@import "tailwindcss";

/* ============================================
   MODERN DESIGN SYSTEM - LOAN MANAGEMENT
   ============================================ */

:root {
  /* Color Palette - Light Mode */
  --background: #f8fafc;
  --foreground: #0f172a;
  
  /* Primary Colors - Vibrant Indigo/Purple */
  --primary-50: #eef2ff;
  --primary-100: #e0e7ff;
  --primary-200: #c7d2fe;
  --primary-300: #a5b4fc;
  --primary-400: #818cf8;
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-700: #4338ca;
  --primary-800: #3730a3;
  --primary-900: #312e81;
  
  /* Accent Colors - Vibrant Cyan */
  --accent-50: #ecfeff;
  --accent-100: #cffafe;
  --accent-200: #a5f3fc;
  --accent-300: #67e8f9;
  --accent-400: #22d3ee;
  --accent-500: #06b6d4;
  --accent-600: #0891b2;
  --accent-700: #0e7490;
  
  /* Success Colors */
  --success-50: #f0fdf4;
  --success-100: #dcfce7;
  --success-500: #22c55e;
  --success-600: #16a34a;
  --success-700: #15803d;
  
  /* Warning Colors */
  --warning-50: #fffbeb;
  --warning-100: #fef3c7;
  --warning-500: #f59e0b;
  --warning-600: #d97706;
  
  /* Error Colors */
  --error-50: #fef2f2;
  --error-100: #fee2e2;
  --error-500: #ef4444;
  --error-600: #dc2626;
  --error-700: #b91c1c;
  
  /* Neutral Colors */
  --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;
  
  /* 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);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-success: linear-gradient(135deg, #0ba360 0%, #3cba92 100%);
  --gradient-warning: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-info: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-purple: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  --gradient-ocean: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #0f172a;
    --foreground: #f1f5f9;
    
    /* Adjust colors for dark mode */
    --gray-50: #1e293b;
    --gray-100: #334155;
    --gray-200: #475569;
    --gray-800: #cbd5e1;
    --gray-900: #f1f5f9;
    
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  }
}

@theme inline {
  --color-background: var(--background);
  --color-foreground: var(--foreground);
  --font-sans: var(--font-geist-sans);
  --font-mono: var(--font-geist-mono);
}

/* ============================================
   BASE STYLES
   ============================================ */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  background-attachment: fixed;
  color: var(--foreground);
  font-family: var(--font-geist-sans), system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

@media (prefers-color-scheme: dark) {
  body {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  border-radius: 10px;
  transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
}

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

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

@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes fade-scale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

@keyframes shimmer-gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes bounce-in {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
  }
}

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

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(99, 102, 241, 0.5);
  }
  50% {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.8);
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

@keyframes stagger-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.animate-fade-in {
  animation: fade-in 0.4s ease-out;
}

.animate-slide-in {
  animation: slide-in 0.3s ease-out;
}

.animate-slide-up {
  animation: slide-up 0.4s ease-out;
}

.animate-scale-in {
  animation: scale-in 0.2s ease-out;
}

.animate-fade-scale {
  animation: fade-scale 0.3s ease-out;
}

.animate-bounce-in {
  animation: bounce-in 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-pulse-glow {
  animation: pulse-glow 2s ease-in-out infinite;
}

.animate-rotate {
  animation: rotate 1s linear infinite;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-shimmer {
  animation: shimmer-gradient 3s ease infinite;
  background-size: 200% 200%;
}

/* Stagger animation for children */
.stagger-children > * {
  animation: stagger-fade-in 0.5s ease-out backwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.3s; }

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-300) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}

.loading-skeleton {
  background: var(--gray-100);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}

.loading-skeleton::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  animation: shimmer 1.5s infinite;
}

/* Glassmorphism */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.glass-strong {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.2);
}

/* Transitions */
.transition-all {
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

.transition-smooth {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-bounce {
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.duration-200 {
  transition-duration: 200ms;
}

.duration-300 {
  transition-duration: 300ms;
}

.duration-500 {
  transition-duration: 500ms;
}

/* Hover Effects */
.hover-lift {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.hover-scale {
  transition: transform 0.2s ease;
}

.hover-scale:hover {
  transform: scale(1.05);
}

.hover-glow {
  transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.hover-gradient {
  position: relative;
  overflow: hidden;
}

.hover-gradient::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.hover-gradient:hover::before {
  left: 100%;
}

/* Focus States */
.focus-ring {
  transition: outline 0.2s ease, box-shadow 0.2s ease;
}

.focus-ring:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

.focus-ring:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* Gradient Backgrounds */
.gradient-primary {
  background: var(--gradient-primary);
}

.gradient-success {
  background: var(--gradient-success);
}

.gradient-warning {
  background: var(--gradient-warning);
}

.gradient-info {
  background: var(--gradient-info);
}

.gradient-ocean {
  background: var(--gradient-ocean);
}

/* Text Gradients */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Backdrop Blur */
.backdrop-blur-sm {
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.backdrop-blur-md {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.backdrop-blur-lg {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* Ripple Effect Container */
.ripple-container {
  position: relative;
  overflow: hidden;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  transform: scale(0);
  animation: ripple 0.6s ease-out;
  pointer-events: none;
}

/* Card Elevation Levels */
.elevation-1 {
  box-shadow: var(--shadow-sm);
}

.elevation-2 {
  box-shadow: var(--shadow-md);
}

.elevation-3 {
  box-shadow: var(--shadow-lg);
}

.elevation-4 {
  box-shadow: var(--shadow-xl);
}

.elevation-5 {
  box-shadow: var(--shadow-2xl);
}

/* Responsive Typography */
.text-responsive-xl {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

.text-responsive-lg {
  font-size: clamp(1.25rem, 3vw, 2rem);
}

.text-responsive-md {
  font-size: clamp(1rem, 2vw, 1.5rem);
}

/* Utility for tabular numbers */
.tabular-nums {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum';
}