/* ============================================================
   Wikinat — Diseño limpio, holístico y mobile-first
   Paleta: verdes orgánicos, tonos tierra y blanco.
   ============================================================ */

:root {
  --green-900: #1F3A28;
  --green-700: #2E5339;
  --green-500: #4A7C59;
  --green-300: #8FBC94;
  --green-100: #E4EFE4;
  --earth-500: #A98467;
  --earth-300: #D4C4A8;
  --earth-100: #F1E9DC;
  --cream: #F7F4EF;
  --white: #FFFFFF;
  --ink: #26302A;
  --ink-soft: #5C6B60;
  --danger: #B4552D;
  --danger-bg: #FBEFE7;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 2px 10px rgba(31, 58, 40, 0.08);
  --shadow-lift: 0 6px 18px rgba(31, 58, 40, 0.14);
  --nav-height: 64px;
  --max-width: 640px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.55;
  min-height: 100dvh;
  padding-bottom: calc(var(--nav-height) + env(safe-area-inset-bottom, 0px));
}

a { color: var(--green-700); text-decoration: none; }

button { font: inherit; cursor: pointer; }

/* ---------- Header ---------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--green-700);
  color: var(--white);
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.3px;
}

.brand-leaf { font-size: 1.4rem; }

.header-actions { display: flex; align-items: center; gap: 10px; }

.lang-toggle {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.offline-badge {
  background: var(--earth-500);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
}

/* ---------- Layout ---------- */
.view {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px;
}

.section-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--green-900);
  margin: 22px 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---------- Búsqueda ---------- */
.search-wrap { position: relative; margin-top: 4px; }

.search-input {
  width: 100%;
  padding: 14px 16px 14px 44px;
  border: 1.5px solid var(--green-100);
  border-radius: var(--radius);
  background: var(--white);
  font-size: 1rem;
  color: var(--ink);
  box-shadow: var(--shadow);
  outline: none;
  transition: border-color 0.2s;
}

.search-input:focus { border-color: var(--green-500); }

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  opacity: 0.6;
}

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

.chip {
  background: var(--earth-100);
  color: var(--earth-500);
  border: none;
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* ---------- Categorías ---------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 8px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform 0.15s, box-shadow 0.15s;
}

.category-card:active { transform: scale(0.96); }

.category-card .cat-icon { font-size: 1.7rem; }

.category-card .cat-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-soft);
}

/* ---------- Tarjetas de remedio ---------- */
.remedy-list { display: flex; flex-direction: column; gap: 12px; }

.remedy-card {
  display: block;
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
}

.remedy-card:active { transform: scale(0.985); box-shadow: var(--shadow-lift); }

.remedy-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.remedy-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--green-900);
}

.remedy-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.badge-cat {
  background: var(--green-100);
  color: var(--green-700);
  border-radius: 999px;
  padding: 2px 10px;
  font-weight: 600;
}

.score-pill {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--green-100);
  color: var(--green-700);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: 999px;
  padding: 4px 10px;
}

.empty-state {
  text-align: center;
  color: var(--ink-soft);
  padding: 40px 20px;
}

.empty-state .empty-icon { font-size: 2.5rem; display: block; margin-bottom: 10px; }

/* ---------- Detalle ---------- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.detail-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.detail-title { font-size: 1.35rem; color: var(--green-900); line-height: 1.3; }

.detail-origin {
  margin-top: 10px;
  padding: 10px 14px;
  background: var(--earth-100);
  border-left: 4px solid var(--earth-500);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--ink-soft);
  font-style: italic;
}

.detail-section { margin-top: 18px; }

.detail-section h3 {
  font-size: 0.95rem;
  color: var(--green-700);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ingredient-list, .step-list { padding-left: 22px; display: grid; gap: 6px; font-size: 0.95rem; }

.warning-box {
  margin-top: 18px;
  background: var(--danger-bg);
  border: 1px solid #EBCDBB;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.88rem;
  color: var(--danger);
}

.disclaimer-box {
  margin-top: 12px;
  background: var(--green-100);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.8rem;
  color: var(--green-900);
}

/* ---------- Votación ---------- */
.vote-panel {
  margin-top: 20px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  text-align: center;
}

.vote-question { font-weight: 700; color: var(--green-900); margin-bottom: 12px; }

.vote-buttons { display: flex; gap: 12px; justify-content: center; }

.vote-btn {
  flex: 1;
  max-width: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 12px;
  border-radius: var(--radius);
  border: 2px solid var(--green-100);
  background: var(--white);
  font-weight: 700;
  color: var(--ink-soft);
  transition: all 0.15s;
}

.vote-btn .vote-count { font-size: 1.15rem; color: var(--green-700); }

.vote-btn.vote-yes.selected {
  background: var(--green-100);
  border-color: var(--green-500);
  color: var(--green-700);
}

.vote-btn.vote-no.selected {
  background: var(--danger-bg);
  border-color: var(--danger);
  color: var(--danger);
}

.vote-btn.vote-no.selected .vote-count { color: var(--danger); }

.vote-hint { margin-top: 10px; font-size: 0.78rem; color: var(--ink-soft); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius);
  padding: 13px 20px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.15s, opacity 0.15s;
}

.btn:active { transform: scale(0.97); }

.btn-primary { background: var(--green-700); color: var(--white); }

.btn-outline {
  background: var(--white);
  color: var(--green-700);
  border: 2px solid var(--green-500);
}

.btn-fav.saved { background: var(--green-100); border-color: var(--green-300); }

.btn-block { width: 100%; margin-top: 14px; }

/* ---------- Formulario ---------- */
.form-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 16px;
}

.form-field { display: grid; gap: 6px; }

.form-field label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--green-900);
}

.form-field .optional { font-weight: 400; color: var(--ink-soft); }

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--green-100);
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--cream);
  outline: none;
  transition: border-color 0.2s;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { border-color: var(--green-500); background: var(--white); }

.form-field textarea { resize: vertical; min-height: 96px; }

.form-hint { font-size: 0.75rem; color: var(--ink-soft); }

/* ---------- Navegación inferior ---------- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 20;
  height: calc(var(--nav-height) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  display: flex;
  justify-content: space-around;
  align-items: center;
  background: var(--white);
  border-top: 1px solid var(--green-100);
  box-shadow: 0 -2px 12px rgba(31, 58, 40, 0.08);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 18px;
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 600;
}

.nav-item .nav-icon { font-size: 1.3rem; }

.nav-item.active { color: var(--green-700); background: var(--green-100); }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: calc(var(--nav-height) + 20px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--green-900);
  color: var(--white);
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: var(--shadow-lift);
  z-index: 30;
  animation: toast-in 0.25s ease;
  max-width: 90vw;
  text-align: center;
}

@keyframes toast-in {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* ---------- Calificación 1-10 por caso ---------- */
.rate-row {
  margin-top: 16px;
  text-align: left;
  border-top: 1px solid var(--green-100);
  padding-top: 14px;
}

.rate-row:first-of-type { border-top: none; padding-top: 0; }

.rate-row-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.rate-avg { font-size: 0.78rem; color: var(--ink-soft); font-weight: 600; }

.rate-scale {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 4px;
  margin-top: 10px;
}

.rate-btn {
  padding: 9px 0;
  border-radius: 8px;
  border: 1.5px solid var(--green-100);
  background: var(--white);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--ink-soft);
  transition: all 0.12s;
}

.rate-btn.filled {
  background: var(--green-100);
  border-color: var(--green-300);
  color: var(--green-700);
}

.rate-btn.selected {
  background: var(--green-700);
  border-color: var(--green-700);
  color: var(--white);
  transform: scale(1.08);
}

.rate-your { margin-top: 8px; font-size: 0.78rem; color: var(--ink-soft); }

/* ---------- Selección múltiple de categorías (formulario) ---------- */
.cat-choices { display: flex; flex-wrap: wrap; gap: 8px; }

.cat-choice input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.cat-choice span {
  display: inline-block;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--green-100);
  background: var(--cream);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.15s;
}

.cat-choice input:checked + span {
  background: var(--green-100);
  border-color: var(--green-500);
  color: var(--green-700);
}

.cat-choice input:focus-visible + span { outline: 2px solid var(--green-500); }

/* ---------- Autoría ---------- */
.author-line {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.author-line a { font-weight: 600; text-decoration: underline; }

/* ---------- Cuenta / Auth ---------- */
.auth-tabs { display: flex; gap: 8px; margin-bottom: 4px; }

.auth-tab {
  flex: 1;
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--green-100);
  background: var(--white);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--ink-soft);
  transition: all 0.15s;
}

.auth-tab.active {
  background: var(--green-700);
  border-color: var(--green-700);
  color: var(--white);
}

.user-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.user-stats { display: flex; gap: 18px; }

.user-stat {
  text-align: center;
  font-size: 0.75rem;
  color: var(--ink-soft);
  font-weight: 600;
}

.user-stat b {
  display: block;
  font-size: 1.25rem;
  color: var(--green-700);
}

/* ---------- Ranking de aportadores ---------- */
.rank-list { display: grid; gap: 8px; }

.rank-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  box-shadow: var(--shadow);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
}

.rank-item.rank-me { border: 1.5px solid var(--green-500); }

.rank-pos { font-weight: 800; color: var(--earth-500); min-width: 26px; }

.rank-points { margin-left: auto; font-weight: 700; color: var(--green-700); }

/* ---------- Pantallas medianas+ ---------- */
@media (min-width: 700px) {
  .category-grid { grid-template-columns: repeat(6, 1fr); }
  .view { padding: 24px; }
}