:root {
  --bg: #0f1115;
  --surface: #1a1d24;
  --surface-2: #23272f;
  --border: #2e333d;
  --text: #e8eaed;
  --text-dim: #9aa0ab;
  --accent: #4f8cff;
  --good: #3ecf8e;
  --warn: #e6a23c;
  --bad: #e6584c;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

header.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

header.app-header h1 {
  font-size: 1.1rem;
  margin: 0;
}

button {
  font: inherit;
  cursor: pointer;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  padding: 0.5rem 0.9rem;
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

button.danger {
  border-color: var(--bad);
  color: var(--bad);
  background: transparent;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

input, textarea {
  font: inherit;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 0.5rem;
  width: 100%;
}

/* ---- Auth screen ---- */

#auth-screen {
  max-width: 360px;
  margin: 4rem auto;
  padding: 1.5rem;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

#auth-screen h2 {
  margin-top: 0;
}

#auth-screen form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

#auth-screen .switch {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--text-dim);
}

#auth-screen .switch a {
  color: var(--accent);
  cursor: pointer;
}

.error-text {
  color: var(--bad);
  font-size: 0.9rem;
  min-height: 1.2em;
}

/* ---- App ---- */

main.app-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

#schedule-strip {
  background: #1e90ff;
  color: #fff;
  border: 1px solid #1e90ff;
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

#family-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.family-row {
  display: flex;
  align-items: stretch;
  gap: 1rem;
}

.family-row-days {
  flex: 0 0 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 0.25rem;
}

.family-row-cards {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.family-row.row-burgundy .family-row-days,
.family-row.row-burgundy .family-card {
  background: #3a1420;
  border-color: #5c2233;
}

.family-row.row-gold .family-row-days,
.family-row.row-gold .family-card {
  background: #3a2e10;
  border-color: #5c4a1c;
}

.family-row.row-green .family-row-days,
.family-row.row-green .family-card {
  background: #10301f;
  border-color: #1e4d33;
}

.family-row .family-card.is-today {
  border-color: var(--accent);
}

.family-row .family-row-days.is-today {
  color: var(--accent);
  border-color: var(--accent);
}

.family-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.family-card.is-today {
  background: var(--surface-2);
  border-color: var(--accent);
}

.family-card h3 {
  margin: 0;
  font-size: 1rem;
}

.family-card .exercise-name {
  font-size: 1.15rem;
  font-weight: 600;
}

.family-card h3 a,
.family-card .exercise-name a {
  color: inherit;
  text-decoration: none;
}

.family-card h3 a:hover,
.family-card .exercise-name a:hover {
  text-decoration: underline;
}

.family-card .milestone {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.progress-bar-track {
  background: var(--surface-2);
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
}

.progress-bar-fill {
  background: var(--accent);
  height: 100%;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  width: fit-content;
}

.badge.ready {
  background: rgba(62, 207, 142, 0.15);
  color: var(--good);
}

.family-card .actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

/* ---- Modal ---- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 10;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  overflow-y: auto;
}

.modal h2 {
  margin-top: 0;
}

.set-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

.set-row input {
  flex: 1;
}

.form-toggle {
  display: flex;
  gap: 1rem;
  margin: 0.5rem 0;
}

.form-toggle label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
}

.caution-banner {
  background: rgba(230, 162, 60, 0.15);
  color: var(--warn);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  margin-top: 0.75rem;
  font-size: 0.9rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
}

.history-item {
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 0;
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: flex-start;
}

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

.history-item .meta {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.history-item .row-actions {
  display: flex;
  gap: 0.4rem;
}