/**
 * PragCore Universal UI Component Primitives (v3.0.0)
 * Single Source of Truth for all PragCore surfaces and products.
 * Depends on tokens.css (:root).
 */

/* ——— Accessibility & Focus Hierarchy ——— */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 0.75rem 1.25rem;
  background: var(--prag-cyan, #00f2fe);
  color: var(--prag-ink, #0a0a12);
  font-family: var(--prag-font-ui, -apple-system, sans-serif);
  font-weight: 700;
  text-decoration: none;
  border-radius: 6px;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

:focus-visible {
  outline: 2px solid var(--prag-cyan, #00f2fe);
  outline-offset: 2px;
}

/* ——— Brand Wordmark & Glyph ——— */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: inherit;
  font-family: var(--prag-font-display, -apple-system, sans-serif);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.035em;
  transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.brand:hover {
  transform: scale(1.02);
}

.brand-glyph {
  width: 16px;
  height: 16px;
  display: inline-block;
  flex-shrink: 0;
  background-color: var(--prag-cobalt, #1552d6);
  -webkit-mask: url("/assets/coremark.svg") no-repeat center / contain;
  mask: url("/assets/coremark.svg") no-repeat center / contain;
  filter: drop-shadow(0 0 12px rgba(21, 82, 214, 0.45));
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.brand:hover .brand-glyph {
  transform: rotate(15deg) scale(1.12);
}

/* ——— Navigation Links ——— */
.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1.5rem;
}

.nav-link {
  display: inline-flex;
  align-items: baseline;
  font-family: var(--prag-font-ui, -apple-system, sans-serif);
  font-size: 0.84rem;
  font-weight: 550;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--prag-textPrimary, #f0f2f6);
  opacity: 0.85;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  opacity: 1;
  color: var(--prag-cyan, #00f2fe);
}

/* ——— Theme Picker ——— */
.theme-picker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: inherit;
}

.theme-picker-label {
  font-family: var(--prag-font-ui, -apple-system, sans-serif);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--prag-textSecondary, #94a3b8);
}

.theme-picker-select {
  appearance: none;
  -webkit-appearance: none;
  min-width: 6.5rem;
  padding: 0.3rem 1.6rem 0.3rem 0.65rem;
  border: 1px solid var(--prag-surfaceBorder, rgba(255, 255, 255, 0.08));
  border-radius: 6px;
  background: var(--prag-glass-bg, rgba(10, 14, 24, 0.68));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: var(--prag-textPrimary, #f0f2f6);
  font-family: var(--prag-font-ui, -apple-system, sans-serif);
  font-size: 0.72rem;
  font-weight: 550;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.theme-picker-select:hover,
.theme-picker-select:focus-visible {
  border-color: var(--prag-cyan, #00f2fe);
  color: #ffffff;
}

/* ——— PragDesign Frosted Glass Cards (Universal Surface) ——— */
.prag-glass-card,
.prag-card,
.platform-card {
  position: relative;
  background: var(--prag-glass-bg, rgba(10, 14, 24, 0.68));
  backdrop-filter: var(--prag-glass-blur, blur(28px) saturate(190%));
  -webkit-backdrop-filter: var(--prag-glass-blur, blur(28px) saturate(190%));
  border: 1px solid var(--prag-glass-border, rgba(255, 255, 255, 0.08));
  border-radius: var(--prag-radius-xl, 22px);
  box-shadow: var(--prag-glass-top-bevel, inset 0 1px 0 0 rgba(255, 255, 255, 0.14)),
              var(--prag-glass-shadow, 0 16px 40px rgba(0, 0, 0, 0.55));
  padding: var(--prag-space-xl, 24px);
  color: var(--prag-textPrimary, #f0f2f6);
  overflow: hidden;
  transition: transform 0.24s cubic-bezier(0.2, 0.8, 0.2, 1),
              border-color 0.24s ease,
              box-shadow 0.24s ease;
}

.prag-glass-card:hover,
.prag-card:hover,
.platform-card:hover {
  transform: translateY(-3px);
  border-color: var(--prag-glass-border-hover, rgba(255, 255, 255, 0.18));
  box-shadow: var(--prag-glass-top-bevel-hover, inset 0 1px 0 0 rgba(255, 255, 255, 0.24)),
              var(--prag-glass-shadow-hover, 0 24px 56px rgba(0, 0, 0, 0.75));
}

.prag-glass-card::before,
.platform-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
  pointer-events: none;
}

/* ——— PragDesign macOS Window Chrome Header ——— */
.prag-window-chrome,
.window-chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  border-top-left-radius: inherit;
  border-top-right-radius: inherit;
  margin: calc(-1 * var(--prag-space-xl, 24px)) calc(-1 * var(--prag-space-xl, 24px)) var(--prag-space-lg, 20px);
}

.prag-window-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}

.prag-window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.3);
}

.prag-window-dot.dot-close { background: rgba(244, 63, 94, 0.65); }
.prag-window-dot.dot-min { background: rgba(251, 191, 36, 0.65); }
.prag-window-dot.dot-max { background: rgba(16, 185, 129, 0.65); }

.prag-window-domain {
  font-family: var(--prag-font-mono, monospace);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--prag-textSecondary, #94a3b8);
  padding: 0.18rem 0.65rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.prag-window-domain:hover {
  color: var(--prag-cyan, #00f2fe);
  border-color: rgba(0, 242, 254, 0.35);
}

/* ——— Apple Pro Button System ——— */
.prag-btn,
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--prag-font-ui, -apple-system, sans-serif);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.012em;
  line-height: 1;
  text-decoration: none;
  padding: 0.65rem 1.35rem;
  border-radius: var(--prag-radius-pill, 9999px);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  border: 1px solid transparent;
  transition: transform 0.24s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.24s cubic-bezier(0.2, 0.8, 0.2, 1),
              background 0.2s ease,
              border-color 0.2s ease,
              color 0.2s ease;
}

.prag-btn:active,
.btn:active {
  transform: scale(0.98);
}

/* Primary Titanium Solid Button */
.prag-btn-primary,
.btn-primary {
  background: #ffffff;
  color: #0a0a12;
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.95),
              0 6px 20px rgba(0, 0, 0, 0.35);
}

.prag-btn-primary:hover,
.btn-primary:hover {
  background: #f8fafc;
  transform: translateY(-2px);
  box-shadow: inset 0 1px 0 0 #ffffff,
              0 8px 24px rgba(255, 255, 255, 0.18),
              0 12px 32px rgba(0, 0, 0, 0.45);
}

/* Ghost Frosted Glass Button */
.prag-btn-ghost,
.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.16);
}

.prag-btn-ghost:hover,
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.28);
  transform: translateY(-2px);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.28),
              0 6px 20px rgba(0, 0, 0, 0.35);
}

/* Gummy 3D Soft-Body Button (Scott Sun Pattern) */
.prag-btn-gummy {
  background: radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.18), transparent 70%),
              var(--prag-glass-bg, rgba(10, 14, 24, 0.68));
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 1px 2px 0 rgba(255, 255, 255, 0.35),
              0 8px 24px rgba(0, 0, 0, 0.45);
  color: #ffffff;
  overflow: visible !important;
}

.prag-btn-gummy:hover {
  transform: translateY(-2px) scale(1.02);
  border-color: rgba(0, 242, 254, 0.5);
  box-shadow: inset 0 1px 2px 0 rgba(255, 255, 255, 0.5),
              0 0 20px rgba(0, 242, 254, 0.25),
              0 10px 28px rgba(0, 0, 0, 0.55);
}

.prag-btn-gummy:active {
  transform: scale(0.96);
  transition: transform 0.1s ease-out;
}

/* Signal Triad Accent Buttons */
.prag-btn-cyan {
  background: var(--prag-cyan, #00f2fe);
  color: var(--prag-ink, #0a0a12);
  border-color: var(--prag-cyan, #00f2fe);
  box-shadow: 0 0 16px var(--prag-glowCyan, rgba(0, 242, 254, 0.35));
}
.prag-btn-emerald {
  background: var(--prag-emerald, #10b981);
  color: #ffffff;
  border-color: var(--prag-emerald, #10b981);
  box-shadow: 0 0 16px var(--prag-glowEmerald, rgba(16, 185, 129, 0.35));
}
.prag-btn-amber {
  background: var(--prag-amber, #fbbf24);
  color: #0a0a12;
  border-color: var(--prag-amber, #fbbf24);
  box-shadow: 0 0 16px var(--prag-glowAmber, rgba(251, 191, 36, 0.35));
}
.prag-btn-crimson {
  background: var(--prag-crimson, #f43f5e);
  color: #ffffff;
  border-color: var(--prag-crimson, #f43f5e);
  box-shadow: 0 0 16px var(--prag-glowCrimson, rgba(244, 63, 94, 0.35));
}

/* Button Sizing */
.prag-btn-sm { padding: 0.35rem 0.85rem; font-size: 0.78rem; min-height: 28px; }
.prag-btn-md { padding: 0.65rem 1.35rem; font-size: 0.92rem; min-height: 38px; }
.prag-btn-lg { padding: 0.85rem 1.85rem; font-size: 1.02rem; min-height: 48px; }

/* Touch Target Hit-Slop Expansion for Coarse Pointers (WCAG 2.1 SC 2.5.5 >= 44pt) */
@media (pointer: coarse) {
  .prag-btn-sm,
  .prag-btn-md {
    min-height: 44px;
    min-width: 44px;
  }
}

/* ——— Badges & Vitality Capsules ——— */
.prag-capsule,
.topbar-capsule {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  height: 28px;
  min-height: 28px;
  max-height: 28px;
  padding: 0 0.75rem;
  background: var(--prag-glass-bg, rgba(10, 14, 24, 0.68));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--prag-glass-border, rgba(255, 255, 255, 0.08));
  border-radius: var(--prag-radius-pill, 9999px);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.12);
  white-space: nowrap;
  flex-shrink: 0;
  user-select: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.prag-capsule:hover {
  transform: translateY(-1px);
  border-color: var(--prag-glass-border-hover, rgba(255, 255, 255, 0.18));
}

.prag-capsule-val {
  font-family: var(--prag-font-ui, -apple-system, sans-serif);
  font-size: 0.6875rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1;
}

.prag-capsule-sub {
  font-family: var(--prag-font-mono, monospace);
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--prag-textSecondary, #94a3b8);
  font-feature-settings: "tnum" 1;
  line-height: 1;
}

.prag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--prag-font-mono, monospace);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 9999px;
  white-space: nowrap;
  line-height: 1;
}

.prag-badge-cyan {
  background: rgba(0, 242, 254, 0.12);
  color: var(--prag-cyan, #00f2fe);
  border: 1px solid rgba(0, 242, 254, 0.35);
}
.prag-badge-emerald {
  background: rgba(16, 185, 129, 0.12);
  color: var(--prag-emerald, #10b981);
  border: 1px solid rgba(16, 185, 129, 0.35);
}
.prag-badge-amber {
  background: rgba(251, 191, 36, 0.12);
  color: var(--prag-amber, #fbbf24);
  border: 1px solid rgba(251, 191, 36, 0.35);
}
.prag-badge-crimson {
  background: rgba(244, 63, 94, 0.12);
  color: var(--prag-crimson, #f43f5e);
  border: 1px solid rgba(244, 63, 94, 0.35);
}

/* ——— Executive Ambient Top Bar (50px Locked Height) ——— */
.prag-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 50px;
  min-height: 50px;
  max-height: 50px;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  background: rgba(10, 14, 24, 0.85);
  backdrop-filter: blur(28px) saturate(190%);
  -webkit-backdrop-filter: blur(28px) saturate(190%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  -webkit-app-region: drag;
}

body.is-electron .prag-topbar {
  padding-left: 88px;
}

.prag-topbar button,
.prag-topbar a,
.prag-topbar input,
.prag-topbar select,
.prag-topbar .interactive {
  -webkit-app-region: no-drag;
}

.prag-topbar-tools {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.prag-segmented-control {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
}

.prag-seg-btn {
  background: transparent;
  border: none;
  color: var(--prag-textSecondary, #94a3b8);
  padding: 4px 8px;
  border-radius: 6px;
  font-family: var(--prag-font-ui, -apple-system, sans-serif);
  font-size: 0.72rem;
  font-weight: 550;
  cursor: pointer;
  transition: all 0.15s ease;
}

.prag-seg-btn.is-active,
.prag-seg-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

/* Command Palette / Search Pill */
.prag-search-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 28px;
  padding: 0 0.65rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 9999px;
  color: var(--prag-textSecondary, #94a3b8);
  font-family: var(--prag-font-ui, -apple-system, sans-serif);
  font-size: 0.72rem;
  font-weight: 550;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.prag-search-pill:hover {
  border-color: var(--prag-cyan, #00f2fe);
  color: #ffffff;
}

.prag-kbd {
  font-family: var(--prag-font-mono, monospace);
  font-size: 0.62rem;
  padding: 0.1rem 0.35rem;
  background: rgba(255, 255, 255, 0.10);
  border-radius: 4px;
  color: #ffffff;
}

/* ——— 4-Column Progressive Disclosure Miller Rail Layout ——— */
.prag-miller-grid {
  display: grid;
  grid-template-columns: 260px 320px 1fr 340px;
  height: calc(100vh - 50px);
  width: 100vw;
  overflow: hidden;
  background: var(--prag-void, #030306);
}

.prag-miller-col {
  height: 100%;
  overflow-y: auto;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.25rem;
  box-sizing: border-box;
}

.prag-miller-col:last-child {
  border-right: none;
}

.prag-miller-col-navigator { background: rgba(8, 11, 20, 0.95); }
.prag-miller-col-stream { background: rgba(10, 14, 24, 0.85); }
.prag-miller-col-inspector { background: rgba(12, 16, 28, 0.75); }
.prag-miller-col-action { background: rgba(8, 11, 20, 0.95); }

/* ——— Regular-Person Conversational Explainer HUD ——— */
.prag-explainer-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.95rem;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.35);
  border-radius: 9999px;
  color: var(--prag-cyan, #00f2fe);
  font-family: var(--prag-font-ui, -apple-system, sans-serif);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.12);
}

.prag-explainer-chip:hover {
  background: rgba(0, 242, 254, 0.18);
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.28);
}

/* ——— Hosting Environment Watermark & Subtle Badges ——— */
.hosting-env-banner {
  position: fixed;
  inset: 0;
  z-index: 2147483647;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  pointer-events: none;
  user-select: none;
}

.powered-by-pragcore {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border-radius: 9999px;
  background: rgba(7, 27, 58, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #f0ecfa;
  text-decoration: none;
  font-family: var(--prag-font-ui, -apple-system, sans-serif);
  font-size: 0.75rem;
  line-height: 1;
  transition: all 0.2s ease;
}

.powered-by-pragcore:hover {
  background: rgba(7, 27, 58, 0.75);
  border-color: rgba(0, 242, 254, 0.4);
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.25);
  transform: translateY(-2px);
}

/* ——— Prag Aqueos Architectural Glass (Non-Squishy, Rigid Crystalline Stillness) ——— */
.aqueos-glass-surface,
.aqueos-glass,
[data-aqueos-glass] {
  position: relative;
  background: rgba(3, 3, 6, 0.65);
  backdrop-filter: blur(40px) saturate(210%);
  -webkit-backdrop-filter: blur(40px) saturate(210%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.08), 0 8px 32px rgba(0, 0, 0, 0.4);
  transform: none !important;
  will-change: auto;
}

/* ——— Tensilux Centralized Predefined Typography Hierarchy & Primitives ——— */
.tensilux-heading-hero,
.prag-heading-hero {
  font-family: var(--tensilux-font-display, var(--prag-font-display, sans-serif));
  font-size: var(--tensilux-heading-hero-size, clamp(2.75rem, 2.2rem + 2.8vw, 4.5rem));
  font-weight: var(--tensilux-heading-hero-weight, 800);
  line-height: var(--tensilux-heading-hero-line-height, 1.0);
  letter-spacing: var(--tensilux-heading-hero-tracking, -0.04em);
  color: var(--tensilux-text-primary, #ffffff);
  margin: 0;
  overflow: visible !important;
  contain: none !important;
  clip-path: none !important;
}

.tensilux-heading-section,
.prag-heading-section {
  font-family: var(--tensilux-font-display, var(--prag-font-display, sans-serif));
  font-size: var(--tensilux-heading-section-size, clamp(2.2rem, 1.8rem + 1.8vw, 3.2rem));
  font-weight: var(--tensilux-heading-section-weight, 800);
  line-height: var(--tensilux-heading-section-line-height, 1.08);
  letter-spacing: var(--tensilux-heading-section-tracking, -0.04em);
  color: var(--tensilux-text-primary, #ffffff);
  margin: 0;
}

.tensilux-heading-card,
.prag-heading-card {
  font-family: var(--tensilux-font-display, var(--prag-font-display, sans-serif));
  font-size: var(--tensilux-heading-card-size, clamp(1.25rem, 1.15rem + 0.5vw, 1.65rem));
  font-weight: var(--tensilux-heading-card-weight, 700);
  line-height: var(--tensilux-heading-card-line-height, 1.2);
  letter-spacing: var(--tensilux-heading-card-tracking, -0.025em);
  color: var(--tensilux-text-primary, #ffffff);
  margin: 0;
}

.tensilux-subtitle,
.prag-subtitle {
  font-family: var(--tensilux-font-body, var(--prag-font-body, sans-serif));
  font-size: var(--tensilux-subtitle-size, clamp(1.05rem, 0.98rem + 0.35vw, 1.25rem));
  font-weight: var(--tensilux-subtitle-weight, 500);
  line-height: var(--tensilux-subtitle-line-height, 1.55);
  letter-spacing: var(--tensilux-subtitle-tracking, -0.015em);
  color: var(--tensilux-text-secondary, #cbd5e1);
  margin: 0;
}

.tensilux-body,
.prag-body {
  font-family: var(--tensilux-font-body, var(--prag-font-body, sans-serif));
  font-size: var(--tensilux-body-size, clamp(0.92rem, 0.88rem + 0.2vw, 1.05rem));
  font-weight: var(--tensilux-body-weight, 400);
  line-height: var(--tensilux-body-line-height, 1.65);
  letter-spacing: var(--tensilux-body-tracking, -0.01em);
  color: var(--tensilux-text-secondary, #cbd5e1);
  margin: 0;
}

.tensilux-telemetry,
.prag-telemetry {
  font-family: var(--tensilux-font-mono, var(--prag-font-mono, monospace));
  font-size: var(--tensilux-telemetry-size, 0.72rem);
  font-weight: var(--tensilux-telemetry-weight, 600);
  line-height: var(--tensilux-telemetry-line-height, 1.4);
  letter-spacing: var(--tensilux-telemetry-tracking, 0.04em);
  font-feature-settings: var(--tensilux-telemetry-feature-tnum, "tnum" 1);
  text-transform: uppercase;
  color: var(--tensilux-text-tertiary, #94a3b8);
}

/* Tensilux Spatial Text Elevation (Optical separation over dynamic 3D WebGL background realities) */
.tensilux-spatial-text,
[data-tensilux-spatial] {
  color: var(--tensilux-spatial-heading-color, #ffffff) !important;
  -webkit-text-fill-color: var(--tensilux-spatial-heading-color, #ffffff) !important;
  text-shadow: var(--tensilux-spatial-heading-shadow, 0 2px 24px rgba(0, 0, 0, 0.98)) !important;
}

.tensilux-spatial-subtitle,
[data-tensilux-spatial-sub] {
  color: var(--tensilux-spatial-subtitle-color, #ffffff) !important;
  -webkit-text-fill-color: var(--tensilux-spatial-subtitle-color, #ffffff) !important;
  text-shadow: var(--tensilux-spatial-subtitle-shadow, 0 2px 14px rgba(0, 0, 0, 0.98)) !important;
}

/* ——— Prag Tensilux Deformable Surface Primitives (Squishy, Magnetic Jelly Affordance) ——— */
.tensilux-surface,
[data-tensilux-panel] {
  position: relative;
  border-radius: 28px;
  border-radius: var(--card-radius-tl, 28px) var(--card-radius-tr, 28px) var(--card-radius-br, 28px) var(--card-radius-bl, 28px);
  corner-shape: squircle;
  transform-origin: var(--card-origin, 50% 50%);
  transform: translate3d(var(--card-dx, 0px), var(--card-dy, 0px), var(--lift-z, 0px))
             rotateX(var(--tilt-x, 0deg))
             rotateY(var(--tilt-y, 0deg))
             scale(var(--card-scale-x, 1), var(--card-scale-y, 1));
  backdrop-filter: blur(28px);
  backdrop-filter: blur(54px) saturate(190%) brightness(1.02);
  -webkit-backdrop-filter: blur(54px) saturate(190%) brightness(1.02);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.16), inset 0 2px 6px 0 rgba(255, 255, 255, 0.05), inset 0 0 24px 0 rgba(0, 242, 254, 0.04), 0 24px 56px -12px rgba(0, 0, 0, 0.75), 0 0 32px rgba(0, 242, 254, 0.08);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              border-radius 0.25s ease,
              border-color 0.35s ease,
              box-shadow 0.35s ease,
              background 0.35s ease;
  will-change: transform, border-radius;
}

.tensilux-surface.is-interacting,
[data-tensilux-panel].is-interacting {
  transition: border-color 0.35s ease,
              box-shadow 0.35s ease,
              background 0.35s ease;
}

.tensilux-surface::before,
[data-tensilux-panel]::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: radial-gradient(
    420px circle at var(--card-px, 50%) var(--card-py, 0%),
    rgba(255, 255, 255, 0.92) 0%,
    rgba(0, 242, 254, 0.50) 22%,
    rgba(79, 172, 254, 0.22) 48%,
    rgba(255, 255, 255, 0.08) 70%,
    transparent 85%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: calc(0.45 + var(--card-glint, 0) * 0.55);
  transition: opacity 0.25s ease;
  pointer-events: none;
  z-index: 3;
}

/* ——— Tensilux UI Component Arsenal (v2.1.0 Full-Coverage Suite) ——— */
.tensilux-card {
  position: relative;
  background: var(--tensilux-surface, rgba(10, 16, 32, 0.76));
  border: 1px solid var(--tensilux-border, rgba(56, 189, 248, 0.22));
  border-radius: 24px;
  corner-shape: squircle;
  padding: 1.75rem;
  backdrop-filter: blur(48px) saturate(180%);
  -webkit-backdrop-filter: blur(48px) saturate(180%);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.16),
              inset 0 2px 6px 0 rgba(255, 255, 255, 0.04),
              0 16px 40px -10px rgba(0, 0, 0, 0.65),
              0 0 24px rgba(56, 189, 248, 0.08);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.25s ease,
              box-shadow 0.25s ease;
}

.tensilux-card:hover {
  border-color: rgba(56, 189, 248, 0.45);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.25),
              inset 0 2px 8px 0 rgba(255, 255, 255, 0.08),
              0 24px 52px -10px rgba(0, 0, 0, 0.75),
              0 0 32px rgba(56, 189, 248, 0.16);
}

.tensilux-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.65rem 1.4rem;
  border-radius: 9999px;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  outline: none;
  user-select: none;
  white-space: nowrap;
  transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.28s ease,
              background 0.2s ease,
              border-color 0.2s ease;
}

.tensilux-btn:hover {
  transform: scale(1.02) translate3d(0, -1px, 0);
}

.tensilux-btn:active {
  transform: scale(0.96) translate3d(0, 1px, 0);
}

.tensilux-btn:focus-visible {
  outline: 2px solid #38BDF8;
  outline-offset: 2px;
}

.tensilux-btn-primary {
  background: radial-gradient(120% 120% at 50% 0%, #38BDF8 0%, #0284C7 100%);
  color: #030308;
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.5),
              0 4px 16px rgba(56, 189, 248, 0.35);
}

.tensilux-btn-primary:hover {
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.6),
              0 6px 24px rgba(56, 189, 248, 0.55);
}

.tensilux-btn-teal {
  background: radial-gradient(120% 120% at 50% 0%, #27D4C8 0%, #0D9488 100%);
  color: #030308;
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.45),
              0 4px 16px rgba(39, 212, 200, 0.35);
}

.tensilux-btn-teal:hover {
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.55),
              0 6px 24px rgba(39, 212, 200, 0.5);
}

.tensilux-btn-ghost {
  background: rgba(10, 16, 32, 0.65);
  color: #FFFFFF;
  border-color: rgba(56, 189, 248, 0.25);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.12),
              0 4px 12px rgba(0, 0, 0, 0.3);
}

.tensilux-btn-ghost:hover {
  border-color: rgba(56, 189, 248, 0.6);
  background: rgba(56, 189, 248, 0.12);
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.22),
              0 4px 18px rgba(56, 189, 248, 0.25);
}

.tensilux-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.tensilux-toggle-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.tensilux-toggle-track {
  width: 52px;
  height: 30px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 9999px;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.tensilux-toggle-thumb {
  width: 22px;
  height: 22px;
  background: #FFFFFF;
  border-radius: 50%;
  position: absolute;
  top: 3px;
  left: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transition: transform 0.32s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.tensilux-toggle-input:checked + .tensilux-toggle-track {
  background: radial-gradient(100% 100% at 50% 0%, #38BDF8 0%, #0284C7 100%);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.45);
}

.tensilux-toggle-input:checked + .tensilux-toggle-track .tensilux-toggle-thumb {
  transform: translateX(22px);
}

.tensilux-toggle-input:focus-visible + .tensilux-toggle-track {
  outline: 2px solid #38BDF8;
  outline-offset: 2px;
}

.tensilux-input {
  width: 100%;
  min-height: 44px;
  background: rgba(3, 3, 8, 0.65);
  border: 1px solid rgba(56, 189, 248, 0.22);
  border-radius: 12px;
  padding: 0.65rem 1rem;
  color: #FFFFFF;
  font-family: inherit;
  font-size: 0.9rem;
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.08),
              inset 0 2px 4px rgba(0, 0, 0, 0.4);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

.tensilux-input::placeholder {
  color: #64748B;
}

.tensilux-input:focus {
  border-color: #38BDF8;
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.2),
              0 0 16px rgba(56, 189, 248, 0.3);
}

.tensilux-segmented {
  display: inline-flex;
  background: rgba(3, 3, 8, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.18);
  border-radius: 9999px;
  padding: 4px;
  gap: 2px;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4);
}

.tensilux-segmented-item {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9999px;
  color: #94A3B8;
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  outline: none;
  user-select: none;
}

.tensilux-segmented-item:hover {
  color: #FFFFFF;
}

.tensilux-segmented-item.is-active {
  background: rgba(56, 189, 248, 0.18);
  border-color: rgba(56, 189, 248, 0.45);
  color: #FFFFFF;
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.25),
              0 0 14px rgba(56, 189, 248, 0.25);
}

.tensilux-badge,
.tensilux-capsule {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.28rem 0.75rem;
  font-family: var(--prag-font-mono, monospace);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 9999px;
  border: 1px solid transparent;
  user-select: none;
}

.tensilux-badge-cyan {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.35);
  color: #38BDF8;
}

.tensilux-badge-teal {
  background: rgba(39, 212, 200, 0.12);
  border-color: rgba(39, 212, 200, 0.35);
  color: #27D4C8;
}

.tensilux-badge-emerald {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.35);
  color: #10B981;
}

.tensilux-badge-amber {
  background: rgba(251, 191, 36, 0.12);
  border-color: rgba(251, 191, 36, 0.35);
  color: #FBBF24;
}

.tensilux-badge-crimson {
  background: rgba(244, 63, 94, 0.12);
  border-color: rgba(244, 63, 94, 0.35);
  color: #F43F5E;
}

.tensilux-tooltip-trigger {
  position: relative;
  display: inline-flex;
}

.tensilux-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px) scale(0.96);
  background: rgba(10, 16, 32, 0.95);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.18),
              0 8px 24px rgba(0, 0, 0, 0.6);
  transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 50;
}

.tensilux-tooltip-trigger:hover .tensilux-tooltip,
.tensilux-tooltip-trigger:focus-within .tensilux-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0) scale(1);
}

.tensilux-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 3, 8, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.tensilux-modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.tensilux-modal {
  width: 90%;
  max-width: 480px;
  background: rgba(10, 16, 32, 0.94);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.25),
              0 24px 64px -12px rgba(0, 0, 0, 0.8),
              0 0 40px rgba(56, 189, 248, 0.2);
  transform: scale(0.92) translateY(12px);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.tensilux-modal-backdrop.is-open .tensilux-modal {
  transform: scale(1) translateY(0);
}

/* ——— Vercel Web Interface Guidelines & Motion Safety ——— */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ——— Brand Version Telemetry Standard ——— */
.brand-version {
  font-family: var(--font-mono, "SF Mono", monospace);
  font-feature-settings: "tnum" 1;
  font-size: 0.62rem;
  letter-spacing: 0.05em;
  color: var(--muted, rgba(255, 255, 255, 0.45));
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.brand-version:hover {
  color: var(--cyan, #27d4c8);
  opacity: 1;
}

.brand-version-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 10000;
  padding: 6px 12px;
  font-size: 0.75rem;
  background: rgba(10, 15, 25, 0.9);
  border: 1px solid rgba(39, 212, 200, 0.4);
  border-radius: 6px;
  color: #fff;
  pointer-events: none;
  transition: opacity 0.3s ease;
}