/* ============================================
   MEDICORE PRO - Healthcare Management System
   Base Styles & CSS Variables
   ============================================ */

/* Import Poppins Font */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* ============================================
   CSS VARIABLES - Healthcare Color Palette
   ============================================ */
:root {
  /* Primary Healthcare Colors */
  --color-primary-dark: #041421;
  --color-primary: #042630;
  --color-secondary: #4c7273;
  --color-accent: #86b9b0;
  --color-light: #d0d6d6;
  
  /* Dark Theme (Default) */
  --bg-primary: #222831;
  --bg-secondary: #393E46;
  --bg-card: #393E46;
  --bg-hover: #4a4f57;
  --text-primary: #EEEEEE;
  --text-secondary: #b0b5ba;
  --text-muted: #888888;
  --accent-color: #00ADB5;
  --accent-hover: #00c4cc;
  --border-color: #4a4f57;
  
  /* Status Colors */
  --status-active: #10b981;
  --status-inactive: #ef4444;
  --status-pending: #f59e0b;
  --status-completed: #3b82f6;
  
  /* Sidebar */
  --sidebar-width: 280px;
  --sidebar-collapsed: 80px;
  
  /* Typography */
  --font-family: 'Poppins', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* 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);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #EEEEEE;
  --bg-secondary: #e8e8e8;
  --bg-card: #FFFFFF;
  --bg-hover: #f5f5f5;
  --text-primary: #222831;
  --text-secondary: #555555;
  --text-muted: #888888;
  --accent-color: #00ADB5;
  --accent-hover: #008a91;
  --border-color: #e0e0e0;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
  transition: background-color var(--transition-base), color var(--transition-base);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-color);
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}

input, textarea, select {
  font-family: inherit;
  outline: none;
  border: none;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: var(--spacing-2);
}

.gap-3 {
  gap: var(--spacing-3);
}

.gap-4 {
  gap: var(--spacing-4);
}

.gap-6 {
  gap: var(--spacing-6);
}

.w-full {
  width: 100%;
}

.h-full {
  height: 100%;
}

.text-center {
  text-align: center;
}

.text-sm {
  font-size: var(--font-size-sm);
}

.text-lg {
  font-size: var(--font-size-lg);
}

.text-xl {
  font-size: var(--font-size-xl);
}

.text-2xl {
  font-size: var(--font-size-2xl);
}

.font-medium {
  font-weight: 500;
}

.font-semibold {
  font-weight: 600;
}

.font-bold {
  font-weight: 700;
}

.text-muted {
  color: var(--text-muted);
}

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

.text-accent {
  color: var(--accent-color);
}

.bg-card {
  background-color: var(--bg-card);
}

.rounded-lg {
  border-radius: var(--radius-lg);
}

.rounded-xl {
  border-radius: var(--radius-xl);
}

.shadow-md {
  box-shadow: var(--shadow-md);
}

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
}

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

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

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

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

.btn-danger {
  background-color: var(--status-inactive);
  color: white;
}

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

.btn-sm {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-xs);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-lg);
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-group {
  margin-bottom: var(--spacing-4);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(0, 173, 181, 0.1);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-checkbox {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-checkbox:checked {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
}

/* ============================================
   STATUS BADGES
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: 9999px;
}

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

.badge-inactive {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--status-inactive);
}

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

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

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

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

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

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

.animate-slide-in-up {
  animation: slideInUp var(--transition-base);
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-lg);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 260px;
  }
}

@media (max-width: 768px) {
  :root {
    --sidebar-width: 0px;
  }
  
  .hide-mobile {
    display: none !important;
  }
}

@media (min-width: 769px) {
  .show-mobile {
    display: none !important;
  }
}