/* MoonGrow — estilos mobile-first
   La luna es lo primero: el calendario lunar abre por defecto y ocupa el foco. */

:root {
  --bg: #0b1026;
  --bg-soft: #141a3a;
  --card: #1b2148;
  --card-2: #232a5c;
  --line: #2e3670;
  --text: #eef1ff;
  --muted: #9aa3d6;
  --moon: #f4f1e0;
  --accent: #7c8cff;
  --accent-2: #b388ff;
  --green: #5fd6a3;
  --green-deep: #2f9e76;
  --water: #4cc4ff;
  --warn: #ffd36e;
  --radius: 18px;
  --shadow: 0 8px 30px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, #2a2266 0%, transparent 60%),
    radial-gradient(900px 500px at 0% 0%, #16204d 0%, transparent 55%),
    var(--bg);
  min-height: 100vh;
  line-height: 1.5;
  padding-bottom: 88px; /* hueco para nav inferior */
}

a { color: var(--accent); }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--accent); color: #fff;
  padding: 10px 14px; border-radius: 0 0 8px 0; z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- Cabecera ---------- */
.app-header {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px 6px;
}
.app-header .logo { font-size: 1.6rem; }
.app-header h1 { font-size: 1.2rem; margin: 0; letter-spacing: .3px; }
.app-header p { margin: 0; font-size: .76rem; color: var(--muted); }

/* ---------- Contenedor ---------- */
main { padding: 8px 14px 24px; max-width: 760px; margin: 0 auto; }
.view { display: none; }
.view.active { display: block; animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

section.card {
  background: linear-gradient(180deg, var(--card), var(--bg-soft));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin: 12px 0;
  box-shadow: var(--shadow);
}
h2 { font-size: 1.05rem; margin: 0 0 10px; }
h3 { font-size: .95rem; margin: 14px 0 6px; }

/* ---------- LUNA DE HOY (héroe) ---------- */
.moon-hero {
  display: flex; align-items: center; gap: 18px;
  background: radial-gradient(120px 120px at 30% 30%, #2b2f63, var(--card));
}
.moon-visual {
  position: relative; width: 96px; height: 96px; flex: 0 0 auto;
  border-radius: 50%;
  background: #11152f;
  box-shadow: inset 0 0 0 1px var(--line), 0 0 24px rgba(124,140,255,.25);
  overflow: hidden;
}
.moon-disc {
  position: absolute; inset: 6px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fffef7, var(--moon) 60%, #cfc9ac 100%);
}
.moon-shadow {
  position: absolute; inset: 6px; border-radius: 50%;
  background: #0b1026;
  /* el JS ajusta el clip-path / transform para simular la fase */
}
.moon-hero .info h2 { margin: 0 0 2px; font-size: 1.15rem; }
.moon-hero .info .sub { color: var(--muted); font-size: .82rem; }
.moon-hero .info .pct { font-size: .8rem; color: var(--accent-2); margin-top: 4px; }

/* ---------- Calendario ---------- */
.cal-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.cal-head .month { font-weight: 600; font-size: 1rem; text-transform: capitalize; }
.cal-nav { display: flex; gap: 6px; }
.icon-btn {
  background: var(--card-2); color: var(--text); border: 1px solid var(--line);
  width: 40px; height: 40px; border-radius: 12px; font-size: 1.1rem; cursor: pointer;
}
.icon-btn:active { transform: scale(.95); }
.weekdays, .grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.weekdays div { text-align: center; font-size: .68rem; color: var(--muted); padding: 4px 0; }
.cell {
  aspect-ratio: 1 / 1; border-radius: 12px; background: var(--bg-soft);
  border: 1px solid transparent;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-size: .72rem; cursor: pointer; position: relative; padding: 2px;
}
.cell.empty { background: transparent; cursor: default; }
.cell .d { font-weight: 600; }
.cell .m { font-size: 1rem; line-height: 1; }
.cell.today { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.cell.principal { background: linear-gradient(180deg, #26306e, var(--bg-soft)); }
.cell .badge {
  position: absolute; bottom: 2px; font-size: .55rem; color: var(--warn); text-align: center; line-height: 1;
}
.cell.selected { outline: 2px solid var(--accent-2); }

.day-detail { margin-top: 12px; background: var(--card-2); border-radius: 14px; padding: 12px; border: 1px solid var(--line); }
.day-detail h3 { margin: 0 0 4px; }
.day-detail .advice { font-size: .85rem; color: var(--text); }
.day-detail .advice strong { color: var(--green); }
.day-detail .water-tip { margin-top: 6px; font-size: .8rem; color: var(--water); }

.legend { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; font-size: .72rem; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 4px; }

/* ---------- Buscador de plantas ---------- */
.search-box { display: flex; gap: 8px; }
.search-box input {
  flex: 1; background: var(--bg-soft); border: 1px solid var(--line); color: var(--text);
  padding: 12px 14px; border-radius: 12px; font-size: 1rem;
}
.search-box input::placeholder { color: var(--muted); }
.btn {
  background: linear-gradient(180deg, var(--accent), #5a6bff); color: #fff; border: 0;
  padding: 12px 16px; border-radius: 12px; font-size: .95rem; font-weight: 600; cursor: pointer;
}
.btn.secondary { background: var(--card-2); border: 1px solid var(--line); }
.btn.green { background: linear-gradient(180deg, var(--green), var(--green-deep)); }
.btn:active { transform: scale(.98); }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip {
  background: var(--card-2); border: 1px solid var(--line); color: var(--text);
  padding: 7px 12px; border-radius: 999px; font-size: .8rem; cursor: pointer;
}
.chip:active { transform: scale(.96); }

.plant-card .head { display: flex; align-items: center; gap: 10px; }
.plant-card .head .emoji { font-size: 2rem; }
.plant-card .head h2 { margin: 0; }
.plant-card .head .tipo { font-size: .76rem; color: var(--muted); }
.facts { display: grid; grid-template-columns: 1fr; gap: 8px; margin-top: 12px; }
.fact { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.fact .label { font-size: .68rem; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
.fact .value { font-size: .9rem; margin-top: 2px; }
.fact.water .label { color: var(--water); }
.fact.fert .label { color: var(--green); }
.fact.moon .label { color: var(--accent-2); }

/* ---------- Riegos ---------- */
.reminder { display: flex; align-items: center; gap: 10px; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; margin: 8px 0; }
.reminder .emoji { font-size: 1.5rem; }
.reminder .meta { flex: 1; }
.reminder .meta .name { font-weight: 600; }
.reminder .meta .freq { font-size: .76rem; color: var(--muted); }
.reminder .del { background: transparent; border: 0; color: var(--muted); font-size: 1.2rem; cursor: pointer; }
.empty-state { text-align: center; color: var(--muted); padding: 20px 10px; font-size: .9rem; }

/* ---------- Navegación inferior ---------- */
.tabbar {
  position: fixed; bottom: 0; left: 0; right: 0;
  display: grid; grid-template-columns: repeat(3, 1fr);
  background: rgba(11,16,38,.92); backdrop-filter: blur(8px);
  border-top: 1px solid var(--line); z-index: 50;
  padding-bottom: env(safe-area-inset-bottom);
}
.tabbar button {
  background: none; border: 0; color: var(--muted); padding: 10px 4px 12px;
  display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: .68rem; cursor: pointer;
}
.tabbar button .ic { font-size: 1.3rem; }
.tabbar button.active { color: var(--accent); }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 100px; transform: translateX(-50%) translateY(20px);
  background: var(--card-2); border: 1px solid var(--line); color: var(--text);
  padding: 12px 16px; border-radius: 12px; font-size: .85rem; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transition: .25s; z-index: 80; max-width: 90vw; text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.install-banner {
  display: none; align-items: center; gap: 10px; background: var(--card-2);
  border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; margin: 10px 0;
}
.install-banner.show { display: flex; }
.install-banner .txt { flex: 1; font-size: .82rem; }

.seo-content { color: var(--muted); font-size: .82rem; }
.seo-content h2 { color: var(--text); }
.seo-content details { margin: 8px 0; }
.seo-content summary { cursor: pointer; color: var(--text); font-weight: 600; padding: 6px 0; }

footer { text-align: center; color: var(--muted); font-size: .72rem; padding: 16px; }

/* ---------- Tablet / escritorio ---------- */
@media (min-width: 720px) {
  .app-header h1 { font-size: 1.4rem; }
  .moon-visual { width: 120px; height: 120px; }
  .facts { grid-template-columns: 1fr 1fr; }
  .cell { font-size: .8rem; }
  .cell .m { font-size: 1.3rem; }
  body { padding-bottom: 24px; }
  .tabbar { position: sticky; top: 0; bottom: auto; max-width: 760px; margin: 0 auto; border-radius: 14px; border: 1px solid var(--line); }
}

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