/* ==========================================================================
   Infinite Youth — Mass Practice Registration
   Palette pulled from the association ring mark: circuit blue + ring red,
   set on a warm parchment ground so the two brand hues stay the accent,
   not the background.
   ========================================================================== */

:root {
  --ink:        #241F1B;
  --ink-soft:   #5B534C;
  --paper:      #FBF6EE;
  --paper-2:    #F3ECDF;
  --card:       #FFFFFF;
  --line:       #E7DDC9;

  --blue:       #1C5FA8;
  --blue-dark:  #123E70;
  --red:        #D62E36;
  --red-dark:   #A21F26;
  --gold:       #D99A34;

  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px -12px rgba(36, 31, 27, 0.18);
  --shadow-sm: 0 4px 14px -6px rgba(36, 31, 27, 0.16);

  --font-zh: 'Noto Serif SC', 'PingFang SC', 'Microsoft YaHei', serif;
  --font-en: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-en);
  -webkit-font-smoothing: antialiased;
}

body {
  background-image:
    radial-gradient(1200px 600px at 100% -10%, rgba(28, 95, 168, 0.07), transparent 60%),
    radial-gradient(900px 500px at -10% 0%, rgba(214, 46, 54, 0.06), transparent 55%);
  padding-bottom: 64px;
}

h1, h2, h3 { font-family: var(--font-zh); margin: 0; }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.topbar__inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.topbar__logo {
  height: 42px;
  width: auto;
  flex-shrink: 0;
}
.topbar__title { flex: 1; min-width: 0; }
.topbar__title h1 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
}
.topbar__date {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--ink-soft);
  margin-left: 6px;
}
.topbar__sub {
  margin: 2px 0 0;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--ink-soft);
}
.topbar__logout { margin-left: auto; }

/* ---------- Layout ---------- */
.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 16px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 20px;
  border: 1px solid var(--line);
}
.card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 14px;
}
.card__title span {
  display: block;
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--ink-soft);
  margin-top: 2px;
}

.card--error { border-color: var(--red); }
.card--error__detail {
  font-family: monospace;
  font-size: 0.72rem;
  color: var(--ink-soft);
  word-break: break-word;
}
.card--warning {
  border-color: var(--gold);
  background: #FFF8EA;
}
.card--warning p { margin: 0; line-height: 1.7; font-size: 0.95rem; }
.card--warning span { display: block; color: var(--ink-soft); font-family: var(--font-en); font-size: 0.82rem; }

/* ---------- Login ---------- */
.card--login { text-align: center; padding: 40px 24px; margin-top: 30px; }
.card--login h2 { font-size: 1.2rem; margin-bottom: 4px; }
.card--login h2 span {
  display: block;
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink-soft);
  margin-top: 4px;
}
.form-error {
  color: var(--red-dark);
  background: #FDECEC;
  border: 1px solid #F4C6C8;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.85rem;
  margin: 16px 0 0;
}
.login-form {
  margin-top: 20px;
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.login-form input {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 1rem;
  width: 180px;
  background: var(--paper-2);
}
.login-form input:focus { outline: 2px solid var(--blue); outline-offset: 1px; }

/* ---------- KPI card ---------- */
.kpi-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  background: linear-gradient(135deg, var(--blue-dark), var(--blue) 60%, var(--red));
  color: #fff;
  box-shadow: var(--shadow);
}
.kpi-card__ring {
  position: absolute;
  right: -60px;
  top: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 26px solid rgba(255, 255, 255, 0.14);
}
.kpi-card__ring::after {
  content: "";
  position: absolute;
  inset: -26px;
  border-radius: 50%;
  border: 8px solid rgba(255, 255, 255, 0.10);
}
.kpi-card__body { position: relative; z-index: 1; }
.kpi-card__label {
  margin: 0 0 6px;
  font-family: var(--font-zh);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
}
.kpi-card__label span {
  display: block;
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 0.75rem;
  opacity: 0.85;
  margin-top: 2px;
}
.kpi-card__value {
  margin: 0;
  font-family: var(--font-zh);
  font-weight: 900;
  font-size: 3rem;
  line-height: 1;
}

/* ---------- Toast ---------- */
.toast {
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.88rem;
  border: 1px solid transparent;
}
.toast span { font-family: var(--font-en); margin-left: 6px; color: inherit; opacity: 0.85; }
.toast--success { background: #EAF6EC; color: #256B33; border-color: #C9E9CD; }
.toast--error { background: #FDECEC; color: var(--red-dark); border-color: #F4C6C8; }

/* ---------- Greeting ---------- */
.greeting p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--ink);
}
.greeting span {
  display: block;
  font-family: var(--font-en);
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-top: 2px;
}

/* ---------- Venue list ---------- */
.venue-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}
.venue-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line);
}
.venue-row__name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
}
.venue-row__input {
  width: 92px;
  text-align: right;
  font-size: 1rem;
  font-weight: 700;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper-2);
  color: var(--ink);
}
.venue-row__input:focus { outline: 2px solid var(--blue); outline-offset: 1px; }
.venue-row__input.changed {
  border-color: var(--gold);
  background: #FFF6E4;
}

.venue-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 18px;
}

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 0.88rem;
  border: none;
  border-radius: var(--radius-sm);
  padding: 11px 20px;
  cursor: pointer;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}
.btn span { font-size: 0.82em; opacity: 0.9; }
.btn--primary { background: var(--blue); color: #fff; }
.btn--primary:hover { background: var(--blue-dark); }
.btn--secondary { background: var(--paper-2); color: var(--ink); border: 1px solid var(--line); }
.btn--secondary:hover { background: var(--line); }
.btn--ghost { background: transparent; color: var(--ink-soft); border: 1px solid var(--line); padding: 8px 14px; font-size: 0.8rem; }
.btn--ghost:hover { background: var(--paper-2); }

/* ---------- Summary tables ---------- */
.summary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.summary-table th {
  text-align: left;
  font-family: var(--font-en);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  padding: 8px 6px;
  border-bottom: 2px solid var(--line);
}
.summary-table td {
  padding: 10px 6px;
  border-bottom: 1px solid var(--line);
}
.summary-table tbody tr:nth-child(odd) { background: var(--paper-2); }
.summary-table .num { text-align: right; font-weight: 700; }

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(36, 31, 27, 0.5);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 50;
}
.modal[hidden] { display: none; }
.modal__panel {
  background: var(--card);
  width: 100%;
  max-width: 480px;
  border-radius: 20px 20px 0 0;
  padding: 22px 20px 24px;
  box-shadow: var(--shadow);
  max-height: 80vh;
  overflow-y: auto;
}
.modal__panel h3 {
  font-size: 1.05rem;
  margin-bottom: 2px;
}
.modal__panel h3 span {
  display: block;
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-soft);
  margin-top: 2px;
}
.modal__list {
  list-style: none;
  margin: 16px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.modal__list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--paper-2);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.9rem;
}
.modal__list .arrow {
  font-weight: 700;
  color: var(--blue);
  white-space: nowrap;
}
.modal__actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 6px;
}

@media (min-width: 640px) {
  .modal { align-items: center; }
  .modal__panel { border-radius: 20px; }
}

/* ---------- Responsive tweaks ---------- */
@media (max-width: 420px) {
  .topbar__logo { height: 34px; }
  .topbar__title h1 { font-size: 0.92rem; }
  .kpi-card__value { font-size: 2.4rem; }
  .venue-row__input { width: 78px; }
}