:root {
  --bg-primary: #090d16;
  --bg-surface: #111827;
  --bg-card: #1f2937;
  --bg-card-hover: #263345;
  --border-color: #374151;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-amber: #f59e0b;
  --accent-purple: #8b5cf6;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
}

.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Main Content Area */
.main-content {
  flex: 1;
  padding: 2rem 2.5rem;
  max-width: 1300px;
  margin: 0 auto;
  width: 100%;
}

.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.title-group h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.title-group p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.header-badges {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.sync-badge {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.3);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.sync-badge.synced {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border-color: rgba(16, 185, 129, 0.3);
}

/* Metrics Grid */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

/* Nav Tabs */
.tab-navigation {
  display: flex;
  gap: 0.5rem;
  background: var(--bg-surface);
  padding: 0.35rem;
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
}

.tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.65rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
  background: var(--accent-blue);
  color: #fff;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}

/* Routine Cards Grid */
.routines-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.routine-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.routine-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.routine-title-box h3 {
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.routine-time {
  font-size: 0.85rem;
  color: var(--accent-amber);
  margin-top: 0.2rem;
  font-weight: 500;
}

.routine-items-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
  flex: 1;
}

.pill-check-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.85rem;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.15s ease;
}

.pill-check-item:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
}

.pill-label-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
  flex: 1;
}

.pill-check-item input[type="checkbox"] {
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--accent-blue);
  cursor: pointer;
}

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

.pill-name {
  font-weight: 600;
  font-size: 0.92rem;
}

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

.pill-note-tag {
  font-size: 0.75rem;
  color: var(--accent-amber);
  margin-top: 0.1rem;
}

.pill-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-prescription {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-supplement {
  background: rgba(59, 130, 246, 0.12);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.badge-optional {
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.25);
}

.routine-action-btn {
  background: var(--accent-blue);
  color: #fff;
  border: none;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  width: 100%;
}

.routine-action-btn:hover {
  background: var(--accent-blue-hover);
  transform: translateY(-1px);
}

/* Quick Adhoc Buttons */
.adhoc-btn-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.adhoc-action-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.1rem;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.adhoc-btn {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.adhoc-btn:hover {
  background: var(--accent-green);
  color: #fff;
}

/* Pills Management Table */
.card-section {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.section-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.btn-primary {
  background: var(--accent-blue);
  color: #fff;
  border: none;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-primary:hover {
  background: var(--accent-blue-hover);
}

.pills-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.pills-table th {
  background: var(--bg-card);
  padding: 0.85rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-color);
}

.pills-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.9rem;
}

.pills-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider-round {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #4b5563;
  transition: .2s;
  border-radius: 24px;
}

.slider-round:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .2s;
  border-radius: 50%;
}

input:checked + .slider-round {
  background-color: var(--accent-green);
}

input:checked + .slider-round:before {
  transform: translateX(20px);
}

/* History Logs */
.log-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.log-meta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.log-time {
  font-weight: 700;
  font-size: 0.95rem;
}

.log-items-list {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-backdrop.open {
  display: flex;
}

.modal-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-input, .form-select {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
}

@media (max-width: 768px) {
  .main-content {
    padding: 1.25rem 1rem;
  }
  .routines-grid {
    grid-template-columns: 1fr;
  }
}