/**
 * ============================================================================
 * OBSIDIAN V2 DESIGN SYSTEM — LIBRESPEED TELEMETRY SUITE
 * Grounded in the AetherFlow v3.2, Looplet & Jellyfin 12.2 Obsidian V2 Specification
 * ============================================================================
 */

:root {
  /* --- Obsidian Foundations (Pure #000000 Contrast) --- */
  --obs-bg-base: #000000;
  --obs-bg-primary: #000000;
  --obs-bg-secondary: #0f172a;
  --obs-slate-950: #000000;
  --obs-slate-900: #0f172a;
  --obs-slate-800: #1e293b;
  --obs-slate-700: #334155;
  --obs-slate-500: #64748b;
  --obs-slate-400: #94a3b8;
  --obs-slate-300: #cbd5e1;
  --obs-slate-200: #e2e8f0;
  --obs-white: #ffffff;
  --obs-black: #000000;

  /* --- Luminescent / Holographic Accents --- */
  --obs-accent-primary: #6366f1;
  --obs-accent-indigo: #6366f1;
  --obs-indigo-600: #4f46e5;
  --obs-indigo-500: #6366f1;
  --obs-indigo-400: #818cf8;
  --obs-indigo-300: #a5b4fc;
  --obs-fuchsia-500: #d946ef;
  --obs-fuchsia-400: #e879f9;
  --obs-emerald-400: #34d399;
  --obs-amber-400: #fbbf24;
  --obs-rose-500: #f43f5e;
  --obs-sky-400: #38bdf8;
  --obs-accent-rose: #f43f5e;
  --obs-accent-teal: #14b8a6;
  --obs-accent-amber: #f59e0b;
  --obs-accent-emerald: #10b981;

  /* --- Typography & Stacks --- */
  --obs-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --obs-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* --- Geometry & Radii --- */
  --obs-radius-sm: 0.4rem;
  --obs-radius-md: 0.8rem;
  --obs-radius-xl: 1.2rem;
  --obs-radius-2xl: 1.6rem;
  --obs-radius-full: 9999px;

  /* --- Directional Specular Highlights & Chromatic Glass Edges --- */
  --obs-specular-top: rgba(255, 255, 255, 0.28);
  --obs-specular-left: rgba(56, 189, 248, 0.38);
  --obs-specular-subtle: rgba(255, 255, 255, 0.14);
  --obs-glass-border: rgba(129, 140, 248, 0.34);
  --obs-glass-border-hover: rgba(168, 85, 247, 0.68);
  --obs-chromatic-border-cyan: rgba(56, 189, 248, 0.44);
  --obs-chromatic-border-indigo: rgba(129, 140, 248, 0.48);
  --obs-chromatic-border-fuchsia: rgba(217, 70, 239, 0.44);
  --obs-chromatic-edge-gradient: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.90) 0%,
    rgba(56, 189, 248, 0.82) 18%,
    rgba(129, 140, 248, 0.86) 44%,
    rgba(217, 70, 239, 0.84) 70%,
    rgba(168, 85, 247, 0.80) 86%,
    rgba(56, 189, 248, 0.75) 100%
  );
  --obs-chromatic-edge-hover: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.98) 0%,
    rgba(56, 189, 248, 0.92) 18%,
    rgba(129, 140, 248, 0.94) 44%,
    rgba(217, 70, 239, 0.92) 70%,
    rgba(168, 85, 247, 0.90) 86%,
    rgba(56, 189, 248, 0.86) 100%
  );
  --obs-chromatic-inset:
    inset 0 1px 1px 0 rgba(255, 255, 255, 0.44),
    inset 1.5px 0 3px 0 rgba(56, 189, 248, 0.38),
    inset -1.5px 0 3px 0 rgba(217, 70, 239, 0.38),
    inset 0 -1.5px 3px 0 rgba(129, 140, 248, 0.42);
  --obs-chromatic-inset-card:
    inset 0 1px 0 0 rgba(255, 255, 255, 0.36),
    inset 1px 0 2px 0 rgba(56, 189, 248, 0.30),
    inset -1px 0 2px 0 rgba(217, 70, 239, 0.30),
    inset 0 -1px 2px 0 rgba(129, 140, 248, 0.34);

  /* --- Glass Surface Elevations --- */
  --obs-card-bg: linear-gradient(135deg, rgba(10, 12, 26, 0.78) 0%, rgba(8, 10, 22, 0.84) 55%, rgba(12, 10, 28, 0.80) 100%);
  --obs-card-bg-hover: linear-gradient(135deg, rgba(14, 18, 36, 0.84) 0%, rgba(12, 14, 30, 0.86) 55%, rgba(18, 14, 38, 0.84) 100%);
  --obs-panel-bg: linear-gradient(180deg, rgba(10, 12, 26, 0.88) 0%, rgba(6, 8, 18, 0.94) 100%);
  --obs-hero-bg: linear-gradient(180deg, rgba(8, 10, 22, 0.82) 0%, rgba(12, 10, 28, 0.86) 55%, rgba(16, 10, 34, 0.84) 100%);
  --obs-input-bg: rgba(0, 0, 0, 0.45);
  --obs-input-bg-focus: rgba(0, 0, 0, 0.65);

  /* --- Optical Depth Shadows --- */
  --obs-shadow-card: 0 12px 40px rgba(0, 0, 0, 0.72), 0 0 14px rgba(99, 102, 241, 0.08);
  --obs-shadow-card-hover: 0 20px 48px rgba(0, 0, 0, 0.82), 0 0 24px rgba(99, 102, 241, 0.24), 0 0 12px rgba(217, 70, 239, 0.18);
  --obs-shadow-panel: 0 24px 60px rgba(0, 0, 0, 0.84), 0 0 22px rgba(99, 102, 241, 0.16);
  --obs-shadow-button-primary: 0 6px 24px rgba(99, 102, 241, 0.34), 0 0 14px rgba(217, 70, 239, 0.18);
  --obs-shadow-button-hover: 0 10px 32px rgba(217, 70, 239, 0.42), 0 0 20px rgba(99, 102, 241, 0.32);

  /* --- 120Hz High-Refresh Motion Curves & Atmosphere Tuning --- */
  --obs-ease-out-120: cubic-bezier(0.22, 1, 0.36, 1);
  --obs-ease-spring-120: cubic-bezier(0.25, 1, 0.5, 1);
  --obs-duration-fast: 160ms;
  --obs-duration-card: 200ms;

  --obs-glass-blur: 16px;
  --obs-glass-blur-heavy: 24px;
  --obs-glass-saturation: saturate(150%);
  --obs-aurora-opacity: 0.28;
  --obs-aurora-animation: none;
  --obs-grain-display: block;
  --obs-card-lift: -3px;
}

/**
 * ============================================================================
 * ATMOSPHERIC BACKGROUND ENGINE
 * Pure #000000 Canvas, 3-Orb Radial Aurora, Fractal Grain & Edge Vignette
 * ============================================================================
 */
html {
  background-color: var(--obs-bg-base) !important;
  background-image: none !important;
  color: var(--obs-white);
  min-height: 100vh;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: transparent !important;
  background-image: none !important;
  color: var(--obs-slate-200);
  font-family: var(--obs-font-sans);
  margin: 0;
  padding: 0;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
  min-height: 100vh;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Layer 1: Seamless 3-Orb Cosmic Aurora & Royal-Purple Base Gradient (body::before) */
body::before {
  content: "";
  position: fixed;
  inset: -10%;
  width: 120vw;
  height: 120vh;
  z-index: -2;
  pointer-events: none !important;
  transform-origin: center center;

  background:
    /* Orb 1: Lower-Center Royal Purple & Indigo Bloom (#6d28d9 -> #4f46e5) */
    radial-gradient(ellipse 72vw 50vh at 50% 88%, rgba(109, 40, 217, calc(var(--obs-aurora-opacity) * 0.62)) 0%, rgba(79, 70, 229, calc(var(--obs-aurora-opacity) * 0.28)) 42%, transparent 74%),
    /* Orb 2: Mid-Left Indigo Aurora (#6366f1) */
    radial-gradient(ellipse 56vw 46vh at 16% 68%, rgba(99, 102, 241, calc(var(--obs-aurora-opacity) * 0.46)) 0%, rgba(99, 102, 241, calc(var(--obs-aurora-opacity) * 0.16)) 40%, transparent 72%),
    /* Orb 3: Mid-Right Fuchsia-Violet Aurora (#d946ef -> #9333ea) */
    radial-gradient(ellipse 56vw 48vh at 84% 66%, rgba(217, 70, 239, calc(var(--obs-aurora-opacity) * 0.38)) 0%, rgba(147, 51, 234, calc(var(--obs-aurora-opacity) * 0.16)) 40%, transparent 72%),
    /* Continuous Deep Obsidian Black-to-Midnight Base Gradient */
    linear-gradient(180deg, #000000 0%, #010105 26%, #04020d 54%, #080316 80%, #0b051d 100%);

  contain: strict;
  isolation: isolate;
  backface-visibility: hidden;
  transform: translate3d(0, 0, 0);
  will-change: transform;
  animation: var(--obs-aurora-animation);
}

/* Layer 2: Tactile SVG Fractal Micro-Grain + Spatial Edge Vignette (body::after) */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none !important;
  display: var(--obs-grain-display);
  contain: strict;
  backface-visibility: hidden;
  transform: translateZ(0);
  background-image:
    radial-gradient(circle at 50% 45%, transparent 42%, rgba(0, 0, 0, 0.80) 100%),
    url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.032'/%3E%3C/svg%3E");
  background-size: 100% 100%, 200px 200px;
}

/**
 * ============================================================================
 * OBSIDIAN V2 CHROMATIC GLASS SURFACES
 * ============================================================================
 */
.glass-card {
  position: relative;
  background: var(--obs-card-bg);
  backdrop-filter: blur(20px) var(--obs-glass-saturation);
  -webkit-backdrop-filter: blur(20px) var(--obs-glass-saturation);
  border: 1px solid var(--obs-chromatic-border-indigo);
  border-top: 1px solid var(--obs-specular-top);
  border-left: 1px solid var(--obs-chromatic-border-cyan);
  border-right: 1px solid var(--obs-chromatic-border-fuchsia);
  border-radius: var(--obs-radius-2xl);
  box-shadow: var(--obs-shadow-card), var(--obs-chromatic-inset-card);
  backface-visibility: hidden;
  transform: translate3d(0, 0, 0);
  transition: transform var(--obs-duration-card) var(--obs-ease-spring-120),
              border-color var(--obs-duration-card) var(--obs-ease-out-120),
              box-shadow var(--obs-duration-card) var(--obs-ease-out-120),
              background var(--obs-duration-card) var(--obs-ease-out-120);
}

.glass-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--obs-chromatic-edge-gradient);
  -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;
  pointer-events: none;
  z-index: 1;
  opacity: 0.28;
  transform: translateZ(0);
  will-change: opacity;
  transition: opacity var(--obs-duration-card) var(--obs-ease-out-120);
}

@media (hover: hover) and (pointer: fine) {
  .glass-card:hover {
    transform: translate3d(0, var(--obs-card-lift), 0);
    border-color: var(--obs-glass-border-hover);
    border-top-color: rgba(255, 255, 255, 0.45);
    background: var(--obs-card-bg-hover);
    box-shadow: var(--obs-shadow-card-hover);
  }
  .glass-card:hover::after {
    opacity: 0.72;
  }
}

.glass-panel {
  background: var(--obs-panel-bg);
  backdrop-filter: blur(var(--obs-glass-blur-heavy)) var(--obs-glass-saturation);
  -webkit-backdrop-filter: blur(var(--obs-glass-blur-heavy)) var(--obs-glass-saturation);
  border: 1px solid var(--obs-chromatic-border-indigo);
  border-top: 1px solid var(--obs-specular-top);
  border-left: 1px solid var(--obs-chromatic-border-cyan);
  border-right: 1px solid var(--obs-chromatic-border-fuchsia);
  border-radius: var(--obs-radius-2xl);
  box-shadow: var(--obs-shadow-panel), var(--obs-chromatic-inset);
}

/**
 * ============================================================================
 * OBSIDIAN V2 NAVIGATION HEADER & STATUS BEACONS
 * ============================================================================
 */
header.obs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.6rem;
  width: 100%;
  max-width: 120rem;
  margin: 1.4rem auto 0.6rem auto;
  padding: 1.1rem 2.2rem;
  background: linear-gradient(180deg, rgba(15, 18, 36, 0.76) 0%, rgba(9, 11, 24, 0.84) 100%);
  backdrop-filter: blur(20px) var(--obs-glass-saturation);
  -webkit-backdrop-filter: blur(20px) var(--obs-glass-saturation);
  border: 1px solid var(--obs-chromatic-border-indigo);
  border-top: 1px solid var(--obs-specular-top);
  border-left: 1px solid var(--obs-chromatic-border-cyan);
  border-right: 1px solid var(--obs-chromatic-border-fuchsia);
  border-radius: var(--obs-radius-2xl);
  box-shadow: var(--obs-shadow-card), var(--obs-chromatic-inset-card);
}

.obs-brand {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  text-decoration: none;
}

.obs-brand img {
  height: 2.0rem;
  width: auto;
  display: block;
  filter: drop-shadow(0 0 12px rgba(99, 102, 241, 0.35));
}

.obs-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.4rem 1.1rem;
  border-radius: var(--obs-radius-full);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.18) 0%, rgba(217, 70, 239, 0.12) 100%);
  border: 1px solid rgba(129, 140, 248, 0.42);
  border-top-color: rgba(255, 255, 255, 0.28);
  color: var(--obs-indigo-300);
  font-family: var(--obs-font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.obs-beacon-live {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 8px #10b981, 0 0 16px #10b981;
  animation: obs-pulse-live 2s infinite ease-in-out;
  flex-shrink: 0;
}

@keyframes obs-pulse-live {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.22);
    opacity: 0.75;
  }
}

.obs-nav-pills {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem;
  border-radius: var(--obs-radius-full);
  background: rgba(0, 0, 0, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow-x: auto;
  max-width: 100%;
  min-width: 0;
}

.obs-tab-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.7rem 1.5rem;
  min-height: 36px;
  font-family: var(--obs-font-sans);
  font-weight: 600;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  color: var(--obs-slate-400);
  text-decoration: none;
  border-radius: var(--obs-radius-full);
  border: 1px solid transparent;
  background: transparent;
  transition: transform var(--obs-duration-fast) var(--obs-ease-out-120),
              background-color var(--obs-duration-fast) ease,
              color var(--obs-duration-fast) ease,
              border-color var(--obs-duration-fast) ease,
              box-shadow var(--obs-duration-fast) ease;
  touch-action: manipulation;
  white-space: nowrap;
}

.obs-tab-pill:hover {
  color: var(--obs-white);
  background-color: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
}

.obs-tab-pill-active {
  color: var(--obs-white) !important;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.28) 0%, rgba(217, 70, 239, 0.18) 100%) !important;
  border: 1px solid rgba(129, 140, 248, 0.54) !important;
  border-top-color: rgba(255, 255, 255, 0.32) !important;
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.32) !important;
}

@media screen and (max-width: 800px) {
  header.obs-header {
    margin: 1.4rem auto;
    padding: 1.4rem 1.6rem;
    justify-content: center;
  }
}

/* Thin Glass Desktop Scrollbars */
@media (min-width: 1024px) {
  * {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.12) rgba(15, 23, 42, 0.3);
  }
  ::-webkit-scrollbar {
    width: 6px;
    height: 6px;
  }
  ::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.3);
    border-radius: var(--obs-radius-full);
  }
  ::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--obs-radius-full);
  }
  ::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.22);
  }
}

/* Reduced Motion Fallback */
@media (prefers-reduced-motion: reduce) {
  :root {
    --obs-aurora-animation: none;
    --obs-card-lift: 0px;
  }
  .glass-card:hover {
    transform: none !important;
  }
  .obs-beacon-live {
    animation: none !important;
  }
}