/* =============================================================================
   ✨ ZOTH STUDIO — TAILWIND UTILITY & MAGIC UI / MD3 DESIGN SUITE (v2.0)
   =============================================================================
   Features:
     - 100% Zero-Build Tailwind CSS utility engine.
     - Magic UI: Shimmer Buttons, Conic Border Beams, Shiny Text, Infinite Marquee, Retro Grid, Blur Fade.
     - Google Material Design 3 (MUI): Tonal Surfaces, Segmented Controls, Chips, Elevation.
     - Multi-Theme Engine: Dark (Midnight), Light (Alabaster), Matrix (Phosphor), Gold (Hermetic).
   ============================================================================= */

/* ─────────────────────────────────────────────────────────────────────────────
   1. Tailwind Core Layout & Flexbox Utilities
   ───────────────────────────────────────────────────────────────────────────── */

.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-initial { flex: 0 1 auto; }
.flex-none { flex: none; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-grow { flex-grow: 1; }

/* Grid columns */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-auto-fit { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-cols-auto-fit-sm { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

/* Gap */
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: 3rem; }

/* Spacing: Padding */
.p-0 { padding: 0px; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.p-10 { padding: 2.5rem; }

.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }

.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-5 { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }

/* Spacing: Margin */
.m-0 { margin: 0px; }
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

/* Sizing */
.w-full { width: 100%; }
.w-auto { width: auto; }
.h-full { height: 100%; }
.h-auto { height: auto; }
.max-w-xs { max-width: 20rem; }
.max-w-sm { max-width: 24rem; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-6xl { max-width: 72rem; }
.max-w-full { max-width: 100%; }

/* Typography */
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl { font-size: 3rem; line-height: 1.15; }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-mono { font-family: var(--font-theme-mono, monospace); }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.tracking-tight { letter-spacing: -0.025em; }
.tracking-tighter { letter-spacing: -0.04em; }
.tracking-wide { letter-spacing: 0.025em; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }
.uppercase { text-transform: uppercase; }

/* Border Radius */
.rounded-none { border-radius: 0px; }
.rounded-sm { border-radius: 0.125rem; }
.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }

/* Border & Shadow */
.border { border: 1px solid var(--border-card); }
.border-0 { border: none; }
.border-t { border-top: 1px solid var(--line); }
.border-b { border-bottom: 1px solid var(--line); }

.shadow-sm { box-shadow: 0 1px 2px 0 var(--shadow-color); }
.shadow { box-shadow: 0 1px 3px 0 var(--shadow-color), 0 1px 2px -1px var(--shadow-color); }
.shadow-md { box-shadow: 0 4px 6px -1px var(--shadow-color), 0 2px 4px -2px var(--shadow-color); }
.shadow-lg { box-shadow: 0 10px 15px -3px var(--shadow-color), 0 4px 6px -4px var(--shadow-color); }
.shadow-xl { box-shadow: 0 20px 25px -5px var(--shadow-color), 0 8px 10px -6px var(--shadow-color); }
.shadow-2xl { box-shadow: 0 25px 50px -12px var(--shadow-color); }

/* Position & Overflow */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.inset-0 { inset: 0px; }
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }
.overflow-hidden { overflow: hidden; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-auto { overflow-y: auto; }

/* Backdrop Blur */
.backdrop-blur-none { backdrop-filter: none; -webkit-backdrop-filter: none; }
.backdrop-blur-sm { backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.backdrop-blur { backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.backdrop-blur-md { backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.backdrop-blur-lg { backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.backdrop-blur-xl { backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); }
.backdrop-blur-2xl { backdrop-filter: blur(40px); -webkit-backdrop-filter: blur(40px); }

/* Transitions */
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 200ms; }
.transition-colors { transition-property: color, background-color, border-color; transition-duration: 200ms; }
.transition-transform { transition-property: transform; transition-duration: 200ms; }

/* Responsive Breakpoints */
@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:flex-row { flex-direction: row; }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\:flex-row { flex-direction: row; }
  .md\:text-left { text-align: left; }
  .md\:text-5xl { font-size: 3rem; line-height: 1.1; }
  .md\:text-6xl { font-size: 3.75rem; line-height: 1; }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:grid-cols-2-1 { grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.95fr); }
}

/* ─────────────────────────────────────────────────────────────────────────────
   2. Magic UI: Animation Keyframes & Primitives
   ───────────────────────────────────────────────────────────────────────────── */

@keyframes magic-shimmer-sweep {
  0% { transform: translateX(-100%) rotate(45deg); }
  100% { transform: translateX(200%) rotate(45deg); }
}

@keyframes magic-shiny-text {
  0%, 90%, 100% { background-position: calc(-100% - 120px) 0; }
  30%, 60% { background-position: calc(100% + 120px) 0; }
}

@keyframes magic-marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-100% - var(--gap, 1.5rem))); }
}

@keyframes magic-conic-spin {
  100% { transform: rotate(360deg); }
}

/* 2.1 Magic UI Shimmer Button */
.magic-shimmer-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  font-family: var(--font-theme-mono, monospace);
  font-size: 0.92rem;
  font-weight: 700;
  color: #05070e !important;
  background: var(--accent, #00f0ff);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 9999px;
  text-decoration: none !important;
  cursor: pointer;
  overflow: hidden;
  box-shadow: 0 0 26px var(--accent-glow, rgba(0, 240, 255, 0.45));
  transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
  isolation: isolate;
}

.magic-shimmer-btn::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.85) 50%,
    transparent 100%
  );
  transform: translateX(-100%) rotate(25deg);
  animation: magic-shimmer-sweep 3.5s infinite ease-in-out;
  pointer-events: none;
  z-index: 1;
}

.magic-shimmer-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 40px var(--accent-glow, rgba(0, 240, 255, 0.65));
}

[data-theme="light"] .magic-shimmer-btn {
  background: #0f172a !important;
  color: #ffffff !important;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.3) !important;
}

/* 2.2 Magic UI Conic Border Beam Card */
.magic-border-beam-card {
  position: relative;
  background: var(--surface-card);
  border: 1px solid var(--border-card);
  border-radius: 20px;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.magic-border-beam-card::before {
  content: "";
  position: absolute;
  inset: -1.5px;
  border-radius: inherit;
  padding: 1.5px;
  background: conic-gradient(
    from 0deg at 50% 50%,
    transparent 0%,
    var(--cyan, #00f0ff) 25%,
    var(--gold, #fbbf24) 50%,
    var(--violet, #a855f7) 75%,
    transparent 100%
  );
  -webkit-mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.85;
  transition: opacity 0.3s ease;
}

.magic-border-beam-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 45px var(--shadow-color);
}

/* 2.3 Magic UI Shiny Text */
.magic-shiny-text {
  background: linear-gradient(
    120deg,
    var(--muted, #94a3b8) 35%,
    var(--text-primary, #ffffff) 50%,
    var(--muted, #94a3b8) 65%
  ) 0 0 / 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent !important;
  animation: magic-shiny-text 4s infinite linear;
  display: inline-block;
}

/* 2.4 Magic UI Infinite Marquee Ticker */
.magic-marquee-track {
  display: flex;
  overflow: hidden;
  user-select: none;
  gap: var(--gap, 1.5rem);
  mask-image: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 1) 10%, rgba(0, 0, 0, 1) 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 1) 10%, rgba(0, 0, 0, 1) 90%, transparent 100%);
  padding: 14px 0;
  width: 100%;
}

.magic-marquee-group {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: var(--gap, 1.5rem);
  min-width: 100%;
  animation: magic-marquee-scroll 32s linear infinite;
}

.magic-marquee-track:hover .magic-marquee-group {
  animation-play-state: paused;
}

.magic-marquee-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 9999px;
  background: var(--surface-card);
  border: 1px solid var(--border-card);
  font-family: var(--font-theme-mono, monospace);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  box-shadow: 0 4px 12px var(--shadow-color);
  transition: all 0.2s ease;
}

.magic-marquee-pill:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* ─────────────────────────────────────────────────────────────────────────────
   3. Google Material Design 3 (MUI) Primitives
   ───────────────────────────────────────────────────────────────────────────── */

.md3-btn-filled {
  background: var(--accent);
  color: #05070e !important;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 9999px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.18s ease;
  text-decoration: none !important;
}

.md3-btn-filled:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 20px var(--accent-glow);
}

.md3-btn-tonal {
  background: var(--surface-highlight);
  color: var(--text-primary);
  border: 1px solid var(--border-card);
  padding: 10px 22px;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.18s ease;
  text-decoration: none !important;
}

.md3-btn-tonal:hover {
  background: var(--surface-elevated);
  border-color: var(--accent);
  color: var(--accent);
}

.md3-btn-outlined {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-card);
  padding: 10px 22px;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.18s ease;
  text-decoration: none !important;
}

.md3-btn-outlined:hover {
  background: var(--surface-card);
  border-color: var(--text-primary);
}

.md3-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 8px;
  background: var(--surface-card);
  border: 1px solid var(--border-card);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-subhead);
  transition: all 0.18s ease;
}

.md3-chip:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.md3-chip.active {
  background: rgba(0, 240, 255, 0.12);
  border-color: var(--accent);
  color: var(--accent);
}


/* ─────────────────────────────────────────────────────────────────────────────
   4. AI Model Providers & Sovereign Tool Ecosystem Logo & Badge Styling
   ───────────────────────────────────────────────────────────────────────────── */

.marquee-logo,
.magic-marquee-pill img,
.tk-logo img,
.model-logo-img,
.tool-badge-card img {
  width: 20px;
  height: 20px;
  max-width: 20px;
  max-height: 20px;
  object-fit: contain;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

.tool-badge-card img {
  width: 38px;
  height: 38px;
  max-width: 38px;
  max-height: 38px;
  border-radius: 8px;
}

.magic-marquee-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 9999px;
  background: var(--surface-card, rgba(15, 23, 42, 0.8));
  border: 1px solid var(--border-card, rgba(255, 255, 255, 0.12));
  font-family: var(--font-theme-mono, ui-monospace, monospace);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary, #ffffff);
  white-space: nowrap;
  box-shadow: 0 4px 14px var(--shadow-color, rgba(0, 0, 0, 0.3));
  transition: all 0.22s cubic-bezier(0.2, 0.8, 0.2, 1);
  text-decoration: none;
}

.magic-marquee-pill:hover {
  border-color: var(--accent, #00f0ff);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow, rgba(0, 240, 255, 0.25));
  color: var(--accent, #00f0ff);
}

[data-theme="light"] .magic-marquee-pill {
  background: #ffffff !important;
  border: 1px solid #e2e8f0 !important;
  color: #0f172a !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06) !important;
}

[data-theme="matrix"] .magic-marquee-pill {
  background: #020c04 !important;
  border: 1px solid #00ff6644 !important;
  color: #00ff66 !important;
}

[data-theme="gold"] .magic-marquee-pill {
  background: #0d0a06 !important;
  border: 1px solid #fbbf2444 !important;
  color: #fbbf24 !important;
}

/* Tool Badges Grid */
.supported-tools-wrapper {
  margin-top: 2rem;
  background: var(--surface-card, rgba(8, 12, 22, 0.85));
  border: 1px solid var(--border-card, rgba(255, 255, 255, 0.1));
  border-radius: 20px;
  padding: 24px 28px;
  box-shadow: 0 10px 30px var(--shadow-color);
}

.supported-tools-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line, rgba(255, 255, 255, 0.08));
  padding-bottom: 14px;
}

.tools-badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.tool-badge-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface-elevated, rgba(14, 20, 36, 0.7));
  border: 1px solid var(--border-card, rgba(255, 255, 255, 0.08));
  border-radius: 14px;
  padding: 14px 18px;
  transition: all 0.22s ease;
  text-decoration: none;
}

.tool-badge-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent, #00f0ff);
  background: var(--surface-highlight, rgba(20, 28, 50, 0.85));
  box-shadow: 0 8px 24px var(--shadow-color);
}

.tool-badge-info h4 {
  font-family: var(--font-display, sans-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 3px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tool-badge-info p {
  font-size: 0.78rem;
  color: var(--text-subhead, var(--mute, #94a3b8));
  line-height: 1.4;
  margin: 0;
}

.tool-badge-pill {
  font-family: var(--font-theme-mono, monospace);
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 6px;
  background: rgba(0, 240, 255, 0.12);
  color: var(--accent, #00f0ff);
  border: 1px solid rgba(0, 240, 255, 0.25);
}