

/* Wrong-event warning must be visually unmistakable. */
.scan-page #scan-result.error {
  border: 1px solid #fecaca;
  font-weight: 700;
}

.scan-page #scan-result.warning {
  border: 1px solid #fde68a;
  font-weight: 700;
}

.scan-page #scan-result.success {
  border: 1px solid #86efac;
  font-weight: 700;
}

@media (max-width: 700px) {
  .workspace-nav.workspace-nav-five {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workspace-nav.workspace-nav-five .workspace-button-scan {
    border-width: 2px;
  }

  .scan-page .page-heading {
    margin-bottom: 12px;
  }

  .scan-event-lock {
    grid-template-columns: 42px minmax(0, 1fr);
    padding: 12px;
  }

  .scan-change-event {
    grid-column: 1 / -1;
    width: 100%;
    min-height: 46px;
  }

  .scan-workspace {
    padding: 14px;
  }

  .scan-mode-tabs {
    gap: 6px;
  }

  .scan-mode-tabs button {
    min-height: 48px;
    padding: 10px 6px;
    font-size: .82rem;
  }

  .scan-search-card .reg-card-top {
    display: grid;
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   WAVE 3B — REGISTRANT CARD / EXCEL-LIKE TABLE SWITCH
   ============================================================ */

.page-heading-button-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.registrant-view-note {
  margin: 0 0 10px;
  padding: 9px 12px;
  border: 1px solid #bfdbfe;
  border-radius: 9px;
  background: #eff6ff;
  color: #1e3a8a;
  font-size: .84rem;
}

.registrant-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin-bottom: 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(15, 23, 42, .06);
  -webkit-overflow-scrolling: touch;
}

.registrant-table {
  width: 100%;
  min-width: 1450px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: .84rem;
}

.registrant-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 10px 9px;
  background: #eaf2ff;
  color: #1e3a8a;
  border-bottom: 2px solid #93c5fd;
  white-space: nowrap;
  font-size: .73rem;
  letter-spacing: .02em;
}

.registrant-table tbody td {
  padding: 9px;
  vertical-align: top;
  border-bottom: 1px solid #e5e7eb;
  background: #fff;
}

.registrant-table tbody tr:nth-child(even) td {
  background: #f8fafc;
}

.registrant-table tbody tr:hover td {
  background: #eff6ff;
}

.registrant-table tbody tr:last-child td {
  border-bottom: 0;
}

.registrant-table .table-index {
  width: 48px;
  text-align: center;
  color: var(--muted);
}

.registrant-table .table-name {
  min-width: 180px;
  font-weight: 700;
  color: #0f172a;
}

.registrant-table .table-row-cancelled td {
  opacity: .68;
}

.table-action-stack {
  display: flex;
  align-items: flex-start;
  gap: 5px;
  flex-wrap: wrap;
  min-width: 250px;
}

.table-inline-form {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  margin: 0;
}

.registrant-table .btn.small {
  padding: 6px 9px;
  min-height: 32px;
  font-size: .76rem;
  white-space: nowrap;
}

@media (max-width: 700px) {
  .page-heading-button-group {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .page-heading-button-group .btn {
    width: 100%;
  }

  .registrant-view-note {
    font-size: .8rem;
  }
}