/* ===================================
   IPASS SCUT - Design System
   Sistema de Passagem de Plantão Médico
   =================================== */

:root {
  /* Color Palette - Medical Theme */
  --primary-blue: #0066cc;
  --primary-blue-dark: #004c99;
  --primary-blue-light: #3385d6;
  
  --accent-teal: #00a896;
  --accent-teal-dark: #008577;
  --accent-teal-light: #33bfb0;
  
  --success-green: #10b981;
  --warning-amber: #f59e0b;
  --error-red: #ef4444;
  --info-blue: #3b82f6;
  
  /* Neutrals */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Background */
  --bg-primary: #ffffff;
  --bg-secondary: var(--gray-50);
  --bg-tertiary: var(--gray-100);
  
  /* Text */
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-tertiary: var(--gray-500);
  --text-inverse: #ffffff;
  
  /* Borders */
  --border-light: var(--gray-200);
  --border-medium: var(--gray-300);
  --border-dark: var(--gray-400);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Fira Code', 'Courier New', monospace;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   Reset & Base Styles
   =================================== */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-secondary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===================================
   Typography
   =================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-md);
}

/* ===================================
   Layout Components
   =================================== */

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

.header {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
  color: var(--text-inverse);
  padding: var(--space-lg) var(--space-xl);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 1.5rem;
  font-weight: 700;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.header-actions {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.main-content {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-xl);
}

/* ===================================
   Cards
   =================================== */

.card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--border-light);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--border-light);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.card-body {
  color: var(--text-secondary);
}

/* ===================================
   Buttons
   =================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  font-family: inherit;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
  color: var(--text-inverse);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-blue-dark) 0%, #003366 100%);
}

.btn-secondary {
  background: var(--gray-100);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background: var(--gray-200);
}

.btn-success {
  background: linear-gradient(135deg, var(--success-green) 0%, #059669 100%);
  color: var(--text-inverse);
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning-amber) 0%, #d97706 100%);
  color: var(--text-inverse);
}

.btn-danger {
  background: linear-gradient(135deg, var(--error-red) 0%, #dc2626 100%);
  color: var(--text-inverse);
}

.btn-icon {
  padding: var(--space-sm);
  width: 36px;
  height: 36px;
}

/* ===================================
   Forms
   =================================== */

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
  background: var(--bg-primary);
  color: var(--text-primary);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* ===================================
   Grid System
   =================================== */

.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ===================================
   Badges & Status
   =================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success-green);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning-amber);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error-red);
}

.badge-info {
  background: rgba(59, 130, 246, 0.1);
  color: var(--info-blue);
}

/* ===================================
   Patient List
   =================================== */

.patient-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.patient-item {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  cursor: pointer;
}

.patient-item:hover {
  border-color: var(--primary-blue);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.patient-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-sm);
}

.patient-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.patient-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ===================================
   Modal
   =================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  animation: fadeIn var(--transition-base) forwards;
}

.modal {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  max-width: 800px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9);
  animation: scaleIn var(--transition-base) forwards;
}

.modal-header {
  padding: var(--space-xl);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-body {
  padding: var(--space-xl);
}

.modal-footer {
  padding: var(--space-xl);
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
}

.hidden {
  display: none !important;
}

/* ===================================
   Animations
   =================================== */

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

@keyframes scaleIn {
  to { 
    transform: scale(1);
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(20px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn var(--transition-base);
}

.slide-in {
  animation: slideInRight var(--transition-base);
}

/* ===================================
   Utilities
   =================================== */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-secondary); }
.text-small { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .main-content {
    padding: var(--space-lg) var(--space-md);
  }
  
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .modal {
    width: 95%;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
}