:root {
  /* Colors */
  --bg-primary: #000000;
  --bg-secondary: #09090b;
  --bg-card: rgba(255, 255, 255, 0.02);
  --bg-nav: rgba(0, 0, 0, 0.75);

  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #52525b;

  --brand-primary: #6366f1;
  --brand-secondary: #4f46e5;
  --brand-gradient: linear-gradient(135deg, #4f46e5, #6366f1, #3b82f6);

  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.16);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 64px;
  --portal-notice-h: 0px;

  /* Effects */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.8);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.8), 0 2px 4px -1px rgba(0, 0, 0, 0.8);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.9), 0 4px 6px -2px rgba(0, 0, 0, 0.9);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-primary: #fafafa;
  --bg-secondary: #f4f4f5;
  --bg-card: rgba(255, 255, 255, 0.8);
  --bg-nav: rgba(255, 255, 255, 0.75);

  --text-primary: #18181b;
  --text-secondary: #52525b;
  --text-muted: #a1a1aa;

  --border-color: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.15);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}


  


*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;display:flex;flex-direction:column;transition:background-color var(--transition-normal), color var(--transition-normal)}
a{color:var(--brand-secondary);text-decoration:none;transition:color var(--transition-fast)}
a:hover{color:var(--brand-primary)}
code{font-family:'JetBrains Mono','Fira Code',monospace;background:rgba(128,128,128,0.15);color:var(--brand-primary);padding:3px 6px;border-radius:6px;font-size:13px;border:1px solid rgba(128,128,128,0.2)}
[data-theme="light"] code{background:rgba(0, 0, 0, 0.05);color:#0060df}
strong{color:var(--text-primary);font-weight:600}
.wrap{max-width:var(--max-width);margin:0 auto;padding:0 24px;width:100%;position:relative;z-index:10}
.main-content{flex:1}

/* ── Header Navbar ── */
.hdr{position:fixed;top:var(--portal-notice-h, 0px);left:0;right:0;height:var(--nav-height);background:var(--bg-nav);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);z-index:100;transition:transform var(--transition-normal), background var(--transition-normal), border-color var(--transition-normal)}
.hdr.hidden {transform:translateY(calc(-100% - var(--portal-notice-h, 0px)))}
.hdr-in{max-width:var(--max-width);margin:0 auto;display:flex;align-items:center;padding:0 24px;height:100%;gap:24px}
.hdr-logo{display:flex;align-items:center;gap:12px;color:var(--text-primary)!important;font-weight:700;font-size:1.125rem;letter-spacing:-0.025em;white-space:nowrap}
.hdr-logo img{height:24px;border-radius:4px;object-fit:contain}
.hdr-search{flex:1;max-width:320px;position:relative;display:none}
@media(min-width:992px){.hdr-search{display:block}}
.hdr-search input{width:100%;background:rgba(0,0,0,0.2);border:1px solid var(--border-color);border-radius:6px;padding:6px 12px 6px 32px;color:var(--text-primary);font-size:13px;outline:none;transition:all var(--transition-fast)}
[data-theme="light"] .hdr-search input{background:rgba(255,255,255,0.8)}
.hdr-search input:focus{border-color:var(--brand-primary);box-shadow:var(--shadow-glow)}
.hdr-search input::placeholder{color:var(--text-muted)}
.hdr-search svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:14px;height:14px;fill:var(--text-muted)}
.hdr-menu{display:flex;align-items:center;margin-left:auto;gap:16px}
.hdr-nav{display:flex;gap:4px}
.hdr-nav a{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:6px;font-size:14px;font-weight:500;color:var(--text-secondary);transition:all var(--transition-fast)}
.hdr-nav a:hover,.hdr-nav a.on{color:var(--text-primary);background:rgba(128,128,128,0.1)}
.hdr-sep{width:1px;height:24px;background:var(--border-color);margin:0 4px}
.hdr-act{display:flex;gap:12px;align-items:center}
.btn-s{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:9999px;font-size:14px;font-weight:500;transition:all var(--transition-fast);white-space:nowrap}
.btn-ghost{color:var(--text-secondary);background:transparent;border:none}
.btn-ghost:hover{color:var(--text-primary);background:rgba(128,128,128,0.05)}
.btn-primary{background:var(--brand-primary);color:#fff!important;border:none}
.btn-primary:hover{filter:brightness(0.9);transform:translateY(-1px)}
.btn-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;background:transparent;border-radius:50%;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}
.btn-icon:hover{background:rgba(128,128,128,0.1);color:var(--text-primary)}
.btn-icon svg{width:18px;height:18px;fill:currentColor}
.hdr-avatar-link { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; border-radius: 50% !important; overflow: hidden; background: var(--brand-primary); color: #fff !important; width: 36px; height: 36px; transition: transform var(--transition-fast), box-shadow var(--transition-fast); box-shadow: var(--shadow-sm); }
.hdr-avatar-link:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); filter: brightness(1.1); }
.hdr-user-meta, .hdr-logout-btn, .hdr-tool-text, .hdr-tool-chevron, .hdr-drawer-foot { display: none; }
.hdr-act[style*="display: none"] { display: none !important; }

/* Mobile Menu Button */
.mob-btn{display:none;background:none;border:none;color:var(--text-primary);cursor:pointer;padding:8px;z-index:1000}
.mob-btn span{display:block;width:20px;height:2px;background:currentColor;margin:4px 0;transition:transform var(--transition-fast);border-radius:1px}
.hdr-search-mob{display:none}

/* ── Sub Page Hero ── */
.pg-hero{padding:calc(var(--nav-height) + 40px) 0 40px;text-align:left;border-bottom:1px solid var(--border-color);background:var(--bg-secondary);transition:background-color var(--transition-normal)}
.pg-hero h1{font-size:32px;font-weight:800;margin-bottom:12px;letter-spacing:-0.5px;color:var(--text-primary)}
.pg-hero p{color:var(--text-secondary);font-size:16px;max-width:600px}

/* ── Models Table ── */
.mod-sec{padding:40px 0 80px}
.mod-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--border-color);background:var(--bg-card);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:var(--shadow-md)}
.mod-tbl{width:100%;border-collapse:collapse}
.mod-tbl th{text-align:left;padding:14px 20px;font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;background:rgba(128,128,128,0.05);border-bottom:1px solid var(--border-color)}
.mod-tbl td{padding:14px 20px;font-size:14px;border-bottom:1px solid var(--border-color);color:var(--text-secondary)}
.mod-tbl tr:last-child td{border-bottom:none}
.mod-tbl tbody tr:hover td{background:rgba(128,128,128,0.05)}
.mod-name{font-weight:600;color:var(--text-primary);font-size:15px}
.tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:600;background:rgba(128,128,128,0.1);color:var(--text-secondary);border:1px solid var(--border-color)}
.mod-note{margin-top:24px;padding:16px;border-radius:8px;background:var(--bg-secondary);border:1px solid var(--border-color);font-size:14px;color:var(--text-muted)}
.empty-h{text-align:center;color:var(--text-muted);padding:48px 0!important}

/* ── Contact ── */
.ct-sec{padding:40px 0 80px}
.ct-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.ct-info{display:flex;flex-direction:column;gap:16px}
.ct-item{display:flex;gap:16px;padding:20px;border-radius:12px;background:var(--bg-card);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}
.ct-item:hover{border-color:var(--border-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.ct-item .ci{font-size:20px;flex-shrink:0;width:40px;height:40px;background:rgba(128,128,128,0.1);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--text-primary)}
.ct-item strong{display:block;color:var(--text-primary);font-size:15px;font-weight:600;margin-bottom:4px}
.ct-item p{color:var(--text-secondary);font-size:14px;margin:0;line-height:1.5}
.soc h3{font-size:18px;font-weight:700;margin-bottom:16px;color:var(--text-primary)}
.soc-grid{display:flex;flex-wrap:wrap;gap:10px}
.soc-a{padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-secondary);transition:all var(--transition-fast);box-shadow:var(--shadow-sm)}
.soc-a:hover{border-color:var(--brand-secondary);color:var(--brand-secondary);background:rgba(128,128,128,0.05);transform:translateY(-1px)}

/* ── About ── */
.ab-sec{padding:40px 0 80px}
.ab-body{max-width:800px;margin:0 auto;font-size:16px;line-height:1.8;color:var(--text-secondary)}
.ab-body h2{font-size:26px;color:var(--text-primary);margin:36px 0 16px;font-weight:800;letter-spacing:-0.5px}
.ab-body h3{font-size:20px;color:var(--text-primary);margin:24px 0 12px;font-weight:700}
.ab-body p{margin-bottom:16px}
.ab-body ul,.ab-body ol{margin:0 0 16px 20px}
.ab-body li{margin-bottom:8px}

/* ── Footer ── */
.ftr{border-top:1px solid var(--border-color);padding:48px 0 0;margin-top:auto;background:var(--bg-secondary);transition:background-color var(--transition-normal), border-color var(--transition-normal)}
.ftr-in{max-width:var(--max-width);margin:0 auto;padding:0 24px}
.ftr-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:32px}
.ftr-brand{max-width:360px}
.ftr-brand b{font-size:18px;color:var(--text-primary);display:block;margin-bottom:12px;letter-spacing:-0.5px;font-weight:800}
.ftr-brand p{color:var(--text-secondary);font-size:14px;line-height:1.6}
.ftr-brand .ftr-meta{margin-top:12px;color:var(--text-muted);font-size:13px;line-height:1.5}
.ftr-brand .ftr-meta p{margin:0 0 4px;color:var(--text-muted);font-size:13px}
.ftr-links{display:flex;gap:48px;flex-wrap:wrap}
.ftr-col{min-width:140px;max-width:240px}
.ftr-col h4{font-size:13px;font-weight:700;color:var(--text-primary);margin-bottom:16px;letter-spacing:0.5px;text-transform:uppercase}
.ftr-col a{display:block;font-size:14px;color:var(--text-secondary);margin-bottom:10px;transition:color var(--transition-fast);font-weight:500}
.ftr-col a:hover{color:var(--text-primary)}
.ftr-col p{color:var(--text-secondary);font-size:14px;line-height:1.6;margin:0}
.ftr-btm{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:20px 0;border-top:1px solid var(--border-color);font-size:13px;color:var(--text-muted);text-align:center}
.ftr-btm a{color:var(--text-secondary);font-weight:500;transition:color var(--transition-fast)}
.ftr-btm a:hover{color:var(--text-primary)}

/* ── Responsive ── */
@media(max-width:992px){
  .ftr-top{flex-direction:column;gap:32px}
  .ftr-links{flex-wrap:wrap;gap:32px}
}
@media(max-width:768px){
  .hdr-in{justify-content:space-between}
  .hdr-menu{
    position:fixed;
    top:calc(var(--nav-height) + var(--portal-notice-h, 0px));
    left:0;
    right:0;
    bottom:0;
    background:var(--bg-primary);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    flex-direction:column;
    padding:24px 20px calc(32px + env(safe-area-inset-bottom, 0px));
    z-index:999;
    align-items:stretch;
    justify-content:flex-start;
    gap:18px;
    opacity:0;
    pointer-events:none;
    transform:translateY(-8px);
    transition:opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
    overscroll-behavior:contain;
  }
  .hdr-menu.open,
  .hdr.menu-open .hdr-menu,
  .navbar.menu-open .hdr-menu{
    opacity:1 !important;
    pointer-events:auto !important;
    transform:translateY(0) !important;
  }
  .hdr-nav{flex-direction:column;gap:8px}
  .hdr-nav a{padding:10px 14px;font-size:15px;display:flex;align-items:center}
  .hdr-sep{display:none}
  .hdr-act{flex-direction:column;gap:10px;margin-top:8px}
  .hdr-act .btn-s{width:100%;height:42px;display:flex;align-items:center;justify-content:center;font-size:15px}
  .mob-btn{display:flex;flex-direction:column;justify-content:center;align-items:center;width:40px;height:40px;padding:0;margin-left:auto}
  .mob-btn span{display:block;width:20px;height:2px;background:currentColor;margin:3px 0;transition:transform 0.25s ease, opacity 0.25s ease;border-radius:1px;transform-origin:center}
  .mob-btn.active span:nth-child(1),
  .hdr.menu-open .mob-btn span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .mob-btn.active span:nth-child(2),
  .hdr.menu-open .mob-btn span:nth-child(2){opacity:0;transform:scaleX(0)}
  .mob-btn.active span:nth-child(3),
  .hdr.menu-open .mob-btn span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  body.portal-menu-locked{overflow:hidden !important;touch-action:none}
  .hdr-search-mob{display:block;position:relative;width:100%;margin-bottom:4px}
  .hdr-search-mob input{width:100%;background:rgba(0,0,0,0.06);border:1px solid var(--border-color);border-radius:6px;padding:10px 12px 10px 36px;color:var(--text-primary);font-size:14px;outline:none}
  [data-theme="light"] .hdr-search-mob input{background:rgba(255,255,255,0.8)}
  .hdr-search-mob svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;fill:var(--text-muted)}
  .ct-grid{grid-template-columns:1fr}
  .ftr-btm{flex-direction:column;gap:12px;text-align:center}
  .pg-hero{padding:calc(var(--nav-height) + 24px) 0 32px}
}


code, .lang-dropdown-menu, .lang-dropdown-menu a, .hdr-logo img, .hdr-search input, .hdr-nav a, .btn-s, .btn-primary, .btn-icon, .mob-btn, .hero-btns .btn-big, .code-wrap, .feat-card, .feat-card .ic, .qnav-card, .qnav-card .arr, .mod-wrap, .tag, .mod-note, .ct-item, .ct-item .ci, .soc-a, .hdr-search-mob input, .hf-search input, .hf-filter-item, .hf-filter-item img, .hf-filter-count, .hf-card, .hf-card-icon img, .hf-card-tag, .hf-copy-btn, .md-header, .md-logo, .md-logo img, .md-mid, .md-tag, .md-desc, .md-table-container, .md-copy-btn, .md-not-found a, .playground-container, .playground-tab, .playground-btn, .price-ticket, .action-btn, .spec-card, .spec-icon, .spec-icon svg, .side-spec-value img, .spec-info span, .playground-pre, .playground-pre code {
  border-radius: 5px !important;
}

body.dark .invert-dark,
[data-theme="dark"] .invert-dark {
  filter: brightness(0) invert(1) !important;
}

/* ── Theme Switch & Segmented Switch ── */
.theme-segmented-switch,
.hdr-theme-toggle-mob {
  display: none !important;
}
.hdr-theme-toggle-desk {
  display: inline-flex !important;
}

@media (max-width: 768px) {
  .hdr-theme-toggle-desk {
    display: none !important;
  }
  .theme-segmented-switch,
  .hdr-theme-toggle-mob {
    display: flex !important;
  }
  .hdr-tools {
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
    width: 100% !important;
    margin: 4px 0 !important;
  }
  .hdr-tools .lang-dropdown {
    width: 100% !important;
    position: relative !important;
    display: block !important;
  }
  .hdr-tools .lang-dropdown-btn {
    width: 100% !important;
    height: 44px !important;
    padding: 0 14px !important;
    border-radius: 12px !important;
    background: rgba(0, 0, 0, 0.04) !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    color: inherit !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 8px !important;
    cursor: pointer !important;
  }
  [data-theme="dark"] .hdr-tools .lang-dropdown-btn {
    background: rgba(255, 255, 255, 0.06) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
  }
  .hdr-tools .lang-dropdown-btn .hdr-tool-text {
    display: block !important;
    flex: 1 !important;
    text-align: left !important;
    font-size: 14px !important;
    font-weight: 550 !important;
    white-space: nowrap !important;
  }
  .hdr-tools .lang-dropdown-btn .hdr-tool-chevron {
    display: inline-flex !important;
    width: 16px !important;
    height: 16px !important;
    margin-left: auto !important;
    opacity: 0.6 !important;
    transition: transform 0.22s ease !important;
  }
  .hdr-tools .lang-dropdown.open .lang-dropdown-btn .hdr-tool-chevron {
    transform: rotate(180deg) !important;
  }
  .hdr-tools .lang-dropdown-menu {
    position: static !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    width: 100% !important;
    margin-top: 6px !important;
    box-sizing: border-box !important;
    max-height: 0 !important;
    overflow: hidden !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: none !important;
    box-shadow: none !important;
    background: rgba(0, 0, 0, 0.03) !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    border-radius: 10px !important;
    transition: max-height 0.26s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease, visibility 0.2s !important;
    pointer-events: none !important;
  }
  [data-theme="dark"] .hdr-tools .lang-dropdown-menu {
    background: rgba(255, 255, 255, 0.04) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
  }
  .hdr-tools .lang-dropdown.open .lang-dropdown-menu {
    max-height: 380px !important;
    opacity: 1 !important;
    visibility: visible !important;
    overflow-y: auto !important;
    pointer-events: auto !important;
  }
}

/* 保护描边 SVG 避免被全局 .btn-icon svg { fill: currentColor; } 强行填成实心黑圆 */
svg.lang-globe-icon,
svg.lang-globe-icon *,
.theme-seg-btn svg.seg-icon,
.theme-seg-btn svg.seg-icon * {
  fill: none !important;
  stroke: currentColor !important;
}

.theme-segmented-switch {
  position: relative;
  align-items: center;
  width: 100%;
  height: 44px;
  padding: 3px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-sizing: border-box;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
[data-theme="dark"] .theme-segmented-switch {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}
.theme-segmented-switch .theme-switch-slider {
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: 3px;
  width: calc(50% - 3px);
  border-radius: 9px;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.06);
  transform: translateX(0);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s ease, box-shadow 0.2s ease;
  pointer-events: none;
  z-index: 1;
}
[data-theme="dark"] .theme-segmented-switch .theme-switch-slider {
  transform: translateX(100%);
  background: #27272a;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.08);
}
.theme-seg-btn {
  position: relative;
  z-index: 2;
  flex: 1;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 550;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color 0.2s ease, transform 0.15s ease;
}
.theme-seg-btn:active {
  transform: scale(0.97);
}
.theme-seg-btn .seg-icon {
  width: 17px;
  height: 17px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), stroke 0.2s ease;
}
html:not([data-theme="dark"]) .theme-seg-btn[data-theme-val="light"] {
  color: var(--text-primary);
  font-weight: 650;
}
html:not([data-theme="dark"]) .theme-seg-btn[data-theme-val="light"] .seg-icon {
  transform: rotate(20deg) scale(1.1);
  stroke: var(--text-primary);
}
html[data-theme="dark"] .theme-seg-btn[data-theme-val="dark"] {
  color: #ffffff;
  font-weight: 650;
}
html[data-theme="dark"] .theme-seg-btn[data-theme-val="dark"] .seg-icon {
  transform: rotate(-15deg) scale(1.1);
  stroke: #ffffff;
}

/* ── Language Dropdown ── */
.lang-dropdown {
  position: relative;
  display: inline-block;
}
.lang-dropdown-btn {
  cursor: pointer;
}
.lang-dropdown-btn .lang-globe-icon {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  display: inline-block;
}
.lang-dropdown-btn .hdr-tool-chevron {
  width: 14px;
  height: 14px;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.lang-dropdown.open .lang-dropdown-btn .hdr-tool-chevron {
  transform: rotate(180deg);
}

@media (min-width: 769px) {
  .theme-segmented-switch,
  .hdr-theme-toggle-mob {
    display: none !important;
  }
  .hdr-theme-toggle-desk {
    display: inline-flex !important;
  }
  .hdr-tools {
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
    margin-left: 8px !important;
    width: auto !important;
  }
  .hdr-tools .lang-dropdown {
    display: inline-block !important;
    width: auto !important;
  }
  .hdr-tools .lang-dropdown-btn {
    width: 36px !important;
    height: 36px !important;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
  .hdr-tools .lang-dropdown-btn .hdr-tool-text,
  .hdr-tools .lang-dropdown-btn .hdr-tool-chevron {
    display: none !important;
  }
}
.lang-dropdown-menu {
  display: block;
  opacity: 0;
  visibility: hidden;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  padding: 5px;
  min-width: 140px;
  z-index: 1000;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transform: translateY(-8px) scale(0.97);
  transform-origin: top right;
  transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1), transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.22s;
  pointer-events: none;
}
.lang-dropdown.open .lang-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.lang-dropdown-menu a,
.lang-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  border-radius: 6px;
  transition: all var(--transition-fast);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.lang-item-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 18px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(128, 128, 128, 0.12);
  color: var(--text-muted);
  font-family: monospace;
  flex-shrink: 0;
}
.lang-item-label {
  flex: 1;
  white-space: nowrap;
}
.lang-item-check {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.lang-dropdown-menu a:hover,
.lang-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}
[data-theme="light"] .lang-dropdown-menu a:hover,
[data-theme="light"] .lang-item:hover {
  background: rgba(0, 0, 0, 0.05);
}
.lang-dropdown-menu a.active,
.lang-item.active {
  background: var(--brand-primary);
  color: #ffffff !important;
}
.lang-item.active .lang-item-badge {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}
.lang-item.active .lang-item-check {
  opacity: 1;
  transform: scale(1);
  color: #ffffff;
}


.portal-notice-bar{display:none;position:fixed;top:0;left:0;right:0;height:45px;z-index:1000;align-items:center;justify-content:center;padding:0 24px;box-sizing:border-box;background:var(--bg-secondary,#111);color:var(--text-primary,#fff);border-bottom:1px solid var(--border-color,rgba(255,255,255,.08));text-align:center}
.portal-notice-bar.is-on{display:flex}
.portal-notice-text{max-width:min(960px,100%);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:500;line-height:20px}
body.portal-has-notice{padding-top:45px}


/* Home specific styles */
.hero {
  position: relative;
  padding: calc(var(--nav-height) + 80px) 0 80px;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.hero-background { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
#hero-particles { position: absolute; inset: 0; z-index: 1; }
.glow-blob { position: absolute; filter: blur(100px); opacity: 0.6; border-radius: 50%; }
.blob-1 { top: -10%; left: 10%; width: 500px; height: 500px; background: color-mix(in srgb, var(--brand-primary) 30%, transparent); }
[data-theme="light"] .blob-1 { background: color-mix(in srgb, var(--brand-primary) 20%, transparent); }
.blob-2 { top: 20%; right: 10%; width: 400px; height: 400px; background: color-mix(in srgb, var(--brand-secondary) 25%, transparent); }
[data-theme="light"] .blob-2 { background: color-mix(in srgb, var(--brand-secondary) 15%, transparent); }
.noise-overlay { position: absolute; inset: 0; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E"); opacity: 0.03; mix-blend-mode: overlay; z-index: 2; }
.hero-content { position: relative; z-index: 10; max-width: 800px; padding: 0 24px; display: flex; flex-direction: column; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 9999px; font-size: 14px; font-weight: 500; color: var(--text-primary); margin-bottom: 32px; box-shadow: var(--shadow-sm); }
.hero-title { font-size: clamp(2.5rem, 4vw, 4rem); font-weight: 800; letter-spacing: -0.04em; line-height: 1.1; margin-bottom: 24px; color: var(--text-primary); }
.hero-subtitle { font-size: clamp(1.1rem, 2vw, 1.25rem); color: var(--text-secondary); max-width: 650px; margin-bottom: 40px; line-height: 1.6; }

.api-display-container { width: 100%; max-width: 580px; margin: 0 auto 48px; }
.api-address-box { display: flex; align-items: center; justify-content: space-between; background: var(--bg-card); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid var(--border-color); padding: 6px 6px 6px 24px; border-radius: 9999px; box-shadow: var(--shadow-sm); transition: all var(--transition-fast); }
.api-address-box:hover { border-color: color-mix(in srgb, var(--brand-primary) 40%, transparent); box-shadow: var(--shadow-md); }
.api-prefix { color: var(--text-muted); font-size: 14px; padding-right: 16px; border-right: 1px solid var(--border-color); margin-right: 16px; }
#api-url-text { color: var(--text-primary); font-family: var(--font-sans); font-size: 16px; font-weight: 500; flex: 1; text-align: left; background: none; border: none; padding: 0; }
.api-copy-btn { background: var(--brand-primary); color: #fff; border: none; padding: 10px 20px; border-radius: 9999px; font-size: 14px; font-weight: 500; cursor: pointer; display: flex; align-items: center; gap: 8px; transition: all var(--transition-fast); position: relative; }
.api-copy-btn:hover { filter: brightness(0.9); transform: translateY(-1px); }
.api-copy-btn .btn-text { color: #fff; }
.copy-tooltip { position: absolute; top: -40px; left: 50%; transform: translateX(-50%) translateY(10px); background: #10b981; color: #fff; padding: 6px 12px; border-radius: 6px; font-size: 12px; font-weight: 600; opacity: 0; pointer-events: none; transition: all 0.2s; white-space: nowrap; }
.api-copy-btn.copied .copy-tooltip { opacity: 1; transform: translateX(-50%) translateY(0); }

.hero-marquee-container { width: 100%; max-width: 1200px; overflow: hidden; position: relative; z-index: 20; }
.hero-marquee { display: flex; overflow: hidden; --gap: 4rem; gap: var(--gap); padding: 24px 0; mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent); -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent); }
.marquee-track { display: flex; min-width: 100%; flex-shrink: 0; align-items: center; gap: var(--gap); animation: scrollMarquee 40s linear infinite; }
.marquee-item { opacity: 0.5; transition: opacity var(--transition-fast); filter: grayscale(1); }
.marquee-item:hover { opacity: 1; filter: grayscale(0); }
.marquee-text { font-size: 1.25rem; font-weight: 700; white-space: nowrap; }
@keyframes scrollMarquee { 0% { transform: translateX(0); } 100% { transform: translateX(calc(-100% - var(--gap))); } }

.stats { padding: 40px 0; background: var(--bg-secondary); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.si b { display: block; font-size: 36px; font-weight: 800; color: var(--text-primary); margin-bottom: 8px; letter-spacing: -1px; }
.si span { color: var(--text-secondary); font-size: 15px; font-weight: 500; }
@media(max-width: 768px) { .stats-row { grid-template-columns: repeat(2, 1fr); gap: 32px; } }

.feat-sec { padding: 100px 0; background: var(--bg-primary); text-align: center; }
.feat-sec h2 { font-size: 32px; font-weight: 800; color: var(--text-primary); margin-bottom: 16px; }
.feat-sec .sub { color: var(--text-secondary); font-size: 18px; margin-bottom: 60px; }
.feat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 32px; text-align: left; }
.feat-card { padding: 32px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 16px; transition: all var(--transition-normal); }
.feat-card:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--brand-primary) 30%, transparent); box-shadow: var(--shadow-lg); }
.feat-card .ic { width: 48px; height: 48px; border-radius: 12px; background: color-mix(in srgb, var(--brand-primary) 10%, transparent); color: var(--brand-primary); display: flex; align-items: center; justify-content: center; margin-bottom: 24px; }
.feat-card h3 { font-size: 20px; font-weight: 700; color: var(--text-primary); margin-bottom: 12px; }
.feat-card p { color: var(--text-secondary); font-size: 15px; line-height: 1.6; }

.qnav { padding: 0 0 100px; background: var(--bg-primary); }
.qnav-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.qnav-card { display: block; padding: 32px; background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 16px; transition: all var(--transition-normal); position: relative; overflow: hidden; }
.qnav-card:hover { border-color: color-mix(in srgb, var(--brand-primary) 40%, transparent); transform: translateY(-4px); box-shadow: var(--shadow-md); background: color-mix(in srgb, var(--brand-primary) 5%, transparent); }
.qnav-card .qic { width: 40px; height: 40px; color: var(--text-primary); margin-bottom: 20px; }
.qnav-card h3 { font-size: 22px; font-weight: 700; color: var(--text-primary); margin-bottom: 12px; }
.qnav-card p { color: var(--text-secondary); font-size: 15px; margin-bottom: 0; }
.qnav-card .arr { position: absolute; right: 32px; top: 32px; font-size: 24px; color: var(--brand-primary); opacity: 0; transform: translateX(-10px); transition: all var(--transition-normal); }
.qnav-card:hover .arr { opacity: 1; transform: translateX(0); }

.friend-links-sec { padding: 0 0 80px; background: var(--bg-primary); text-align: center; }
.friend-links-title { font-size: 24px; font-weight: 700; color: var(--text-primary); margin-bottom: 24px; letter-spacing: -0.02em; }
.friend-links-grid { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 16px; }
.friend-link-item { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 12px; color: var(--text-secondary); font-size: 15px; font-weight: 600; text-decoration: none; transition: all var(--transition-fast); }
.friend-link-item:hover { border-color: color-mix(in srgb, var(--brand-primary) 50%, transparent); color: var(--text-primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }
[data-portal-style="tech"] .friend-link-item { border-radius: 0px !important; }
.friend-link-icon { display: inline-flex; align-items: center; flex-shrink: 0; }
.friend-link-icon svg { width: 18px; height: 18px; }
.friend-link-icon-img { width: 18px; height: 18px; object-fit: contain; flex-shrink: 0; }

/* CTA Banner styles */
.cta-banner {
  padding: 100px 0;
  background: transparent;
  text-align: center;
}
.cta-content {
  max-width: 800px;
  margin: 0 auto;
  background: transparent;
  padding: 40px 24px;
}
.cta-content h2 {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}
.cta-desc {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.6;
}
.cta-desc code {
  background: #0f1015;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--brand-primary);
  padding: 4px 10px;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.95em;
  margin: 0 4px;
  white-space: nowrap;
}
[data-theme="light"] .cta-desc code {
  background: color-mix(in srgb, var(--brand-primary) 5%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand-primary) 15%, transparent);
  color: var(--brand-secondary);
}
.cta-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
}
.cta-actions a {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 9999px;
  font-size: 16px;
  font-weight: 600;
  transition: all 0.3s ease;
  text-decoration: none;
  white-space: nowrap;
}
.cta-primary {
  background: var(--brand-primary) !important;
  color: #ffffff !important;
  border: none !important;
  box-shadow: 0 4px 14px rgba(128, 128, 128, 0.15);
}
.cta-primary:hover {
  filter: brightness(0.9);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(128, 128, 128, 0.25);
}
.cta-secondary-wrapper {
  position: relative;
  display: inline-flex;
  border-radius: 9999px;
}
.cta-secondary-wrapper::before {
  content: '';
  position: absolute;
  inset: 0px;
  background: linear-gradient(90deg, #f26058 0%, #f08b29 35%, #e2aa30 70%, #829c87 100%);
  border-radius: 9999px;
  filter: blur(14px);
  opacity: 0.75;
  z-index: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, filter 0.3s ease;
}
.cta-secondary-wrapper:hover::before {
  opacity: 0.95;
  filter: blur(18px);
}
.cta-secondary {
  position: relative;
  z-index: 1;
  background: linear-gradient(90deg, #f26058 0%, #f08b29 35%, #e2aa30 70%, #829c87 100%) !important;
  color: #ffffff !important;
  border: none !important;
  box-shadow: none !important;
}
.cta-secondary:hover {
  transform: translateY(-2px);
}
@media(max-width: 768px) {
  .cta-actions {
    flex-direction: column;
    gap: 16px;
  }
  .cta-secondary-wrapper {
    width: 100%;
  }
  .cta-actions a {
    width: 100%;
    text-align: center;
  }
}

/* Tech theme specific styles */
.tech-split-hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: calc(var(--nav-height) + 60px) 24px 60px;
  min-height: 80vh;
}
.tech-left {
  flex: 1;
  text-align: left;
}
.tech-right {
  width: 48%;
  max-width: 550px;
}
.tech-title {
  font-size: clamp(2rem, 3.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-primary);
}
.tech-subtitle {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 30px;
}
.tech-terminal {
  background: #09090b;
  border: 1px solid var(--brand-primary);
  box-shadow: var(--shadow-glow);
  width: 100%;
  overflow: hidden;
  text-align: left;
}
.terminal-hdr {
  display: flex;
  align-items: center;
  background: #18181b;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.terminal-dots {
  display: flex;
  gap: 6px;
}
.terminal-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: #ef4444; }
.dot.yellow { background: #eab308; }
.dot.green { background: #22c55e; }
.terminal-title {
  margin-left: 16px;
  font-size: 12px;
  color: #a1a1aa;
  font-family: monospace;
}
.terminal-body {
  padding: 16px;
}
.terminal-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding-bottom: 8px;
}
.term-tab {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.1);
  color: #a1a1aa;
  padding: 4px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.term-tab.active, .term-tab:hover {
  background: rgba(255,255,255,0.05);
  color: var(--brand-primary);
  border-color: var(--brand-primary);
}
.term-code {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-all;
  font-size: 13.5px;
  line-height: 1.5;
  color: #e4e4e7;
  font-family: 'JetBrains Mono', monospace;
}
.t-cmd { color: #f43f5e; }
.t-str { color: #10b981; }
.t-key { color: #60a5fa; }
.t-val { color: #f59e0b; }
.t-kwd { color: #a78bfa; }

/* Dark Gradient cosmic SaaS specific styles */
.cosmic-hero {
  position: relative;
  padding: calc(var(--nav-height) + 80px) 0 80px;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.cosmic-title {
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 850;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 20%, rgba(255,255,255,0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
[data-theme="light"] .cosmic-title {
  background: linear-gradient(135deg, #09090b 20%, #3f3f46 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cosmic-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.6;
}
/* 3D Stack Card Wall */
.neon-card-wall {
  position: relative;
  width: 100%;
  max-width: 600px;
  height: 220px;
  margin: 40px auto 0;
  perspective: 1000px;
}
.neon-stack-card {
  position: absolute;
  width: 200px;
  height: 110px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
  cursor: pointer;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
}
[data-theme="light"] .neon-stack-card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}
.neon-stack-card:hover {
  transform: translateY(-12px) rotateY(-8deg) scale(1.08) !important;
  border-color: var(--brand-primary);
  box-shadow: 0 15px 35px rgba(236, 72, 153, 0.25);
  z-index: 20 !important;
}
.card-openai { top: 0; left: 40px; transform: rotate(-8deg); z-index: 10; }
.card-claude { top: 20px; right: 40px; transform: rotate(6deg); z-index: 11; }
.card-deepseek { bottom: 10px; left: 80px; transform: rotate(-4deg); z-index: 12; }
.card-gemini { bottom: 20px; right: 80px; transform: rotate(3deg); z-index: 13; }

.neon-stack-card.active {
  transform: translateY(-16px) rotateY(0deg) scale(1.12) !important;
  border-color: var(--brand-primary) !important;
  box-shadow: 0 15px 40px rgba(236, 72, 153, 0.35) !important;
  z-index: 50 !important;
}
.neon-stack-card.dimmed {
  opacity: 0.25 !important;
  transform: scale(0.88) !important;
  filter: blur(1px);
}

/* Cosmic SaaS Calculator specific styles */
.cosmic-calculator-container {
  transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.cosmic-calculator {
  position: relative;
  border-radius: 16px;
  background: rgba(20, 20, 20, 0.5);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
  text-align: left;
}
[data-theme="light"] .cosmic-calculator {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.05);
}
.calc-inner {
  padding: 24px;
}
.calc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.calc-title {
  font-size: 16px;
  font-weight: 800;
  margin: 0;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.calc-close {
  font-size: 24px;
  cursor: pointer;
  color: var(--text-muted);
  transition: color 0.2s;
  line-height: 1;
}
.calc-close:hover {
  color: var(--text-primary);
}
.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 24px;
  align-items: center;
}
.calc-model-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
[data-theme="light"] .calc-model-badge {
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.04);
}
.calc-model-logo {
  font-size: 24px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
}
[data-theme="light"] .calc-model-logo {
  background: rgba(0, 0, 0, 0.04);
}
.calc-model-badge h4 {
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 2px;
  color: var(--text-primary);
  word-break: break-all;
}
.calc-model-badge p {
  font-size: 11px;
  color: var(--text-secondary);
  margin: 0;
}
.calc-rates {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.rate-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-secondary);
}
.rate-val {
  font-weight: 600;
  color: var(--text-primary);
}
/* Sliders style */
.slider-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.slider-label {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-secondary);
}
.slider-val {
  font-weight: 700;
  color: var(--brand-primary);
}
/* Advanced sliders input track styling */
.slider-group input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
}
[data-theme="light"] .slider-group input[type="range"] {
  background: rgba(0, 0, 0, 0.08);
}
.slider-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--brand-primary);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 0 10px rgba(236, 72, 153, 0.4);
  transition: transform 0.1s;
}
.slider-group input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}
/* Total cost bar */
.calc-total-bar {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
[data-theme="light"] .calc-total-bar {
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}
.total-cost-box {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.total-cost-box span {
  font-size: 12px;
  color: var(--text-muted);
}
.total-cost-val {
  font-size: 26px;
  font-weight: 850;
  color: var(--text-primary);
}
.save-cost-box {
  text-align: right;
}
.save-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 99px;
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 4px;
}
.save-cost-box p {
  font-size: 11px;
  color: var(--text-muted);
  margin: 0;
}
@media(max-width: 768px) {
  .calc-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.neon-stack-card .card-icon {
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.neon-stack-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--text-primary);
}
.neon-stack-card p {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0;
}

@media(max-width: 768px) {
  .tech-split-hero {
    flex-direction: column;
    padding-top: calc(var(--nav-height) + 30px);
    text-align: center;
    gap: 30px;
  }
  .tech-left {
    text-align: center;
  }
  .tech-right {
    width: 100%;
  }
  .neon-card-wall {
    height: 380px;
    max-width: 280px;
  }
  .card-openai { top: 0; left: 50%; transform: translateX(-50%) rotate(-3deg); }
  .card-claude { top: 90px; left: 50%; transform: translateX(-50%) rotate(3deg); }
  .card-deepseek { top: 180px; left: 50%; transform: translateX(-50%) rotate(-2deg); }
  .card-gemini { top: 270px; left: 50%; transform: translateX(-50%) rotate(2deg); }
}

.terminal-run-btn {
  margin-left: auto;
  background: var(--brand-primary);
  border: none;
  color: #fff !important;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  border-radius: 4px;
  transition: all 0.2s;
  height: 24px;
}
.terminal-run-btn:hover {
  filter: brightness(1.15);
}
.terminal-run-btn.running {
  background: #27272a;
  color: #71717a !important;
  cursor: not-allowed;
}
.terminal-output-window {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 12px;
  padding-top: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: #a1a1aa;
  max-height: 200px;
  overflow-y: auto;
  line-height: 1.6;
}
.output-stream-content {
  color: #f4f4f5;
  white-space: pre-wrap;
  word-break: break-all;
  border-left: 2px solid var(--brand-primary);
  padding-left: 10px;
  margin: 10px 0;
}