:root {
  /* Lienzo: piedra caliza tibia (sustituye al off-white anterior) */
  --bg-neutral: #F2EBDB;
  --text: #2A2823;
  --text-muted: #756E60;

  /* Lado FRESCO: acequia y huerta (verde oliva apagado) */
  --fresh-bg:           #B7C5AC;
  --fresh-bg-vivid:     #A4B594;
  --fresh-accent:       #5C7150;
  --fresh-accent-strong:#3F5236;
  --fresh-soft:         #D1D9C4;

  /* Lado CALOR: adobe asoleado (arcilla y barro cocido) */
  --hot-bg:           #E0B999;
  --hot-bg-vivid:     #D1A37D;
  --hot-accent:       #A66243;
  --hot-accent-strong:#7E4A30;
  --hot-soft:         #EDD2BB;

  /* Botón principal: verde higuera sólido cuando activo */
  --primary-active-bg:    #3F5236;
  --primary-active-hover: #2D3E26;
  --primary-active-text:  #F2EBDB;
  --primary-disabled-bg:    #DBD3C2;
  --primary-disabled-text:  #A8A08E;

  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-pill: 100px;

  --shadow-sm: 0 1px 2px rgba(60, 50, 30, 0.04);
  --shadow-md: 0 8px 24px rgba(40, 40, 30, 0.08);

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", system-ui, -apple-system, sans-serif;

  --ease: cubic-bezier(.4, 0, .2, 1);
}

* {
  box-sizing: border-box;
}

/* El atributo [hidden] debe ganar siempre, incluso sobre display:flex */
[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg-neutral);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* === DESKTOP: la página entera se parte verticalmente en dos mundos === */
@media (min-width: 721px) {
  body {
    background: linear-gradient(
      to right,
      var(--fresh-bg) 0,
      var(--fresh-bg) 50%,
      var(--hot-bg) 50%,
      var(--hot-bg) 100%
    );
  }
}

/* ===== Hero (sobre el split) ============================================ */
.hero {
  text-align: center;
  padding: 56px 24px 32px;
  max-width: 880px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.95rem, 3.6vw + 0.8rem, 2.9rem);
  letter-spacing: -0.015em;
  line-height: 1.08;
  margin: 0 0 14px;
  color: var(--text);
}

.subtitle {
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.55;
  max-width: 46ch;
}

/* ===== Duo (los dos mundos, full-bleed) ================================= */
.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  /* sin gap: los dos mundos se tocan en el centro */
}

.slot {
  position: relative;
  padding: 40px 32px 36px;
  min-height: 560px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background 400ms var(--ease);
}

/* Cada lado tiene su propio fondo. En desktop coincide con el body, en
   móvil es lo que crea la división al apilar. Al rellenarse, gana intensidad. */
.slot--fresh {
  background: var(--fresh-bg);
  --side-bg-vivid:      var(--fresh-bg-vivid);
  --side-accent:        var(--fresh-accent);
  --side-accent-strong: var(--fresh-accent-strong);
  --side-soft:          var(--fresh-soft);
}

.slot--hot {
  background: var(--hot-bg);
  --side-bg-vivid:      var(--hot-bg-vivid);
  --side-accent:        var(--hot-accent);
  --side-accent-strong: var(--hot-accent-strong);
  --side-soft:          var(--hot-soft);
}

.slot.is-filled {
  background: var(--side-bg-vivid);
}

/* ===== Chip VS entre los dos mundos ===================================== */
.vs {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #F2EBDB;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--text);
  letter-spacing: 0.02em;
  z-index: 3;
  box-shadow: 0 8px 24px rgba(40, 40, 30, 0.14),
              0 0 0 6px rgba(242, 235, 219, 0.4);
}

/* ===== Cabecera de cada lado ============================================ */
.slot-header {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  column-gap: 14px;
  text-align: left;
  max-width: 460px;
}

.slot-emoji {
  font-size: clamp(28px, 5.5vw, 36px);
  line-height: 1;
  display: inline-block;
}

.slot-header-text {
  min-width: 0;
}

.slot-heading {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.2rem, 3.4vw, 1.5rem);
  line-height: 1.2;
  margin: 0 0 2px;
  color: var(--text);
}

.slot-sub {
  margin: 0;
  font-size: clamp(0.88rem, 2.4vw, 0.95rem);
  line-height: 1.35;
  color: var(--side-accent-strong);
  opacity: 0.85;
}

/* ===== Caja interior de carga (estado vacío) ============================ */
.slot-empty {
  flex: 1;
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 36px 24px;
  text-align: center;
  cursor: pointer;
  background: rgba(242, 235, 219, 0.55);
  border: 2px dashed rgba(242, 235, 219, 0.95);
  border-radius: var(--radius-xl);
  transition: transform 240ms var(--ease),
              background 240ms var(--ease),
              box-shadow 240ms var(--ease),
              border-color 240ms var(--ease);
}

.slot-empty:hover,
.slot-empty:focus-within {
  transform: translateY(-2px);
  background: rgba(242, 235, 219, 0.9);
  border-color: #F2EBDB;
  box-shadow: 0 8px 22px rgba(40, 40, 30, 0.08);
}

.slot-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.slot-plus {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #F8F3E5;
  color: var(--side-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  font-weight: 300;
  line-height: 1;
  box-shadow: var(--shadow-sm);
  transition: transform 240ms var(--ease);
}

.slot-empty:hover .slot-plus {
  transform: scale(1.06);
}

.slot-cta {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text);
  margin-top: 4px;
}

.slot-hint {
  font-size: 0.88rem;
  color: var(--side-accent-strong);
  opacity: 0.8;
}

/* ===== Estado lleno ===================================================== */
.slot-filled {
  flex: 1;
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
  animation: fadeInUp 320ms var(--ease);
}

.slot-preview {
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 280px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.5);
  display: block;
}

.slot-meta-row {
  padding: 0 4px;
  min-width: 0;
  font-size: clamp(0.7rem, 2.1vw, 0.78rem);
  color: var(--side-accent-strong);
  opacity: 0.6;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
  letter-spacing: 0.005em;
}

.slot-meta-row .slot-filename,
.slot-meta-row .slot-meta {
  display: inline;
  margin: 0;
  font-size: inherit;
  font-weight: 500;
  color: inherit;
}

.slot-meta-row .slot-filename::after {
  content: " · ";
  opacity: 0.6;
}

.slot-meta-row .slot-filename:empty,
.slot-meta-row .slot-filename:empty::after {
  display: none;
}

/* El pin del GPS debe sentirse metadato, no contenido */
.slot-meta .has-gps {
  font-weight: 500;
}

.slot-meta-row {
  /* Apaga ligeramente cualquier emoji (📍) sin desaturarlo del todo */
  -webkit-font-smoothing: antialiased;
}

.slot-meta .has-gps::first-letter {
  /* El primer carácter es 📍 — lo bajamos un puntito */
  font-size: 0.92em;
}

.slot-change {
  align-self: flex-start;
  margin-top: 2px;
  min-height: 32px;
  background: rgba(248, 243, 229, 0.7);
  color: var(--side-accent-strong);
  border: none;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: clamp(0.78rem, 2.4vw, 0.88rem);
  font-weight: 500;
  cursor: pointer;
  transition: background 220ms var(--ease),
              transform 120ms var(--ease);
}

.slot-change:hover {
  background: #F8F3E5;
  transform: translateY(-1px);
}

.slot-change:active {
  transform: translateY(0);
}

/* ===== Overlay "Procesando…" ============================================ */
.slot-loading {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.95rem;
  z-index: 2;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0, 0, 0, 0.08);
  border-top-color: var(--side-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Fade suave del contenido al reiniciar tras subida correcta */
.slot.is-resetting .slot-filled {
  opacity: 0;
  transition: opacity 280ms var(--ease);
}

/* ===== Bottom (botón + nota + status) =================================== */
.bottom {
  max-width: 640px;
  margin: 0 auto;
  padding: 44px 24px 56px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  z-index: 1;
}

.primary-btn {
  width: 100%;
  min-height: 60px;
  padding: 18px 24px;
  border: none;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  /* Estado activo: verde higuera sólido, sin gradiente azucarado */
  background: var(--primary-active-bg);
  color: var(--primary-active-text);
  box-shadow: 0 6px 18px rgba(63, 82, 54, 0.22);
  /* Inline-flex para alojar spinner + etiqueta centrados */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background 280ms var(--ease),
              color 280ms var(--ease),
              transform 120ms var(--ease),
              box-shadow 280ms var(--ease),
              opacity 280ms var(--ease);
}

.primary-btn:hover:not(:disabled) {
  background: var(--primary-active-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(63, 82, 54, 0.28);
}

/* Spinner integrado en el botón durante la subida */
.btn-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(242, 235, 219, 0.35);
  border-top-color: var(--primary-active-text);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.primary-btn.is-loading .btn-spinner {
  display: inline-block;
}

/* En estado "loading" o "success" el botón sigue mostrando el color
   verde higuera aunque esté disabled (no debe verse apagado). */
.primary-btn.is-loading:disabled,
.primary-btn.is-success:disabled {
  background: var(--primary-active-bg);
  color: var(--primary-active-text);
  box-shadow: 0 6px 18px rgba(63, 82, 54, 0.22);
  opacity: 0.95;
  cursor: default;
}

.primary-btn:active:not(:disabled) {
  transform: translateY(0);
}

.primary-btn:disabled {
  background: var(--primary-disabled-bg);
  color: var(--primary-disabled-text);
  cursor: not-allowed;
  box-shadow: none;
}

/* ===== Nota inferior ==================================================== */
.footer-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0 auto;
}

/* ===== Toast flotante de feedback ======================================= */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  opacity: 0;
  pointer-events: none;
  z-index: 10;

  max-width: calc(100vw - 32px);
  padding: 14px 24px;
  border-radius: 999px;

  font-family: var(--font-body);
  font-size: 0.96rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.005em;
  text-align: center;

  background: #F8F3E5;
  color: var(--text);

  box-shadow: 0 8px 30px rgba(40, 40, 30, 0.10),
              0 2px 8px rgba(40, 40, 30, 0.06);

  transition: opacity 280ms var(--ease),
              transform 280ms var(--ease);
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.toast--success {
  background: var(--fresh-soft);
  color: var(--fresh-accent-strong);
}

.toast--info {
  background: #F8F3E5;
  color: var(--text);
  font-weight: 500;
}

.toast--error {
  background: var(--hot-soft);
  color: var(--hot-accent-strong);
}

@media (max-width: 720px) {
  .toast {
    bottom: 18px;
    padding: 13px 20px;
    font-size: 0.92rem;
  }
}

/* ===== Móvil: apilamos los dos mundos =================================== */
@media (max-width: 720px) {
  .hero {
    padding: 22px 20px 16px;
  }

  .hero h1 {
    margin-bottom: 8px;
  }

  /* El chip VS solo tiene sentido en la división vertical de escritorio */
  .vs {
    display: none;
  }

  .duo {
    grid-template-columns: 1fr;
  }

  .slot {
    min-height: auto;
    padding: 24px 20px 22px;
  }

  .slot-plus {
    width: 56px;
    height: 56px;
    font-size: 30px;
  }

  .slot-empty {
    margin-top: 16px;
    padding: 28px 20px;
  }

  .slot-filled {
    margin-top: 16px;
  }

  /* La foto confirma, no protagoniza */
  .slot-preview {
    max-height: 240px;
    aspect-ratio: 4 / 3;
  }

  .bottom {
    padding: 28px 20px 40px;
    gap: 14px;
  }

  .primary-btn {
    min-height: 56px;
    font-size: 1rem;
  }
}