@tailwind base;
@tailwind components;
@tailwind utilities;

/* =============================================================================
   FONT LOADING - OPTIMIZED WEB FONTS
   ============================================================================= */

/* Self-hosted Exo fonts for display typography */
@font-face {
  font-family: 'Exo';
  src: url('/fonts/Exo-Thin.ttf') format('truetype');
  font-weight: 100;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Exo';
  src: url('/fonts/Exo-ExtraLight.ttf') format('truetype');
  font-weight: 200;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Exo';
  src: url('/fonts/Exo-Light.ttf') format('truetype');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Exo';
  src: url('/fonts/Exo-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* Import Google Fonts for fallbacks */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;600;700&display=swap');

/* =============================================================================
   DESIGN TOKENS - CSS CUSTOM PROPERTIES
   ============================================================================= */

:root {
  /* Core Brand Colors */
  --chorus-carbon-black: #000000;
  --chorus-carbon-dark: #0f0f0f;
  --chorus-carbon-medium: #1a1a1a;
  --chorus-carbon-light: #2a2a2a;
  
  --chorus-walnut-deep: #8B4513;
  --chorus-walnut-medium: #A0522D;
  --chorus-walnut-warm: #D2691E;
  --chorus-walnut-light: #DEB887;
  
  --chorus-aluminum-metallic: #C0C0C0;
  --chorus-aluminum-slate: #708090;
  --chorus-aluminum-light: #E5E5E5;
  --chorus-aluminum-subtle: #F8F9FA;
  
  --chorus-paper-natural: #F5F5DC;
  --chorus-paper-pure: #FFFEF7;
  --chorus-paper-aged: #F0E68C;
  --chorus-paper-cream: #FDF6E3;
  
  /* System Colors */
  --chorus-orchestration-blue: #007AFF;
  --chorus-orchestration-deep: #0051D5;
  --chorus-orchestration-light: #4A90E2;
  --chorus-orchestration-pale: #E3F2FD;
  
  --chorus-harmony-green: #30D158;
  --chorus-harmony-forest: #228B22;
  --chorus-harmony-sage: #9CAF88;
  --chorus-harmony-mint: #F0FFF4;
  
  --chorus-resonance-amber: #FF9F0A;
  --chorus-resonance-golden: #FFD700;
  --chorus-resonance-copper: #B87333;
  --chorus-resonance-cream: #FFFAF0;
  
  --chorus-alert-coral: #FF453A;
  --chorus-alert-warm: #FF6B6B;
  --chorus-alert-rose: #E55B5B;
  --chorus-alert-blush: #FFF5F5;
  
  /* Semantic Colors (Dark Mode Default) */
  --color-primary: var(--chorus-orchestration-blue);
  --color-secondary: var(--chorus-aluminum-slate);
  --color-success: var(--chorus-harmony-green);
  --color-warning: var(--chorus-resonance-amber);
  --color-error: var(--chorus-alert-coral);
  --color-info: var(--chorus-orchestration-light);
  
  /* Background Hierarchy */
  --bg-primary: var(--chorus-carbon-black);
  --bg-secondary: var(--chorus-carbon-medium);
  --bg-tertiary: var(--chorus-carbon-light);
  --bg-elevated: var(--chorus-carbon-dark);
  
  /* Text Hierarchy */
  --text-primary: #F2F2F7;
  --text-secondary: #A1A1A6;
  --text-tertiary: #6D6D73;
  --text-disabled: #48484A;
  --text-inverse: var(--chorus-carbon-black);
  
  /* Interactive Colors */
  --interactive-primary: var(--chorus-orchestration-blue);
  --interactive-primary-hover: var(--chorus-orchestration-deep);
  --interactive-secondary: var(--chorus-aluminum-metallic);
  --interactive-secondary-hover: var(--chorus-aluminum-slate);
  
  /* Borders */
  --border-primary: #48484A;
  --border-secondary: #2a2a2a;
  --border-accent: var(--chorus-orchestration-blue);
  
  /* Typography Scale */
  --font-display: 'Exo', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', sans-serif;
  --font-interface: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Inter', 'Segoe UI', 'Roboto', sans-serif;
  --font-body: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
  
  /* Responsive Font Sizes */
  --text-hero: clamp(48px, 8vw, 84px);
  --text-display-1: clamp(32px, 5vw, 48px);
  --text-display-2: clamp(24px, 4vw, 36px);
  --text-body-large: 18px;
  --text-body: 16px;
  --text-body-small: 14px;
  --text-interface: 16px;
  --text-interface-small: 14px;
  --text-code: 14px;
  
  /* Line Heights */
  --leading-tight: 1.0;
  --leading-snug: 1.1;
  --leading-normal: 1.2;
  --leading-relaxed: 1.4;
  --leading-loose: 1.5;
  --leading-reading: 1.6;
  
  /* Letter Spacing */
  --tracking-tight: -0.02em;
  --tracking-snug: -0.015em;
  --tracking-normal: 0;
  --tracking-wide: 0.005em;
  --tracking-wider: 0.01em;
  
  /* Spacing Scale */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 48px;
  --space-4xl: 64px;
  --space-5xl: 96px;
  --space-6xl: 128px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-button: 8px;
  --radius-card: 12px;
  --radius-input: 8px;
  --radius-modal: 16px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.25);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.35);
  --shadow-button: 0 2px 8px rgba(0, 122, 255, 0.2);
  --shadow-button-hover: 0 4px 12px rgba(0, 122, 255, 0.3);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.25);
  --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.35);
  --shadow-focus: 0 0 0 3px rgba(0, 122, 255, 0.2);
  
  /* Motion */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 350ms;
  --duration-slower: 500ms;
  
  --easing-linear: linear;
  --easing-ease: ease;
  --easing-ease-in: cubic-bezier(0.4, 0, 1, 1);
  --easing-ease-out: cubic-bezier(0, 0, 0.2, 1);
  --easing-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --easing-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* Account for fixed navigation */
}

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

/* Remove focus outline and add custom focus styles */
button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: none;
}

/* Custom focus ring */
.focus-ring {
  @apply ring-2 ring-chorus-blue ring-opacity-50 ring-offset-2 ring-offset-chorus-charcoal;
}

/* Scrollbar styling for webkit browsers */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--chorus-charcoal);
}

::-webkit-scrollbar-thumb {
  background: var(--chorus-charcoal-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-color-light);
}

/* Selection styling */
::selection {
  background-color: rgba(0, 122, 255, 0.3);
  color: var(--text-primary);
}

::-moz-selection {
  background-color: rgba(0, 122, 255, 0.3);
  color: var(--text-primary);
}

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

/* Base typography settings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--leading-normal);
  letter-spacing: var(--tracking-snug);
  margin: 0;
}

/* Hero Display Typography - Exo Thin for maximum impact */
.text-hero {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 100;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

/* Display Typography Hierarchy */
.text-display-1,
h1 {
  font-family: var(--font-display);
  font-size: var(--text-display-1);
  font-weight: 200;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-snug);
}

.text-display-2,
h2 {
  font-family: var(--font-display);
  font-size: var(--text-display-2);
  font-weight: 300;
  line-height: var(--leading-normal);
  letter-spacing: var(--tracking-snug);
}

/* Interface Typography - SF Pro for UI elements */
.text-interface {
  font-family: var(--font-interface);
  font-size: var(--text-interface);
  font-weight: 500;
  line-height: var(--leading-normal);
  letter-spacing: var(--tracking-wide);
}

.text-interface-small {
  font-family: var(--font-interface);
  font-size: var(--text-interface-small);
  font-weight: 500;
  line-height: var(--leading-normal);
  letter-spacing: var(--tracking-wider);
}

/* Body Typography - Roboto for readability */
.text-body-large {
  font-family: var(--font-body);
  font-size: var(--text-body-large);
  font-weight: 400;
  line-height: var(--leading-reading);
  letter-spacing: var(--tracking-normal);
}

.text-body,
p {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: var(--leading-loose);
  letter-spacing: var(--tracking-normal);
}

.text-body-small {
  font-family: var(--font-body);
  font-size: var(--text-body-small);
  font-weight: 400;
  line-height: var(--leading-relaxed);
  letter-spacing: var(--tracking-wide);
}

/* Technical Typography - Monospace for code */
.text-code,
code,
pre {
  font-family: var(--font-mono);
  font-size: var(--text-code);
  line-height: var(--leading-relaxed);
  letter-spacing: var(--tracking-normal);
}

/* Button Typography */
.text-button {
  font-family: var(--font-body);
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-wider);
}

/* Semantic text colors */
.text-primary {
  color: var(--text-primary);
}

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

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

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

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

/* Utility classes */
.text-gradient {
  background: linear-gradient(135deg, var(--chorus-blue) 0%, var(--chorus-green) 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 5s ease-in-out infinite;
}

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

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  .text-gradient {
    animation: none;
    background-position: 0% 50%;
  }
}

.bg-gradient-chorus {
  background: linear-gradient(135deg, var(--chorus-blue) 0%, var(--chorus-green) 100%);
}

.glass-effect {
  background: rgba(26, 26, 26, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Performance optimizations */
.will-change-transform {
  will-change: transform;
}

.will-change-opacity {
  will-change: opacity;
}

.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* Animation utilities */
.animate-float {
  animation: float 6s ease-in-out infinite;
  will-change: transform;
}

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

.animate-pulse-slow {
  animation: pulse-slow 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-slow {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.animate-slide-up {
  animation: slideUp 0.6s ease-out forwards;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Container utilities */
.container-chorus {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container-chorus {
    padding: 0 2rem;
  }
}

/* =============================================================================
   BUTTON SYSTEM
   ============================================================================= */

.btn-primary {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-interface);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-wider);
  
  background-color: var(--interactive-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-button);
  padding: var(--space-md) var(--space-xl);
  
  box-shadow: var(--shadow-button);
  transition: all var(--duration-normal) var(--easing-ease-out);
  cursor: pointer;
}

.btn-primary:hover {
  background-color: var(--interactive-primary-hover);
  box-shadow: var(--shadow-button-hover);
  transform: translateY(-2px);
}

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

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-button);
}

.btn-secondary {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-interface);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-wider);
  
  background-color: transparent;
  color: var(--interactive-primary);
  border: 2px solid var(--interactive-primary);
  border-radius: var(--radius-button);
  padding: calc(var(--space-md) - 2px) calc(var(--space-xl) - 2px);
  
  transition: all var(--duration-normal) var(--easing-ease-out);
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: var(--interactive-primary);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-button);
}

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

.btn-secondary:active {
  transform: translateY(0);
}

.btn-tertiary {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-interface);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-wider);
  
  background-color: var(--interactive-secondary);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius-button);
  padding: var(--space-md) var(--space-xl);
  
  transition: all var(--duration-normal) var(--easing-ease-out);
  cursor: pointer;
}

.btn-tertiary:hover {
  background-color: var(--interactive-secondary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  font-family: var(--font-interface);
  font-weight: 500;
  font-size: var(--text-interface);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-wider);
  
  background-color: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-button);
  padding: var(--space-md) var(--space-xl);
  
  transition: all var(--duration-normal) var(--easing-ease-out);
  cursor: pointer;
}

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-primary);
  background-color: var(--bg-tertiary);
}

/* Loading states */
.loading-shimmer {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.05),
    transparent
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

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

/* Responsive text utilities */
.text-responsive-xl {
  @apply text-2xl sm:text-3xl md:text-4xl lg:text-5xl xl:text-6xl;
}

.text-responsive-lg {
  @apply text-lg sm:text-xl md:text-2xl lg:text-3xl;
}

.text-responsive-md {
  @apply text-base sm:text-lg md:text-xl;
}

/* Next.js specific overrides */
#__next {
  min-height: 100vh;
}

/* Ant Design customizations */
.ant-layout {
  background: var(--chorus-charcoal) !important;
}

.ant-layout-header {
  background: var(--chorus-charcoal-dark) !important;
  border-bottom: 1px solid var(--border-color);
}

.ant-layout-footer {
  background: var(--chorus-charcoal-dark) !important;
  border-top: 1px solid var(--border-color);
}

/* Custom component spacing */
.section-padding {
  @apply py-16 sm:py-20 md:py-24 lg:py-32;
}

.section-padding-sm {
  @apply py-8 sm:py-12 md:py-16;
}

/* Hide scrollbar but keep functionality */
.hide-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.hide-scrollbar::-webkit-scrollbar {
  display: none;
}

/* Section Navigation Tooltip Styles */
.section-nav-tooltip .ant-tooltip-content {
  background: rgba(26, 26, 26, 0.95) !important;
  backdrop-filter: blur(12px);
}

.section-nav-tooltip .ant-tooltip-inner {
  background: transparent !important;
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

/* Technical Specs Page Styles */
.glass-tabs .ant-tabs-nav {
  background: rgba(26, 26, 26, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 8px;
  margin-bottom: 24px;
}

.glass-tabs .ant-tabs-tab {
  border-radius: 8px !important;
  transition: all 0.3s ease;
}

.glass-tabs .ant-tabs-tab-active {
  background: rgba(0, 122, 255, 0.2) !important;
  border-color: transparent !important;
}

.glass-tabs .ant-tabs-tab:hover {
  background: rgba(255, 255, 255, 0.05) !important;
}

.glass-search .ant-input {
  background: rgba(26, 26, 26, 0.8) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  color: #ffffff !important;
}

.glass-search .ant-input:focus {
  border-color: var(--chorus-blue) !important;
  box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.2) !important;
}

.glass-search .ant-input::placeholder {
  color: #6d6d6d !important;
}

/* Table customizations for technical specs */
.ant-table-thead > tr > th {
  background: rgba(42, 42, 42, 0.8) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
  color: #ffffff !important;
  font-weight: 600;
}

.ant-table-tbody > tr > td {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
}

.ant-table-tbody > tr:hover > td {
  background: rgba(255, 255, 255, 0.02) !important;
}

/* Progress bar customizations */
.ant-progress-bg {
  background: linear-gradient(135deg, var(--chorus-blue) 0%, var(--chorus-green) 100%) !important;
}

/* Collapse panel customizations */
.ant-collapse-ghost > .ant-collapse-item > .ant-collapse-header {
  background: rgba(42, 42, 42, 0.5);
  border-radius: 8px;
  margin-bottom: 8px;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.ant-collapse-ghost > .ant-collapse-item > .ant-collapse-content > .ant-collapse-content-box {
  background: rgba(26, 26, 26, 0.5);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: 8px;
}

/* Badge customizations */
.ant-badge-status-success {
  background-color: var(--chorus-green) !important;
}

/* Tag customizations for technical specs */
.ant-tag {
  border-radius: 6px;
  font-weight: 500;
  padding: 2px 8px;
}

/* Description list customizations */
.ant-descriptions-bordered .ant-descriptions-row > th,
.ant-descriptions-bordered .ant-descriptions-row > td {
  border-color: rgba(255, 255, 255, 0.1) !important;
}

.ant-descriptions-bordered .ant-descriptions-row > th {
  background: rgba(42, 42, 42, 0.5) !important;
  color: #ffffff !important;
  font-weight: 600;
}

.ant-descriptions-bordered .ant-descriptions-row > td {
  background: rgba(26, 26, 26, 0.3) !important;
  color: #ffffff !important;
}