/* ==========================================================================
   YK PHOTO RESIZE 2.0 — UNIFIED GLOBAL THEME & DESIGN TOKENS
   Inspired by Apple, Linear, Raycast, Vercel & Framer aesthetics.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  /* Color Palette - Deep Obsidian & Futuristic Neon */
  --yk-bg-void: #06070a;
  --yk-bg-base: #0a0c10;
  --yk-bg-surface: #10131a;
  --yk-bg-surface-elevated: #161b24;
  --yk-bg-surface-hover: #1c222e;
  
  /* Borders & Dividers */
  --yk-border-subtle: rgba(255, 255, 255, 0.07);
  --yk-border-medium: rgba(255, 255, 255, 0.12);
  --yk-border-glow: rgba(0, 240, 255, 0.35);
  
  /* Accents */
  --yk-cyan: #00f0ff;
  --yk-cyan-dim: rgba(0, 240, 255, 0.15);
  --yk-indigo: #6366f1;
  --yk-indigo-dim: rgba(99, 102, 241, 0.15);
  --yk-violet: #a855f7;
  --yk-violet-dim: rgba(168, 85, 247, 0.15);
  --yk-emerald: #10b981;
  --yk-emerald-dim: rgba(16, 185, 129, 0.15);
  --yk-rose: #f43f5e;
  --yk-amber: #f59e0b;
  
  /* Typography Colors */
  --yk-text-pure: #ffffff;
  --yk-text-primary: #f1f5f9;
  --yk-text-secondary: #94a3b8;
  --yk-text-muted: #64748b;
  
  /* Typography Families */
  --yk-font-display: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
  --yk-font-body: 'Inter', -apple-system, sans-serif;
  --yk-font-mono: 'Geist', 'JetBrains Mono', monospace;
  
  /* Shadows & Glows */
  --yk-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --yk-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.6);
  --yk-shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.8);
  --yk-glow-cyan: 0 0 35px rgba(0, 240, 255, 0.22);
  --yk-glow-indigo: 0 0 35px rgba(99, 102, 241, 0.25);
  
  /* Radii */
  --yk-radius-sm: 8px;
  --yk-radius-md: 14px;
  --yk-radius-lg: 20px;
  --yk-radius-xl: 28px;
  --yk-radius-full: 9999px;
  
  /* Transitions */
  --yk-ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --yk-transition-fast: 150ms var(--yk-ease-spring);
  --yk-transition-base: 250ms var(--yk-ease-spring);
  --yk-transition-slow: 400ms var(--yk-ease-spring);
}

/* Reset & Base Rules */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  background-color: var(--yk-bg-void);
  color: var(--yk-text-primary);
  font-family: var(--yk-font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background-color: var(--yk-bg-base);
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.15), transparent 70%),
    radial-gradient(ellipse 60% 40% at 90% 20%, rgba(0, 240, 255, 0.08), transparent 60%),
    radial-gradient(ellipse 50% 30% at 10% 80%, rgba(168, 85, 247, 0.08), transparent 50%);
  background-attachment: fixed;
  color: var(--yk-text-primary);
  overflow-x: hidden;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--yk-bg-base);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 240, 255, 0.4);
}

/* Reusable Glass Cards */
.yk-glass {
  background: rgba(16, 19, 26, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--yk-border-subtle);
  border-radius: var(--yk-radius-md);
  box-shadow: var(--yk-shadow-md);
}

.yk-glass-elevated {
  background: rgba(22, 27, 36, 0.8);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--yk-border-medium);
  border-radius: var(--yk-radius-lg);
  box-shadow: var(--yk-shadow-lg);
}

.yk-glass-glow {
  background: rgba(16, 19, 26, 0.75);
  backdrop-filter: blur(20px);
  border: 1px solid var(--yk-border-medium);
  box-shadow: var(--yk-shadow-md), var(--yk-glow-cyan);
}

/* Interactive Buttons */
.yk-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  background: linear-gradient(135deg, #00f0ff 0%, #00a8ff 100%);
  color: #050811;
  font-family: var(--yk-font-display);
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: var(--yk-radius-md);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(0, 240, 255, 0.35);
  transition: all var(--yk-transition-base);
  text-decoration: none;
}

.yk-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 240, 255, 0.55);
  filter: brightness(1.08);
}

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

.yk-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--yk-text-primary);
  font-family: var(--yk-font-body);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--yk-radius-md);
  border: 1px solid var(--yk-border-medium);
  backdrop-filter: blur(12px);
  cursor: pointer;
  transition: all var(--yk-transition-base);
  text-decoration: none;
}

.yk-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--yk-text-pure);
  transform: translateY(-2px);
}

.yk-btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  background: transparent;
  color: var(--yk-text-secondary);
  font-weight: 500;
  font-size: 0.875rem;
  border-radius: var(--yk-radius-sm);
  border: none;
  cursor: pointer;
  transition: color var(--yk-transition-fast), background var(--yk-transition-fast);
  text-decoration: none;
}

.yk-btn-ghost:hover {
  color: var(--yk-text-pure);
  background: rgba(255, 255, 255, 0.06);
}

/* Badges & Status Pills */
.yk-badge-cyan {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--yk-cyan-dim);
  color: var(--yk-cyan);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: var(--yk-radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.yk-badge-indigo {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--yk-indigo-dim);
  color: #818cf8;
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--yk-radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.yk-badge-emerald {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--yk-emerald-dim);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--yk-radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

/* Form Inputs */
.yk-input {
  width: 100%;
  padding: 10px 14px;
  background: rgba(10, 12, 16, 0.8);
  border: 1px solid var(--yk-border-medium);
  border-radius: var(--yk-radius-sm);
  color: var(--yk-text-primary);
  font-family: var(--yk-font-body);
  font-size: 0.875rem;
  transition: all var(--yk-transition-fast);
  outline: none;
}

.yk-input:focus {
  border-color: var(--yk-cyan);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15);
}

.yk-input::placeholder {
  color: var(--yk-text-muted);
}

/* Dropdown Selects */
.yk-select {
  appearance: none;
  background: rgba(10, 12, 16, 0.8) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E") no-repeat right 12px center;
  background-size: 16px 16px;
  padding: 10px 38px 10px 14px;
  border: 1px solid var(--yk-border-medium);
  border-radius: var(--yk-radius-sm);
  color: var(--yk-text-primary);
  font-family: var(--yk-font-body);
  font-size: 0.875rem;
  outline: none;
  cursor: pointer;
}

.yk-select:focus {
  border-color: var(--yk-cyan);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15);
}

/* Grid Line Canvas Overlay */
.yk-grid-bg {
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
}

/* Gradient Text */
.yk-gradient-text {
  background: linear-gradient(135deg, #ffffff 30%, #a5b4fc 70%, #00f0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.yk-gradient-text-cyan {
  background: linear-gradient(135deg, #00f0ff 0%, #6366f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Animations */
@keyframes yk-float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(0.5deg); }
}

@keyframes yk-pulse-glow {
  0%, 100% { opacity: 0.4; filter: blur(20px); }
  50% { opacity: 0.75; filter: blur(28px); }
}

.yk-animate-float {
  animation: yk-float 6s ease-in-out infinite;
}

.yk-animate-pulse-glow {
  animation: yk-pulse-glow 4s ease-in-out infinite;
}

/* Reduced Motion Safeguard */
@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;
  }
}