:root {
  --bg-primary: #f4f7f6;
  --bg-card: #ffffff;
  --text-primary: #1f2933;
  --text-secondary: #5f6c72;
  --color-primary: #0d3c41;
  --color-primary-light: #e6eff0;
  --color-secondary: #1f7a7a;
  --color-accent: #38b2ac;
  --color-border: #d7e4e2;
  
  --color-warn-bg: #fff9eb;
  --color-warn-border: #d58a1f;
  --color-warn-text: #8c5b0d;
  
  --color-danger-bg: #fff5f5;
  --color-danger-border: #feb2b2;
  --color-danger-text: #c53030;
  
  --color-success-bg: #f0fff4;
  --color-success-border: #9ae6b4;
  --color-success-text: #276749;
  
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-title: 'Plus Jakarta Sans', system-ui, sans-serif;
  --shadow: 0 4px 20px rgba(13, 60, 65, 0.05);
  --shadow-hover: 0 8px 30px rgba(13, 60, 65, 0.1);
  --radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg-primary: #0f171e;
  --bg-card: #15222c;
  --text-primary: #e4e7eb;
  --text-secondary: #9aa5b1;
  --color-primary: #4ecdc4;
  --color-primary-light: #182e37;
  --color-secondary: #38b2ac;
  --color-border: #2d3748;
  
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.35);
  
  --color-warn-bg: #2b2210;
  --color-warn-border: #d58a1f;
  --color-warn-text: #fbd38d;
  
  --color-danger-bg: #2d1818;
  --color-danger-border: #c53030;
  --color-danger-text: #fc8181;
  
  --color-success-bg: #142d1e;
  --color-success-border: #276749;
  --color-success-text: #68d391;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.app-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

header {
  background: linear-gradient(135deg, #0d3c41, #1f7a7a);
  color: white;
  padding: 40px 32px;
  border-radius: 20px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(78,205,196,0.15) 0%, transparent 60%);
  pointer-events: none;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.header-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  background: rgba(255, 255, 255, 0.1);
  padding: 6px 12px;
  border-radius: 20px;
  display: inline-block;
}

.theme-toggle-btn {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: white;
  font-size: 1.1rem;
  padding: 8px;
  border-radius: 50%;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.05);
}

h1 {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.subtitle {
  font-size: 1.05rem;
  opacity: 0.9;
  max-width: 800px;
  margin-bottom: 20px;
}

.header-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  min-height: 42px;
  padding: 0 20px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}

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

.btn-primary:hover {
  background-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(31, 122, 122, 0.3);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-secondary);
  border: 1.5px solid var(--color-secondary);
}

.btn-outline:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-danger {
  background-color: var(--color-danger-bg);
  color: var(--color-danger-text);
  border: 1px solid var(--color-danger-border);
}

.btn-danger:hover {
  background-color: var(--color-danger-text);
  color: white;
  transform: translateY(-2px);
}

/* Navigation Tabs */
.tabs-nav {
  display: flex;
  gap: 8px;
  background-color: var(--bg-card);
  padding: 8px;
  border-radius: var(--radius);
  margin-bottom: 24px;
  box-shadow: var(--shadow);
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs-nav::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 18px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  transition: var(--transition);
}

.tab-btn:hover {
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

.tab-btn.active {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

/* Tab Content Grid */
.tab-content {
  display: none;
  animation: fadeIn 0.4s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cards */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-hover);
}

.card-title {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1.5px solid var(--color-primary-light);
  padding-bottom: 10px;
}

/* General Typography */
h2, h3, h4 {
  font-family: var(--font-title);
  color: var(--color-primary);
  margin-bottom: 12px;
}

p {
  margin-bottom: 12px;
}

/* Badges & States */
.badge {
  display: inline-block;
  padding: 4px 8px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.badge-success {
  background-color: var(--color-success-bg);
  color: var(--color-success-text);
  border: 1px solid var(--color-success-border);
}

.badge-warn {
  background-color: var(--color-warn-bg);
  color: var(--color-warn-text);
  border: 1px solid var(--color-warn-border);
}

.badge-danger {
  background-color: var(--color-danger-bg);
  color: var(--color-danger-text);
  border: 1px solid var(--color-danger-border);
}

/* Widgets / Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.widget-card {
  background-color: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.widget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.widget-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.widget-value {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 6px;
}

.widget-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* Patient Info Widget */
.patient-widget {
  background: linear-gradient(135deg, var(--bg-card), var(--color-primary-light));
  border: 1px solid var(--color-border);
}

/* Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin-bottom: 18px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--bg-card);
  text-align: left;
}

th, td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
  font-size: 0.9rem;
}

th {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
  font-family: var(--font-title);
  font-size: 0.88rem;
}

tr:last-child td {
  border-bottom: none;
}

tr:nth-child(even) td {
  background-color: rgba(13, 60, 65, 0.015);
}

/* Warnings & Notices */
.callout {
  border-left: 5px solid;
  border-radius: 4px var(--radius) var(--radius) 4px;
  padding: 20px;
  margin-bottom: 24px;
  display: flex;
  gap: 16px;
}

.callout-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.callout-danger {
  background-color: var(--color-danger-bg);
  border-color: var(--color-danger-border);
  color: var(--text-primary);
}

.callout-danger h4 {
  color: var(--color-danger-text);
  font-family: var(--font-title);
  margin-bottom: 6px;
}

.callout-warn {
  background-color: var(--color-warn-bg);
  border-color: var(--color-warn-border);
  color: var(--text-primary);
}

.callout-warn h4 {
  color: var(--color-warn-text);
  font-family: var(--font-title);
  margin-bottom: 6px;
}

.callout-info {
  background-color: var(--color-primary-light);
  border-color: var(--color-secondary);
  color: var(--text-primary);
}

.callout-info h4 {
  color: var(--color-primary);
  font-family: var(--font-title);
  margin-bottom: 6px;
}

/* Form Grid */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  align-items: end;
  margin-bottom: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group-notes {
  grid-column: span 2;
}

@media (max-width: 768px) {
  .form-group-notes {
    grid-column: span 1;
  }
}

label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

input {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 8px 12px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  background-color: var(--bg-card);
  color: var(--text-primary);
  outline: none;
  transition: var(--transition);
}

input:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Interactive Med Checklist */
.med-section-title {
  font-size: 1rem;
  font-weight: 700;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  padding: 8px 14px;
  border-radius: 6px;
  margin: 18px 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.med-checklist-item {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: 8px;
  background-color: var(--bg-card);
  cursor: pointer;
  transition: var(--transition);
}

.med-checklist-item:hover {
  background-color: rgba(13, 60, 65, 0.01);
  transform: translateX(4px);
}

.med-checklist-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--color-secondary);
  cursor: pointer;
  margin-right: 14px;
  flex-shrink: 0;
}

.med-checklist-item.checked {
  border-color: var(--color-success-border);
  background-color: var(--color-success-bg);
  opacity: 0.8;
}

.med-checklist-item.checked .med-name {
  text-decoration: line-through;
  color: var(--color-success-text);
}

.med-info {
  display: flex;
  flex-direction: column;
}

.med-name {
  font-weight: 600;
  color: var(--text-primary);
}

.med-dose {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.progress-bar-container {
  background-color: var(--color-border);
  border-radius: 20px;
  height: 12px;
  width: 100%;
  margin: 14px 0 24px;
  overflow: hidden;
}

.progress-bar {
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  height: 100%;
  width: 0%;
  border-radius: 20px;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Timeline Styles */
.timeline {
  position: relative;
  padding-left: 30px;
  margin: 20px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 10px;
  width: 2px;
  background-color: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: 30px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -25px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-secondary);
  border: 3px solid var(--bg-card);
  box-shadow: 0 0 0 3px var(--color-primary-light);
  z-index: 1;
}

.timeline-date {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-secondary);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.timeline-content-card {
  background-color: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.timeline-title {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

/* Action List */
.action-list {
  list-style: none;
}

.action-list-item {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.action-list-item::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-secondary);
  font-weight: 800;
  font-size: 1.1rem;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 16px 0;
}

.stat-box {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  background-color: var(--bg-primary);
  text-align: center;
}

.stat-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-top: 4px;
}

.stat-badge {
  margin-top: 6px;
  font-size: 0.7rem;
}

/* Chart Container */
.chart-container {
  position: relative;
  margin: 24px 0;
  height: 300px;
  width: 100%;
  background-color: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
}

/* Footer */
footer {
  border-top: 1px solid var(--color-border);
  padding: 30px 0;
  margin-top: 40px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-align: center;
}

/* Print Styles */
@media print {
  body {
    background-color: white;
    color: black;
  }
  header, .tabs-nav, #bp-form, .actions, .theme-toggle-btn, .progress-bar-container, .med-checklist-item input, .no-print {
    display: none !important;
  }
  .app-container {
    padding: 0;
  }
  .tab-content {
    display: block !important;
    opacity: 1 !important;
    transform: none !important;
    page-break-after: always;
  }
  .card {
    border: none;
    box-shadow: none;
    padding: 0;
    margin-bottom: 30px;
    page-break-inside: avoid;
  }
  .card-title {
    border-bottom: 2px solid black;
    color: black;
  }
  th {
    background-color: #f0f0f0 !important;
    color: black !important;
  }
  td, th {
    border: 1px solid #ccc !important;
  }
  .timeline::before {
    background-color: black;
  }
  .timeline-content-card {
    border: 1px solid #ccc;
    box-shadow: none;
  }
}

/* Spinner animation */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.sync-spinner {
  display: inline-block;
  animation: spin 1.5s linear infinite;
}

@media (max-width: 600px) {
  .sync-text {
    display: none;
  }
}

/* Adherencia de medicación */
.adherence-dot {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 700;
  color: white;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(13, 60, 65, 0.08);
  user-select: none;
}

.adherence-dot:hover {
  transform: scale(1.08);
}

.adherence-dot-gray {
  background-color: var(--color-border);
  color: var(--text-secondary);
}

.adherence-dot-green {
  background-color: #38a169;
}

.adherence-dot-orange {
  background-color: #dd6b20;
}

.adherence-dot-red {
  background-color: #e53e3e;
}

/* Filtros del Registro de Presión */
.filters-container {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  background-color: var(--bg-primary);
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 140px;
  flex: 1;
}

.filter-group label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.filter-group select {
  min-height: 36px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 6px 10px;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  background-color: var(--bg-card);
  color: var(--text-primary);
  outline: none;
  transition: var(--transition);
  cursor: pointer;
}

.filter-group select:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}