@import "tailwindcss";
@custom-variant dark (&:is(.dark *));

/* ============================================================
   TECH4BIZ DESIGN SYSTEM — MONOCHROME PREMIUM
   Brand Primary: #18181B (Zinc / Charcoal)
   Philosophy: Clean contrast, neutral slate variables, fluid transitions
   ============================================================ */

@theme {
  /* ── Brand Primary — Zinc / Charcoal ── */
  --color-primary-50:  #fafafa;
  --color-primary-100: #f4f4f5;
  --color-primary-200: #e4e4e7;
  --color-primary-300: #d4d4d8;
  --color-primary-400: #a1a1aa;
  --color-primary-500: #71717a;
  --color-primary-600: #52525b;
  --color-primary-700: #3f3f46;
  --color-primary-800: #27272a;
  --color-primary-900: #18181b;

  /* ── Ink Neutrals (Zinc Grays) ── */
  --color-ink-0:   #ffffff;
  --color-ink-50:  #fafafa;
  --color-ink-100: #f4f4f5;
  --color-ink-200: #e4e4e7;
  --color-ink-300: #d4d4d8;
  --color-ink-400: #a1a1aa;
  --color-ink-500: #71717a;
  --color-ink-600: #52525b;
  --color-ink-700: #3f3f46;
  --color-ink-800: #27272a;
  --color-ink-900: #09090b;

  /* ── Semantic Colors ── */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger:  #ef4444;
  --color-info:    #3b82f6;

  /* ── Typography ── */
  --font-sans:  'Inter Variable', 'Inter', ui-sans-serif, system-ui, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', ui-monospace, monospace;

  /* ── Spacing Scale ── */
  --spacing-18: 4.5rem;
  --spacing-22: 5.5rem;

  /* ── Shadows ── */
  --shadow-sm:      0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md:      0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg:      0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-premium: 0 4px 20px -2px rgba(0, 0, 0, 0.05), 0 2px 8px -1px rgba(0, 0, 0, 0.03);
  --shadow-glow:    0 0 30px rgba(113, 113, 122, 0.1), 0 0 60px rgba(113, 113, 122, 0.03);
  --shadow-glow-sm: 0 0 15px rgba(113, 113, 122, 0.05);
  --shadow-inner-glow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  --shadow-3d:      0 20px 40px -10px rgba(0, 0, 0, 0.1);

  /* ── Border Radius ── */
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-4xl: 2rem;

  /* ── Animations ── */
  --animate-float:       float 6s ease-in-out infinite;
  --animate-float-slow:  float 9s ease-in-out infinite;
  --animate-float-fast:  float 4s ease-in-out infinite;
  --animate-pulse-glow:  pulse-glow 2.5s ease-in-out infinite;
  --animate-shimmer:     shimmer 2s linear infinite;
  --animate-fade-in:     fade-in 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  --animate-scale-up:    scale-up 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  --animate-slide-up:    slide-up 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  --animate-slide-right: slide-right 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  --animate-spin-slow:   spin 8s linear infinite;
  --animate-orbit:       orbit 12s linear infinite;
  --animate-morph:       morph 8s ease-in-out infinite;

  /* ── Keyframes ── */
  @keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33%       { transform: translateY(-8px) rotate(0.5deg); }
    66%       { transform: translateY(-4px) rotate(-0.5deg); }
  }
  @keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 15px rgba(113, 113, 122, 0.1); }
    50%       { box-shadow: 0 0 30px rgba(113, 113, 122, 0.2); }
  }
  @keyframes shimmer {
    from { background-position: -200% center; }
    to   { background-position: 200% center; }
  }
  @keyframes fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  @keyframes scale-up {
    from { opacity: 0; transform: scale(0.96) translateY(4px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
  }
  @keyframes slide-up {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  @keyframes slide-right {
    from { opacity: 0; transform: translateX(-12px); }
    to   { opacity: 1; transform: translateX(0); }
  }
  @keyframes orbit {
    from { transform: rotate(0deg) translateX(100px) rotate(0deg); }
    to   { transform: rotate(360deg) translateX(100px) rotate(-360deg); }
  }
  @keyframes morph {
    0%, 100% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; }
    34%      { border-radius: 70% 30% 50% 50% / 30% 30% 70% 70%; }
    67%      { border-radius: 100% 60% 60% 100% / 100% 100% 60% 60%; }
  }
  @keyframes spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
  }
}

:root {
  /* Gentle Slate theme for Light Mode - Softened Contrast */
  --color-primary-50:  #f8fafc;
  --color-primary-100: #f1f5f9;
  --color-primary-200: #e2e8f0;
  --color-primary-300: #cbd5e1;
  --color-primary-400: #94a3b8;
  --color-primary-500: #64748b;
  --color-primary-600: #475569;
  --color-primary-700: #334155;
  --color-primary-800: #1e293b;
  --color-primary-900: #0f172a;

  --color-ink-0:   #ffffff;
  --color-ink-50:  #f8fafc;
  --color-ink-100: #f1f5f9;
  --color-ink-200: #e2e8f0;
  --color-ink-300: #cbd5e1;
  --color-ink-400: #94a3b8;
  --color-ink-500: #64748b;
  --color-ink-600: #475569;
  --color-ink-700: #334155;
  --color-ink-800: #1e293b;
  --color-ink-900: #0f172a;
}

.dark {
  /* Obsidian/Charcoal theme for Dark Mode - Correctly Inverted Scales */
  --color-primary-50:  #050507;
  --color-primary-100: #141417;
  --color-primary-200: #27272a;
  --color-primary-300: #3f3f46;
  --color-primary-400: #52525b;
  --color-primary-500: #71717a;
  --color-primary-600: #a1a1aa;
  --color-primary-700: #d4d4d8;
  --color-primary-800: #e4e4e7;
  --color-primary-900: #ffffff;

  --color-ink-0:   #0d0d10; /* Soft charcoal-slate card background */
  --color-ink-50:  #050507; /* Deep obsidian canvas background */
  --color-ink-100: #141417; /* Panels/hover states */
  --color-ink-200: #27272a; /* Borders */
  --color-ink-300: #3f3f46;
  --color-ink-400: #52525b;
  --color-ink-500: #71717a; /* Muted texts */
  --color-ink-600: #a1a1aa;
  --color-ink-700: #d4d4d8;
  --color-ink-800: #e4e4e7; /* Body texts */
  --color-ink-900: #ffffff; /* Primary texts/headers */
}

/* ============================================================
   BASE STYLES
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-ink-50);
  color: var(--color-ink-800);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

/* Premium Scrollbar */
::-webkit-scrollbar        { width: 6px; height: 6px; }
::-webkit-scrollbar-track  { background: var(--color-ink-50); }
::-webkit-scrollbar-thumb  { background: var(--color-ink-200); border-radius: 9999px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-ink-400); }

/* Focus ring */
:focus-visible {
  outline: 2px solid var(--color-ink-900);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ============================================================
   3D & PERSPECTIVE UTILITIES
   ============================================================ */
.perspective-1000 { perspective: 1000px; }
.perspective-1500 { perspective: 1500px; }
.preserve-3d      { transform-style: preserve-3d; }
.backface-hidden  { backface-visibility: hidden; }
.translate-z-0    { transform: translateZ(0); }

.card-3d {
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.card-3d:hover {
  transform: rotateY(-2deg) rotateX(1deg) translateZ(4px);
}

/* ============================================================
   GLASS MORPHISM
   ============================================================ */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(228, 228, 231, 0.5);
}

.glass-strong {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(228, 228, 231, 0.8);
}

.glass-dark {
  background: rgba(9, 9, 11, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(39, 39, 42, 0.4);
}

/* ============================================================
   GRADIENT UTILITIES
   ============================================================ */
.gradient-brand {
  background: linear-gradient(135deg, var(--color-ink-800) 0%, var(--color-ink-900) 100%);
}

.gradient-brand-soft {
  background: linear-gradient(135deg, var(--color-ink-50) 0%, var(--color-ink-100) 100%);
}

.gradient-mesh {
  background:
    radial-gradient(at 40% 20%, rgba(113, 113, 122, 0.05) 0px, transparent 50%),
    radial-gradient(at 80% 0%,  rgba(82, 82, 91, 0.03) 0px, transparent 50%),
    radial-gradient(at 0% 50%,  rgba(113, 113, 122, 0.04) 0px, transparent 50%),
    radial-gradient(at 80% 50%, rgba(39, 39, 42, 0.02) 0px, transparent 50%),
    radial-gradient(at 0% 100%, rgba(113, 113, 122, 0.05) 0px, transparent 50%),
    var(--color-ink-50);
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-ink-900), var(--color-ink-600), var(--color-ink-800));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-shimmer {
  background: linear-gradient(
    90deg,
    var(--color-ink-600) 0%,
    var(--color-ink-800) 25%,
    var(--color-ink-600) 50%,
    var(--color-ink-800) 75%,
    var(--color-ink-600) 100%
  );
  background-size: 200% auto;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 3s linear infinite;
}

/* ============================================================
   PREMIUM COMPONENT UTILITIES
   ============================================================ */
.btn-primary {
  background: var(--color-ink-900);
  color: var(--color-ink-0);
  font-weight: 550;
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}
.btn-primary:hover {
  background: var(--color-ink-800);
}
.btn-primary:active {
  transform: scale(0.98);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--color-ink-200);
  color: var(--color-ink-700);
  font-weight: 550;
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-ghost:hover {
  background: var(--color-ink-100);
  border-color: var(--color-ink-300);
}

.input-field {
  width: 100%;
  background: var(--color-ink-0);
  border: 1px solid var(--color-ink-200);
  border-radius: 0.5rem;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  color: var(--color-ink-800);
  font-family: var(--font-sans);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  outline: none;
}
.input-field.has-left-icon {
  padding-left: 2.75rem;
}
.input-field.has-right-icon {
  padding-right: 2.75rem;
}
.input-field:focus {
  border-color: var(--color-ink-900);
  box-shadow: 0 0 0 3px rgba(9, 9, 11, 0.06), 0 1px 2px rgba(0, 0, 0, 0.03);
}
.input-field::placeholder { color: var(--color-ink-400); }

.card {
  background: white;
  border: 1px solid var(--color-ink-100);
  border-radius: 0.75rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  box-shadow: var(--shadow-md);
}

.card-glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(228, 228, 231, 0.4);
  border-radius: 0.75rem;
  box-shadow: var(--shadow-premium);
}

/* ============================================================
   FLOATING ORBS (Background Decoration)
   ============================================================ */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  animation: var(--animate-float);
}
.orb-primary {
  background: radial-gradient(circle, rgba(113, 113, 122, 0.08) 0%, rgba(113, 113, 122, 0) 70%);
}
.orb-secondary {
  background: radial-gradient(circle, rgba(82, 82, 91, 0.06) 0%, rgba(82, 82, 91, 0) 70%);
  animation-delay: -3s;
  animation-duration: 8s;
}
.orb-accent {
  background: radial-gradient(circle, rgba(161, 161, 170, 0.04) 0%, rgba(161, 161, 170, 0) 70%);
  animation-delay: -6s;
  animation-duration: 11s;
}

/* ============================================================
   STATUS BADGES
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.125rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge-success  { background: rgba(16, 185, 129, 0.08); color: #10b981; border: 1px solid rgba(16, 185, 129, 0.15); }
.badge-warning  { background: rgba(245, 158, 11, 0.08); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.15); }
.badge-danger   { background: rgba(239, 68, 68, 0.08); color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.15); }
.badge-neutral  { background: rgba(82, 82, 91, 0.08); color: #52525b; border: 1px solid rgba(82, 82, 91, 0.15); }
.badge-primary  { background: rgba(9, 9, 11, 0.06); color: #09090b; border: 1px solid rgba(9, 9, 11, 0.12); }

/* ============================================================
   ANIMATION UTILITY CLASSES
   ============================================================ */
.animate-float       { animation: float 6s ease-in-out infinite; }
.animate-float-slow  { animation: float 9s ease-in-out infinite; }
.animate-float-fast  { animation: float 4s ease-in-out infinite; }
.animate-pulse-glow  { animation: pulse-glow 2.5s ease-in-out infinite; }
.animate-shimmer     { animation: shimmer 2s linear infinite; }
.animate-fade-in     { animation: fade-in 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.animate-scale-up    { animation: scale-up 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.animate-slide-up    { animation: slide-up 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.animate-slide-right { animation: slide-right 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.animate-spin-slow   { animation: spin 8s linear infinite; }
.animate-orbit       { animation: orbit 12s linear infinite; }
.animate-morph       { animation: morph 8s ease-in-out infinite; }

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-500 { animation-delay: 0.5s; }
.delay-700 { animation-delay: 0.7s; }

/* ============================================================
   TRANSITION UTILITIES
   ============================================================ */
.transition-premium { transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1); }
.transition-slow    { transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1); }

/* ============================================================
   INTERACTIVE HOVER EFFECTS
   ============================================================ */
.hover-lift { transition: transform 0.2s, box-shadow 0.2s; }
.hover-lift:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.hover-glow:hover { box-shadow: var(--shadow-glow); }

/* Magnetic button ripple effect */
.ripple {
  position: relative;
  overflow: hidden;
}
.ripple::after {
  content: '';
  position: absolute;
  inset: -50%;
  background: radial-gradient(circle, rgba(113, 113, 122, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
}
.ripple:hover::after { opacity: 1; }

/* ============================================================
   TABLE UTILITIES
   ============================================================ */
.table-premium {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}
.table-premium th {
  background: var(--color-ink-50);
  color: var(--color-ink-600);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--color-ink-100);
}
.table-premium td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-ink-50);
  font-size: 0.875rem;
  color: var(--color-ink-700);
  vertical-align: middle;
  transition: background 0.15s;
}
.table-premium tr:hover td { background: rgba(113, 113, 122, 0.03); }
.table-premium tr:last-child td { border-bottom: none; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-ink-600);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.nav-link::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--color-ink-100);
  opacity: 0;
  transition: opacity 0.2s;
}
.nav-link:hover { color: var(--color-ink-800); }
.nav-link:hover::before { opacity: 1; }
.nav-link.active {
  background: var(--color-ink-900);
  color: var(--color-ink-0);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}
.nav-link.active::before { display: none; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.heading-display {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
}
.heading-section {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
}
.text-label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-600);
}

/* ============================================================
   LOADING STATES
   ============================================================ */
@keyframes skeleton-wave {
  from { background-position: -200px 0; }
  to   { background-position: calc(200px + 100%) 0; }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-ink-100) 25%,
    var(--color-ink-50)  50%,
    var(--color-ink-100) 75%
  );
  background-size: 400px 100%;
  animation: skeleton-wave 1.4s ease-in-out infinite;
  border-radius: 0.5rem;
}

/* ============================================================
   PROGRESS BAR
   ============================================================ */
.progress-bar {
  height: 0.375rem;
  border-radius: 9999px;
  background: var(--color-ink-100);
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  border-radius: 9999px;
  background: var(--color-ink-900);
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.progress-bar-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: shimmer 1.5s linear infinite;
}

/* ============================================================
   TYPOGRAPHY FINE-TUNING (+30% size increase)
   ============================================================ */
.page-title {
  /* text-xl fallback: 1.25rem (20px) * 1.3 = 1.625rem (26px) */
  font-size: 1.625rem !important;
}
.page-subtitle {
  /* text-xs fallback: 0.75rem (12px) * 1.3 = 0.975rem (15.6px) */
  font-size: 0.975rem !important;
}
.action-card-title {
  /* text-lg fallback: 1.125rem (18px) * 1.3 = 1.4625rem (23.4px) */
  font-size: 1.4625rem !important;
}
.action-card-desc {
  /* text-xs fallback: 0.75rem (12px) * 1.3 = 0.975rem (15.6px) */
  font-size: 0.975rem !important;
}
.asset-card-title {
  /* text-sm fallback: 0.875rem (14px) * 1.3 = 1.1375rem (18.2px) */
  font-size: 1.1375rem !important;
}
.explorer-title {
  /* text-2xl fallback: 1.5rem (24px) * 1.3 = 1.95rem (31.2px) */
  font-size: 1.95rem !important;
}
@media (min-width: 768px) {
  .explorer-title {
    /* md:text-3xl fallback: 1.875rem (30px) * 1.3 = 2.4375rem (39px) */
    font-size: 2.4375rem !important;
  }
}
.explorer-desc {
  /* text-sm fallback: 0.875rem (14px) * 1.3 = 1.1375rem (18.2px) */
  font-size: 1.1375rem !important;
}
.agreement-card-title {
  /* text-base fallback: 1.0rem (16px) * 1.3 = 1.3rem (20.8px) */
  font-size: 1.3rem !important;
}
.agreement-card-desc {
  /* text-xs fallback: 0.75rem (12px) * 1.3 = 0.975rem (15.6px) */
  font-size: 0.975rem !important;
}
.login-title {
  /* text-3xl fallback: 1.875rem (30px) * 1.3 = 2.4375rem (39px) */
  font-size: 2.4375rem !important;
}
@media (min-width: 1024px) {
  .login-title {
    /* lg:text-4xl fallback: 2.25rem (36px) * 1.3 = 2.925rem (46.8px) */
    font-size: 2.925rem !important;
  }
}
.login-desc {
  /* text-sm fallback: 0.875rem (14px) * 1.3 = 1.1375rem (18.2px) */
  font-size: 1.1375rem !important;
}
.login-form-title {
  /* text-2xl fallback: 1.5rem (24px) * 1.3 = 1.95rem (31.2px) */
  font-size: 1.95rem !important;
}
.login-form-subtitle {
  /* text-sm fallback: 0.875rem (14px) * 1.3 = 1.1375rem (18.2px) */
  font-size: 1.1375rem !important;
}
