/*
 * CLX UI Design System
 * Apple-Inspired Premium Design Tokens
 * Synchronized with Cluenex Main Platform
 * Version: 1.0
 */

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

:root {
  /* Font Families */
  --clx-font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', 'Segoe UI', 'Roboto', sans-serif;
  --clx-font-display: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
  --clx-font-mono: 'SF Mono', 'Monaco', 'Cascadia Code', 'Courier New', monospace;
  
  /* Font Sizes */
  --clx-text-hero: 48px;
  --clx-text-title: 24px;
  --clx-text-heading: 18px;
  --clx-text-subheading: 16px;
  --clx-text-body: 15px;
  --clx-text-body-sm: 14px;
  --clx-text-caption: 12px;
  --clx-text-label: 10px;
  
  /* Font Weights */
  --clx-weight-light: 300;
  --clx-weight-regular: 400;
  --clx-weight-medium: 500;
  --clx-weight-semibold: 600;
  --clx-weight-bold: 700;
  --clx-weight-heavy: 800;
  
  /* Letter Spacing */
  --clx-tracking-tight: -0.5px;
  --clx-tracking-normal: 0;
  --clx-tracking-wide: 0.5px;
  --clx-tracking-wider: 1px;
  
  /* Line Heights */
  --clx-leading-tight: 1.2;
  --clx-leading-normal: 1.5;
  --clx-leading-relaxed: 1.7;
}

/* ============================================
   COLOR PALETTE
   ============================================ */

:root {
  /* Backgrounds */
  --clx-bg-body: #f5f5f7;
  --clx-bg-card: #ffffff;
  --clx-bg-elevated: #ffffff;
  --clx-bg-glass: rgba(255, 255, 255, 0.72);
  --clx-bg-overlay: rgba(0, 0, 0, 0.4);
  
  /* Text Hierarchy */
  --clx-text-primary: #1d1d1f;
  --clx-text-secondary: #86868b;
  --clx-text-tertiary: #6e6e73;
  --clx-text-inverse: #ffffff;
  
  /* Functional Colors */
  --clx-blue: #0071e3;
  --clx-blue-hover: #0077ed;
  --clx-blue-active: #006edb;
  
  --clx-green: #34c759;
  --clx-green-bg: rgba(52, 199, 89, 0.1);
  
  --clx-red: #ff3b30;
  --clx-red-bg: rgba(255, 59, 48, 0.1);
  
  --clx-orange: #ff9500;
  --clx-orange-bg: rgba(255, 149, 0, 0.1);
  
  /* Borders */
  --clx-border-subtle: rgba(0, 0, 0, 0.05);
  --clx-border-light: rgba(0, 0, 0, 0.08);
  --clx-border-medium: rgba(0, 0, 0, 0.12);
  --clx-border-focus: rgba(0, 113, 227, 0.4);
  
  /* Gemini Brand Gradient */
  --clx-gradient-gemini: linear-gradient(135deg, #4285F4 0%, #9171FF 50%, #FF719A 100%);
}

/* ============================================
   SPACING SYSTEM (8px Grid)
   ============================================ */

:root {
  --clx-space-1: 4px;
  --clx-space-2: 8px;
  --clx-space-3: 12px;
  --clx-space-4: 16px;
  --clx-space-5: 20px;
  --clx-space-6: 24px;
  --clx-space-8: 32px;
  --clx-space-10: 40px;
  --clx-space-12: 48px;
  --clx-space-16: 64px;
  --clx-space-20: 80px;
  --clx-space-24: 96px;
}

/* ============================================
   BORDER RADIUS
   ============================================ */

:root {
  --clx-radius-sm: 8px;
  --clx-radius-md: 12px;
  --clx-radius-lg: 18px;
  --clx-radius-xl: 24px;
  --clx-radius-2xl: 30px;
  --clx-radius-full: 9999px;
}

/* ============================================
   SHADOWS (Levitation Effect)
   ============================================ */

:root {
  --clx-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --clx-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --clx-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  --clx-shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.08);
  --clx-shadow-2xl: 0 20px 60px rgba(0, 0, 0, 0.12);
  
  /* Focus Shadow */
  --clx-shadow-focus: 0 0 0 4px var(--clx-border-focus);
  
  /* Inner Shadows */
  --clx-shadow-inset: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* ============================================
   TRANSITIONS & ANIMATIONS
   ============================================ */

:root {
  --clx-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --clx-transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --clx-transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --clx-transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Apple-style easing curves */
  --clx-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --clx-ease-out: cubic-bezier(0, 0, 0.2, 1);
  --clx-ease-in: cubic-bezier(0.4, 0, 1, 1);
  --clx-ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ============================================
   BACKDROP BLUR (Glassmorphism)
   ============================================ */

:root {
  --clx-blur-sm: 8px;
  --clx-blur-md: 12px;
  --clx-blur-lg: 20px;
  --clx-blur-xl: 40px;
}

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

body {
  font-family: var(--clx-font-primary);
  font-size: var(--clx-text-body);
  font-weight: var(--clx-weight-regular);
  color: var(--clx-text-primary);
  background-color: var(--clx-bg-body);
  line-height: var(--clx-leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.clx-hero {
  font-family: var(--clx-font-display);
  font-size: var(--clx-text-hero);
  font-weight: var(--clx-weight-bold);
  line-height: var(--clx-leading-tight);
  letter-spacing: var(--clx-tracking-tight);
  color: var(--clx-text-primary);
}

.clx-title {
  font-size: var(--clx-text-title);
  font-weight: var(--clx-weight-semibold);
  line-height: var(--clx-leading-tight);
  color: var(--clx-text-primary);
}

.clx-heading {
  font-size: var(--clx-text-heading);
  font-weight: var(--clx-weight-semibold);
  color: var(--clx-text-primary);
}

.clx-subheading {
  font-size: var(--clx-text-subheading);
  font-weight: var(--clx-weight-medium);
  color: var(--clx-text-secondary);
}

.clx-body {
  font-size: var(--clx-text-body);
  color: var(--clx-text-primary);
  line-height: var(--clx-leading-normal);
}

.clx-body-sm {
  font-size: var(--clx-text-body-sm);
  color: var(--clx-text-secondary);
}

.clx-caption {
  font-size: var(--clx-text-caption);
  color: var(--clx-text-tertiary);
  line-height: var(--clx-leading-normal);
}

.clx-label {
  font-size: var(--clx-text-label);
  font-weight: var(--clx-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--clx-tracking-wide);
  color: var(--clx-text-tertiary);
}

/* ============================================
   CARD COMPONENTS
   ============================================ */

.clx-card {
  background: var(--clx-bg-card);
  border-radius: var(--clx-radius-xl);
  border: 1px solid var(--clx-border-subtle);
  box-shadow: var(--clx-shadow-md);
  overflow: hidden;
  transition: all var(--clx-transition-smooth);
}

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

.clx-card-glass {
  background: var(--clx-bg-glass);
  backdrop-filter: blur(var(--clx-blur-lg));
  -webkit-backdrop-filter: blur(var(--clx-blur-lg));
  border: 1px solid var(--clx-border-light);
  border-radius: var(--clx-radius-xl);
  box-shadow: var(--clx-shadow-lg);
}

.clx-card-elevated {
  background: var(--clx-bg-elevated);
  border-radius: var(--clx-radius-xl);
  box-shadow: var(--clx-shadow-xl);
  border: none;
}

.clx-card-header {
  padding: var(--clx-space-6);
  border-bottom: 1px solid var(--clx-border-subtle);
}

.clx-card-body {
  padding: var(--clx-space-6);
}

.clx-card-footer {
  padding: var(--clx-space-6);
  border-top: 1px solid var(--clx-border-subtle);
  background: rgba(0, 0, 0, 0.02);
}

/* ============================================
   BUTTON COMPONENTS
   ============================================ */

.clx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--clx-space-2);
  padding: var(--clx-space-3) var(--clx-space-6);
  font-family: var(--clx-font-primary);
  font-size: var(--clx-text-body);
  font-weight: var(--clx-weight-medium);
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--clx-radius-md);
  cursor: pointer;
  transition: all var(--clx-transition-base);
  white-space: nowrap;
  user-select: none;
}

.clx-btn:focus-visible {
  outline: none;
  box-shadow: var(--clx-shadow-focus);
}

/* Primary Button */
.clx-btn-primary {
  background: var(--clx-blue);
  color: var(--clx-text-inverse);
  box-shadow: var(--clx-shadow-sm);
}

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

.clx-btn-primary:active {
  background: var(--clx-blue-active);
  transform: translateY(0);
}

/* Secondary Button */
.clx-btn-secondary {
  background: var(--clx-bg-card);
  color: var(--clx-text-primary);
  border: 1px solid var(--clx-border-medium);
}

.clx-btn-secondary:hover {
  background: rgba(0, 0, 0, 0.03);
  border-color: var(--clx-border-medium);
  box-shadow: var(--clx-shadow-sm);
}

/* Ghost Button */
.clx-btn-ghost {
  background: transparent;
  color: var(--clx-blue);
  border: none;
}

.clx-btn-ghost:hover {
  background: rgba(0, 113, 227, 0.08);
}

/* Destructive Button */
.clx-btn-destructive {
  background: var(--clx-red);
  color: var(--clx-text-inverse);
}

.clx-btn-destructive:hover {
  background: #ff453a;
  box-shadow: var(--clx-shadow-md);
}

/* Button Sizes */
.clx-btn-sm {
  padding: var(--clx-space-2) var(--clx-space-4);
  font-size: var(--clx-text-body-sm);
}

.clx-btn-lg {
  padding: var(--clx-space-4) var(--clx-space-8);
  font-size: var(--clx-text-subheading);
}

.clx-btn-full {
  width: 100%;
}

/* ============================================
   FORM INPUTS
   ============================================ */

.clx-input,
.clx-textarea,
.clx-select {
  width: 100%;
  padding: var(--clx-space-3) var(--clx-space-4);
  font-family: var(--clx-font-primary);
  font-size: var(--clx-text-body);
  color: var(--clx-text-primary);
  background: var(--clx-bg-card);
  border: 1px solid var(--clx-border-light);
  border-radius: var(--clx-radius-lg);
  outline: none;
  transition: all var(--clx-transition-base);
  -webkit-appearance: none;
  appearance: none;
}

.clx-input:focus,
.clx-textarea:focus,
.clx-select:focus {
  border-color: var(--clx-blue);
  box-shadow: var(--clx-shadow-focus);
}

.clx-input::placeholder,
.clx-textarea::placeholder {
  color: var(--clx-text-tertiary);
}

.clx-input:disabled,
.clx-textarea:disabled,
.clx-select:disabled {
  background: rgba(0, 0, 0, 0.03);
  color: var(--clx-text-tertiary);
  cursor: not-allowed;
}

.clx-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Input with Icon */
.clx-input-wrapper {
  position: relative;
}

.clx-input-icon {
  position: absolute;
  left: var(--clx-space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--clx-text-tertiary);
  pointer-events: none;
}

.clx-input-wrapper .clx-input {
  padding-left: var(--clx-space-10);
}

/* Form Labels */
.clx-form-label {
  display: block;
  margin-bottom: var(--clx-space-2);
  font-size: var(--clx-text-body-sm);
  font-weight: var(--clx-weight-medium);
  color: var(--clx-text-primary);
}

.clx-form-hint {
  display: block;
  margin-top: var(--clx-space-1);
  font-size: var(--clx-text-caption);
  color: var(--clx-text-tertiary);
}

.clx-form-error {
  display: block;
  margin-top: var(--clx-space-1);
  font-size: var(--clx-text-caption);
  color: var(--clx-red);
}

/* ============================================
   NAVIGATION SIDEBAR
   ============================================ */

.clx-sidebar {
  background: var(--clx-bg-card);
  border-right: 1px solid var(--clx-border-subtle);
  padding: var(--clx-space-6);
}

.clx-sidebar-nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.clx-sidebar-nav-item {
  margin-bottom: var(--clx-space-1);
}

.clx-sidebar-nav-link {
  display: flex;
  align-items: center;
  gap: var(--clx-space-3);
  padding: var(--clx-space-3) var(--clx-space-4);
  font-size: var(--clx-text-body);
  font-weight: var(--clx-weight-regular);
  color: var(--clx-text-primary);
  text-decoration: none;
  border-radius: var(--clx-radius-md);
  transition: all var(--clx-transition-base);
}

.clx-sidebar-nav-link:hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--clx-text-primary);
}

.clx-sidebar-nav-link.active {
  background: rgba(0, 113, 227, 0.1);
  color: var(--clx-blue);
  font-weight: var(--clx-weight-medium);
}

.clx-sidebar-nav-icon {
  width: 20px;
  height: 20px;
  color: var(--clx-text-secondary);
}

.clx-sidebar-nav-link.active .clx-sidebar-nav-icon {
  color: var(--clx-blue);
}

/* ============================================
   ALERTS & NOTIFICATIONS
   ============================================ */

.clx-alert {
  padding: var(--clx-space-4) var(--clx-space-5);
  border-radius: var(--clx-radius-lg);
  border: 1px solid;
  font-size: var(--clx-text-body-sm);
  line-height: var(--clx-leading-relaxed);
}

.clx-alert-success {
  background: var(--clx-green-bg);
  border-color: var(--clx-green);
  color: var(--clx-text-primary);
}

.clx-alert-error {
  background: var(--clx-red-bg);
  border-color: var(--clx-red);
  color: var(--clx-text-primary);
}

.clx-alert-warning {
  background: var(--clx-orange-bg);
  border-color: var(--clx-orange);
  color: var(--clx-text-primary);
}

.clx-alert-info {
  background: rgba(0, 113, 227, 0.1);
  border-color: var(--clx-blue);
  color: var(--clx-text-primary);
}

/* ============================================
   BADGES & PILLS
   ============================================ */

.clx-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--clx-space-1) var(--clx-space-3);
  font-size: var(--clx-text-caption);
  font-weight: var(--clx-weight-semibold);
  border-radius: var(--clx-radius-full);
  text-transform: uppercase;
  letter-spacing: var(--clx-tracking-wide);
}

.clx-badge-primary {
  background: rgba(0, 113, 227, 0.1);
  color: var(--clx-blue);
}

.clx-badge-success {
  background: var(--clx-green-bg);
  color: var(--clx-green);
}

.clx-badge-danger {
  background: var(--clx-red-bg);
  color: var(--clx-red);
}

.clx-badge-neutral {
  background: rgba(0, 0, 0, 0.06);
  color: var(--clx-text-secondary);
}

/* ============================================
   LOADING STATES
   ============================================ */

.clx-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--clx-border-light);
  border-top-color: var(--clx-blue);
  border-radius: 50%;
  animation: clx-spin 0.6s linear infinite;
}

@keyframes clx-spin {
  to { transform: rotate(360deg); }
}

.clx-skeleton {
  background: linear-gradient(
    90deg,
    rgba(0, 0, 0, 0.04) 0%,
    rgba(0, 0, 0, 0.08) 50%,
    rgba(0, 0, 0, 0.04) 100%
  );
  background-size: 200% 100%;
  animation: clx-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--clx-radius-md);
}

@keyframes clx-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ============================================
   DIVIDERS
   ============================================ */

.clx-divider {
  height: 1px;
  background: var(--clx-border-subtle);
  border: none;
  margin: var(--clx-space-6) 0;
}

.clx-divider-vertical {
  width: 1px;
  height: 100%;
  background: var(--clx-border-subtle);
}

/* ============================================
   PREMIUM INTERACTIVE EFFECTS
   ============================================ */

/* Magnetic hover effect for buttons */
@keyframes magnetic-pull {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

.clx-btn:active {
    animation: magnetic-pull 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Shimmer effect for premium badges */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.clx-shimmer {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

/* Glow effect on focus */
.clx-glow-on-hover:hover {
    box-shadow: 0 0 20px rgba(0, 113, 227, 0.3), var(--clx-shadow-xl);
}

/* Gradient text effect */
.clx-gradient-text {
    background: linear-gradient(135deg, #4285F4 0%, #9171FF 50%, #FF719A 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Card reveal animation */
@keyframes card-reveal {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.clx-card-reveal {
    animation: card-reveal 400ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Pulse animation for notifications */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

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

/* Smooth scale on hover for interactive elements */
.clx-scale-hover {
    transition: transform 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

.clx-scale-hover:hover {
    transform: scale(1.02);
}

.clx-scale-hover:active {
    transform: scale(0.98);
}

/* Frosted glass effect */
.clx-frosted-glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Premium gradient borders */
.clx-gradient-border {
    position: relative;
    background: var(--clx-bg-card);
    border-radius: var(--clx-radius-xl);
}

.clx-gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--clx-radius-xl);
    padding: 1px;
    background: linear-gradient(135deg, #4285F4, #9171FF, #FF719A);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

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

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

/* Fade slide in animation */
@keyframes fade-slide-in {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.clx-fade-slide-in {
    animation: fade-slide-in 300ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

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

/* Spacing */
.clx-mt-1 { margin-top: var(--clx-space-1); }
.clx-mt-2 { margin-top: var(--clx-space-2); }
.clx-mt-4 { margin-top: var(--clx-space-4); }
.clx-mt-6 { margin-top: var(--clx-space-6); }
.clx-mt-8 { margin-top: var(--clx-space-8); }

.clx-mb-1 { margin-bottom: var(--clx-space-1); }
.clx-mb-2 { margin-bottom: var(--clx-space-2); }
.clx-mb-4 { margin-bottom: var(--clx-space-4); }
.clx-mb-6 { margin-bottom: var(--clx-space-6); }
.clx-mb-8 { margin-bottom: var(--clx-space-8); }

.clx-p-4 { padding: var(--clx-space-4); }
.clx-p-6 { padding: var(--clx-space-6); }
.clx-p-8 { padding: var(--clx-space-8); }

/* Text Alignment */
.clx-text-left { text-align: left; }
.clx-text-center { text-align: center; }
.clx-text-right { text-align: right; }

/* Display */
.clx-flex { display: flex; }
.clx-inline-flex { display: inline-flex; }
.clx-grid { display: grid; }
.clx-block { display: block; }
.clx-inline-block { display: inline-block; }
.clx-hidden { display: none; }

/* Flex Utilities */
.clx-flex-row { flex-direction: row; }
.clx-flex-col { flex-direction: column; }
.clx-items-center { align-items: center; }
.clx-items-start { align-items: flex-start; }
.clx-items-end { align-items: flex-end; }
.clx-justify-center { justify-content: center; }
.clx-justify-between { justify-content: space-between; }
.clx-justify-end { justify-content: flex-end; }
.clx-gap-2 { gap: var(--clx-space-2); }
.clx-gap-4 { gap: var(--clx-space-4); }
.clx-gap-6 { gap: var(--clx-space-6); }

/* Width */
.clx-w-full { width: 100%; }
.clx-w-auto { width: auto; }

/* Transitions */
.clx-transition { transition: all var(--clx-transition-base); }

/* Hover Effects */
.clx-hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--clx-shadow-lg);
}

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

@media (max-width: 768px) {
  :root {
    --clx-text-hero: 32px;
    --clx-text-title: 20px;
  }
  
  .clx-card-body {
    padding: var(--clx-space-4);
  }
}