:root {
  /* Colores Fijos Bauhaus */
  --c-red: #D02020;
  --c-blue: #1040C0;
  --c-yellow: #F0C020;
  --border-width: 3px;
  --shadow-offset: 6px;
}

/* TEMA CLARO (Default) */
:root, [data-theme="light"] {
  --bg-canvas: #F0F0F0;
  --bg-card: #ffffff;
  --c-black: #121212;
  --c-text: #121212;
  --c-inv-text: #ffffff; /* Texto sobre fondo "negro" */
  --c-dot: rgba(0,0,0,0.1);
  --shadow-color: #121212;
}

/* TEMA OSCURO */
[data-theme="dark"] {
  --bg-canvas: #0A0A0A; /* Negro más profundo */
  --bg-card: #1A1A1A;   /* Gris muy oscuro */
  --c-black: #F0F0F0;   /* Los bordes y acentos ahora son claros */
  --c-text: #F0F0F0;    /* El texto general es claro */
  --c-inv-text: #121212; /* El texto sobre fondo "claro" debe ser negro */
  --c-dot: rgba(255,255,255,0.05);
  --shadow-color: #000000;
  --c-yellow: #FFD700;
  --c-red: #FF4D4D;      /* Un rojo más brillante para el modo oscuro */
}

@media (min-width: 768px) {
  :root {
    --border-width: 4px;
    --shadow-offset: 8px;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-canvas);
  color: var(--c-text);
  line-height: 1.4;
  overflow-x: hidden;
  /* Bauhaus Pattern dinámico */
  background-image: radial-gradient(var(--c-dot) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
  background-position: 0 0;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography */
h1, h2, h3, label {
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.05em;
  line-height: 0.9;
  margin: 0;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.5rem; margin-bottom: 8px; }

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background-color: var(--bg-card);
  border-bottom: var(--border-width) solid var(--c-black);
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0px var(--shadow-offset) 0px 0px var(--shadow-color);
  margin-bottom: var(--shadow-offset);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-shapes {
  display: flex;
  position: relative;
  width: 40px;
  height: 24px;
}

.logo-shape {
  width: 20px;
  height: 20px;
  border: 2px solid var(--c-black);
  position: absolute;
  top: 2px;
}
.logo-shape.circle { border-radius: 9999px; left: 0; z-index: 3; }
.logo-shape.square { left: 10px; z-index: 2; border-radius: 0; }
.logo-shape.triangle {
  left: 20px; z-index: 1; border-radius: 0; border: none;
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  width: 24px; height: 24px; top: 0;
}

.bg-red { background-color: var(--c-red) !important; color: white; }
.bg-blue { background-color: var(--c-blue) !important; color: white; }
/* Amarillo: el texto SIEMPRE negro, incluso en dark mode */
.bg-yellow { background-color: var(--c-yellow) !important; color: #121212 !important; }

/* Actions */
.header-actions {
  display: flex;
  gap: 12px;
}

.icon-btn {
  width: 48px;
  height: 48px;
  border: var(--border-width) solid var(--c-black);
  box-shadow: 4px 4px 0px 0px var(--shadow-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.1s ease-out, box-shadow 0.1s ease-out;
  border-radius: 0;
}

.icon-btn:active {
  transform: translate(4px, 4px);
  box-shadow: 0px 0px 0px 0px var(--shadow-color);
}

/* Container */
.view {
  display: none;
  padding: 32px 24px;
  max-width: 800px;
  margin: 0 auto;
}
.view.active { 
  display: block; 
  animation: fadeIn 0.2s ease-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.is-today {
  border-left: 8px solid var(--c-red) !important;
}
.is-today .day-name {
  color: var(--c-red);
}

/* Day Card */
.day-card {
  background-color: var(--bg-card);
  border: var(--border-width) solid var(--c-black);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0px 0px var(--shadow-color);
  padding: 24px;
  margin-bottom: 32px;
  position: relative;
  transition: transform 0.2s ease-out;
  border-radius: 0;
}
.day-card:hover {
  transform: translateY(-4px);
}

/* Decorators inside cards via JS */
.card-deco {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 24px;
  height: 24px;
  border: 2px solid var(--c-black);
}

/* Day Header & Accordion */
.day-header {
  border-bottom: var(--border-width) solid var(--c-black);
  padding-bottom: 8px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}
.accordion-toggle {
  cursor: pointer;
  user-select: none;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
}
.accordion-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid var(--c-black);
  border-radius: 9999px;
  background-color: var(--c-yellow);
  color: #121212 !important; /* SVG stroke hereda este color en dark mode */
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 2px 2px 0 0 var(--shadow-color);
  flex-shrink: 0;
}
.accordion-icon.collapsed {
  transform: rotate(-90deg);
}
.meal-cards-wrapper {
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}
.meal-cards-wrapper.collapsed {
  max-height: 0;
  opacity: 0;
  pointer-events: none;
}
.meal-cards-wrapper.expanded {
  max-height: 2500px;
  opacity: 1;
  pointer-events: auto;
}
.day-name {
  font-weight: 900;
  font-size: 2.5rem;
  text-transform: uppercase;
  letter-spacing: -0.05em;
  color: var(--c-text);
}
.day-date {
  font-weight: 700;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-text);
  margin-top: 4px;
}

/* Meals */
.meal-type-title {
  font-weight: 900;
  font-size: 1.6rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: var(--c-black);
  color: var(--c-inv-text);
  padding: 8px 12px;
  width: fit-content;
}

.meal-items {
  display: flex; flex-direction: column; gap: 12px;
}

.meal-item-container {
  border: var(--border-width) solid var(--c-black);
  position: relative;
  background-color: var(--c-red); /* Swipe to delete */
  overflow: hidden;
  box-shadow: 4px 4px 0px 0px var(--c-black);
}

.meal-item-bg {
  position: absolute;
  top: 0; right: 0; bottom: 0; width: 100%;
  display: flex; align-items: center; justify-content: flex-end;
  padding-right: 20px;
  color: white;
}

.meal-item-surface {
  background-color: var(--bg-card);
  padding: 16px;
  font-weight: 700;
  font-size: 1.3rem;
  border-right: var(--border-width) solid var(--c-black); 
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  transition: transform 0.2s ease-out;
  text-transform: uppercase;
}
.meal-item-surface.swiping { transition: none; }

.meal-item-surface::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  background-color: var(--c-yellow);
  border: 2px solid var(--c-black);
  margin-right: 16px;
  border-radius: 9999px;
}

.meal-text { flex-grow: 1; }

.no-meals {
  font-weight: 700;
  font-size: 1.2rem;
  text-transform: uppercase;
  padding: 16px;
  border: 3px dashed var(--c-black);
  text-align: center;
  transition: all 0.2s ease;
  background-color: transparent;
  color: var(--c-text);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.no-meals-tap {
  cursor: pointer;
}

.no-meals-tap:hover {
  background-color: var(--c-yellow);
  color: #121212;
  border-style: solid;
  transform: translateY(-2px);
  box-shadow: 4px 4px 0px 0px var(--shadow-color);
}

.no-meals-tap:active {
  transform: translate(2px, 2px);
  box-shadow: 0px 0px 0px 0px var(--shadow-color);
}

.no-meals-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background-color: var(--c-black);
  color: var(--c-inv-text);
  border-radius: 50%;
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1;
}

.no-meals-tap:hover .no-meals-icon {
  background-color: #121212;
  color: var(--c-yellow);
}

.btn-delete {
  background: none; border: none; cursor: pointer; margin-left: auto;
  color: var(--c-black);
}

/* FAB */
.fab {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 72px; height: 72px;
  border: var(--border-width) solid var(--c-black);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0px 0px var(--c-black);
  border-radius: 9999px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  z-index: 20;
  transition: transform 0.1s ease-out, box-shadow 0.1s ease-out;
}
.fab:active {
  transform: translate(var(--shadow-offset), var(--shadow-offset));
  box-shadow: 0px 0px 0px 0px var(--c-black);
}

/* Settings / Add */
.add-container {
  background-color: var(--bg-card);
  border: var(--border-width) solid var(--c-black);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0px 0px var(--c-black);
  padding: 32px 24px;
}

.relative { position: relative; }

.header-back {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  border-bottom: var(--border-width) solid var(--c-black);
  padding-bottom: 16px;
}

.form-group { margin-bottom: 32px; }

label {
  font-size: 1.3rem;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

input[type="text"], input[type="date"] {
  width: 100%;
  padding: 16px;
  font-size: 1.3rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  border: var(--border-width) solid var(--c-black);
  box-shadow: 4px 4px 0px 0px var(--c-black);
  background-color: var(--bg-card);
  color: var(--c-text);
  text-transform: uppercase;
}
input::placeholder {
  color: rgba(150, 150, 150, 0.5);
}
[data-theme="dark"] input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}
input:focus {
  outline: none;
  background-color: var(--c-yellow);
}

/* Radio Group */
.radio-group { display: flex; gap: 16px; }
.radio-group input { display: none; }
.radio-btn {
  flex: 1;
  text-align: center;
  padding: 16px;
  font-weight: 900;
  font-size: 1.3rem;
  border: var(--border-width) solid var(--c-black);
  box-shadow: 4px 4px 0px 0px var(--c-black);
  cursor: pointer;
  background-color: var(--bg-card);
  transition: all 0.1s ease-out;
}
.radio-group input:checked + .radio-btn {
  background-color: var(--c-blue);
  color: white;
  transform: translate(4px, 4px);
  box-shadow: 0px 0px 0px 0px var(--c-black);
}

/* Primary Button */
.btn-primary {
  width: 100%;
  padding: 24px;
  background-color: var(--c-red);
  color: white;
  border: var(--border-width) solid var(--c-black);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0px 0px var(--c-black);
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  margin-top: 16px;
  transition: transform 0.1s ease-out, box-shadow 0.1s ease-out;
}
.btn-primary:active {
  transform: translate(var(--shadow-offset), var(--shadow-offset));
  box-shadow: 0px 0px 0px 0px var(--c-black);
}

/* Secondary Button */
.btn-secondary {
  width: 100%;
  padding: 18px;
  background-color: var(--c-yellow);
  /* Texto siempre negro sobre amarillo por defecto */
  color: #121212;
  border: var(--border-width) solid #121212;
  box-shadow: 4px 4px 0px 0px #121212;
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: transform 0.1s ease-out, box-shadow 0.1s ease-out;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.btn-secondary:active {
  transform: translate(4px, 4px);
  box-shadow: 0px 0px 0px 0px #121212;
}

/* Botones de peligro específicos */
.btn-danger {
  background-color: var(--bg-canvas) !important;
  color: var(--c-red) !important;
  border-color: var(--c-red) !important;
  box-shadow: 4px 4px 0px 0px var(--c-red) !important;
  text-shadow: none !important;
}
.btn-danger:active {
  box-shadow: 0px 0px 0px 0px var(--c-red) !important;
}

.settings-desc {
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 24px;
  border-left: 4px solid var(--c-black);
  padding-left: 12px;
}

/* Suggestions */
.suggestions-container {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}
.suggestion-btn {
  border: var(--border-width) solid var(--c-black);
  background-color: var(--bg-card);
  color: var(--c-text);
  padding: 8px 16px;
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 1.1rem;
  text-transform: uppercase;
  box-shadow: 3px 3px 0px 0px var(--c-black);
  cursor: pointer;
  transition: transform 0.1s ease-out, box-shadow 0.1s ease-out;
  border-radius: 9999px; /* Pill shape for variety */
}
.suggestion-btn:active {
  transform: translate(3px, 3px);
  box-shadow: 0px 0px 0px 0px var(--c-black);
}

/* Bauhaus Decorators */
.deco-circle {
  position: absolute; top: -16px; right: -16px;
  width: 32px; height: 32px; border-radius: 9999px;
  background-color: var(--c-yellow); border: var(--border-width) solid var(--c-black);
}
.deco-square {
  position: absolute; bottom: -16px; left: -16px;
  width: 32px; height: 32px;
  background-color: var(--c-blue); border: var(--border-width) solid var(--c-black);
}
.deco-triangle {
  position: absolute; top: -16px; right: -16px;
  width: 32px; height: 32px;
  background-color: var(--c-red); 
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}

/* Accessibility */
html.font-large { font-size: 18px; }
html.font-xlarge { font-size: 20px; }

.btn-font {
  flex: 1; padding: 12px;
  background: var(--bg-card);
  /* En dark mode el fondo es oscuro (#1A1A1A), necesitamos texto claro explícito */
  color: var(--c-text);
  font-weight: 900;
  border: var(--border-width) solid var(--c-black);
  cursor: pointer;
  box-shadow: 4px 4px 0px 0px var(--c-black);
  transition: all 0.1s;
  font-family: 'Outfit', sans-serif;
}
.btn-font.active-font {
  background: var(--c-blue);
  color: white !important;
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 0 var(--c-black);
}

/* History List */
.history-list {
  display: flex; flex-direction: column; gap: 8px;
}
.history-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px;
  border: var(--border-width) solid var(--c-black);
  background-color: var(--bg-card);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.1rem;
}
.history-item button {
  background: var(--c-red); border: 2px solid var(--c-black);
  color: white; width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}

/* Modal Compartir */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}
.modal-content {
  background: var(--bg-card);
  border: var(--border-width) solid var(--c-black);
  box-shadow: 8px 8px 0px 0px var(--c-black);
  padding: 32px 24px;
  width: 100%;
  max-width: 400px;
  position: relative;
  animation: popIn 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes popIn {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.8rem; }
  .view { padding: 24px 16px; }
  .day-name { font-size: 2rem; }
  .meal-type-title { font-size: 1.3rem; }
  .meal-item-surface { font-size: 1.1rem; padding: 12px; }
  .btn-primary { font-size: 1.4rem; padding: 16px; }
}

#qrcode img {
  background: transparent !important;
}

@media print {
  body {
    background: white;
    background-image: none;
  }
  header, #fab-add, .view:not(#view-main), .btn-delete {
    display: none !important;
  }
  #view-main {
    display: block !important;
    padding: 0;
  }
  .day-card {
    border: 3px solid black;
    box-shadow: none !important;
    break-inside: avoid;
    margin-bottom: 24px;
    padding: 16px;
  }
  .meal-item-bg {
    display: none !important;
  }
  .meal-item-container {
    border: 2px solid black;
    box-shadow: none !important;
    background: white;
  }
  .meal-item-surface {
    border: none;
    padding: 12px;
  }
  .meal-item-surface::before {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}