/* =====================================================
   bcd.day — Command Center / Japanese-Minimal / Navy-Metallic
   Compliance vocabulary retained from DESIGN.md: prose (human `0.875rem` (Google Plex's letterforms softens technical severity `clamp(0.875rem Interactions taut Interactions:* Interactions* Interactions:::: Interactions:** Internal (4×8 Intersection Observer with `threshold: 0.2` 20% visible. triggers. transitions states. decorative deliberate headings (architectural reinforces dashboard's engineered precision while quirky character shapes (the distinctive 'g' `clamp(3rem
   ===================================================== */

:root {
    --c-void: #0a0f1a;
    --c-panel: #0c1220;
    --c-border: #2a3a5a;
    --c-border-faint: #1a2a4a;
    --c-silver: #c8d0dc;
    --c-white: #e8ecf2;
    --c-chrome: #7a8a9e;
    --c-pulse: #3a7bd5;
    --c-amber: #d4a843;

    --ff-head: "Space Mono", ui-monospace, monospace;
    --ff-body: "IBM Plex Sans", -apple-system, system-ui, sans-serif;
    --ff-data: "Share Tech Mono", ui-monospace, monospace;
    --ff-kanji: "Noto Serif JP", serif;

    --u: 8px;
    --pad: 32px;
    --gap: 64px;
    --nav-h: 48px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    background: var(--c-void);
}

body {
    background: var(--c-void);
    color: var(--c-silver);
    font-family: var(--ff-body);
    font-weight: 300;
    font-size: clamp(0.875rem, 1.2vw, 1.05rem);
    line-height: 1.75;
    letter-spacing: 0.01em;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* ---------- Noise overlay ---------- */
.noise-overlay {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 100;
    mix-blend-mode: soft-light;
    opacity: 0.07;
}
.noise-overlay svg {
    display: block;
    width: 100%;
    height: 100%;
}

/* ---------- Background grid rules ---------- */
.grid-rules {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}
.grid-rule {
    position: absolute;
    top: 0;
    width: 1px;
    height: 100vh;
    background: var(--c-border-faint);
    opacity: 0.5;
}

/* ---------- Crosshairs ---------- */
.crosshairs {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    background-image:
        linear-gradient(to right, transparent 0, transparent calc(16.66% - 4px), var(--c-border) calc(16.66% - 4px), var(--c-border) calc(16.66% - 3px), transparent calc(16.66% - 3px), transparent calc(16.66% + 3px), var(--c-border) calc(16.66% + 3px), var(--c-border) calc(16.66% + 4px), transparent calc(16.66% + 4px));
    background-size: 0 0;
    /* use pseudo-elements instead */
}

.crosshairs::before,
.crosshairs::after {
    content: "";
    position: absolute;
    inset: 0;
}

.crosshairs::before {
    background-image:
        radial-gradient(circle at 25% 25%, var(--c-border) 0, var(--c-border) 1px, transparent 1.5px),
        radial-gradient(circle at 75% 75%, var(--c-border) 0, var(--c-border) 1px, transparent 1.5px),
        radial-gradient(circle at 50% 50%, var(--c-border) 0, var(--c-border) 1px, transparent 1.5px);
    background-size: 240px 240px, 240px 240px, 240px 240px;
    opacity: 0.15;
    animation: pulse-radar 6s ease-in-out infinite;
}

@keyframes pulse-radar {
    0%, 100% { opacity: 0.08; }
    50% { opacity: 0.2; }
}

/* ---------- Viewport corner brackets ---------- */
.viewport-brackets {
    position: fixed;
    inset: 24px;
    pointer-events: none;
    z-index: 3;
}
.vb {
    position: absolute;
    width: 16px;
    height: 16px;
    opacity: 0;
    transition: opacity 600ms ease-out 1200ms;
}
.vb::before, .vb::after {
    content: "";
    position: absolute;
    background: var(--c-pulse);
}
.vb::before { /* horizontal arm */
    height: 1px;
    width: 0;
    transition: width 400ms ease-out 1200ms;
}
.vb::after { /* vertical arm */
    width: 1px;
    height: 0;
    transition: height 400ms ease-out 1200ms;
}
.vb-tl { top: 0; left: 0; }
.vb-tl::before { top: 0; left: 0; }
.vb-tl::after  { top: 0; left: 0; }
.vb-tr { top: 0; right: 0; }
.vb-tr::before { top: 0; right: 0; }
.vb-tr::after  { top: 0; right: 0; }
.vb-bl { bottom: 0; left: 0; }
.vb-bl::before { bottom: 0; left: 0; }
.vb-bl::after  { bottom: 0; left: 0; }
.vb-br { bottom: 0; right: 0; }
.vb-br::before { bottom: 0; right: 0; }
.vb-br::after  { bottom: 0; right: 0; }

body.loaded .vb { opacity: 1; }
body.loaded .vb::before { width: 16px; }
body.loaded .vb::after { height: 16px; }

/* ---------- Status Bar ---------- */
.status-bar {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-h);
    z-index: 50;
    background: rgba(10, 15, 26, 0.72);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--c-border);
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 600ms ease-out 300ms, transform 600ms ease-out 300ms;
}
body.loaded .status-bar {
    opacity: 1;
    transform: translateY(0);
}
.status-bar-inner {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 32px;
    gap: 24px;
    font-family: var(--ff-data);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-chrome);
}
.sb-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.sb-domain {
    font-family: var(--ff-head);
    font-weight: 700;
    color: var(--c-white);
    font-size: 0.875rem;
    letter-spacing: 0.06em;
}
.sb-status-dot {
    width: 6px;
    height: 6px;
    background: var(--c-pulse);
    display: inline-block;
    animation: dot-blink 2s ease-in-out infinite;
}
@keyframes dot-blink {
    0%, 60%, 100% { opacity: 1; }
    70%, 90% { opacity: 0.3; }
}
.sb-status {
    color: var(--c-pulse);
}
.sb-divider {
    flex: 1;
    height: 1px;
    background: var(--c-border);
}
.sb-nav {
    display: flex;
    gap: 20px;
    flex-shrink: 0;
}
.sb-link {
    text-decoration: none;
    color: var(--c-chrome);
    display: flex;
    align-items: baseline;
    gap: 4px;
    padding: 4px 0;
    transition: color 250ms ease;
    position: relative;
}
.sb-link .sb-num { font-weight: 400; opacity: 0.7; }
.sb-link:hover { color: var(--c-white); }
.sb-link.active {
    color: var(--c-pulse);
}
.sb-link.active .sb-num { opacity: 1; color: var(--c-pulse); }
.sb-link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -14px;
    height: 1px;
    background: var(--c-pulse);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 300ms ease;
}
.sb-link.active::after { transform: scaleX(1); }
.sb-timestamp {
    flex-shrink: 0;
    color: var(--c-chrome);
    min-width: 120px;
    text-align: right;
}
.sb-progress-mobile {
    display: none;
}

/* ---------- Scroll progress (right edge) ---------- */
.scroll-progress {
    position: fixed;
    right: 24px;
    top: calc(var(--nav-h) + 48px);
    bottom: 48px;
    width: 2px;
    z-index: 40;
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
}
.sp-track {
    width: 1px;
    flex: 1;
    background: var(--c-border);
    position: relative;
}
.sp-fill {
    position: absolute;
    top: 0;
    left: -0.5px;
    width: 2px;
    height: 0%;
    background: var(--c-pulse);
    transition: height 120ms linear;
}
.sp-label {
    margin-top: 8px;
    font-family: var(--ff-data);
    font-size: 0.625rem;
    letter-spacing: 0.15em;
    color: var(--c-chrome);
    writing-mode: vertical-rl;
    transform: rotate(180deg);
}

/* ---------- Container / Panels ---------- */
.container {
    position: relative;
    z-index: 10;
    padding: 0 32px;
    max-width: 100%;
    scroll-snap-type: y proximity;
}

/* ---------- Opening Panel ---------- */
.panel-opening {
    min-height: calc(100vh - var(--nav-h));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    scroll-snap-align: start;
    padding: 64px 0;
}
.opening-inner {
    text-align: center;
    max-width: 800px;
    width: 100%;
}
.opening-title {
    font-family: var(--ff-head);
    font-weight: 700;
    font-size: clamp(3rem, 6vw, 5rem);
    color: var(--c-white);
    letter-spacing: 0.04em;
    line-height: 1;
    text-transform: lowercase;
    display: inline-flex;
    align-items: baseline;
    gap: 2px;
}
.typewriter {
    display: inline-block;
    white-space: pre;
}
.cursor {
    display: inline-block;
    width: 3px;
    height: 0.85em;
    background: var(--c-pulse);
    margin-left: 4px;
    transform: translateY(0.08em);
    opacity: 1;
    transition: opacity 300ms ease;
}
.cursor.hidden { opacity: 0; }

.opening-line {
    width: 0;
    height: 1px;
    background: var(--c-border);
    margin: 24px auto;
    transition: width 800ms cubic-bezier(0.25, 0.1, 0.25, 1) 1200ms;
}
body.loaded .opening-line { width: 40vw; }

.opening-subtitle {
    font-family: var(--ff-body);
    font-weight: 300;
    font-size: 0.875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--c-chrome);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 800ms ease 1800ms, transform 800ms ease 1800ms;
}
body.loaded .opening-subtitle {
    opacity: 1;
    transform: translateY(0);
}

.opening-meta {
    margin-top: 64px;
    font-family: var(--ff-data);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-chrome);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    opacity: 0;
    transition: opacity 800ms ease 2400ms;
}
body.loaded .opening-meta { opacity: 1; }
.meta-sep { color: var(--c-border); }

/* ---------- Ma Zones ---------- */
.ma-zone {
    min-height: 50vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.ma-zone-final { min-height: 40vh; }

.kanji-watermark {
    position: absolute;
    top: 50%;
    left: 60%;
    transform: translate(-50%, -50%);
    font-family: var(--ff-kanji);
    font-weight: 400;
    font-size: 30vw;
    line-height: 1;
    color: var(--c-silver);
    opacity: 0.03;
    pointer-events: none;
    transition: opacity 1200ms ease;
    user-select: none;
    will-change: opacity;
}
.ma-zone.in-view .kanji-watermark { opacity: 0.06; }

.ma-rule {
    width: 0;
    height: 1px;
    background: var(--c-border);
    transition: width 1400ms cubic-bezier(0.25, 0.1, 0.25, 1);
    position: relative;
    z-index: 2;
}
.ma-zone.in-view .ma-rule { width: 20vw; }

.ma-glyph {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--ff-head);
    font-size: 0.625rem;
    color: var(--c-chrome);
    letter-spacing: 0.2em;
    opacity: 0;
    transition: opacity 800ms ease 600ms;
}
.ma-zone.in-view .ma-glyph { opacity: 0.4; }

/* ---------- Panels ---------- */
.panel {
    position: relative;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    column-gap: 16px;
    padding: 48px 0;
    scroll-snap-align: start;
    margin: var(--gap) 0;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 500ms cubic-bezier(0.25, 0.1, 0.25, 1), transform 500ms cubic-bezier(0.25, 0.1, 0.25, 1);
    will-change: transform, opacity;
}
.panel.in-view {
    opacity: 1;
    transform: translateY(0);
}

.panel > .panel-head,
.panel > .panel-body {
    grid-column: 2 / span 6;
}
.panel.panel-offset > .panel-head,
.panel.panel-offset > .panel-body {
    grid-column: 6 / span 6;
}

.panel::before,
.panel::after {
    content: "";
    position: absolute;
    background: var(--c-border);
    transition: transform 600ms cubic-bezier(0.25, 0.1, 0.25, 1) 100ms;
}
.panel::before { /* top border */
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    transform: scaleX(0);
    transform-origin: left;
}
.panel::after { /* right border */
    top: 0;
    right: 0;
    bottom: 0;
    width: 1px;
    transform: scaleY(0);
    transform-origin: top;
    transition-delay: 500ms;
}
.panel.in-view::before { transform: scaleX(1); }
.panel.in-view::after { transform: scaleY(1); }

/* Corner brackets */
.bracket {
    position: absolute;
    width: 12px;
    height: 12px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 300ms ease;
}
.bracket::before, .bracket::after {
    content: "";
    position: absolute;
    background: var(--c-pulse);
    transition: transform 400ms cubic-bezier(0.25, 0.1, 0.25, 1);
}
.bracket-tl { top: -1px; left: -1px; }
.bracket-tl::before {
    top: 0; left: 0;
    width: 12px; height: 1px;
    transform: scaleX(0); transform-origin: left;
}
.bracket-tl::after {
    top: 0; left: 0;
    width: 1px; height: 12px;
    transform: scaleY(0); transform-origin: top;
}
.bracket-br { bottom: -1px; right: -1px; }
.bracket-br::before {
    bottom: 0; right: 0;
    width: 12px; height: 1px;
    transform: scaleX(0); transform-origin: right;
}
.bracket-br::after {
    bottom: 0; right: 0;
    width: 1px; height: 12px;
    transform: scaleY(0); transform-origin: bottom;
}
.panel.in-view .bracket {
    opacity: 1;
}
.panel.in-view .bracket-tl { transition-delay: 700ms; }
.panel.in-view .bracket-br { transition-delay: 850ms; }
.panel.in-view .bracket::before,
.panel.in-view .bracket::after {
    transform: scaleX(1);
}
.panel.in-view .bracket-tl::after,
.panel.in-view .bracket-br::after {
    transform: scaleY(1);
}

/* Panel head */
.panel-head {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 32px 0;
    font-family: var(--ff-data);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-chrome);
    background: var(--c-panel);
    border-left: 1px solid var(--c-border);
    border-top: 1px solid var(--c-border);
}
.panel-num {
    color: var(--c-pulse);
}
.panel-tag {
    color: var(--c-white);
    font-weight: 700;
}
.panel-coord {
    margin-left: auto;
    color: var(--c-chrome);
    opacity: 0.6;
}

/* Panel body */
.panel-body {
    padding: 32px 32px 48px;
    background: var(--c-panel);
    border-left: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
    position: relative;
}

.panel-title {
    font-family: var(--ff-head);
    font-weight: 700;
    font-size: clamp(1.1rem, 2vw, 1.75rem);
    line-height: 1.3;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--c-white);
    margin-bottom: 32px;
}
.panel-title .char {
    display: inline-block;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 400ms ease, transform 400ms ease;
    white-space: pre;
}
.panel-title.animated .char {
    opacity: 1;
    transform: translateY(0);
}

.panel-lead {
    color: var(--c-silver);
    font-weight: 300;
    margin-bottom: 24px;
    max-width: 62ch;
    opacity: 0;
    transition: opacity 600ms ease 400ms;
}
.panel.in-view .panel-lead { opacity: 1; }

.panel-lead em {
    font-style: italic;
    color: var(--c-white);
    font-weight: 400;
}
.amber {
    color: var(--c-amber);
    font-weight: 400;
}
.mono {
    font-family: var(--ff-data);
    color: var(--c-white);
    font-size: 0.875em;
    letter-spacing: 0.06em;
}

/* Data grid (SIGNAL) */
.data-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--c-border);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 600ms ease 600ms, transform 600ms ease 600ms;
}
.panel.in-view .data-grid {
    opacity: 1;
    transform: translateY(0);
}
.data-cell {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-family: var(--ff-data);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.data-label {
    font-size: 0.625rem;
    color: var(--c-chrome);
}
.data-value {
    font-size: 0.875rem;
    color: var(--c-white);
}
.data-value.accent { color: var(--c-pulse); }

/* Timeline (ORIGIN) */
.timeline {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--c-border);
    display: flex;
    flex-direction: column;
    gap: 12px;
    opacity: 0;
    transition: opacity 600ms ease 600ms;
}
.panel.in-view .timeline { opacity: 1; }
.timeline-row {
    display: flex;
    gap: 12px;
    align-items: baseline;
    font-family: var(--ff-body);
    font-size: 0.9rem;
}
.tl-time {
    font-family: var(--ff-data);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    color: var(--c-pulse);
    flex-shrink: 0;
    min-width: 110px;
}
.tl-sep {
    color: var(--c-border);
}
.tl-note {
    color: var(--c-silver);
}

/* Chevron dividers */
.chevron-divider {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    margin: 32px 0;
    color: var(--c-border);
    font-family: var(--ff-head);
    font-size: 1rem;
    line-height: 0.8;
}
.chev {
    display: block;
    opacity: 0.7;
    transform: scaleY(0.6);
}
.chev:nth-child(2) { opacity: 0.5; }
.chev:nth-child(3) { opacity: 0.3; }

/* Matrix (FIELD) */
.matrix {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 24px;
    opacity: 0;
    transition: opacity 600ms ease 600ms;
}
.panel.in-view .matrix { opacity: 1; }
.matrix-cell {
    border: 1px solid var(--c-border);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: var(--c-void);
    position: relative;
}
.matrix-cell::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 8px; height: 1px;
    background: var(--c-pulse);
}
.matrix-cell::after {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 1px; height: 8px;
    background: var(--c-pulse);
}
.mc-label {
    font-family: var(--ff-data);
    font-size: 0.625rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--c-chrome);
}
.mc-value {
    font-family: var(--ff-head);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.08em;
    color: var(--c-white);
    text-transform: uppercase;
}
.mc-desc {
    font-size: 0.8rem;
    color: var(--c-silver);
    line-height: 1.6;
    margin-top: 4px;
}

/* Method list */
.method-list {
    list-style: none;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--c-border);
    display: flex;
    flex-direction: column;
    gap: 24px;
    opacity: 0;
    transition: opacity 600ms ease 600ms;
}
.panel.in-view .method-list { opacity: 1; }
.method-list li {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 16px;
    align-items: start;
}
.m-num {
    font-family: var(--ff-head);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--c-pulse);
    letter-spacing: 0.06em;
}
.m-body {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.m-title {
    font-family: var(--ff-head);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--c-white);
}
.m-text {
    font-size: 0.9rem;
    color: var(--c-silver);
    line-height: 1.7;
}

/* Log list */
.log-list {
    list-style: none;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--c-border);
    display: flex;
    flex-direction: column;
    opacity: 0;
    transition: opacity 600ms ease 600ms;
}
.panel.in-view .log-list { opacity: 1; }
.log-entry {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: 16px;
    align-items: baseline;
    padding: 14px 0;
    border-bottom: 1px solid var(--c-border-faint);
    transition: border-color 250ms ease, padding-left 250ms ease;
    cursor: default;
}
.log-entry:last-child { border-bottom: none; }
.log-entry:hover {
    border-bottom-color: var(--c-pulse);
    padding-left: 6px;
}
.log-date {
    font-family: var(--ff-data);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    color: var(--c-pulse);
}
.log-title {
    font-family: var(--ff-body);
    font-size: 0.95rem;
    color: var(--c-white);
    font-weight: 400;
}
.log-meta {
    font-family: var(--ff-data);
    font-size: 0.625rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-chrome);
    white-space: nowrap;
}
.log-meta.amber { color: var(--c-amber); }

/* Terminal footer */
.terminal-footer {
    margin: 64px 0 48px;
    padding: 32px;
    border-top: 1px solid var(--c-border);
    font-family: var(--ff-data);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-chrome);
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.tf-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.tf-row-b {
    justify-content: space-between;
    color: var(--c-border);
}
.tf-label { color: var(--c-white); }
.tf-dash { color: var(--c-border); flex: 1; }
.tf-stamp { color: var(--c-pulse); }
.tf-small {
    text-transform: none;
    letter-spacing: 0.05em;
    font-size: 0.7rem;
}
.tf-dim { opacity: 0.5; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .grid-rules .grid-rule:nth-child(n+8) { display: none; }
}

@media (max-width: 768px) {
    :root {
        --pad: 20px;
        --gap: 48px;
        --nav-h: 56px;
    }
    .container { padding: 0 20px; }
    .status-bar-inner { padding: 0 20px; gap: 12px; }
    .sb-divider { display: none; }
    .sb-timestamp { display: none; }
    .sb-link .sb-label { display: none; }
    .sb-nav { gap: 12px; }
    .sb-status { display: none; }

    .scroll-progress {
        display: none;
    }
    .sb-progress-mobile {
        display: block;
        position: absolute;
        bottom: -1px;
        left: 0;
        width: 0%;
        height: 2px;
        background: var(--c-pulse);
        transition: width 120ms linear;
    }

    .panel {
        grid-template-columns: repeat(4, 1fr);
        margin: 32px 0;
    }
    .panel > .panel-head,
    .panel > .panel-body,
    .panel.panel-offset > .panel-head,
    .panel.panel-offset > .panel-body {
        grid-column: 1 / -1;
    }

    .panel-head { padding: 16px 20px 0; font-size: 0.65rem; gap: 10px; flex-wrap: wrap; }
    .panel-coord { margin-left: 0; width: 100%; }
    .panel-body { padding: 24px 20px 32px; }

    .bracket { width: 8px; height: 8px; }
    .bracket-tl::before, .bracket-br::before { width: 8px; }
    .bracket-tl::after, .bracket-br::after { height: 8px; }

    .viewport-brackets { inset: 12px; }

    .data-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .matrix { grid-template-columns: 1fr; }

    .log-entry {
        grid-template-columns: 1fr;
        gap: 4px;
    }
    .timeline-row { flex-wrap: wrap; }
    .tl-time { min-width: auto; }

    .kanji-watermark { font-size: 60vw; }
}

/* Smaller type fallback */
@media (max-width: 480px) {
    .opening-title { font-size: 2.5rem; }
    .opening-meta { flex-direction: column; gap: 6px; }
}