/* ============================================================================
   NUTRO — Sistema de diseño  ·  "Nocturno azul"
   Única fuente de verdad de la identidad visual. La app (src/) y los previews
   standalone (design-system/*.html) consumen ESTE archivo. Editar aquí (o desde
   Claude Design) cambia tanto los previews como la app en vivo.
   ============================================================================ */

@import url("https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400..600;1,9..144,400..500&family=Hanken+Grotesk:wght@400;500;600;700;800&display=swap");

:root {
  /* — Superficies / azul nocturno — */
  --c-paper: #0d1526;
  --c-raised: #16213a;
  --c-sunk: #0a101f;
  --c-line: #273349;
  --c-line-strong: #3a4965;

  /* — Tinta / texto — */
  --c-ink: #eaeff8;
  --c-ink-soft: #a6b1c8;
  --c-ink-faint: #6f7b94;

  /* — Verde hoja (primario / "disponible · cubierto") — */
  --c-leaf: #6dbf63;
  --c-leaf-bright: #8ad27e;
  --c-leaf-soft: #18301f;

  /* — Terracota / ámbar (acento · "falta · hace falta") — */
  --c-terracotta: #e8825a;
  --c-terracotta-soft: #36211a;
  --c-amber: #e6ad42;
  --c-clay: #c9925f;

  /* — Macros — */
  --c-protein: #6dbf63; /* proteína  → verde hoja  */
  --c-carbs: #e6ad42;   /* carbos    → ámbar        */
  --c-fat: #c9925f;     /* grasa     → arcilla      */

  /* — Radios — */
  --r-xs: 6px;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 30px;

  /* — Sombras (profundas, frías) — */
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.32), 0 6px 18px -10px rgba(0, 0, 0, 0.6);
  --shadow-raised: 0 2px 5px rgba(0, 0, 0, 0.36), 0 16px 34px -14px rgba(0, 0, 0, 0.66);
  --shadow-pop: 0 18px 48px -12px rgba(0, 0, 0, 0.78);

  /* — Tipografía — */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Hanken Grotesk", system-ui, -apple-system, sans-serif;
}

/* ----------------------------------------------------------------------------
   Base
   ---------------------------------------------------------------------------- */
.ds-scope,
body.ds-body {
  background-color: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--font-sans);
  font-feature-settings: "ss01";
  -webkit-font-smoothing: antialiased;
}

.ds-display {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  letter-spacing: -0.015em;
  line-height: 1.02;
}

.ds-num {
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.ds-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-ink-faint);
}

/* ----------------------------------------------------------------------------
   Tarjeta
   ---------------------------------------------------------------------------- */
.ds-card {
  background: var(--c-raised);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
}

.ds-card--flat {
  box-shadow: none;
}

.ds-card--sunk {
  background: color-mix(in srgb, var(--c-sunk) 60%, var(--c-raised));
}

/* ----------------------------------------------------------------------------
   Botón
   ---------------------------------------------------------------------------- */
.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  line-height: 1;
  padding: 11px 18px;
  border-radius: var(--r-sm);
  border: 1px solid var(--c-line);
  background: var(--c-raised);
  color: var(--c-ink);
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.18s ease, background 0.18s ease,
    border-color 0.18s ease, opacity 0.18s ease;
  text-decoration: none;
  white-space: nowrap;
}
.ds-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-card);
}
.ds-btn:active {
  transform: translateY(0);
}
.ds-btn:disabled,
.ds-btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.ds-btn--primary {
  background: var(--c-leaf);
  color: #0c1a10;
  border-color: var(--c-leaf);
}
.ds-btn--primary:hover {
  background: var(--c-leaf-bright);
  border-color: var(--c-leaf-bright);
}
.ds-btn--accent {
  background: var(--c-terracotta);
  color: #2a1108;
  border-color: var(--c-terracotta);
}
.ds-btn--ghost {
  background: transparent;
  border-color: transparent;
}
.ds-btn--ghost:hover {
  background: color-mix(in srgb, var(--c-sunk) 55%, transparent);
  box-shadow: none;
}
.ds-btn--sm {
  padding: 7px 12px;
  font-size: 13px;
}
.ds-btn--lg {
  padding: 14px 24px;
  font-size: 15px;
}

/* ----------------------------------------------------------------------------
   Chip / Tag
   ---------------------------------------------------------------------------- */
.ds-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--c-sunk);
  color: var(--c-ink-soft);
  border: 1px solid transparent;
}
.ds-chip--leaf {
  background: var(--c-leaf-soft);
  color: var(--c-leaf);
}
.ds-chip--missing {
  background: var(--c-terracotta-soft);
  color: var(--c-terracotta);
  border-color: color-mix(in srgb, var(--c-terracotta) 28%, transparent);
  border-style: dashed;
}
.ds-chip__dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: currentColor;
}

/* ----------------------------------------------------------------------------
   Punto de macro + leyenda
   ---------------------------------------------------------------------------- */
.ds-macro-dot {
  width: 9px;
  height: 9px;
  border-radius: 3px;
  display: inline-block;
}
.ds-macro-dot--protein { background: var(--c-protein); }
.ds-macro-dot--carbs { background: var(--c-carbs); }
.ds-macro-dot--fat { background: var(--c-fat); }

/* ----------------------------------------------------------------------------
   Barra de macro (progreso)
   ---------------------------------------------------------------------------- */
.ds-bar {
  --_val: 50%;
  --_color: var(--c-leaf);
  height: 9px;
  border-radius: 999px;
  background: var(--c-sunk);
  overflow: hidden;
  position: relative;
}
.ds-bar__fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--_val);
  background: var(--_color);
  border-radius: 999px;
  transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.ds-bar--over .ds-bar__fill {
  background: repeating-linear-gradient(
    -45deg,
    var(--c-terracotta),
    var(--c-terracotta) 6px,
    color-mix(in srgb, var(--c-terracotta) 75%, #fff) 6px,
    color-mix(in srgb, var(--c-terracotta) 75%, #fff) 12px
  );
}

/* ----------------------------------------------------------------------------
   Estado "falta" (alimento ausente para una dieta equilibrada)
   ---------------------------------------------------------------------------- */
.ds-missing {
  background: var(--c-terracotta-soft);
  border: 1.5px dashed color-mix(in srgb, var(--c-terracotta) 45%, transparent);
  color: var(--c-terracotta);
}