/* 星辰生物实验室（版式沿用物理实验室） */
:root {
  --bg: #060a12;
  --bg2: #0b1220;
  --card: #0f1828;
  --card2: #132036;
  --line: #22324a;
  --line2: #2d4262;
  --text: #e7eef8;
  --muted: #93a6bf;
  --faint: #61748e;
  --accent: #8be08f;
  --accent-ink: #06240c;
  --amber: #ffb347;
  --pink: #ff7ab6;
  --blue: #7cb7ff;
  --good: #6ee7d2;
  --bad: #ff8a7a;
  --radius: 14px;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --mono: "Cascadia Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: radial-gradient(1200px 600px at 70% -10%, #13284a55, transparent 60%), radial-gradient(900px 500px at -10% 110%, #1b3f1a33, transparent 60%), var(--bg);
  color: var(--text); font: 15px/1.6 var(--font); min-height: 100vh;
}
button, select, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 6px 12px; border-radius: 8px; z-index: 50; }
.skip:focus { left: 8px; }
[hidden] { display: none !important; }

/* 顶栏 */
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 18px; padding: 10px 20px; background: #060a12e6; backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.home { color: var(--muted); text-decoration: none; font-size: 14px; white-space: nowrap; }
.home:hover { color: var(--accent); }
.brand { display: flex; align-items: baseline; gap: 10px; font-weight: 650; font-size: 18px; letter-spacing: .5px; }
.brand-mark { color: var(--accent); }
.brand small { color: var(--faint); font-size: 11px; letter-spacing: 2.5px; font-weight: 500; }
.top-controls { margin-left: auto; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.segmented { display: inline-flex; border: 1px solid var(--line2); border-radius: 999px; padding: 3px; background: var(--bg2); }
.segmented button { border: 0; background: none; padding: 4px 14px; border-radius: 999px; color: var(--muted); }
.segmented button[aria-pressed=true] { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.select-wrap { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; }
select { background: var(--bg2); border: 1px solid var(--line2); border-radius: 8px; padding: 4px 8px; }
.switch { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); cursor: pointer; }
.switch input { accent-color: var(--accent); width: 16px; height: 16px; }
.ghost-button { background: none; border: 1px solid var(--line2); border-radius: 999px; padding: 4px 14px; color: var(--text); font-size: 13px; }
.ghost-button:hover { border-color: var(--accent); }
.menu-button { display: none; }

/* 三栏布局 */
.layout { display: grid; grid-template-columns: 236px minmax(0, 1fr) 360px; gap: 18px; padding: 18px 20px 40px; max-width: 1680px; margin: 0 auto; }
.catalog { position: sticky; top: 70px; align-self: start; max-height: calc(100vh - 90px); overflow: auto; padding-right: 4px; }
.progress-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 14px; }
.progress-card span { color: var(--muted); font-size: 12px; letter-spacing: 1px; }
.progress-card strong { display: block; font-size: 22px; }
.progress-bar { height: 6px; border-radius: 4px; background: var(--bg2); overflow: hidden; margin: 6px 0; }
.progress-bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--blue)); transition: width .4s; }
.progress-card small { color: var(--faint); font-size: 12px; line-height: 1.5; display: block; }
.module-title { color: var(--faint); font-size: 12px; letter-spacing: 2px; margin: 16px 6px 6px; }
.exp-link { display: grid; grid-template-columns: 30px 1fr auto; align-items: center; gap: 8px; width: 100%; text-align: left; border: 1px solid transparent; background: none; border-radius: 10px; padding: 8px 8px; color: var(--text); }
.exp-link:hover { background: var(--card); }
.exp-link[aria-current=true] { background: var(--card2); border-color: var(--line2); }
.exp-link .no { font: 600 12px var(--mono); color: var(--faint); }
.exp-link .name { font-size: 14px; line-height: 1.35; }
.exp-link .marks { font-size: 12px; letter-spacing: 1px; color: var(--amber); white-space: nowrap; }
.exp-link .swatch { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }

/* 中间实验台 */
.bench { min-width: 0; display: flex; flex-direction: column; gap: 16px; }
.stage-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; }
.eyebrow { margin: 0; color: var(--accent); font-size: 12px; letter-spacing: 3px; font-weight: 600; }
h1 { margin: 2px 0 0; font-size: 28px; line-height: 1.25; }
.subtitle { margin: 4px 0 0; color: var(--muted); }
.badges { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.badge { font-size: 12px; border: 1px solid var(--line2); border-radius: 999px; padding: 2px 10px; color: var(--faint); white-space: nowrap; }
.badge.on { color: var(--amber); border-color: #ffb34766; background: #ffb34712; }
.stage-card, .graph-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.canvas-wrap { position: relative; height: clamp(300px, 52vh, 600px); background: radial-gradient(800px 400px at 50% 0%, #12301f, #060c0f 70%); touch-action: none; }
#scene { display: block; width: 100%; height: 100%; }
.readout-strip { display: flex; gap: 14px; padding: 10px 14px; border-top: 1px solid var(--line); background: #0b1322; align-items: flex-start; }
.readout-panel { flex: 1; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 3px 22px; font-size: 13px; min-height: 22px; }
.readout { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px dashed #ffffff0d; padding: 1px 0; }
.readout span { color: var(--muted); white-space: nowrap; }
.readout b { font: 600 13px var(--mono); color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.readout.hl b { color: var(--accent); }
.bars-panel { width: 210px; flex: none; font-size: 12px; border-left: 1px solid var(--line); padding-left: 14px; }
.bars-panel h4 { margin: 0 0 4px; font-size: 12px; color: var(--muted); font-weight: 500; }
.ebar { display: grid; grid-template-columns: 64px 1fr 44px; gap: 6px; align-items: center; margin: 3px 0; }
.ebar i { display: block; height: 10px; border-radius: 3px; min-width: 1px; transition: width .08s linear; }
.ebar span { color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.toast { position: absolute; left: 50%; bottom: 16px; transform: translate(-50%, 20px); background: var(--accent); color: var(--accent-ink); padding: 7px 16px; border-radius: 999px; font-weight: 600; font-size: 14px; opacity: 0; pointer-events: none; transition: .25s; white-space: nowrap; max-width: 92%; overflow: hidden; text-overflow: ellipsis; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.warn { background: var(--amber); }
.toolbar { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding: 10px 12px; border-top: 1px solid var(--line); }
.tool-group { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.toolbar button, .data-actions button, .export-row button, .fit-row button, .presets button, .extra-controls button { background: var(--card2); border: 1px solid var(--line2); border-radius: 8px; padding: 5px 12px; font-size: 13px; }
.toolbar button:hover, .export-row button:hover, .fit-row button:hover, .presets button:hover, .extra-controls button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 650; }
button.primary:hover { filter: brightness(1.08); }
.toggle[aria-pressed=true] { background: #8be08f1f; border-color: var(--accent); color: var(--accent); }
.compact select { padding: 3px 6px; }
.sim-time { font: 13px var(--mono); color: var(--muted); margin-left: 6px; min-width: 96px; }

.graph-card { padding: 12px 14px 8px; }
.graph-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.graph-head h2 { margin: 0; font-size: 15px; }
.graph-controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.series-toggles { display: flex; gap: 6px; flex-wrap: wrap; }
.series-toggles label { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 1px 9px 1px 6px; cursor: pointer; }
.series-toggles input { accent-color: var(--accent); margin: 0; }
.series-toggles i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
#graph { display: block; width: 100%; height: 200px; margin-top: 6px; }
.text-button { background: none; border: 0; color: var(--muted); font-size: 13px; padding: 4px 6px; text-decoration: underline; text-underline-offset: 3px; }
.text-button:hover { color: var(--accent); }

/* 右侧面板 */
.panel { position: sticky; top: 70px; align-self: start; max-height: calc(100vh - 90px); overflow: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.tabs { position: sticky; top: 0; z-index: 2; display: grid; grid-template-columns: repeat(3, 1fr); background: var(--card); border-bottom: 1px solid var(--line); }
.tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 11px 0; color: var(--muted); font-weight: 600; }
.tabs button[aria-selected=true] { color: var(--text); border-bottom-color: var(--accent); }
.tab-panel { padding: 14px 16px 20px; }
.panel-label { margin: 18px 0 8px; font-size: 12px; letter-spacing: 2px; color: var(--faint); font-weight: 600; }
.task-card { border: 1px solid var(--line2); background: linear-gradient(160deg, #142540, #0f1828); border-radius: 12px; padding: 12px 14px; }
.task-card h3 { margin: 0 0 6px; font-size: 14px; color: var(--accent); letter-spacing: 1px; }
.task-card ol { margin: 0; padding-left: 0; list-style: none; counter-reset: step; }
.task-card li { position: relative; padding: 4px 0 4px 30px; color: var(--faint); font-size: 14px; counter-increment: step; }
.task-card li::before { content: counter(step); position: absolute; left: 0; top: 5px; width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--line2); font: 600 11px/18px var(--mono); text-align: center; }
.task-card li.current { color: var(--text); }
.task-card li.current::before { border-color: var(--accent); color: var(--accent); }
.task-card li.done { color: var(--muted); }
.task-card li.done::before { content: "✓"; background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.task-card li strong { display: block; font-size: 14px; }
.task-card li small { display: block; font-size: 13px; line-height: 1.5; }
.task-card p { margin: 4px 0; font-size: 14px; }
.task-card .challenge-status { margin-top: 8px; font-size: 13px; color: var(--muted); }
.task-card .challenge-status.ok { color: var(--good); }
.task-card .row { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.task-card .row button { background: var(--card2); border: 1px solid var(--line2); border-radius: 8px; padding: 4px 10px; font-size: 13px; }
.params { display: grid; gap: 12px; }
.param label { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; font-size: 14px; }
.param .val { display: inline-flex; align-items: baseline; gap: 4px; }
.param input[type=number] { width: 78px; background: var(--bg2); border: 1px solid var(--line2); border-radius: 6px; padding: 1px 6px; font: 13px var(--mono); text-align: right; }
.param .unit { color: var(--muted); font-size: 12px; min-width: 18px; }
.param input[type=range] { width: 100%; accent-color: var(--accent); margin: 4px 0 0; }
.param select { width: 100%; margin-top: 4px; }
.param .hint { color: var(--faint); font-size: 12px; line-height: 1.4; margin-top: 2px; }
.param.toggle-param label { justify-content: flex-start; gap: 8px; cursor: pointer; }
.param.toggle-param input { accent-color: var(--accent); width: 16px; height: 16px; }
.presets, .extra-controls { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.presets:empty, .extra-controls:empty { display: none; }
.presets::before { content: "预设"; width: 100%; font-size: 12px; letter-spacing: 2px; color: var(--faint); font-weight: 600; }
.data-actions { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.small-copy { color: var(--faint); font-size: 12px; line-height: 1.5; margin: 6px 0; }
.table-wrap { max-height: 240px; overflow: auto; border: 1px solid var(--line); border-radius: 10px; margin-top: 8px; }
table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
th, td { padding: 5px 8px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { position: sticky; top: 0; background: var(--card2); color: var(--muted); font-weight: 600; }
td { font-family: var(--mono); }
th:first-child, td:first-child { text-align: center; color: var(--faint); }
tbody tr:hover td { background: #ffffff06; }
.empty-row td { text-align: center; color: var(--faint); font-family: var(--font); padding: 16px; }
.fit-row { display: flex; gap: 6px; }
.fit-row select { flex: 1; min-width: 0; }
#fit-plot { display: block; width: 100%; height: 170px; margin-top: 8px; background: var(--bg2); border-radius: 10px; border: 1px solid var(--line); }
.fit-result { font-size: 13.5px; margin-top: 8px; line-height: 1.6; }
.fit-result:empty { display: none; }
.fit-result .formula { font-family: var(--mono); color: var(--accent); }
.fit-result .derived { display: block; margin-top: 4px; padding: 6px 10px; border-left: 3px solid var(--amber); background: #ffb34710; border-radius: 0 8px 8px 0; }
.export-row { display: flex; gap: 6px; flex-wrap: wrap; }
.level-note { font-size: 12px; color: var(--faint); letter-spacing: 1px; }
.explain { font-size: 14.5px; line-height: 1.75; }
.explain p { margin: 8px 0; }
.explain .formula { display: block; margin: 8px 0; padding: 8px 12px; background: var(--bg2); border: 1px solid var(--line); border-radius: 8px; font-family: var(--mono); font-size: 13.5px; color: var(--accent); overflow-x: auto; }
.assumptions { color: var(--muted); font-size: 13.5px; line-height: 1.7; margin: 0; }
.quiz p { margin: 0 0 8px; font-weight: 600; font-size: 14.5px; }
.quiz label { display: flex; gap: 8px; align-items: flex-start; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; margin: 5px 0; cursor: pointer; font-size: 14px; }
.quiz label:hover { border-color: var(--line2); }
.quiz input { accent-color: var(--accent); margin-top: 5px; }
.quiz label.right { border-color: var(--good); background: #7be38f12; }
.quiz label.wrong { border-color: var(--bad); background: #ff8a7a12; }
.quiz button { margin-top: 6px; background: var(--card2); border: 1px solid var(--line2); border-radius: 8px; padding: 5px 14px; }
.quiz .feedback { font-size: 13.5px; color: var(--muted); margin-top: 8px; line-height: 1.6; }
textarea { width: 100%; background: var(--bg2); border: 1px solid var(--line2); border-radius: 10px; padding: 8px 10px; resize: vertical; line-height: 1.6; }
.print-report { display: none; }

/* 平板 */
@media (max-width: 1260px) {
  .layout { grid-template-columns: 210px minmax(0, 1fr); }
  .panel { grid-column: 1 / -1; position: static; max-height: none; }
}
/* 手机 */
@media (max-width: 860px) {
  .topbar { padding: 8px 16px; gap: 10px; }
  .brand small { display: none; }
  .top-controls { margin-left: 0; width: 100%; gap: 8px; }
  .menu-button { display: inline-block; }
  .layout { grid-template-columns: minmax(0, 1fr); padding: 12px 16px 32px; gap: 14px; }
  .catalog { display: none; position: static; max-height: none; }
  .catalog.open { display: block; }
  h1 { font-size: 22px; }
  .stage-head { flex-direction: column; align-items: flex-start; }
  .badges { justify-content: flex-start; }
  .canvas-wrap { height: clamp(280px, 85vw, 58vh); }
  .readout-strip { flex-direction: column; padding: 8px 12px; }
  .readout-panel { grid-template-columns: 1fr; width: 100%; }
  .readout b { font-size: 12px; }
  .bars-panel { width: 100%; border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 6px; }
    .toolbar { padding: 8px; }
  .sim-time { min-width: 0; }
}
/* 打印报告 */
@media print {
  body { background: #fff; color: #000; }
  .topbar, .layout, .skip { display: none !important; }
  .print-report { display: block; font: 12pt/1.6 serif; padding: 0 8mm; }
  .print-report h1 { font-size: 18pt; }
  .print-report table { border-collapse: collapse; width: 100%; }
  .print-report th, .print-report td { border: 1px solid #999; padding: 3px 6px; color: #000; background: #fff; position: static; font-family: serif; }
  .print-report pre { white-space: pre-wrap; font: 11pt/1.5 serif; }
}
@media (prefers-reduced-motion: reduce) {
  .progress-bar i, .toast, .ebar i { transition: none; }
}
.bars-panel .mono { font: 600 12px var(--mono); }
.task-card .answer-input { width: 110px; background: var(--bg2); border: 1px solid var(--line2); border-radius: 8px; padding: 3px 8px; font: 13px var(--mono); }
.task-card .unit { color: var(--muted); font-size: 13px; align-self: center; }
.ebar b { font: 600 11.5px var(--mono); color: var(--muted); text-align: right; }
.seed-box { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; color: var(--muted); }
.seed-box input { width: 86px; background: var(--bg2); border: 1px solid var(--line2); border-radius: 6px; padding: 2px 6px; font: 13px var(--mono); }
/* 实验自带的控件 */
.extra-controls .panel-label { width: 100%; margin: 6px 0 0; }
.extra-controls .wide { width: 100%; }
.extra-controls button[aria-pressed=true] { border-color: var(--accent); color: var(--accent); background: #8be08f1a; }
.text-input { width: 100%; background: var(--bg2); border: 1px solid var(--line2); border-radius: 8px; padding: 6px 8px; font: 13px var(--mono); letter-spacing: .5px; }
.text-input.bad { border-color: var(--bad); }
.seq { font: 12.5px/1.7 var(--mono); word-break: break-all; background: var(--bg2); border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; width: 100%; }
.mini-table { border: 1px solid var(--line); border-radius: 8px; margin: 6px 0; overflow: auto; }
.mini-table table { font-size: 12.5px; }
.mini-table td { font-family: var(--font); }
.ok-text { color: var(--good); }
.bad-text { color: var(--bad); }
.pill { display: inline-block; border: 1px solid var(--line2); border-radius: 999px; padding: 0 8px; margin: 2px 4px 2px 0; font-size: 12px; }
.pill.ok { border-color: var(--good); color: var(--good); }
.pill.no { color: var(--faint); text-decoration: line-through; }

/* 成就系统 */
.ach-button { display: inline-flex; align-items: center; gap: 5px; }
.ach-button b { font: 600 12px var(--mono); color: var(--amber); }
.ach-button-mark { color: var(--amber); }
.sandbox-link { text-decoration: none; color: var(--accent); border-color: #8be08f66; white-space: nowrap; }
.sandbox-link:hover { background: #8be08f14; }
.tier-bronze { --tier: #d89a66; --tier-ink: #3a1f0a; }
.tier-silver { --tier: #cfdbe9; --tier-ink: #1b2533; }
.tier-gold { --tier: #ffd36e; --tier-ink: #3b2a00; }
.ach-medal { flex: none; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; font: 700 17px/1 var(--font); color: var(--tier-ink);
  background: radial-gradient(circle at 35% 30%, #ffffffb0, transparent 45%), var(--tier); box-shadow: 0 0 0 3px var(--card), 0 0 0 4px var(--tier), 0 4px 14px #0008; }
.ach-dialog { width: min(760px, calc(100vw - 32px)); max-height: min(86vh, 900px); padding: 0; background: var(--card); color: var(--text); border: 1px solid var(--line2); border-radius: 18px; box-shadow: 0 24px 80px #000c; overflow: hidden; }
.ach-dialog[open] { display: flex; flex-direction: column; }
.ach-dialog::backdrop { background: #02050bcc; backdrop-filter: blur(3px); }
.ach-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; padding: 16px 20px 12px; border-bottom: 1px solid var(--line); background: linear-gradient(160deg, #142540, #0f1828); }
.ach-head > div { flex: 1; min-width: 0; }
.ach-head h2 { margin: 0; font-size: 20px; }
.ach-summary { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.ach-head .progress-bar { max-width: 360px; }
.ach-head .progress-bar i { background: linear-gradient(90deg, #d89a66, #ffd36e); }
.ach-body { overflow: auto; padding: 4px 20px 8px; overscroll-behavior: contain; }
.ach-cat h3 { display: flex; justify-content: space-between; align-items: baseline; margin: 16px 0 8px; font-size: 13px; letter-spacing: 2px; color: var(--muted); }
.ach-cat h3 small { font: 12px var(--mono); color: var(--faint); letter-spacing: 0; }
.ach-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.ach-card { display: flex; gap: 12px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg2); min-width: 0; }
.ach-card.on { border-color: var(--line2); background: linear-gradient(150deg, #18263d, var(--bg2)); }
.ach-card:not(.on) .ach-medal { filter: grayscale(1) brightness(.45); box-shadow: 0 0 0 3px var(--bg2), 0 0 0 4px var(--line2); }
.ach-text { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.ach-text strong { display: flex; align-items: center; gap: 6px; font-size: 14px; line-height: 1.35; }
.ach-card:not(.on) .ach-text strong { color: var(--muted); }
.ach-tier { font-size: 11px; font-weight: 600; padding: 0 6px; border-radius: 999px; border: 1px solid var(--tier); color: var(--tier); }
.ach-card:not(.on) .ach-tier { opacity: .55; }
.ach-desc { font-size: 12.5px; line-height: 1.5; color: var(--faint); }
.ach-card.on .ach-desc { color: var(--muted); }
.ach-progress { display: flex; align-items: center; gap: 8px; margin-top: 4px; }
.ach-track { flex: 1; height: 4px; border-radius: 3px; background: var(--line); overflow: hidden; }
.ach-track i { display: block; height: 100%; background: var(--faint); }
.ach-progress b { font: 600 11px var(--mono); color: var(--faint); }
.ach-foot { padding: 8px 20px 14px; margin: 0; border-top: 1px solid var(--line); }
.ach-banner { position: fixed; z-index: 60; top: 72px; right: 20px; display: flex; align-items: center; gap: 12px; max-width: min(360px, calc(100vw - 32px)); padding: 10px 16px 10px 12px;
  background: #0f1828f2; border: 1px solid var(--tier, var(--line2)); border-radius: 14px; box-shadow: 0 12px 40px #000b; opacity: 0; transform: translateY(-12px); pointer-events: none; transition: .3s; }
.ach-banner.show { opacity: 1; transform: none; }
.ach-banner:empty { display: none; }
.ach-banner .ach-medal { box-shadow: 0 0 0 3px #0f1828, 0 0 0 4px var(--tier); }
.ach-banner-text { display: flex; flex-direction: column; min-width: 0; line-height: 1.4; }
.ach-banner-text small { color: var(--tier, var(--amber)); font-size: 11.5px; letter-spacing: 1px; }
.ach-banner-text strong { font-size: 15px; }
.ach-banner-text span { font-size: 12.5px; color: var(--muted); }
@media (max-width: 860px) {
  .ach-dialog { width: 100vw; max-width: 100vw; height: 100dvh; max-height: 100dvh; margin: 0; border-radius: 0; border: 0; }
  .ach-head { padding: 14px 16px 10px; }
  .ach-body { padding: 0 16px 8px; flex: 1; }
  .ach-grid { grid-template-columns: minmax(0, 1fr); }
  .ach-foot { padding: 8px 16px 14px; }
  .ach-banner { top: auto; bottom: 16px; left: 16px; right: 16px; max-width: none; }
}
@media (prefers-reduced-motion: reduce) { .ach-banner { transition: none; } }
@media print { .ach-banner, .ach-dialog { display: none !important; } }