/* =============================================
   HEALTHCARE MANAGEMENT SYSTEM - GLOBAL STYLES
   SDG 3: Good Health and Well-being
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&family=Lexend:wght@300;400;500;600;700&display=swap');

:root {
  /* Color Palette - Medical Modern with Organic Touch */
  --primary: #2D7A6E;
  --primary-light: #3D9B8A;
  --primary-dark: #1E5A4F;
  --secondary: #E8956F;
  --accent: #F4D06F;
  
  /* Status Colors */
  --status-pending: #F4A261;
  --status-processing: #4ECDC4;
  --status-ready: #2D7A6E;
  --status-completed: #95B8D1;
  
  /* Neutrals */
  --bg-primary: #FAFAF9;
  --bg-secondary: #F5F3F0;
  --bg-card: #FFFFFF;
  --text-primary: #2C3333;
  --text-secondary: #6B7280;
  --border: #E5E7EB;
  --shadow: rgba(45, 122, 110, 0.1);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-full: 50rem;
  
  /* Typography */
  --font-primary: 'Lexend', sans-serif;
  --font-secondary: 'DM Sans', sans-serif;
}

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

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

/* =============================================
   TYPOGRAPHY
   ============================================= */

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

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

p {
  font-family: var(--font-secondary);
  margin-bottom: var(--spacing-sm);
}

/* =============================================
   LAYOUT COMPONENTS
   ============================================= */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.navbar {
  background: var(--bg-card);
  box-shadow: 0 2px 12px var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.navbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.user-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.user-info {
  text-align: right;
}

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

.user-role {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 1.25rem;
}

/* =============================================
   BUTTONS
   ============================================= */

.btn {
  padding: 0.875rem 2rem;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  box-shadow: 0 4px 12px rgba(45, 122, 110, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(45, 122, 110, 0.3);
}

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

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

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

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

.btn-logout {
  padding: 0.5rem 1rem;
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
  font-size: 0.875rem;
}

.btn-logout:hover {
  background: #dc2626;
  color: white;
}

/* =============================================
   CARDS
   ============================================= */

.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 4px 20px var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(45, 122, 110, 0.15);
}

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

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

/* =============================================
   FORMS
   ============================================= */

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-secondary);
  font-size: 1rem;
  transition: all 0.3s ease;
  background: var(--bg-primary);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(45, 122, 110, 0.1);
}

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

/* =============================================
   STATUS BADGES
   ============================================= */

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  animation: fadeIn 0.5s ease;
}

.status-pending {
  background: rgba(244, 162, 97, 0.15);
  color: var(--status-pending);
}

.status-processing {
  background: rgba(78, 205, 196, 0.15);
  color: var(--status-processing);
}

.status-ready {
  background: rgba(45, 122, 110, 0.15);
  color: var(--status-ready);
}

.status-completed {
  background: rgba(149, 184, 209, 0.15);
  color: var(--status-completed);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s ease infinite;
}

/* =============================================
   TABLES
   ============================================= */

.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: 0 4px 20px var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  background: var(--bg-secondary);
}

th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-secondary);
}

tbody tr {
  transition: background 0.2s ease;
}

tbody tr:hover {
  background: var(--bg-secondary);
}

/* =============================================
   STATS CARDS
   ============================================= */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 4px 20px var(--shadow);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: var(--primary);
  opacity: 0.05;
  border-radius: 50%;
  transform: translate(30%, -30%);
}

.stat-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-family: var(--font-secondary);
}

/* =============================================
   ANIMATIONS
   ============================================= */

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

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.fade-in {
  animation: fadeIn 0.6s ease;
}

.slide-in {
  animation: slideIn 0.6s ease;
}

/* Stagger animation for cards */
.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 768px) {
  .navbar-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .nav-links {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
}