/* App shell: built on tokens.css */

body {
  background: var(--paper-dim);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-header {
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 30;
}
.app-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-sm);
}
.app-header__actions { display: flex; gap: var(--space-2xs); }

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark {
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 8px;
  overflow: hidden;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.brand-mark img { width: 100%; height: 100%; display: block; }

.app-main {
  flex: 1;
  padding-block: var(--space-section);
  display: grid;
  align-content: start;
  gap: var(--space-section);
  max-width: 54rem;
}

/* Dashboard sections were stacking with no gap; space them like app-main's grid */
#dashboard { display: grid; gap: var(--space-section); }

/* ---- Empty state ---- */
.empty-state {
  text-align: center;
  padding: var(--space-lg) var(--space-md) var(--space-md);
  max-width: 28rem;
  margin-inline: auto;
}
.empty-state__mark {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-pill);
  overflow: hidden;
  display: grid;
  place-items: center;
  margin: 0 auto var(--space-md);
}
.empty-state__mark img { width: 100%; height: 100%; display: block; }
.empty-state h1 { font-size: var(--step-2xl); margin-bottom: var(--space-sm); }
.empty-state p { color: var(--text-soft); margin-bottom: var(--space-lg); }

/* ---- Stat row ---- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}
@media (min-width: 560px) {
  .stat-row { grid-template-columns: repeat(4, 1fr); }
}
.stat-card {
  padding: var(--space-xs) var(--space-sm);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.25rem;
}
.stat-card__label {
  font-size: var(--step-2xs);
  font-weight: 700;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.2;
}
.stat-card__value {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.2;
}
.stat-card__value.is-positive { color: var(--sage); }
/* Placeholder text ("Add another week", "No goal set") shouldn't shout in stat type */
.stat-card__value.is-note {
  font-family: var(--font-body);
  font-size: var(--step-xs);
  font-weight: 600;
  color: var(--text-faint);
  letter-spacing: 0;
}

/* ---- Chart card ---- */
.chart-card { padding: var(--space-md); }
.chart-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}
.chart-card__title { font-family: var(--font-display); font-weight: 600; font-size: var(--step-lg); }
.chart-card__body { position: relative; }
#main-chart { width: 100%; height: auto; }

.chart-tooltip {
  position: absolute;
  transform: translate(-50%, -130%);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-data);
  font-size: var(--step-2xs);
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-out);
}
.chart-tooltip[data-visible="true"] { opacity: 1; }

/* ---- Log CTA ---- */
.log-cta { position: sticky; bottom: var(--space-sm); z-index: 10; }

/* ---- Entries list ---- */
.entries-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-lg);
  margin-bottom: var(--space-sm);
}
.entries-list { display: grid; gap: 0.5rem; }
.entry-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.9rem;
}
.entry-row__date {
  font-family: var(--font-data);
  font-size: var(--step-xs);
  color: var(--text-soft);
  width: 5.5rem;
  flex-shrink: 0;
}
.entry-row__weight {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: var(--step-sm);
}
.entry-row__delta {
  font-family: var(--font-data);
  font-size: var(--step-2xs);
  padding: 0.2em 0.55em;
  border-radius: var(--radius-pill);
  background: var(--surface-sunken);
  color: var(--text-faint);
}
.entry-row__delta.is-loss { background: var(--sage-mist); color: var(--sage); }
.entry-row__start-tag {
  font-size: var(--step-2xs);
  font-weight: 700;
  color: var(--berry-deep);
}
.entry-row__spacer { flex: 1; }
.entry-row__edit {
  background: transparent;
  border: none;
  color: var(--text-faint);
  padding: 0.3rem;
  border-radius: var(--radius-sm);
}
.entry-row__edit:hover { color: var(--plum); background: var(--mist); }

/* ---- Modal ---- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(42, 22, 51, 0.44);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  z-index: 100;
}
@media (min-width: 560px) {
  .modal-backdrop { align-items: center; padding: var(--space-md); }
}
.modal {
  position: relative;
  width: 100%;
  max-width: 26rem;
  max-height: 92vh;
  overflow-y: auto;
  padding: var(--space-lg) var(--space-md) var(--space-md);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
@media (min-width: 560px) {
  .modal { border-radius: var(--radius-lg); padding: var(--space-lg); }
}
.modal-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
}
.modal-title { font-size: var(--step-xl); margin-bottom: var(--space-2xs); }
.modal-lede { color: var(--text-soft); margin-bottom: var(--space-md); }

#setup-form, #entry-form, #settings-form {
  display: grid;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}
.form-error {
  color: var(--berry-deep);
  background: rgba(225, 79, 130, 0.12);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.8rem;
  font-size: var(--step-xs);
  font-weight: 600;
}
.modal-actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}
.modal-actions .btn--primary { flex: 1; }

.settings-backup {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.settings-danger {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

/* ---- Install card ---- */
.install-card {
  position: relative;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  padding: var(--space-md);
}
.install-card__icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 12px;
  background: var(--gradient-brand);
  color: #fff;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.install-card__copy { flex: 1; min-width: 15rem; }
.install-card__copy h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-md);
  margin-bottom: 0.2rem;
}
.install-card__copy p { font-size: var(--step-sm); color: var(--text-soft); }
.install-card__actions { display: flex; gap: var(--space-2xs); flex-wrap: wrap; }
.install-card__dismiss {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: transparent;
  border: none;
  color: var(--text-faint);
  padding: 0.35rem;
  border-radius: var(--radius-pill);
}
.install-card__dismiss:hover { color: var(--ink); background: var(--mist); }

.install-steps { display: grid; gap: var(--space-sm); margin-top: var(--space-sm); }
.install-steps h3 { font-size: var(--step-sm); margin-bottom: 0.15rem; }
.install-steps p { font-size: var(--step-sm); color: var(--text-soft); }
.install-steps strong { color: var(--text); }

/* ---- Legal modal ---- */
.legal-body h3 { font-size: var(--step-sm); margin-top: var(--space-sm); margin-bottom: 0.15rem; }
.legal-body p { font-size: var(--step-sm); color: var(--text-soft); }
.legal-body a { color: var(--plum); font-weight: 600; }

/* ---- App footer ---- */
.app-footer {
  border-top: 1px solid var(--border);
  background: var(--paper);
  padding-block: var(--space-sm);
  font-size: var(--step-xs);
  color: var(--text-faint);
}
.app-footer__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2xs) var(--space-sm);
}
.app-footer__links { display: flex; gap: var(--space-sm); }
.app-footer__links button,
.app-footer__links a {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  font-weight: 600;
  color: var(--text-soft);
  text-decoration: none;
}
.app-footer__links button:hover,
.app-footer__links a:hover { color: var(--plum); text-decoration: underline; }

@media (prefers-color-scheme: dark) {
  .legal-body a,
  .app-footer__links button:hover,
  .app-footer__links a:hover { color: var(--berry); }
}

/* ---- Toast ---- */
.toast {
  position: fixed;
  left: 50%;
  bottom: var(--space-lg);
  transform: translate(-50%, 12px);
  background: var(--ink);
  color: var(--paper);
  padding: 0.7rem 1.1rem;
  border-radius: var(--radius-pill);
  font-size: var(--step-sm);
  font-weight: 600;
  box-shadow: var(--shadow-pop);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
  z-index: 200;
}
.toast[data-visible="true"] { opacity: 1; transform: translate(-50%, 0); }