/* ==========================================================================
   ESTILOS CONTROL DIETÉTICO — ESTÉTICA HORARIO TERMINAL / CYBERPUNK
   ========================================================================== */

:root {
  --bg-main: #070b14;
  --bg-card: #0b1222;
  --bg-card-hover: #0f1a30;
  --border-dim: #1e293b;
  --border-bright: #334155;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Paleta por comidas (Inspirada en el horario de referencia) */
  --c-desayuno: #d97706;
  --c-desayuno-bg: rgba(217, 119, 6, 0.09);
  --c-desayuno-badge: #f59e0b;

  --c-mediamanana: #0284c7;
  --c-mediamanana-bg: rgba(2, 132, 199, 0.09);
  --c-mediamanana-badge: #38bdf8;

  --c-comida: #059669;
  --c-comida-bg: rgba(5, 150, 105, 0.11);
  --c-comida-badge: #34d399;

  --c-merienda: #ea580c;
  --c-merienda-bg: rgba(234, 88, 12, 0.09);
  --c-merienda-badge: #fb923c;

  --c-cena: #7c3aed;
  --c-cena-bg: rgba(124, 58, 237, 0.11);
  --c-cena-badge: #a78bfa;

  --c-notas: #475569;
  --c-notas-bg: rgba(71, 85, 105, 0.1);
  --c-notas-badge: #cbd5e1;

  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  background-color: var(--bg-main);
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

.hidden {
  display: none !important;
}

/* ==========================================================================
   VISTA DE AUTENTICACIÓN (LOGIN / PIN)
   ========================================================================== */

.auth-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-main);
  background-image: radial-gradient(rgba(56, 189, 248, 0.08) 1px, transparent 1px);
  background-size: 20px 20px;
  z-index: 100;
  padding: 16px;
}

.auth-card {
  background: #090e1a;
  border: 1px solid var(--border-bright);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.8), 0 0 20px rgba(56, 189, 248, 0.05);
  border-radius: 8px;
  width: 100%;
  max-width: 400px;
  padding: 32px 24px;
  text-align: center;
}

.terminal-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 2px;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.auth-title {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: #f8fafc;
  margin-bottom: 6px;
}

.auth-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
  text-align: left;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 1px;
}

.tech-input {
  width: 100%;
  background: #040711;
  border: 1px solid var(--border-bright);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 1rem;
  padding: 10px 14px;
  border-radius: 4px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.tech-input:focus {
  border-color: #38bdf8;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
}

.text-center {
  text-align: center;
  letter-spacing: 6px;
  font-size: 1.3rem;
}

.tech-btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 10px 18px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
}

.tech-btn-primary {
  width: 100%;
  background: #0284c7;
  color: #fff;
  border-color: #38bdf8;
}
.tech-btn-primary:hover {
  background: #0369a1;
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.4);
}

.tech-btn-success {
  width: 100%;
  background: #059669;
  color: #fff;
  border-color: #34d399;
}
.tech-btn-success:hover {
  background: #047857;
  box-shadow: 0 0 15px rgba(52, 211, 153, 0.4);
}

.tech-btn-accent {
  background: rgba(16, 185, 129, 0.15);
  border-color: #10b981;
  color: #34d399;
}
.tech-btn-accent:hover {
  background: #10b981;
  color: #fff;
}

.tech-btn-secondary {
  background: #0f172a;
  border-color: var(--border-bright);
  color: var(--text-secondary);
}
.tech-btn-secondary:hover {
  background: #1e293b;
  color: #fff;
}

.tech-btn-danger {
  background: rgba(239, 68, 68, 0.15);
  border-color: #ef4444;
  color: #fca5a5;
}
.tech-btn-danger:hover {
  background: #ef4444;
  color: #fff;
}

.tech-btn-warning {
  background: rgba(245, 158, 11, 0.15);
  border-color: #f59e0b;
  color: #fcd34d;
}
.tech-btn-warning:hover {
  background: #f59e0b;
  color: #000;
}

.tech-btn-sm {
  padding: 6px 12px;
  font-size: 0.75rem;
}

.user-display {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  padding: 6px 12px;
  background: #040711;
  border-radius: 4px;
  display: inline-block;
}

.text-link {
  background: none;
  border: none;
  color: #38bdf8;
  cursor: pointer;
  font-family: var(--font-mono);
  margin-left: 6px;
}

.pin-display-container {
  margin: 16px 0;
}

.pin-dots {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 12px 0 16px;
}

.pin-dots .dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid #38bdf8;
  background: transparent;
  transition: background-color 0.15s, transform 0.15s;
}

.pin-dots .dot.filled {
  background: #38bdf8;
  box-shadow: 0 0 10px #38bdf8;
  transform: scale(1.1);
}

.visually-hidden {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

/* Teclado numérico táctil */
.keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  max-width: 280px;
  margin: 0 auto;
}

.key-btn {
  background: #0f172a;
  border: 1px solid var(--border-bright);
  color: #f8fafc;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  padding: 14px 0;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.1s, transform 0.1s;
  user-select: none;
}

.key-btn:active {
  background: #0284c7;
  transform: scale(0.96);
}

.key-action {
  font-size: 1rem;
  color: #94a3b8;
  background: #080d1a;
}

/* Caja de advertencia graciosa obligatoria */
.warning-box {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid #f59e0b;
  border-radius: 6px;
  padding: 12px;
  margin: 16px 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
}

.warning-icon {
  font-size: 1.5rem;
}

.warning-text {
  font-size: 0.85rem;
  color: #fef08a;
  font-weight: 500;
  line-height: 1.3;
}

.error-msg {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid #ef4444;
  color: #fca5a5;
  font-size: 0.8rem;
  padding: 8px;
  border-radius: 4px;
  margin-top: 14px;
  font-family: var(--font-mono);
}

/* ==========================================================================
   VISTA PRINCIPAL (HEADER Y CONTROL BAR)
   ========================================================================== */

.main-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: #070c18;
  border-bottom: 1px solid var(--border-dim);
  flex-wrap: wrap;
  gap: 16px;
}

.header-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: #06b6d4;
  margin-bottom: 4px;
}

.header-title {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 1px;
}

.header-subtitle {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.header-stats {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.stat-pill {
  display: flex;
  flex-direction: column;
  background: #0b1222;
  border: 1px solid var(--border-bright);
  padding: 4px 12px;
  border-radius: 4px;
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.stat-val {
  font-size: 0.85rem;
  font-weight: 700;
  color: #10b981;
}

.user-val {
  color: #38bdf8;
}

.control-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: rgba(11, 18, 34, 0.7);
  border-bottom: 1px solid var(--border-dim);
  backdrop-filter: blur(8px);
  flex-wrap: wrap;
  gap: 12px;
}

.week-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tech-btn-nav {
  background: #0c1527;
  border: 1px solid var(--border-bright);
  color: #38bdf8;
  padding: 8px 14px;
}
.tech-btn-nav:hover {
  background: #0284c7;
  color: #fff;
}

.tech-select {
  background: #050814;
  border: 1px solid var(--border-bright);
  color: #f8fafc;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 8px 12px;
  border-radius: 4px;
  outline: none;
}

.action-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Tabs para móvil */
.mobile-day-tabs {
  display: none;
  overflow-x: auto;
  padding: 8px 16px;
  background: #080e1c;
  border-bottom: 1px solid var(--border-dim);
  gap: 8px;
}

.day-tab {
  background: #0f1a30;
  border: 1px solid var(--border-dim);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}

.day-tab.active {
  background: #0284c7;
  border-color: #38bdf8;
  color: #fff;
  font-weight: 700;
}

.day-tab-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #64748b;
}

.day-tab.completed .day-tab-dot {
  background: #10b981;
  box-shadow: 0 0 6px #10b981;
}

/* ==========================================================================
   GRID DEL HORARIO DE DIETAS (7 COLUMNAS ESTILO HORARIO UNIVERSITARIO)
   ========================================================================== */

.schedule-container {
  flex: 1;
  padding: 20px 24px;
  overflow-x: auto;
}

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(220px, 1fr));
  gap: 14px;
  align-items: start;
}

/* Columna de Día */
.day-column {
  background: var(--bg-card);
  border: 1px solid var(--border-bright);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  user-select: none;
}

.day-column.dragging {
  opacity: 0.4;
  border: 1px dashed #38bdf8;
}

.day-column.drag-over {
  border-color: #38bdf8;
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.3);
  transform: translateY(-2px);
}

.day-column.is-completed {
  border-color: rgba(16, 185, 129, 0.5);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.08);
}

/* Cabecera de Columna */
.day-header {
  padding: 12px 14px;
  background: #080f20;
  border-bottom: 1px solid var(--border-dim);
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  cursor: grab;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.day-header:active {
  cursor: grabbing;
}

.day-header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drag-handle {
  color: var(--text-muted);
  font-size: 1rem;
  letter-spacing: -2px;
}

.day-title {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: #f8fafc;
}

/* Badge / Botón de Check de Día */
.day-check-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
  background: rgba(100, 116, 139, 0.15);
  border: 1px solid var(--border-bright);
  color: var(--text-secondary);
  transition: all 0.2s;
}

.day-check-btn:hover {
  background: rgba(16, 185, 129, 0.15);
  border-color: #10b981;
  color: #34d399;
}

.day-check-btn.checked {
  background: rgba(16, 185, 129, 0.2);
  border-color: #10b981;
  color: #34d399;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
}

/* Lista de Tarjetas de Comida dentro de cada día */
.day-meals {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Tarjeta de comida individual (Inspirada en las tarjetas del horario) */
.meal-card {
  border-radius: 5px;
  border: 1px solid var(--border-dim);
  padding: 10px;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.meal-card:hover {
  transform: translateY(-1px);
}

.meal-badge-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.meal-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid transparent;
}

.meal-content {
  font-size: 0.82rem;
  line-height: 1.35;
  color: #e2e8f0;
  white-space: pre-wrap;
  word-break: break-word;
}

.meal-textarea {
  width: 100%;
  background: #040711;
  border: 1px solid var(--border-bright);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  padding: 6px;
  border-radius: 3px;
  resize: vertical;
  min-height: 60px;
}

/* Colores específicos de tarjetas (Exactos al horario) */
.meal-card.DESAYUNO {
  border-color: var(--c-desayuno);
  background: var(--c-desayuno-bg);
}
.meal-card.DESAYUNO .meal-badge {
  background: rgba(217, 119, 6, 0.2);
  border-color: var(--c-desayuno);
  color: var(--c-desayuno-badge);
}

.meal-card.MEDIA_MANANA {
  border-color: var(--c-mediamanana);
  background: var(--c-mediamanana-bg);
}
.meal-card.MEDIA_MANANA .meal-badge {
  background: rgba(2, 132, 199, 0.2);
  border-color: var(--c-mediamanana);
  color: var(--c-mediamanana-badge);
}

.meal-card.COMIDA {
  border-color: var(--c-comida);
  background: var(--c-comida-bg);
}
.meal-card.COMIDA .meal-badge {
  background: rgba(5, 150, 105, 0.2);
  border-color: var(--c-comida);
  color: var(--c-comida-badge);
}

.meal-card.MERIENDA {
  border-color: var(--c-merienda);
  background: var(--c-merienda-bg);
}
.meal-card.MERIENDA .meal-badge {
  background: rgba(234, 88, 12, 0.2);
  border-color: var(--c-merienda);
  color: var(--c-merienda-badge);
}

.meal-card.CENA {
  border-color: var(--c-cena);
  background: var(--c-cena-bg);
}
.meal-card.CENA .meal-badge {
  background: rgba(124, 58, 237, 0.2);
  border-color: var(--c-cena);
  color: var(--c-cena-badge);
}

.meal-card.NOTAS {
  border-color: var(--c-notas);
  background: var(--c-notas-bg);
}
.meal-card.NOTAS .meal-badge {
  background: rgba(71, 85, 105, 0.3);
  border-color: var(--c-notas);
  color: var(--c-notas-badge);
}

/* Footer */
.app-footer {
  padding: 12px 24px;
  background: #060a14;
  border-top: 1px solid var(--border-dim);
  text-align: center;
}

.footer-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

/* ==========================================================================
   MODALES Y REVISIÓN OCR
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 16px;
}

.modal-content {
  background: #090e1c;
  border: 1px solid var(--border-bright);
  border-radius: 8px;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.9);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-large {
  max-width: 1000px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: #060b18;
  border-bottom: 1px solid var(--border-dim);
}

.modal-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 1px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
}
.modal-close:hover {
  color: #fff;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
}

.modal-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* Dropzone de foto */
.upload-dropzone {
  border: 2px dashed var(--border-bright);
  border-radius: 8px;
  padding: 40px 20px;
  text-align: center;
  background: #050814;
  cursor: pointer;
  position: relative;
  transition: border-color 0.2s, background-color 0.2s;
}

.upload-dropzone:hover {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.03);
}

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

.camera-icon {
  font-size: 3rem;
  margin-bottom: 12px;
  display: block;
}

.dropzone-label p {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.dropzone-label small {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.ocr-progress {
  margin-top: 20px;
  text-align: center;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(56, 189, 248, 0.2);
  border-top-color: #38bdf8;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px;
}

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

/* Tabla de Revisión OCR */
.review-header {
  margin-bottom: 16px;
}
.review-header h3 {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: #38bdf8;
}
.review-header p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.form-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}
.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

.review-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-dim);
  border-radius: 6px;
  margin-bottom: 16px;
}

.review-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.review-table th {
  background: #060b18;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  padding: 10px;
  border-bottom: 1px solid var(--border-dim);
  border-right: 1px solid var(--border-dim);
  font-weight: 700;
  text-align: left;
}

.review-table td {
  padding: 8px;
  border-bottom: 1px solid var(--border-dim);
  border-right: 1px solid var(--border-dim);
  vertical-align: top;
}

.review-table textarea {
  width: 100%;
  min-width: 120px;
  min-height: 50px;
  background: #050814;
  border: 1px solid var(--border-bright);
  color: #fff;
  font-size: 0.75rem;
  padding: 4px;
  border-radius: 3px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Modal Plan Original */
.original-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

/* Panel de Administración */
.admin-section {
  margin-bottom: 24px;
}
.admin-section h3 {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 1px;
  color: #f59e0b;
  margin-bottom: 10px;
}

.create-user-form {
  display: flex;
  gap: 8px;
  margin-bottom: 6px;
}

.user-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.user-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: #050814;
  border: 1px solid var(--border-bright);
  border-radius: 4px;
}

.user-item-info {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.user-item-actions {
  display: flex;
  gap: 8px;
}

/* ==========================================================================
   ADAPTACIÓN RESPONSIVE (MÓVIL Y TABLET)
   ========================================================================== */

@media (max-width: 900px) {
  .app-header {
    padding: 12px 16px;
  }
  
  .control-bar {
    padding: 10px 16px;
  }

  .mobile-day-tabs {
    display: flex;
  }

  .schedule-container {
    padding: 14px 16px;
  }

  /* En móvil, mostrar solo el día activo seleccionado en tabs */
  .schedule-grid {
    grid-template-columns: 1fr;
  }

  .day-column:not(.mobile-active) {
    display: none;
  }
}