/**
 * I AM SUCCESSFUL - Design System Tokens & Component Classes
 * Version: 2.1.0 (Production)
 * Architecture: Primitive -> Semantic -> Component (3-Layer Hierarchy)
 * Aesthetic: Ultra-Clean Minimalist Studio Gallery (Obsidian & Electric Cobalt)
 */

:root {
  /* ==========================================================================
     1. PRIMITIVE TOKENS (Raw Foundation Values)
     ========================================================================== */
  
  /* Colors - Base Monochrome */
  --primitive-color-white: #ffffff;
  --primitive-color-black: #000000;
  
  /* Colors - Zinc Neutral Scale */
  --primitive-color-zinc-50: #fafafa;
  --primitive-color-zinc-100: #f4f4f5;
  --primitive-color-zinc-200: #e4e4e7;
  --primitive-color-zinc-300: #d4d4d8;
  --primitive-color-zinc-400: #a1a1aa;
  --primitive-color-zinc-500: #71717a;
  --primitive-color-zinc-600: #52525b;
  --primitive-color-zinc-700: #3f3f46;
  --primitive-color-zinc-800: #27272a;
  --primitive-color-zinc-900: #18181b;
  --primitive-color-zinc-950: #09090b;

  /* Colors - Electric Cobalt (Brand Signature & Tier 1 Verified) */
  --primitive-color-cobalt-50: #eff6ff;
  --primitive-color-cobalt-100: #dbeafe;
  --primitive-color-cobalt-200: #bfdbfe;
  --primitive-color-cobalt-300: #93c5fd;
  --primitive-color-cobalt-400: #60a5fa;
  --primitive-color-cobalt-500: #3b82f6;
  --primitive-color-cobalt-600: #2563eb;
  --primitive-color-cobalt-700: #1d4ed8;
  --primitive-color-cobalt-800: #1e40af;
  --primitive-color-cobalt-900: #1e3a8a;

  /* Colors - Emerald (Tier 2 Call-Sheet Credit & Availability) */
  --primitive-color-emerald-50: #ecfdf5;
  --primitive-color-emerald-100: #d1fae5;
  --primitive-color-emerald-200: #a7f3d0;
  --primitive-color-emerald-500: #10b981;
  --primitive-color-emerald-600: #059669;
  --primitive-color-emerald-700: #047857;

  /* Colors - Amber (Warning & In-Production Busy) */
  --primitive-color-amber-50: #fffbeb;
  --primitive-color-amber-100: #fef3c7;
  --primitive-color-amber-200: #fde68a;
  --primitive-color-amber-400: #fbbf24;
  --primitive-color-amber-500: #f59e0b;
  --primitive-color-amber-600: #d97706;

  /* Colors - Rose / Red (Errors, Rejections & Destructive Actions) */
  --primitive-color-rose-50: #fef2f2;
  --primitive-color-rose-100: #fee2e2;
  --primitive-color-rose-200: #fecaca;
  --primitive-color-rose-500: #ef4444;
  --primitive-color-rose-600: #dc2626;
  --primitive-color-rose-700: #b91c1c;

  /* Colors - Purple (Tier 3 Curated Editorial Review) */
  --primitive-color-purple-50: #faf5ff;
  --primitive-color-purple-100: #f3e8ff;
  --primitive-color-purple-200: #e9d5ff;
  --primitive-color-purple-500: #a855f7;
  --primitive-color-purple-600: #9333ea;
  --primitive-color-purple-700: #7e22ce;

  /* Typography Families */
  --primitive-font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --primitive-font-mono: 'JetBrains Mono', monospace;

  /* Typography Scale */
  --primitive-text-2xs: 0.6875rem; /* 11px */
  --primitive-text-xs: 0.75rem;     /* 12px */
  --primitive-text-sm: 0.875rem;    /* 14px */
  --primitive-text-base: 1rem;       /* 16px */
  --primitive-text-lg: 1.125rem;    /* 18px */
  --primitive-text-xl: 1.25rem;     /* 20px */
  --primitive-text-2xl: 1.5rem;     /* 24px */
  --primitive-text-3xl: 1.875rem;   /* 30px */
  --primitive-text-4xl: 2.25rem;    /* 36px */
  --primitive-text-5xl: 3rem;       /* 48px */

  /* Typography Weights */
  --primitive-weight-normal: 400;
  --primitive-weight-medium: 500;
  --primitive-weight-semibold: 600;
  --primitive-weight-bold: 700;
  --primitive-weight-extrabold: 800;

  /* Typography Line Heights */
  --primitive-leading-none: 1;
  --primitive-leading-tight: 1.15;
  --primitive-leading-snug: 1.35;
  --primitive-leading-normal: 1.5;
  --primitive-leading-relaxed: 1.625;

  /* Spatial Scale (4px Geometric Rhythm) */
  --primitive-space-0: 0px;
  --primitive-space-1: 0.25rem;  /* 4px */
  --primitive-space-2: 0.5rem;   /* 8px */
  --primitive-space-3: 0.75rem;  /* 12px */
  --primitive-space-4: 1rem;     /* 16px */
  --primitive-space-5: 1.25rem;  /* 20px */
  --primitive-space-6: 1.5rem;   /* 24px */
  --primitive-space-8: 2rem;     /* 32px */
  --primitive-space-10: 2.5rem;  /* 40px */
  --primitive-space-12: 3rem;    /* 48px */
  --primitive-space-16: 4rem;    /* 64px */
  --primitive-space-20: 5rem;    /* 80px */
  --primitive-space-24: 6rem;    /* 96px */

  /* Border Radii (4px Scaled) */
  --primitive-radius-none: 0px;
  --primitive-radius-sm: 0.25rem;  /* 4px */
  --primitive-radius-md: 0.5rem;   /* 8px */
  --primitive-radius-lg: 0.75rem;  /* 12px */
  --primitive-radius-xl: 1rem;     /* 16px */
  --primitive-radius-2xl: 1.5rem;  /* 24px */
  --primitive-radius-full: 9999px;

  /* Shadows & Elevation */
  --primitive-shadow-subtle: 0 1px 3px 0 rgba(0, 0, 0, 0.04), 0 1px 2px -1px rgba(0, 0, 0, 0.02);
  --primitive-shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.03);
  --primitive-shadow-hover: 0 16px 32px -4px rgba(0, 0, 0, 0.08), 0 6px 12px -3px rgba(0, 0, 0, 0.04);
  --primitive-shadow-modal: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --primitive-shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.22);
  --primitive-shadow-error: 0 0 0 3px rgba(239, 68, 68, 0.2);

  /* Animation Timings */
  --primitive-transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --primitive-transition-normal: 250ms cubic-bezier(0.16, 1, 0.3, 1);
  --primitive-transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Media Aspect Ratios */
  --media-ratio-portrait: 4 / 5;   /* Casting headshots, model comp-cards */
  --media-ratio-video: 16 / 9;     /* 4K showreels, video embeds */
  --media-ratio-artwork: 4 / 3;    /* Photography stills, landscape artwork */
  --media-ratio-square: 1 / 1;     /* Square thumbnails, profile avatars */

  /* Responsive Layout Maximum Widths & Gutters */
  --layout-max-width-page: 1440px;
  --layout-max-width-form: 1280px;
  --layout-max-width-article: 768px;
  --layout-gutter-desktop: 24px;
  --layout-gutter-tablet: 16px;
  --layout-gutter-mobile: 12px;
  --layout-section-spacing: 48px;

  /* ==========================================================================
     2. SEMANTIC TOKENS (Contextual Light-Theme Aliases)
     ========================================================================== */
  
  /* Canvas & Surfaces */
  --color-canvas-default: var(--primitive-color-white);
  --color-canvas-subtle: var(--primitive-color-zinc-50);
  --color-canvas-muted: var(--primitive-color-zinc-100);

  --color-surface-card: var(--primitive-color-white);
  --color-surface-card-hover: var(--primitive-color-zinc-50);
  --color-surface-overlay: rgba(9, 9, 11, 0.6);

  /* Text & Content */
  --color-text-primary: var(--primitive-color-zinc-950);
  --color-text-secondary: var(--primitive-color-zinc-600);
  --color-text-muted: var(--primitive-color-zinc-400);
  --color-text-inverted: var(--primitive-color-white);

  /* Borders & Dividers */
  --color-border-subtle: var(--primitive-color-zinc-200);
  --color-border-hover: var(--primitive-color-zinc-300);
  --color-border-strong: var(--primitive-color-zinc-400);
  --color-border-focus: var(--primitive-color-cobalt-600);

  /* Brand Signatures */
  --color-brand-primary: var(--primitive-color-zinc-950);
  --color-brand-primary-hover: var(--primitive-color-zinc-800);
  --color-brand-accent: var(--primitive-color-cobalt-600);
  --color-brand-accent-hover: var(--primitive-color-cobalt-700);
  --color-brand-accent-subtle: var(--primitive-color-cobalt-50);

  /* Complete 4-State Status Tokens (Light Mode) */
  --color-status-success: var(--primitive-color-emerald-500);
  --color-status-success-subtle: var(--primitive-color-emerald-50);
  --color-status-success-border: var(--primitive-color-emerald-200);

  --color-status-warning: var(--primitive-color-amber-500);
  --color-status-warning-subtle: var(--primitive-color-amber-50);
  --color-status-warning-border: var(--primitive-color-amber-200);

  --color-status-error: var(--primitive-color-rose-500);
  --color-status-error-subtle: var(--primitive-color-rose-50);
  --color-status-error-border: var(--primitive-color-rose-200);

  --color-status-info: var(--primitive-color-cobalt-600);
  --color-status-info-subtle: var(--primitive-color-cobalt-50);
  --color-status-info-border: var(--primitive-color-cobalt-200);

  /* Verified Trust Tier Badges (Visual Specs) */
  --color-badge-identity: var(--primitive-color-cobalt-600);
  --color-badge-identity-subtle: var(--primitive-color-cobalt-50);
  --color-badge-identity-border: var(--primitive-color-cobalt-200);

  --color-badge-credit: var(--primitive-color-emerald-600);
  --color-badge-credit-subtle: var(--primitive-color-emerald-50);
  --color-badge-credit-border: var(--primitive-color-emerald-200);

  --color-badge-review: var(--primitive-color-purple-600);
  --color-badge-review-subtle: var(--primitive-color-purple-50);
  --color-badge-review-border: var(--primitive-color-purple-200);

  /* Functional Status */
  --color-status-verified: var(--primitive-color-cobalt-600);
  --color-status-available: var(--primitive-color-emerald-500);
  --color-status-busy: var(--primitive-color-amber-500);

  /* ==========================================================================
     3. COMPONENT TOKENS (Element-Specific Bindings)
     ========================================================================== */
  
  /* Talent Profile Card */
  --talent-card-bg: var(--color-surface-card);
  --talent-card-border: 1px solid var(--color-border-subtle);
  --talent-card-radius: var(--primitive-radius-2xl);
  --talent-card-padding: var(--primitive-space-4);
  --talent-card-shadow: var(--primitive-shadow-card);
  --talent-card-shadow-hover: var(--primitive-shadow-hover);
  --talent-card-media-ratio: var(--media-ratio-portrait);
  --talent-card-media-radius: var(--primitive-radius-xl);

  /* Verified Badge */
  --badge-verified-bg: var(--color-brand-accent);
  --badge-verified-color: var(--primitive-color-white);

  /* Skill Chip */
  --chip-skill-bg: var(--primitive-color-zinc-100);
  --chip-skill-color: var(--primitive-color-zinc-700);
  --chip-skill-border: 1px solid var(--primitive-color-zinc-200);
  --chip-skill-radius: var(--primitive-radius-full);

  /* Buttons */
  --btn-primary-bg: var(--color-brand-primary);
  --btn-primary-color: var(--color-text-inverted);
  --btn-primary-hover: var(--color-brand-primary-hover);
  --btn-radius: var(--primitive-radius-lg);

  --btn-secondary-bg: var(--primitive-color-white);
  --btn-secondary-color: var(--color-text-primary);
  --btn-secondary-border: 1px solid var(--color-border-subtle);
  --btn-secondary-hover: var(--primitive-color-zinc-100);
}

/* ==========================================================================
   4. DARK MODE OVERRIDES (Semantic Theme Layer)
   ========================================================================== */
[data-theme="dark"] {
  --color-canvas-default: #09090b;
  --color-canvas-subtle: #121215;
  --color-canvas-muted: #18181b;

  --color-surface-card: #121215;
  --color-surface-card-hover: #18181b;
  --color-surface-overlay: rgba(0, 0, 0, 0.8);

  --color-text-primary: #f4f4f5;
  --color-text-secondary: #a1a1aa;
  --color-text-muted: #71717a;
  --color-text-inverted: #09090b;

  --color-border-subtle: #27272a;
  --color-border-hover: #3f3f46;
  --color-border-strong: #52525b;

  --color-brand-primary: #f4f4f5;
  --color-brand-primary-hover: #ffffff;
  --color-brand-accent: #3b82f6;
  --color-brand-accent-hover: #60a5fa;
  --color-brand-accent-subtle: rgba(59, 130, 246, 0.15);

  /* Status Colors (Dark Theme Adjustments) */
  --color-status-success: #34d399;
  --color-status-success-subtle: rgba(16, 185, 129, 0.15);
  --color-status-success-border: rgba(16, 185, 129, 0.3);

  --color-status-warning: #fbbf24;
  --color-status-warning-subtle: rgba(245, 158, 11, 0.15);
  --color-status-warning-border: rgba(245, 158, 11, 0.3);

  --color-status-error: #f87171;
  --color-status-error-subtle: rgba(239, 68, 68, 0.15);
  --color-status-error-border: rgba(239, 68, 68, 0.3);

  --color-status-info: #60a5fa;
  --color-status-info-subtle: rgba(37, 99, 235, 0.15);
  --color-status-info-border: rgba(37, 99, 235, 0.3);

  /* Trust Badges (Dark Mode) */
  --color-badge-identity: #60a5fa;
  --color-badge-identity-subtle: rgba(37, 99, 235, 0.15);
  --color-badge-identity-border: rgba(37, 99, 235, 0.3);

  --color-badge-credit: #34d399;
  --color-badge-credit-subtle: rgba(16, 185, 129, 0.15);
  --color-badge-credit-border: rgba(16, 185, 129, 0.3);

  --color-badge-review: #c084fc;
  --color-badge-review-subtle: rgba(168, 85, 247, 0.15);
  --color-badge-review-border: rgba(168, 85, 247, 0.3);

  --chip-skill-bg: #1e1e24;
  --chip-skill-color: #d4d4d8;
  --chip-skill-border: 1px solid #2d2d35;

  --btn-primary-bg: #ffffff;
  --btn-primary-color: #09090b;
  --btn-primary-hover: #e4e4e7;

  --btn-secondary-bg: #18181b;
  --btn-secondary-color: #f4f4f5;
  --btn-secondary-border: 1px solid #27272a;
  --btn-secondary-hover: #27272a;

  --talent-card-shadow: 0 4px 12px 0 rgba(0, 0, 0, 0.4);
  --talent-card-shadow-hover: 0 16px 36px 0 rgba(0, 0, 0, 0.6);
}

/* ==========================================================================
   5. COMPLETE COMPONENT INTERACTIVE STATES (A through G)
   ========================================================================== */

/* State 1: Default / Rest */
.interactive-element {
  transition: all var(--primitive-transition-fast);
  outline: none;
}

/* State 2: Hover */
.interactive-element:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

/* State 3: Focus-Visible (WCAG 2.1 AA Keyboard Access) */
:focus-visible {
  outline: none !important;
  box-shadow: var(--primitive-shadow-focus) !important;
}

/* State 4: Active / Pressed */
.interactive-element:active {
  transform: scale(0.98);
}

/* State 5: Disabled */
:disabled,
.is-disabled {
  opacity: 0.5 !important;
  cursor: not-allowed !important;
  pointer-events: none !important;
  box-shadow: none !important;
}

/* State 6: Loading & Shimmer Placeholder */
.is-loading,
.skeleton-shimmer {
  background: linear-gradient(90deg, var(--color-canvas-muted) 25%, var(--color-border-subtle) 50%, var(--color-canvas-muted) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--primitive-radius-md);
  color: transparent !important;
  pointer-events: none;
}

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

/* State 7: Success State */
.is-success,
.input-success {
  border-color: var(--color-status-success) !important;
  background-color: var(--color-status-success-subtle);
}

/* State 8: Error / Invalid State */
.is-error,
.input-error,
[aria-invalid="true"] {
  border-color: var(--color-status-error) !important;
  background-color: var(--color-status-error-subtle);
}

.input-error:focus-visible,
[aria-invalid="true"]:focus-visible {
  box-shadow: var(--primitive-shadow-error) !important;
}

.form-error-msg {
  font-size: var(--primitive-text-xs);
  color: var(--color-status-error);
  font-weight: var(--primitive-weight-semibold);
  margin-top: var(--primitive-space-1);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* State 9: Empty State Container */
.empty-state-box {
  text-align: center;
  padding: var(--primitive-space-12) var(--primitive-space-6);
  background: var(--color-surface-card);
  border: 1px dashed var(--color-border-subtle);
  border-radius: var(--primitive-radius-2xl);
  color: var(--color-text-secondary);
}

.empty-state-icon {
  font-size: 36px;
  margin-bottom: var(--primitive-space-3);
  opacity: 0.8;
}

/* State 10: Offline / Network Reconnect Banner */
.offline-banner {
  background: var(--color-brand-primary);
  color: var(--color-text-inverted);
  padding: 8px 16px;
  font-size: var(--primitive-text-xs);
  font-weight: var(--primitive-weight-semibold);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* ==========================================================================
   6. ACCESSIBILITY & MOTION SAFETY (WCAG 2.1 AA)
   ========================================================================== */

/* Motion Reduction for vestibular safety */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Screen Reader Accessible Only Utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ==========================================================================
   7. CORE UI COMPONENTS (The Talent Card, Badges, Buttons)
   ========================================================================== */

.talent-card {
  background-color: var(--talent-card-bg);
  border: var(--talent-card-border);
  border-radius: var(--talent-card-radius);
  padding: var(--talent-card-padding);
  box-shadow: var(--talent-card-shadow);
  transition: transform var(--primitive-transition-normal), box-shadow var(--primitive-transition-normal), border-color var(--primitive-transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.talent-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--talent-card-shadow-hover);
  border-color: var(--color-border-hover);
}

.talent-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: var(--talent-card-media-ratio);
  border-radius: var(--talent-card-media-radius);
  overflow: hidden;
  background-color: var(--primitive-color-zinc-100);
}

.talent-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--primitive-transition-slow);
}

.talent-card:hover .talent-card-media img {
  transform: scale(1.04);
}

/* Floating Status Dots */
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-status-available);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.3);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.15); }
}

/* Verification Badge Standard Variants */
.badge-tier {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: var(--primitive-text-xs);
  font-weight: var(--primitive-weight-semibold);
  padding: 3px 10px;
  border-radius: var(--primitive-radius-full);
}

.badge-tier.identity {
  background: var(--color-badge-identity-subtle);
  color: var(--color-badge-identity);
  border: 1px solid var(--color-badge-identity-border);
}

.badge-tier.credit {
  background: var(--color-badge-credit-subtle);
  color: var(--color-badge-credit);
  border: 1px solid var(--color-badge-credit-border);
}

.badge-tier.review {
  background: var(--color-badge-review-subtle);
  color: var(--color-badge-review);
  border: 1px solid var(--color-badge-review-border);
}

/* Action Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: var(--primitive-text-xs);
  font-weight: var(--primitive-weight-semibold);
  border-radius: var(--btn-radius);
  cursor: pointer;
  transition: all var(--primitive-transition-fast);
  border: none;
  text-decoration: none;
  white-space: nowrap;
  min-height: 38px;
}

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

.btn-primary:hover {
  background: var(--btn-primary-hover);
  transform: translateY(-1px);
}

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

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