/* ============================================================
   TCG TV Showcase — display styles
   "Your collection as a live market."
   ============================================================ */

:root {
    --bg:        #0A0C10;
    --bg-grad-a: #0E1218;
    --bg-grad-b: #070809;
    --panel:     #11151D;
    --line:      rgba(255, 255, 255, .07);
    --ink:       #EAEEF6;
    --muted:     #7B8696;
    --up:        #1FD79E;
    --down:      #FF5B6B;

    /* --accent is rewritten per card (green when up, red when down) */
    --accent:    #1FD79E;

    /* tweak the card motion here ------------------------------ */
    --tilt-x:        18deg;   /* viewed-from-above lean      */
    --tilt-z:        -7deg;   /* slight roll                 */
    --spin-seconds:  11s;     /* one full front→back→front   */
    /* --------------------------------------------------------- */

    --fade-ms: 650ms;         /* card-to-card crossfade       */
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    height: 100%;
    overflow: hidden;
    background: var(--bg);
    color: var(--ink);
    font-family: "Inter", system-ui, -apple-system, sans-serif;
    -webkit-font-smoothing: antialiased;
}

.tv {
    position: fixed;
    inset: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);  /* left 1/3, right 2/3 */
    background:
        radial-gradient(120% 90% at 22% 18%, var(--bg-grad-a) 0%, var(--bg-grad-b) 70%);
}

/* faint accent wash that follows the card's trend colour */
.tv::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(60% 80% at 18% 50%, color-mix(in srgb, var(--accent) 14%, transparent) 0%, transparent 60%);
    transition: background var(--fade-ms) ease;
    pointer-events: none;
}

/* ---------- left: the spinning card ---------- */
.stage-left {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(1rem, 3vh, 2.4rem);
    padding: 4vh 2vw;
    border-right: 1px solid var(--line);
}

.scene {
    perspective: 1700px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card3d {
    position: relative;
    width: clamp(190px, 21vw, 380px);
    aspect-ratio: 2.5 / 3.5;
    transform-style: preserve-3d;
    transform: rotateX(var(--tilt-x)) rotateZ(var(--tilt-z));
}

/* foil glow behind the card, tinted by trend */
.card3d::after {
    content: "";
    position: absolute;
    inset: -14% -10%;
    z-index: -1;
    border-radius: 50%;
    background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 38%, transparent), transparent 75%);
    filter: blur(28px);
    opacity: .8;
    animation: glowPulse 5s ease-in-out infinite;
    transition: background var(--fade-ms) ease;
}

.spinner {
    position: absolute;
    inset: 0;
    transform-style: preserve-3d;
    animation: spinY var(--spin-seconds) linear infinite;
}

.face {
    position: absolute;
    inset: 0;
    border-radius: 16px;
    backface-visibility: hidden;
    background-size: cover;
    background-position: center;
    background-color: #1b2230;
    box-shadow:
        0 28px 55px rgba(0, 0, 0, .65),
        inset 0 0 0 1px rgba(255, 255, 255, .10);
    overflow: hidden;
}

/* glossy sheen sweep across the front face */
.face.front::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, .22) 48%, transparent 60%);
    transform: translateX(-120%);
    animation: sheen calc(var(--spin-seconds)) ease-in-out infinite;
}

.face.back {
    transform: rotateY(180deg);
}

/* generic back when no image supplied */
.card3d.no-back .face.back {
    background-color: #141a26;
    background-image:
        repeating-linear-gradient(45deg, rgba(255,255,255,.04) 0 12px, transparent 12px 24px),
        radial-gradient(circle at 50% 42%, color-mix(in srgb, var(--accent) 55%, #1a2230) 0%, #0e1320 60%);
}
.card3d.no-back .face.back::after {
    content: "TCG";
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font-family: "Space Grotesk", sans-serif;
    font-weight: 700;
    letter-spacing: .25em;
    font-size: clamp(1.2rem, 2.5vw, 2.2rem);
    color: rgba(255, 255, 255, .35);
}

.card-meta {
    text-align: center;
    max-width: 90%;
}
.card-eyebrow {
    font-size: clamp(.65rem, 1vw, .8rem);
    letter-spacing: .32em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: .55rem;
}
.card-name {
    font-family: "Space Grotesk", sans-serif;
    font-weight: 600;
    line-height: 1.05;
    font-size: 1.4rem;
    text-wrap: balance;
}
.card-name::after {
    content: "";
    display: block;
    width: 52px;
    height: 3px;
    margin: .8rem auto 0;
    border-radius: 3px;
    background: var(--accent);
    transition: background var(--fade-ms) ease;
}

/* ---------- right: the price panel ---------- */
.stage-right {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: clamp(2rem, 5vh, 4rem) clamp(2rem, 4vw, 4.5rem);
}

.panel-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}
.value-label {
    font-size: clamp(.7rem, 1vw, .85rem);
    letter-spacing: .3em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: .4rem;
}
.value-now {
    font-family: "Space Grotesk", sans-serif;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    line-height: 1;
    font-size: clamp(2.6rem, 6vw, 5.4rem);
    letter-spacing: -.01em;
}
.change-pill {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .55rem 1rem;
    border-radius: 999px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    font-size: clamp(.95rem, 1.5vw, 1.4rem);
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    transition: color var(--fade-ms) ease, background var(--fade-ms) ease;
}
.change-pill .arrow { font-size: .85em; }
.change-sub {
    margin-top: .5rem;
    color: var(--muted);
    font-size: clamp(.75rem, 1.1vw, 1rem);
    font-variant-numeric: tabular-nums;
}

.chart-wrap {
    position: relative;
    flex: 1;
    margin-top: clamp(1rem, 3vh, 2.2rem);
    min-height: 0;
}
.chart-wrap canvas { position: absolute; inset: 0; }

/* the crossfade element wrapping everything that changes per card */
.stage {
    transition: opacity var(--fade-ms) ease;
}
.stage.is-out { opacity: 0; }

/* progress dots */
.dots {
    position: absolute;
    bottom: clamp(1rem, 3vh, 2rem);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: .5rem;
}
.dots i {
    width: 8px; height: 8px; border-radius: 50%;
    background: rgba(255, 255, 255, .18);
    transition: background .3s, width .3s;
}
.dots i.on { background: var(--accent); width: 22px; border-radius: 4px; }

/* ---------- empty state ---------- */
.empty {
    position: fixed; inset: 0;
    display: grid; place-items: center;
    text-align: center; color: var(--muted);
    font-family: "Space Grotesk", sans-serif;
    padding: 2rem;
}

@keyframes spinY  { to { transform: rotateY(360deg); } }
@keyframes glowPulse { 0%,100% { opacity:.55; } 50% { opacity:.9; } }
@keyframes sheen {
    0%, 18% { transform: translateX(-120%); }
    34%, 100% { transform: translateX(120%); }
}

@media (prefers-reduced-motion: reduce) {
    .spinner { animation-duration: 26s; }
    .face.front::before, .face.holo::before, .face.holo::after, .card3d::after { animation: none; }
}

/* portrait / narrow fallback so it never breaks */
@media (max-aspect-ratio: 1/1) {
    .tv { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; }
    .stage-left { border-right: none; border-bottom: 1px solid var(--line); }
}

.face.holo {
    position: absolute;
    overflow: hidden;
}

.face.holo::before,
.face.holo::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
}

.face.holo::before {
    background: linear-gradient(115deg, transparent 0%, rgba(255,255,255,.12) 22%, rgba(130,255,240,.22) 34%, rgba(255,110,220,.22) 48%, rgba(255,230,120,.18) 62%, rgba(120,160,255,.22) 76%, transparent 100%);
    mix-blend-mode: screen;
    opacity: .7;
    transform: translateX(-35%) rotate(8deg);
    animation: holo-sweep 3.8s ease-in-out infinite;
}

.face.holo::after {
    background: repeating-linear-gradient(135deg, rgba(255,255,255,.08) 0, rgba(255,255,255,.08) 1px, transparent 1px, transparent 5px), radial-gradient(circle at 50% 20%, rgba(255,255,255,.22), transparent 38%);
    mix-blend-mode: overlay;
    opacity: .55;
    animation: holo-glimmer 2.6s ease-in-out infinite alternate;
}

@keyframes holo-sweep {
    0%, 100% {
        transform: translateX(-42%) rotate(8deg);
        opacity: .45;
    }

    50% {
        transform: translateX(42%) rotate(8deg);
        opacity: .85;
    }
}

@keyframes holo-glimmer {
    0% {
        opacity: .32;
        filter: brightness(1);
    }

    100% {
        opacity: .72;
        filter: brightness(1.35);
    }
}