/* =====================================================================
   受着瓦 · COMPONENT PATTERNS  (components.css)
   ---------------------------------------------------------------------
   Vanilla, dependency-free recreations of polished patterns from mature
   React/Tailwind component libraries, RE-SKINNED to our tactical design
   language (see style.css :root tokens). Each block notes its source +
   license. We copy the IDEA/CSS technique, not the original code, and use
   only permissively-licensed (MIT / free) references.

   Library refs (all MIT unless noted):
     shadcn/ui    https://ui.shadcn.com           (MIT)
     Magic UI     https://magicui.design          (MIT)
     Aceternity   https://ui.aceternity.com       (free)
     Tremor       https://tremor.so               (Apache-2.0)
     Cult UI      https://www.cult-ui.com         (MIT)
   ===================================================================== */

/* ---- Magic UI · Border Beam ---------------------------------------- */
/* https://magicui.design/docs/components/border-beam — traveling beam that
   orbits a card's border. Technique: rotating conic-gradient masked to the
   padding box via mask-composite. */
@property --beam-a { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
.beam-card { position: relative; isolation: isolate; }
.beam-card::before {
  content: ""; position: absolute; inset: 0; padding: 1.5px; border-radius: inherit;
  background: conic-gradient(from var(--beam-a),
      transparent 0%, var(--beam, #ff4655) 12%, #fff 16%, transparent 28%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  animation: beam-spin var(--beam-dur, 4.5s) linear infinite; pointer-events: none; z-index: 2;
}
@keyframes beam-spin { to { --beam-a: 360deg; } }

/* ---- Magic UI · Shimmer Button ------------------------------------- */
/* https://magicui.design/docs/components/shimmer-button — light sweep travels
   across the surface on an interval. */
.btn-shimmer {
  position: relative; overflow: hidden; border: 1px solid var(--line-2);
  background: linear-gradient(180deg, #16242f, #0f1923); color: var(--text);
  font-family: var(--font-d); letter-spacing: 1px; text-transform: uppercase;
  padding: 11px 20px; cursor: pointer;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
.btn-shimmer::after {
  content: ""; position: absolute; top: 0; left: -60%; width: 45%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.28), transparent);
  transform: skewX(-18deg); animation: shimmer-sweep 3.2s ease-in-out infinite;
}
.btn-shimmer:hover { border-color: var(--red); box-shadow: var(--glow-red); }
@keyframes shimmer-sweep { 0% { left: -60%; } 55%,100% { left: 130%; } }

/* ---- Magic UI · Retro Grid ----------------------------------------- */
/* https://magicui.design/docs/components/retro-grid — perspective floor grid
   scrolling toward the horizon. */
.retro-grid { position: absolute; inset: 0; overflow: hidden; perspective: 200px; opacity: .5; }
.retro-grid::before {
  content: ""; position: absolute; inset: -100% 0 0; transform: rotateX(60deg);
  background-image:
    linear-gradient(var(--line-2) 1px, transparent 0),
    linear-gradient(90deg, var(--line-2) 1px, transparent 0);
  background-size: 48px 48px; animation: retro-roll 14s linear infinite;
  mask-image: linear-gradient(transparent, #000 60%);
}
@keyframes retro-roll { to { background-position: 0 48px, 0 0; transform: rotateX(60deg) translateY(48px); } }

/* ---- Magic UI · Marquee -------------------------------------------- */
/* https://magicui.design/docs/components/marquee — seamless looping ticker.
   Duplicate the track in markup for the seamless loop. */
.marquee { display: flex; overflow: hidden; gap: 0; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee__track { display: flex; gap: 28px; padding-right: 28px; flex-shrink: 0;
  animation: marquee-x var(--mq-dur, 22s) linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee-x { to { transform: translateX(-100%); } }

/* ---- Aceternity · Spotlight ---------------------------------------- */
/* https://ui.aceternity.com/components/spotlight — radial light follows the
   pointer (--mx/--my set by mountSpotlight in components.js). */
.spotlight-fx { position: relative; overflow: hidden; }
.spotlight-fx::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  transition: opacity .35s var(--ease);
  background: radial-gradient(420px circle at var(--mx,50%) var(--my,0%),
      rgba(255,70,85,.16), transparent 60%);
}
.spotlight-fx:hover::before { opacity: 1; }

/* ---- Aceternity · Card Hover Effect -------------------------------- */
/* https://ui.aceternity.com/components/card-hover-effect — pointer-tracked
   3D tilt + glow (--rx/--ry/--gx/--gy set by mountHoverTilt). */
.hover-card { position: relative; transition: transform .18s var(--ease), box-shadow .3s var(--ease);
  transform: perspective(800px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)); transform-style: preserve-3d; }
.hover-card::after { content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .3s; pointer-events: none;
  background: radial-gradient(200px circle at var(--gx,50%) var(--gy,50%), rgba(124,211,255,.18), transparent 60%); }
.hover-card:hover { box-shadow: 0 18px 40px -18px rgba(0,0,0,.7), var(--glow-red); }
.hover-card:hover::after { opacity: 1; }

/* ---- Magic UI · Neon Gradient Card --------------------------------- */
/* https://magicui.design/docs/components/neon-gradient-card */
.neon-card { position: relative; border-radius: 4px; background: var(--panel); }
.neon-card::before { content: ""; position: absolute; inset: -2px; z-index: -1; border-radius: inherit; filter: blur(8px); opacity: .65;
  background: linear-gradient(120deg, var(--red), var(--blue), var(--mint), var(--red)); background-size: 300% 300%; animation: neon-pan 8s ease infinite; }
@keyframes neon-pan { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

/* ---- shadcn/ui · Tabs ---------------------------------------------- */
/* https://ui.shadcn.com/docs/components/tabs */
.tac-tabs { display: inline-flex; gap: 2px; padding: 3px; background: var(--void); border: 1px solid var(--line); }
.tac-tab { appearance: none; border: 0; background: transparent; color: var(--dim); cursor: pointer;
  font-family: var(--font-d); letter-spacing: 1px; text-transform: uppercase; font-size: 13px; padding: 8px 16px; transition: .2s var(--ease); }
.tac-tab[aria-selected="true"] { color: #fff; background: linear-gradient(180deg, var(--red), var(--red-deep)); box-shadow: var(--glow-red); }
.tac-tab:hover:not([aria-selected="true"]) { color: var(--text); background: var(--steel); }
.tac-panel[hidden] { display: none; }

/* ---- shadcn/ui · Badge --------------------------------------------- */
/* https://ui.shadcn.com/docs/components/badge */
.tac-badge { display: inline-flex; align-items: center; gap: 5px; font-family: var(--font-t); font-weight: 700;
  font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; padding: 3px 9px; border: 1px solid var(--line-2); color: var(--dim); }
.tac-badge svg { width: 12px; height: 12px; }
.tac-badge--red { color: #ffd2d6; border-color: var(--red-deep); background: rgba(255,70,85,.12); }
.tac-badge--mint { color: #b6f7e3; border-color: var(--mint-deep); background: rgba(34,224,166,.12); }
.tac-badge--gold { color: #f6e2ab; border-color: #a9853a; background: rgba(240,196,99,.12); }
.tac-badge--blue { color: #cdecff; border-color: #2f6e8e; background: rgba(92,200,255,.12); }

/* ---- shadcn/ui · Progress ------------------------------------------ */
/* https://ui.shadcn.com/docs/components/progress */
.tac-progress { height: 8px; background: var(--void); border: 1px solid var(--line); overflow: hidden; }
.tac-progress > i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--red-deep), var(--red)); transition: width 1s var(--ease); }

/* ---- shadcn/ui · Tooltip (CSS-only) -------------------------------- */
/* https://ui.shadcn.com/docs/components/tooltip */
.tac-tip { position: relative; }
.tac-tip::after { content: attr(data-tip); position: absolute; bottom: 100%; left: 50%; transform: translate(-50%, -6px) scale(.96);
  background: var(--void); border: 1px solid var(--line-2); color: var(--text); font-size: 11px; letter-spacing: .5px; white-space: nowrap;
  padding: 5px 9px; opacity: 0; pointer-events: none; transition: .18s var(--ease); z-index: 50; }
.tac-tip:hover::after { opacity: 1; transform: translate(-50%, -10px) scale(1); }

/* ---- Cult UI · Bento Grid ------------------------------------------ */
/* https://www.cult-ui.com — asymmetric tile grid */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.bento > * { min-height: 120px; }
.bento .span-2 { grid-column: span 2; }
.bento .row-2 { grid-row: span 2; }

/* ---- Tremor · Metric Card ------------------------------------------ */
/* https://tremor.so — clean numeric dashboard card */
.metric { background: var(--panel); border: 1px solid var(--line); padding: 16px 18px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%); }
.metric .m-label { font-size: 10px; letter-spacing: 2px; color: var(--dim); text-transform: uppercase; }
.metric .m-value { font-family: var(--font-d); font-size: 38px; font-weight: 700; line-height: 1; margin: 6px 0 4px; }
.metric .m-delta { font-size: 12px; font-weight: 700; }
.metric .m-delta.up { color: var(--mint); } .metric .m-delta.down { color: var(--red); }

/* ---- reduced motion ------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  .beam-card::before, .btn-shimmer::after, .retro-grid::before,
  .marquee__track, .neon-card::before { animation: none !important; }
}