/* Base compartida (landing, reserva, admin). Móvil primero: se amplía con min-width. */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}
img, svg { max-width: 100%; display: block; }
a { color: var(--primary); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5rem; }
p { margin: 0 0 1rem; }
button, input, select, textarea { font: inherit; color: inherit; }
.ti { line-height: 1; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--text-soft); }
.small { font-size: 14px; }
.hidden { display: none !important; }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 20px;
  border: 0; border-radius: var(--radius); cursor: pointer;
  font-weight: 700; text-decoration: none;
  background: var(--primary); color: var(--on-primary);
  transition: background .15s, transform .1s;
}
.btn:hover { background: var(--primary-hover); }
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-block { width: 100%; }
.btn-ghost { background: transparent; color: var(--primary); border: 1.5px solid var(--lila-200); }
.btn-ghost:hover { background: var(--lila-50); }
.btn-soft { background: var(--lila-50); color: var(--lila-700); }
.btn-soft:hover { background: var(--lila-100); }
.btn-danger { background: var(--danger-bg); color: var(--danger); }
.btn-danger:hover { background: #fbd5dd; }
.btn-sm { min-height: 38px; padding: 8px 14px; font-size: 14px; border-radius: var(--radius-sm); }
.btn-icon { display: inline-grid; place-items: center; flex: none; min-height: 40px; width: 40px; padding: 0; border: 0; border-radius: 12px; background: transparent; color: var(--text); font-size: 22px; cursor: pointer; }
.btn-icon:hover { background: var(--lila-50); }

/* Chips */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; min-height: 40px;
  border-radius: 999px; border: 1.5px solid var(--border-strong);
  background: var(--bg); color: var(--text);
  font-weight: 600; font-size: 15px; cursor: pointer; white-space: nowrap;
}
.chip:hover { border-color: var(--lila-400); }
.chip[aria-pressed='true'], .chip.is-active { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.tag { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px; font-size: 13px; font-weight: 700; background: var(--lila-50); color: var(--lila-700); }
.tag-ok { background: var(--menta); color: var(--menta-ink); }
.tag-warn { background: var(--durazno); color: var(--durazno-ink); }
.tag-danger { background: var(--danger-bg); color: var(--danger); }
.tag-info { background: var(--cielo); color: var(--cielo-ink); }

/* Formularios */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-weight: 700; font-size: 14px; }
.input, .field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 12px 14px;
  border: 1.5px solid var(--border-strong); border-radius: var(--radius-sm);
  background: var(--bg); font-size: 16px; /* 16px evita el zoom en iOS */
}
.field textarea { min-height: 90px; resize: vertical; }
.input:focus, .field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--lila-400); box-shadow: 0 0 0 3px var(--lila-50); }
.field .hint { font-size: 13px; color: var(--text-soft); }
.field .error, .form-error { font-size: 14px; color: var(--danger); font-weight: 600; }
.field.is-valid input { border-color: var(--ok); }
.field.is-invalid input { border-color: var(--danger); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; cursor: pointer; }
.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--primary); flex: none; }
.input-wrap { position: relative; }
.input-wrap .ti { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); font-size: 20px; }

/* Tarjetas */
.card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.icon-bubble { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; font-size: 24px; background: var(--lila-50); color: var(--primary); flex: none; }

/* Modal / hoja inferior (móvil) -> diálogo centrado (escritorio) */
.sheet-backdrop {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(46, 37, 69, .45);
  display: flex; align-items: flex-end; justify-content: center;
  animation: fade .15s ease-out;
}
.sheet {
  width: 100%; max-height: 92vh; overflow: auto;
  background: var(--bg); border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 20px 16px calc(20px + env(safe-area-inset-bottom));
  animation: up .2s ease-out;
}
.sheet-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.sheet-head h2 { margin: 0; font-size: 20px; }
@media (min-width: 768px) {
  .sheet-backdrop { align-items: center; padding: 24px; }
  .sheet { max-width: 520px; border-radius: var(--radius-lg); padding: 24px; }
}
@keyframes fade { from { opacity: 0; } }
@keyframes up { from { transform: translateY(24px); opacity: 0; } }

/* Toast */
.toast {
  position: fixed; left: 50%; bottom: calc(var(--bar-h) + 16px); transform: translateX(-50%);
  z-index: 80; max-width: calc(100% - 32px);
  background: var(--text); color: #fff; padding: 12px 18px; border-radius: var(--radius);
  font-weight: 600; box-shadow: var(--shadow); animation: up .2s ease-out;
}
.toast.is-error { background: var(--danger); }

.spinner { width: 22px; height: 22px; border: 3px solid var(--lila-100); border-top-color: var(--primary); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.empty { text-align: center; padding: 28px 12px; color: var(--text-soft); }
.empty .ti { font-size: 36px; color: var(--lila-200); display: block; margin: 0 auto 8px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}