/* ========================================================================== 
   Afterlight — reversible light on a hexagonal lattice
   ========================================================================== */

.afterlight-head {
    position: relative;
    isolation: isolate;
}
.afterlight-head::after {
    content: "";
    position: absolute;
    z-index: -1;
    width: min(440px, 48vw);
    aspect-ratio: 1;
    right: 1%;
    top: -42%;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--violet) 12%, transparent), transparent 68%);
    filter: blur(12px);
    pointer-events: none;
}
.afterlight-head .tag-row { margin-bottom: 1rem; }

.afterlight-shell { grid-template-columns: minmax(0, 1fr) 330px; }
.afterlight-stage {
    isolation: isolate;
    background: #050710;
    border-color: color-mix(in srgb, #a294ff 34%, var(--line));
    box-shadow: 0 22px 70px rgba(4, 5, 14, .34), inset 0 0 70px rgba(86, 194, 247, .035);
}
.afterlight-stage::after {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: calc(100% - 50px);
    z-index: 2;
    pointer-events: none;
    background:
        radial-gradient(circle at 50% 48%, transparent 56%, rgba(2, 3, 10, .34) 100%),
        linear-gradient(180deg, rgba(162, 148, 255, .035), transparent 24%);
    box-shadow: inset 0 0 55px rgba(0, 0, 0, .22);
}
.afterlight-stage canvas {
    height: min(72vh, 690px);
    min-height: 430px;
    background: #050710;
}

.afterlight-hud {
    position: absolute;
    z-index: 4;
    top: 12px;
    left: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    pointer-events: none;
}
.afterlight-time,
.afterlight-origin {
    display: inline-flex;
    align-items: center;
    gap: .42rem;
    min-height: 28px;
    padding: .28rem .58rem;
    border: 1px solid rgba(162, 148, 255, .24);
    border-radius: 999px;
    background: rgba(6, 8, 18, .68);
    color: #c8d7e9;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-family: var(--font-mono);
    font-size: .66rem;
    letter-spacing: .07em;
    text-transform: uppercase;
}
.afterlight-time i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #2ee6c5;
    box-shadow: 0 0 10px #2ee6c5;
    animation: afterlight-pulse 1.6s ease-in-out infinite;
}
.afterlight-time.is-reverse {
    border-color: rgba(255, 125, 153, .35);
    color: #ffdbe3;
}
.afterlight-time.is-reverse i { background:#ff7d99; box-shadow:0 0 10px #ff7d99; }
.afterlight-origin { color:#9aabc0; border-color:rgba(86, 194, 247, .18); }
.afterlight-origin.is-restored { color:#bffbed; border-color:rgba(46, 230, 197, .38); }
@keyframes afterlight-pulse { 50% { opacity:.4; transform:scale(.72); } }

.afterlight-reverse {
    border-color: color-mix(in srgb, var(--violet) 48%, var(--line));
    color: var(--violet);
}
.afterlight-reverse.is-reverse {
    border-color: color-mix(in srgb, var(--rose) 55%, var(--line));
    color: var(--rose);
    background: color-mix(in srgb, var(--rose) 9%, var(--panel));
}
.afterlight-notice { border-color:color-mix(in srgb, var(--violet) 25%, var(--line)); }
.afterlight-notice > svg { color:var(--violet); }

.afterlight-panel { overflow-x:hidden; }
.afterlight-tools {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
}

.afterlight-readout { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.afterlight-readout div {
    min-width: 0;
    padding: .55rem .62rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: color-mix(in srgb, var(--raised) 52%, transparent);
}
.afterlight-readout div b { overflow-wrap:anywhere; }

.afterlight-proof {
    display: flex;
    align-items: flex-start;
    gap: .62rem;
    margin-top: .8rem;
    padding: .68rem .72rem;
    border: 1px solid color-mix(in srgb, var(--violet) 28%, var(--line));
    border-radius: 9px;
    background: color-mix(in srgb, var(--violet) 5%, var(--panel));
}
.afterlight-proof > i {
    flex: none;
    width: 9px;
    height: 9px;
    margin-top: .23rem;
    border: 2px solid var(--violet);
    border-radius: 50%;
}
.afterlight-proof span,
.afterlight-proof small { display:block; }
.afterlight-proof b { font-size:.78rem; color:var(--ink-2); font-weight:600; }
.afterlight-proof small { margin-top:.12rem; color:var(--ink-4); font-size:.68rem; line-height:1.4; }
.afterlight-proof[data-state="restored"] { border-color:color-mix(in srgb, var(--aqua) 42%, var(--line)); }
.afterlight-proof[data-state="restored"] > i { background:var(--aqua); border-color:var(--aqua); box-shadow:0 0 12px var(--accent-glow); }
.afterlight-proof[data-state="restored"] b { color:var(--aqua); }
.afterlight-proof[data-state="changed"] > i { border-color:var(--amber); }

.afterlight-key { gap:.55rem .72rem; }
.afterlight-key div { min-width:54px; }
.afterlight-key i { box-shadow:0 0 8px currentColor; }

.afterlight-prose h2 { scroll-margin-top:calc(var(--nav-h) + 1rem); }
.afterlight-rule-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .8rem;
    margin: 1.5rem 0 2rem;
}
.afterlight-rule-card {
    position: relative;
    min-width: 0;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background:
        radial-gradient(circle at 50% 26%, color-mix(in srgb, var(--violet) 8%, transparent), transparent 48%),
        var(--surface);
    overflow: hidden;
}
.afterlight-rule-number {
    position: absolute;
    top: .7rem;
    right: .78rem;
    color: var(--ink-4);
    font-family: var(--font-mono);
    font-size: .62rem;
    letter-spacing: .12em;
}
.afterlight-rule-card svg { width:100%; height:88px; margin:.2rem 0 .7rem; overflow:visible; }
.afterlight-rule-card svg polygon { fill:color-mix(in srgb, var(--violet) 4%, var(--panel)); stroke:var(--line-strong); stroke-width:1; }
.afterlight-rule-card svg .ray,
.afterlight-rule-card svg .arrow {
    fill:none;
    stroke-width:3;
    stroke-linecap:round;
    stroke-linejoin:round;
}
.afterlight-rule-card svg .out { stroke-dasharray:3 5; }
.afterlight-rule-card svg circle { fill:#f2fffb; filter:drop-shadow(0 0 6px #f2fffb); }
.afterlight-rule-card svg .ray-a { stroke:#2ee6c5; }
.afterlight-rule-card svg .ray-b { stroke:#56c2f7; }
.afterlight-rule-card svg .ray-c { stroke:#a294ff; }
.afterlight-rule-card svg .ray-d { stroke:#ff7d99; }
.afterlight-rule-card svg .ray-e { stroke:#ffbe5c; }
.afterlight-rule-card svg .ray-f { stroke:#b0ec48; }
.afterlight-rule-card svg .arrow { stroke:#f2fffb; stroke-width:2; }
.afterlight-rule-card h3 { margin:0 0 .35rem; font-size:1rem; }
.afterlight-rule-card p { margin:0; color:var(--ink-3); font-size:.83rem; line-height:1.55; }

@media (max-width:1080px) {
    .afterlight-shell { grid-template-columns:minmax(0, 1fr); }
    .afterlight-panel { overflow:visible; }
}

@media (max-width:820px) {
    .afterlight-rule-grid { grid-template-columns:minmax(0, 1fr); }
    .afterlight-rule-card { display:grid; grid-template-columns:150px minmax(0, 1fr); column-gap:1rem; align-items:center; }
    .afterlight-rule-card svg { grid-row:1 / span 2; margin:0; }
    .afterlight-rule-card h3 { align-self:end; }
    .afterlight-rule-card p { align-self:start; }
}

@media (max-width:620px) {
    .afterlight-stage canvas { height:min(64vh, 540px); min-height:350px; }
    .afterlight-stage::after { height:calc(100% - 96px); }
    .afterlight-hud { top:8px; left:8px; right:8px; }
    .afterlight-origin { display:none; }
    .afterlight-rule-card { display:block; }
    .afterlight-rule-card svg { margin:.2rem 0 .7rem; }
}

@media (prefers-reduced-motion:reduce) {
    .afterlight-time i { animation:none; }
}