/* ============================================================
   KORI DESIGN SYSTEM v1.1
   Canonical design tokens & utilities for the Koriverse
   Source of truth: pomkori.fun styles.css
   ============================================================ */

/* ──────────────────────────────────────────────────────────────
   1. COLOR TOKENS — DARK MODE (default)
   ────────────────────────────────────────────────────────────── */
:root {
  --kori-surface:          #000000;
  --kori-surface-secondary: rgba(255, 255, 255, 0.05);
  --kori-surface-tertiary:  rgba(255, 255, 255, 0.02);
  --kori-surface-elevated:  rgba(255, 255, 255, 0.08);
  --kori-content:          #ffffff;
  --kori-content-muted:    rgba(255, 255, 255, 0.7);
  --kori-content-subtle:   rgba(255, 255, 255, 0.5);
  --kori-content-inverse:  #000000;
  --kori-border:           rgba(255, 255, 255, 0.2);
  --kori-border-muted:     rgba(255, 255, 255, 0.1);
  --kori-border-accent:    rgba(255, 255, 255, 0.3);
  --kori-purple:           #a855f7;
  --kori-pink:             #ec4899;
  --kori-cyan:             #22d3ee;
  --kori-yellow:           #fbbf24;
  --kori-green:            #4ade80;
  --kori-purple-muted:     rgba(168, 85, 247, 0.4);
  --kori-purple-subtle:    rgba(168, 85, 247, 0.15);
  --kori-pink-muted:       rgba(236, 72, 153, 0.4);
  --kori-pink-subtle:      rgba(236, 72, 153, 0.15);
  --kori-cyan-muted:       rgba(34, 211, 238, 0.4);
  --kori-cyan-subtle:      rgba(34, 211, 238, 0.15);
  --kori-yellow-muted:     rgba(251, 191, 36, 0.4);
  --kori-yellow-subtle:    rgba(251, 191, 36, 0.15);
  --kori-card-bg:          rgba(255, 255, 255, 0.05);
  --kori-card-bg-hover:    rgba(255, 255, 255, 0.08);
  --kori-overlay:          rgba(0, 0, 0, 0.5);
  --kori-overlay-heavy:    rgba(0, 0, 0, 0.8);
  --kori-input-bg:         rgba(255, 255, 255, 0.1);
  --kori-hero-bg:          #0a0015;
  --kori-scrollbar-track:  #0a0015;
  --kori-gradient-brand:   linear-gradient(90deg, var(--kori-purple), var(--kori-pink));
  --kori-gradient-brand-135: linear-gradient(135deg, var(--kori-purple-subtle), var(--kori-pink-subtle));
  --kori-gradient-text:    linear-gradient(90deg, var(--kori-purple), var(--kori-pink), var(--kori-cyan));
  --kori-font-display:     'Clash Display', 'General Sans', sans-serif;
  --kori-font-body:        'General Sans', 'Inter', sans-serif;
  --kori-font-mono:        'JetBrains Mono', 'Fira Code', monospace;
  --kori-text-xs: 0.75rem; --kori-text-sm: 0.875rem; --kori-text-base: 1rem;
  --kori-text-lg: 1.125rem; --kori-text-xl: 1.5rem; --kori-text-2xl: 2rem;
  --kori-text-3xl: 2.5rem; --kori-text-4xl: 3.5rem;
  --kori-space-xs: 4px; --kori-space-sm: 8px; --kori-space-md: 16px;
  --kori-space-lg: 24px; --kori-space-xl: 40px; --kori-space-2xl: 64px; --kori-space-3xl: 96px;
  --kori-radius-sm: 8px; --kori-radius-md: 12px; --kori-radius-lg: 20px;
  --kori-radius-xl: 24px; --kori-radius-pill: 9999px;
  --kori-ease: cubic-bezier(0.4, 0, 0.2, 1); --kori-duration: 0.3s;
}

/* ── LIGHT MODE ── */
.light-mode {
  --kori-surface: #f8fafc; --kori-surface-secondary: rgba(0,0,0,0.03);
  --kori-surface-tertiary: rgba(0,0,0,0.01); --kori-surface-elevated: #ffffff;
  --kori-content: #0f172a; --kori-content-muted: rgba(15,23,42,0.7);
  --kori-content-subtle: rgba(15,23,42,0.5); --kori-content-inverse: #ffffff;
  --kori-border: rgba(0,0,0,0.15); --kori-border-muted: rgba(0,0,0,0.08);
  --kori-border-accent: rgba(0,0,0,0.2);
  --kori-purple-muted: rgba(168,85,247,0.3); --kori-purple-subtle: rgba(168,85,247,0.1);
  --kori-pink-muted: rgba(236,72,153,0.3); --kori-pink-subtle: rgba(236,72,153,0.1);
  --kori-cyan-muted: rgba(34,211,238,0.3); --kori-cyan-subtle: rgba(34,211,238,0.1);
  --kori-yellow-muted: rgba(251,191,36,0.3); --kori-yellow-subtle: rgba(251,191,36,0.1);
  --kori-card-bg: rgba(0,0,0,0.02); --kori-card-bg-hover: rgba(0,0,0,0.05);
  --kori-overlay: rgba(255,255,255,0.6); --kori-overlay-heavy: rgba(255,255,255,0.85);
  --kori-input-bg: rgba(0,0,0,0.05); --kori-hero-bg: #f1f5f9; --kori-scrollbar-track: #e2e8f0;
}

/* ── RESET ── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body{font-family:var(--kori-font-body);background:var(--kori-surface);color:var(--kori-content);font-size:var(--kori-text-base);line-height:1.6;overflow-x:hidden}

/* ── TYPOGRAPHY ── */
h1,h2,h3,h4,h5,h6{font-family:var(--kori-font-display);letter-spacing:0.03em;font-weight:300;line-height:1.1;color:var(--kori-content)}
h1{font-size:var(--kori-text-4xl)} h2{font-size:var(--kori-text-3xl)} h3{font-size:var(--kori-text-2xl)} h4{font-size:var(--kori-text-xl)}
p{line-height:1.8;letter-spacing:-0.005em}
.kori-text-gradient{background:var(--kori-gradient-text);background-size:200% 100%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:kori-gradient-shift 8s linear infinite}
@keyframes kori-gradient-shift{0%{background-position:0% 50%}100%{background-position:200% 50%}}
.kori-label{font-family:var(--kori-font-display);font-size:var(--kori-text-xs);font-weight:600;letter-spacing:0.1em;text-transform:uppercase;color:var(--kori-content-subtle)}

/* ── CARDS ── */
.kori-card{background:var(--kori-card-bg);border:1px solid var(--kori-border-muted);border-radius:var(--kori-radius-lg);padding:var(--kori-space-xl);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:background var(--kori-duration) var(--kori-ease)}
.kori-card:hover{background:var(--kori-card-bg-hover)}
.kori-card-purple{background:linear-gradient(to bottom right,var(--kori-purple-subtle),var(--kori-pink-subtle));border:2px solid var(--kori-purple-muted);border-radius:var(--kori-radius-lg);padding:var(--kori-space-xl)}
.kori-card-cyan{background:linear-gradient(to bottom right,var(--kori-cyan-subtle),var(--kori-purple-subtle));border:2px solid var(--kori-cyan-muted);border-radius:var(--kori-radius-lg);padding:var(--kori-space-xl)}
.kori-card-pink{background:linear-gradient(to bottom right,var(--kori-pink-subtle),var(--kori-purple-subtle));border:2px solid var(--kori-pink-muted);border-radius:var(--kori-radius-lg);padding:var(--kori-space-xl)}
.kori-glass{background:var(--kori-surface-elevated);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--kori-border-muted);border-radius:var(--kori-radius-lg)}

/* ── BUTTONS ── */
.kori-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--kori-space-sm);padding:14px 32px;font-family:var(--kori-font-body);font-size:var(--kori-text-base);font-weight:600;border-radius:var(--kori-radius-md);border:none;cursor:pointer;text-decoration:none;transition:all var(--kori-duration) var(--kori-ease)}
.kori-btn-primary{background:var(--kori-gradient-brand);color:#fff}
.kori-btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 20px rgba(168,85,247,0.3)}
.kori-btn-secondary{background:var(--kori-surface-secondary);border:1px solid var(--kori-border);color:var(--kori-content)}
.kori-btn-secondary:hover{background:var(--kori-surface-elevated);transform:translateY(-1px)}
.kori-btn-ghost{background:transparent;color:var(--kori-content-muted);border:1px solid var(--kori-border-muted)}
.kori-btn-ghost:hover{background:var(--kori-surface-secondary);color:var(--kori-content)}
.kori-btn-sm{padding:10px 20px;font-size:var(--kori-text-sm)}

/* ── INPUTS ── */
.kori-input{background:var(--kori-input-bg);border:1px solid var(--kori-border);color:var(--kori-content);border-radius:var(--kori-radius-md);padding:10px 16px;font-family:var(--kori-font-body);font-size:var(--kori-text-sm);outline:none;transition:border-color var(--kori-duration) var(--kori-ease)}
.kori-input::placeholder{color:var(--kori-content-subtle)}
.kori-input:focus{border-color:var(--kori-purple)}
.kori-range{-webkit-appearance:none;appearance:none;width:100%;height:6px;background:var(--kori-surface-elevated);border-radius:var(--kori-radius-pill);outline:none}
.kori-range::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--kori-gradient-brand);cursor:pointer;border:2px solid var(--kori-surface)}
.kori-range::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--kori-gradient-brand);cursor:pointer;border:2px solid var(--kori-surface)}

/* ── CONTRACT CHIP ── */
.kori-contract{display:inline-flex;align-items:center;gap:var(--kori-space-sm);padding:12px 20px;background:var(--kori-surface-secondary);border:1px solid var(--kori-border-muted);border-radius:var(--kori-radius-pill);font-family:var(--kori-font-mono);font-size:var(--kori-text-sm);color:var(--kori-content-muted);cursor:pointer;transition:all var(--kori-duration) var(--kori-ease);word-break:break-all}
.kori-contract:hover{background:var(--kori-surface-elevated);border-color:var(--kori-border)}

/* ── SOCIAL ICONS ── */
.kori-social{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--kori-radius-sm);background:var(--kori-surface-secondary);border:1px solid var(--kori-border-muted);transition:all var(--kori-duration) var(--kori-ease);text-decoration:none}
.kori-social:hover{background:var(--kori-surface-elevated);border-color:var(--kori-border);transform:translateY(-2px)}
.kori-social svg,.kori-social img{width:20px;height:20px;fill:var(--kori-content-muted)}
.kori-social:hover svg,.kori-social:hover img{fill:var(--kori-purple)}

/* ── BADGES ── */
.kori-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;border-radius:var(--kori-radius-pill);font-size:var(--kori-text-xs);font-weight:600}
.kori-badge-purple{background:var(--kori-purple-subtle);border:1px solid var(--kori-purple-muted);color:var(--kori-purple)}
.kori-badge-green{background:rgba(74,222,128,0.15);border:1px solid rgba(74,222,128,0.4);color:var(--kori-green)}
.kori-badge-yellow{background:var(--kori-yellow-subtle);border:1px solid var(--kori-yellow-muted);color:var(--kori-yellow)}

/* ── DIVIDERS ── */
.kori-divider{border:none;height:1px;background:var(--kori-border-muted);margin:var(--kori-space-xl) 0}
.kori-divider-gradient{border:none;height:1px;background:var(--kori-gradient-brand);opacity:0.3;margin:var(--kori-space-xl) 0}

/* ── SCROLLBAR ── */
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:var(--kori-scrollbar-track)}
::-webkit-scrollbar-thumb{background:var(--kori-gradient-brand);border-radius:10px}

/* ── ANIMATIONS ── */
@keyframes kori-pulse{0%,100%{box-shadow:0 0 15px rgba(168,85,247,0.2),0 0 30px rgba(236,72,153,0.1)}50%{box-shadow:0 0 25px rgba(168,85,247,0.35),0 0 50px rgba(236,72,153,0.15)}}
@keyframes kori-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes kori-fade-in{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

/* Reactive glow — breathing border glow for active/playing states */
@keyframes kori-reactive-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.15), 0 0 40px rgba(236, 72, 153, 0.08);
    border-color: rgba(168, 85, 247, 0.25);
  }
  50% {
    box-shadow: 0 0 35px rgba(168, 85, 247, 0.3), 0 0 70px rgba(236, 72, 153, 0.15), 0 0 100px rgba(168, 85, 247, 0.05);
    border-color: rgba(236, 72, 153, 0.4);
  }
}
.kori-reactive-glow {
  animation: kori-reactive-glow 3s ease-in-out infinite;
}

/* Floating particles — container + individual particle styles */
.kori-particles {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.kori-particle {
  position: absolute;
  bottom: -10px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--kori-purple);
  opacity: 0;
  animation: kori-particle-rise linear infinite;
}
.kori-particle:nth-child(odd) {
  background: var(--kori-pink);
}
.kori-particle:nth-child(3n) {
  width: 3px;
  height: 3px;
}
.kori-particle:nth-child(5n) {
  width: 5px;
  height: 5px;
}
@keyframes kori-particle-rise {
  0% {
    opacity: 0;
    transform: translateY(0) translateX(0) scale(0.5);
  }
  15% {
    opacity: 0.6;
  }
  85% {
    opacity: 0.3;
  }
  100% {
    opacity: 0;
    transform: translateY(-100vh) translateX(var(--kori-particle-drift, 20px)) scale(1);
  }
}

.kori-animate-pulse{animation:kori-pulse 2.5s ease-in-out infinite}
.kori-animate-float{animation:kori-float 3s ease-in-out infinite}
.kori-animate-fade-in{animation:kori-fade-in 0.6s var(--kori-ease) both}
.kori-scroll-reveal{opacity:0;transform:translateY(30px);transition:opacity 0.6s ease-out,transform 0.6s ease-out}
.kori-scroll-reveal.visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.kori-animate-pulse,.kori-animate-float,.kori-text-gradient,.kori-reactive-glow,.kori-particle{animation:none!important}.kori-scroll-reveal{opacity:1;transform:none;transition:none}.kori-particles{display:none}}

/* ── THEME TRANSITION ── */
body.kori-theme-transitioning,body.kori-theme-transitioning *{transition:background-color 0.3s ease,border-color 0.3s ease,color 0.3s ease!important}

/* ── UTILITIES ── */
.kori-center{text-align:center}.kori-flex{display:flex}.kori-flex-col{display:flex;flex-direction:column}.kori-flex-wrap{flex-wrap:wrap}
.kori-items-center{align-items:center}.kori-justify-center{justify-content:center}.kori-justify-between{justify-content:space-between}
.kori-gap-xs{gap:var(--kori-space-xs)}.kori-gap-sm{gap:var(--kori-space-sm)}.kori-gap-md{gap:var(--kori-space-md)}.kori-gap-lg{gap:var(--kori-space-lg)}.kori-gap-xl{gap:var(--kori-space-xl)}
.kori-mt-sm{margin-top:var(--kori-space-sm)}.kori-mt-md{margin-top:var(--kori-space-md)}.kori-mt-lg{margin-top:var(--kori-space-lg)}.kori-mt-xl{margin-top:var(--kori-space-xl)}
.kori-mb-sm{margin-bottom:var(--kori-space-sm)}.kori-mb-md{margin-bottom:var(--kori-space-md)}.kori-mb-lg{margin-bottom:var(--kori-space-lg)}
.kori-w-full{width:100%}

/* ── ACCESSIBILITY ── */
:focus-visible{outline:2px solid var(--kori-purple);outline-offset:2px}
.kori-skip-link{position:absolute;top:-100%;left:50%;transform:translateX(-50%);padding:8px 16px;background:var(--kori-purple);color:#fff;border-radius:var(--kori-radius-sm);font-size:var(--kori-text-sm);font-weight:600;z-index:9999;text-decoration:none}
.kori-skip-link:focus{top:8px}
.kori-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}