/* ========================================
   SRMS - Modern Design System
   Bright, Clean, Responsive UI
   ======================================== */

/* ========================================
   CSS Variables - Design Tokens
   ======================================== */
:root {
  /* Colors - Primary Palette */
  --color-primary-50: #eff6ff;
  --color-primary-100: #dbeafe;
  --color-primary-200: #bfdbfe;
  --color-primary-300: #93c5fd;
  --color-primary-400: #60a5fa;
  --color-primary-500: #3b82f6;
  --color-primary-600: #2563eb;
  --color-primary-700: #1d4ed8;
  --color-primary-800: #1e40af;
  --color-primary-900: #1e3a8a;

  /* Colors - Secondary Palette */
  --color-secondary-50: #faf5ff;
  --color-secondary-100: #f3e8ff;
  --color-secondary-200: #e9d5ff;
  --color-secondary-300: #d8b4fe;
  --color-secondary-400: #c084fc;
  --color-secondary-500: #a855f7;
  --color-secondary-600: #9333ea;
  --color-secondary-700: #7e22ce;

  /* Colors - Accent Palette */
  --color-accent-50: #fdf4ff;
  --color-accent-100: #fae8ff;
  --color-accent-200: #f5d0fe;
  --color-accent-300: #f0abfc;
  --color-accent-400: #e879f9;
  --color-accent-500: #d946ef;
  --color-accent-600: #c026d3;

  /* Colors - Neutral Palette */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Colors - Semantic */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;

  /* Typography */
  --font-family-base: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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;
  --spacing-16: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* 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);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Base Styles
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-gray-800);
  background: linear-gradient(135deg, 
    #e0f2fe 0%, 
    #ddd6fe 25%, 
    #fae8ff 50%, 
    #fce7f3 75%, 
    #fee2e2 100%
  );
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Glassmorphism Components
   ======================================== */
.glass {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 8px 32px rgba(31, 38, 135, 0.1);
}

.glass-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 32px rgba(31, 38, 135, 0.12);
  border-radius: var(--radius-2xl);
  transition: all var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 12px 40px rgba(31, 38, 135, 0.18);
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-gray-900);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

/* ========================================
   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-base);
  font-weight: 600;
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500));
  color: white;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-600));
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: white;
  color: var(--color-primary-600);
  border: 2px solid var(--color-primary-200);
}

.btn-secondary:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-300);
}

.btn-success {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
  background: linear-gradient(135deg, #059669, #047857);
  transform: translateY(-2px);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  transform: translateY(-2px);
}

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

.btn-lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-lg);
}

/* ========================================
   Form Elements
   ======================================== */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  color: var(--color-gray-800);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--color-primary-400);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-700);
}

/* ========================================
   Cards
   ======================================== */
.card {
  background: white;
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.card-header {
  margin-bottom: var(--spacing-4);
  padding-bottom: var(--spacing-4);
  border-bottom: 1px solid var(--color-gray-200);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-gray-900);
}

/* ========================================
   Tables
   ======================================== */
.table-container {
  background: white;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.table thead {
  background: linear-gradient(135deg, var(--color-gray-50), var(--color-gray-100));
}

.table th {
  padding: var(--spacing-4);
  text-align: left;
  font-weight: 600;
  color: var(--color-gray-700);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: 0.05em;
}

.table td {
  padding: var(--spacing-4);
  border-top: 1px solid var(--color-gray-200);
}

.table tbody tr {
  transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
  background-color: var(--color-gray-50);
}

/* ========================================
   Badges & Status
   ======================================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-success {
  background: #d1fae5;
  color: #065f46;
}

.badge-warning {
  background: #fef3c7;
  color: #92400e;
}

.badge-error {
  background: #fee2e2;
  color: #991b1b;
}

.badge-info {
  background: #dbeafe;
  color: #1e40af;
}

/* ========================================
   Alerts
   ======================================== */
.alert {
  padding: var(--spacing-4);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
  animation: slideIn 0.3s ease-out;
}

.alert-success {
  background: rgba(209, 250, 229, 0.9);
  border: 1px solid #6ee7b7;
  color: #065f46;
}

.alert-error {
  background: rgba(254, 226, 226, 0.9);
  border: 1px solid #fca5a5;
  color: #991b1b;
}

.alert-warning {
  background: rgba(254, 243, 199, 0.9);
  border: 1px solid #fcd34d;
  color: #92400e;
}

.alert-info {
  background: rgba(219, 234, 254, 0.9);
  border: 1px solid #93c5fd;
  color: #1e40af;
}

/* ========================================
   Animations
   ======================================== */
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

/* ========================================
   Utility Classes
   ======================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.text-primary { color: var(--color-primary-600); }
.text-secondary { color: var(--color-secondary-600); }
.text-gray { color: var(--color-gray-600); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }

.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }

/* ========================================
   Scrollbar Styling
   ======================================== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(59, 130, 246, 0.5);
}

/* ========================================
   Responsive Utilities
   ======================================== */
@media (max-width: 640px) {
  :root {
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
  }
  
  .glass-card {
    padding: var(--spacing-4);
  }
}

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

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