:root {
    --bg: #060b0a;
    --surface: #0c1412;
    --surface-2: #111c19;
    --line: #21312c;
    --text: #eef7f3;
    --muted: #82938d;
    --accent: #b7f52c;
    --accent-2: #77c71f;
    --danger: #ff6b5f;
    --warning: #f5c542;
    --sidebar: 248px;
    font-family: Inter, "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); }
body { background-image: radial-gradient(circle at 70% 0%, rgba(91, 151, 43, .12), transparent 32%), linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px); background-size: auto, 36px 36px, 36px 36px; }
button, input, select { font: inherit; }
button { cursor: pointer; }
.app-shell { min-height: 100vh; }
.sidebar { position: fixed; inset: 0 auto 0 0; width: var(--sidebar); padding: 28px 18px; background: rgba(7, 13, 12, .96); border-right: 1px solid var(--line); display: flex; flex-direction: column; z-index: 20; }
.brand { display: flex; align-items: center; gap: 12px; padding: 0 8px 30px; color: var(--text); text-decoration: none; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; background: var(--accent); color: #101a0c; font-weight: 900; clip-path: polygon(0 0, 100% 0, 100% 74%, 74% 100%, 0 100%); }
.brand strong, .brand small { display: block; }
.brand strong { letter-spacing: .12em; }
.brand small { color: var(--muted); margin-top: 4px; font-size: 11px; }
.nav { display: grid; gap: 7px; }
.nav-item { border: 0; border-left: 2px solid transparent; color: var(--muted); background: transparent; padding: 13px 14px; text-align: left; display: flex; gap: 12px; align-items: center; }
.nav-item:hover, .nav-item.is-active { color: var(--text); background: rgba(183, 245, 44, .07); border-left-color: var(--accent); }
.nav-item span { width: 18px; color: var(--accent); text-align: center; }
.system-card { margin-top: auto; border: 1px solid var(--line); background: var(--surface); padding: 13px; display: flex; align-items: center; gap: 10px; }
.system-card strong, .system-card small { display: block; font-size: 11px; }
.system-card small { color: var(--muted); margin-top: 4px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.main { margin-left: var(--sidebar); padding: 32px clamp(24px, 4vw, 60px) 60px; min-height: 100vh; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(26px, 3vw, 38px); margin-bottom: 0; letter-spacing: -.03em; }
h2 { font-size: clamp(28px, 4vw, 48px); line-height: 1.06; letter-spacing: -.04em; margin-bottom: 18px; }
h3 { margin-bottom: 10px; }
p { color: #a2b1ac; line-height: 1.7; }
.eyebrow { color: var(--muted); letter-spacing: .16em; font-size: 10px; font-weight: 800; margin-bottom: 8px; }
.accent { color: var(--accent); }
.top-actions { display: flex; align-items: center; gap: 16px; }
.account-chip { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border: 1px solid var(--line); background: var(--surface); }
.account-chip[hidden] { display: none !important; }
.account-chip span { color: var(--accent); font-weight: 800; }
.browser-state { color: var(--muted); font-size: 12px; }
.button { border: 1px solid var(--line); background: var(--surface-2); color: var(--text); padding: 11px 18px; font-weight: 750; transition: .18s ease; }
.button:hover { transform: translateY(-1px); border-color: #42594f; }
.button-primary { color: #101707; border-color: var(--accent); background: var(--accent); box-shadow: 0 8px 28px rgba(183,245,44,.12); }
.button-primary:hover { background: #c8ff4d; }
.button-ghost { background: transparent; }
.button-large { padding: 14px 24px; }
.modal-backdrop { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; background: rgba(1, 5, 4, .82); backdrop-filter: blur(8px); }
.modal-backdrop[hidden] { display: none !important; pointer-events: none !important; }
.auth-dialog { width: min(460px, 100%); border: 1px solid var(--line); background: #0b1512; padding: 34px; position: relative; box-shadow: 0 30px 100px rgba(0,0,0,.55); }
.auth-dialog h2 { font-size: 32px; }
.modal-close { position: absolute; right: 14px; top: 12px; border: 0; background: transparent; color: var(--muted); font-size: 28px; }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; margin: 22px 0; border: 1px solid var(--line); }
.auth-tabs button { border: 0; padding: 11px; color: var(--muted); background: transparent; }
.auth-tabs button.is-active { color: #101707; background: var(--accent); }
#auth-form { display: grid; gap: 16px; }
#auth-form .button { margin-top: 8px; }
.auth-note { display: block; color: var(--muted); margin-top: 18px; line-height: 1.6; }
.view { display: none !important; pointer-events: none; animation: view-in .25s ease; }
.view.is-active { display: block !important; pointer-events: auto; }
@keyframes view-in { from { opacity: 0; transform: translateY(5px); } }
.hero-panel { min-height: 340px; border: 1px solid var(--line); background: linear-gradient(115deg, rgba(14,24,20,.98), rgba(11,20,17,.7)); padding: clamp(30px, 5vw, 64px); display: grid; grid-template-columns: 1.3fr .7fr; align-items: center; overflow: hidden; position: relative; }
.hero-panel::before { content: ""; position: absolute; width: 250px; height: 250px; border: 1px solid rgba(183,245,44,.1); border-radius: 50%; right: 9%; }
.hero-panel p:not(.eyebrow) { max-width: 640px; }
.hero-actions, .form-actions { display: flex; align-items: center; gap: 12px; margin-top: 26px; }
.reticle-visual { position: relative; width: 230px; height: 230px; margin: auto; opacity: .8; }
.ring { position: absolute; border: 1px solid rgba(183,245,44,.34); border-radius: 50%; inset: 0; }
.ring-two { inset: 43px; border-style: dashed; animation: rotate 18s linear infinite; }
.cross { position: absolute; background: rgba(183,245,44,.48); top: 50%; left: 50%; }
.cross-x { width: 100%; height: 1px; transform: translate(-50%, -50%); }
.cross-y { height: 100%; width: 1px; transform: translate(-50%, -50%); }
.reticle-core { position: absolute; width: 10px; height: 10px; border: 2px solid var(--accent); left: calc(50% - 5px); top: calc(50% - 5px); transform: rotate(45deg); box-shadow: 0 0 20px var(--accent); }
@keyframes rotate { to { transform: rotate(360deg); } }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 14px 0; }
.dashboard-data-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(340px, .85fr); gap: 14px; margin: 14px 0; }
.inline-filters, .leaderboard-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.inline-filters select, .leaderboard-filters select { width: auto; min-width: 110px; margin: 0; padding: 9px 11px; }
.skill-chart-wrap { min-height: 420px; }
.skill-axis-values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.skill-axis-values > div { padding: 10px; border: 1px solid var(--line); background: #09110f; }
.skill-axis-values span, .skill-axis-values small { display: block; color: var(--muted); font-size: 10px; }
.skill-axis-values strong { display: block; margin: 5px 0; color: var(--accent); font-size: 20px; }
.leaderboard-filters { margin-bottom: 14px; }
.leaderboard-row { display: grid; grid-template-columns: 28px minmax(100px, 1fr) 60px minmax(110px, auto); gap: 9px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.leaderboard-row b { color: var(--accent); text-align: center; }
.leaderboard-row strong { text-align: right; }
.leaderboard-row small { color: var(--muted); text-align: right; }
.my-rank { margin-top: 14px; padding: 12px; border-left: 3px solid var(--accent); background: #09110f; color: #cbd8d3; }
.leaderboard-privacy { display: flex; align-items: center; gap: 9px; margin-top: 14px; color: var(--muted); }
.leaderboard-privacy input { width: auto; margin: 0; }
.live-recommendation-panel { margin-top: 14px; }
.live-recommendation-panel.compact { margin: 0 0 14px; }
.live-recommendation-head { display: flex; justify-content: space-between; gap: 22px; align-items: start; }
.live-recommendation-value { color: var(--accent); font-size: clamp(40px, 6vw, 72px); line-height: 1; margin: 6px 0; display: block; }
.live-recommendation-status { color: var(--warning); font-size: 11px; letter-spacing: .08em; }
.live-recommendation-meta { display: grid; grid-template-columns: repeat(4, minmax(100px, 1fr)); gap: 10px; margin-top: 18px; }
.live-recommendation-meta div { padding: 13px; border: 1px solid var(--line); background: #09110f; }
.live-recommendation-meta span, .live-recommendation-meta small { display: block; color: var(--muted); font-size: 11px; }
.live-recommendation-meta strong { display: block; margin: 6px 0 3px; }
.live-recommendation-reasons { margin: 16px 0 0; padding-left: 18px; color: #b8c5c1; line-height: 1.6; font-size: 12px; }
.live-suggestions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.live-suggestions button { border: 1px solid var(--line); background: #09110f; color: var(--text); padding: 8px 12px; }
.live-suggestions button:hover { border-color: var(--accent); color: var(--accent); }
.metric-card, .panel { border: 1px solid var(--line); background: rgba(12, 20, 18, .94); }
.metric-card { padding: 20px; min-height: 120px; }
.metric-card span, .metric-card small { color: var(--muted); font-size: 11px; display: block; }
.metric-card strong { font-size: 25px; margin: 14px 0 6px; display: block; }
.content-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.span-2 { grid-column: span 2; }
.panel { padding: clamp(22px, 3vw, 34px); }
.panel-head { display: flex; justify-content: space-between; align-items: start; gap: 20px; margin-bottom: 20px; }
.panel-head h2, .panel-head h3, .panel-head p { margin-bottom: 5px; }
.mode-list { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); }
.mode-list > div { padding: 20px 14px; border-right: 1px solid var(--line); }
.mode-list > div:last-child { border-right: 0; }
.mode-list b { color: var(--accent); font: 800 11px monospace; display: block; margin-bottom: 20px; }
.mode-list strong, .mode-list small { display: block; }
.mode-list strong { font-size: 13px; }
.mode-list small { color: var(--muted); line-height: 1.5; margin-top: 7px; font-size: 11px; }
.check-list, .reason-list { list-style: none; padding: 0; margin: 0; }
.check-list li { padding: 12px 0 12px 26px; color: #b7c4c0; border-bottom: 1px solid var(--line); position: relative; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); }
.notice { margin: -10px 0 20px; padding: 13px 16px; border-left: 3px solid var(--accent); background: var(--surface-2); color: #c9d5d1; }
.notice.is-error { border-color: var(--danger); }
.stepper { display: flex; gap: 0; margin-bottom: 14px; border: 1px solid var(--line); }
.stepper span { flex: 1; padding: 13px; color: var(--muted); font-size: 11px; text-align: center; border-right: 1px solid var(--line); }
.stepper span:last-child { border-right: 0; }
.stepper .is-active { color: var(--accent); background: rgba(183,245,44,.07); }
.setup-form { max-width: 1000px; margin: 0 auto; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
label { color: #bdcac5; font-size: 12px; font-weight: 700; }
input, select { width: 100%; margin-top: 8px; padding: 13px; background: #08100e; color: var(--text); border: 1px solid var(--line); outline: none; }
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(183,245,44,.08); }
.callout { border: 1px solid var(--line); border-left: 3px solid var(--accent); padding: 16px; margin-top: 22px; }
.callout span { color: var(--accent); }
.callout small { display: block; color: var(--muted); margin-top: 7px; }
.consent { display: flex; gap: 10px; align-items: start; margin-top: 22px; color: var(--muted); line-height: 1.5; }
.consent input { width: auto; margin: 3px 0 0; accent-color: var(--accent); }
.form-actions { justify-content: flex-end; }
.trainer-view { position: fixed; inset: 0; z-index: 50; background: #030605; }
.trainer-toolbar, .trainer-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 24px; background: #09110f; border-bottom: 1px solid var(--line); }
.trainer-toolbar > div:first-child span, .trainer-toolbar > div:first-child strong { display: block; }
.trainer-toolbar > div:first-child span { color: var(--accent); font-size: 10px; }
.progress-wrap { width: min(340px, 30vw); display: flex; align-items: center; gap: 12px; font-size: 11px; color: var(--muted); }
.progress { flex: 1; height: 4px; background: #24322e; }
.progress i { display: block; width: 0; height: 100%; background: var(--accent); transition: width .3s; }
.live-stats { display: flex; gap: 22px; color: var(--muted); font-size: 11px; }
.live-stats b { display: block; color: var(--text); font-size: 16px; margin-top: 2px; }
.arena-wrap { height: calc(100vh - 117px); position: relative; overflow: hidden; }
#trainer-canvas { display: block; width: 100%; height: 100%; cursor: crosshair; }
.arena-overlay { position: absolute; inset: 0; display: grid; place-items: center; background: rgba(2, 7, 6, .74); backdrop-filter: blur(3px); }
.arena-overlay[hidden] { display: none; }
.overlay-card {
    width: min(470px, 90vw);
    min-height: min(48vh, 380px);
    text-align: center;
    padding: 36px 42px 28px;
    border: 1px solid var(--line);
    background: rgba(10,18,16,.98);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}
.overlay-card h2 { font-size: 36px; }
.overlay-card > p:not(.eyebrow) { margin-bottom: 8px; }
/* 主按钮靠卡片底部，避免 pointer unlock 后光标正好落在按钮上误触 */
.overlay-card > .button-large { margin-top: auto; }
.overlay-card small { color: var(--muted); display: block; margin-top: 14px; }
.button.cta-arming,
.button[aria-disabled="true"] {
    pointer-events: none !important;
    opacity: .55;
    cursor: wait;
}
.arena-message { position: absolute; left: 50%; top: 18%; transform: translateX(-50%); color: var(--accent); font-size: 24px; font-weight: 900; text-shadow: 0 0 20px #000; }
.trainer-footer { height: 48px; border: 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.trainer-footer b { color: var(--text); }
.text-button { border: 0; color: var(--muted); background: none; }
.report-hero { display: flex; justify-content: space-between; align-items: center; }
.recommend-value { display: flex; align-items: end; gap: 14px; margin-bottom: 12px; }
.recommend-value strong { color: var(--accent); font-size: clamp(58px, 9vw, 100px); line-height: .9; }
.recommend-value span { color: var(--muted); padding-bottom: 10px; }
.confidence-gauge { min-width: 250px; text-align: center; }
.confidence-gauge canvas { display: block; margin: auto; }
.confidence-gauge strong, .confidence-gauge span { display: block; }
.confidence-gauge strong { font-size: 28px; color: var(--accent); }
.confidence-gauge span { color: var(--muted); font-size: 11px; }
.chart { display: block; width: 100%; max-height: 280px; }
.reason-list li { padding: 12px 0; border-bottom: 1px solid var(--line); color: #b8c5c1; line-height: 1.55; }
.reason-list li::before { content: "›"; color: var(--accent); margin-right: 9px; }
.history-list { display: grid; gap: 10px; }
.history-row { display: grid; grid-template-columns: 1.3fr .8fr .8fr .8fr auto; align-items: center; gap: 15px; padding: 16px; background: #09110f; border: 1px solid var(--line); }
.history-row strong, .history-row small { display: block; }
.history-row small { color: var(--muted); margin-top: 4px; }
.history-row .positive { color: var(--accent); }
.empty-state { text-align: center; padding: 50px; color: var(--muted); }
.guide-grid p { margin-bottom: 0; }
.practice-controls { display: flex; gap: 18px; margin-bottom: 14px; padding: 18px 22px; }
.practice-controls label { flex: 0 1 240px; }
.practice-sensitivity-preview { flex: 1; align-self: end; min-width: 210px; padding: 12px 15px; border-left: 2px solid var(--accent); background: rgba(183,245,44,.05); }
.practice-sensitivity-preview strong, .practice-sensitivity-preview small { display: block; }
.practice-sensitivity-preview strong { color: var(--accent); }
.practice-sensitivity-preview small { color: var(--muted); margin-top: 5px; line-height: 1.45; }
.practice-mode-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 14px; }
.practice-category-tabs { display: flex; gap: 8px; margin: 0 0 14px; }
.practice-category-tabs button { border: 1px solid var(--line); background: #09110f; color: var(--muted); padding: 9px 16px; }
.practice-category-tabs button.is-active { color: var(--accent); border-color: var(--accent); }
.practice-card { min-height: 160px; border: 1px solid var(--line); background: rgba(12,20,18,.94); color: var(--text); padding: 24px; text-align: left; transition: .18s ease; }
.practice-card:hover { transform: translateY(-2px); border-color: var(--accent); background: rgba(183,245,44,.06); }
.practice-card b, .practice-card strong, .practice-card small { display: block; }
.practice-card b { color: var(--accent); font: 800 11px monospace; margin-bottom: 24px; }
.practice-card strong { font-size: 18px; margin-bottom: 8px; }
.practice-card small { color: var(--muted); line-height: 1.5; }
.practice-history { display: grid; gap: 8px; }
.practice-analysis-panel { margin-bottom: 14px; }
.practice-analysis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.practice-analysis-item { padding: 16px; border: 1px solid var(--line); background: #09110f; }
.practice-analysis-item span, .practice-analysis-item small { display: block; color: var(--muted); font-size: 11px; }
.practice-analysis-item strong { display: block; margin: 8px 0 5px; font-size: 18px; }
.assessment-entry { display: flex; justify-content: space-between; align-items: center; gap: 28px; margin-bottom: 14px; }
.assessment-entry p { max-width: 720px; color: var(--muted); line-height: 1.55; }
.assessment-dimensions { display: grid; gap: 12px; }
.assessment-dimensions > div { display: grid; grid-template-columns: 130px 1fr 45px; gap: 14px; align-items: center; }
.assessment-dimensions span { color: var(--muted); }
.assessment-dimensions i { display: block; height: 9px; background: #14221e; overflow: hidden; }
.assessment-dimensions i b { display: block; height: 100%; background: var(--accent); }
.assessment-dimensions strong { text-align: right; }
.practice-history-row { display: grid; grid-template-columns: 1.2fr repeat(4, .8fr); gap: 14px; align-items: center; padding: 13px 15px; border: 1px solid var(--line); background: #09110f; }
.practice-history-row span, .practice-history-row small { color: var(--muted); font-size: 11px; }
.practice-history-row strong { display: block; margin-top: 3px; }
#practice-canvas { display: block; width: 100%; height: 100%; cursor: crosshair; }
.range3d-config { display: grid; grid-template-columns: repeat(5, minmax(120px, 1fr)) auto; gap: 14px; align-items: end; margin-bottom: 14px; }
.range3d-mode-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 14px; }
.range3d-mode-grid article { min-height: 145px; padding: 22px; border: 1px solid var(--line); background: #09110f; }
.range3d-mode-grid b { color: var(--accent); font-size: 12px; }
.range3d-mode-grid h3 { margin: 13px 0 7px; }
.range3d-mode-grid p { color: var(--muted); line-height: 1.55; }
.range3d-wrap { background: #030806; }
#range3d-canvas { display: block; width: 100%; height: 100%; }
.range3d-crosshair {
    --crosshair-color: #dffff2;
    position: absolute;
    z-index: 2;
    left: 50%;
    top: 50%;
    width: 20px;
    height: 20px;
    transform: translate(-50%, -50%);
    pointer-events: none;
    filter: drop-shadow(0 0 2px #000) drop-shadow(0 0 2px #000);
    background:
        radial-gradient(circle, var(--accent) 0 1.3px, transparent 1.5px),
        linear-gradient(var(--crosshair-color), var(--crosshair-color)) center top / 1px 6px no-repeat,
        linear-gradient(var(--crosshair-color), var(--crosshair-color)) center bottom / 1px 6px no-repeat,
        linear-gradient(var(--crosshair-color), var(--crosshair-color)) left center / 6px 1px no-repeat,
        linear-gradient(var(--crosshair-color), var(--crosshair-color)) right center / 6px 1px no-repeat;
}
.range3d-crosshair::before, .range3d-crosshair::after { content: none; }
.range3d-wrap.hit-confirm .range3d-crosshair, .range3d-wrap.kill-confirm .range3d-crosshair { --crosshair-color: #ff5c4d; filter: drop-shadow(0 0 5px #ff3024); }
.range3d-wrap.kill-confirm .range3d-crosshair { transform: translate(-50%, -50%) rotate(45deg) scale(1.3); }
.range3d-hit-feedback { position: absolute; z-index: 3; left: 50%; top: calc(50% + 34px); transform: translateX(-50%); min-height: 22px; color: #ff8b7f; font-size: 14px; font-weight: 900; text-shadow: 0 2px 8px #000; pointer-events: none; }
.range3d-health { position: absolute; z-index: 3; left: 50%; bottom: 22px; transform: translateX(-50%); display: grid; grid-template-columns: auto 180px auto; gap: 10px; align-items: center; padding: 8px 12px; background: rgba(3,8,6,.82); border: 1px solid var(--line); color: var(--muted); font-size: 11px; pointer-events: none; }
.range3d-health > div { height: 7px; background: #321916; overflow: hidden; }
.range3d-health i { display: block; width: 100%; height: 100%; background: linear-gradient(90deg, #ff5c4d, var(--accent)); transition: width .16s; }
.range3d-health b { min-width: 38px; color: var(--text); }

@media (max-width: 1050px) {
    :root { --sidebar: 78px; }
    .brand > span:last-child, .nav-item:not(.is-active) { font-size: 0; }
    .nav-item { justify-content: center; font-size: 0; }
    .nav-item span { font-size: 18px; }
    .system-card div { display: none; }
    .system-card { justify-content: center; }
    .mode-list { grid-template-columns: repeat(3, 1fr); }
    .metric-grid { grid-template-columns: repeat(2, 1fr); }
    .practice-mode-grid { grid-template-columns: repeat(2, 1fr); }
    .practice-controls { flex-wrap: wrap; }
    .range3d-config { grid-template-columns: repeat(3, 1fr); }
    .live-recommendation-meta { grid-template-columns: repeat(2, 1fr); }
    .dashboard-data-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
    :root { --sidebar: 0px; }
    .sidebar { display: none; }
    .main { margin: 0; padding: 20px 14px 45px; }
    .topbar { align-items: start; }
    .browser-state { display: none; }
    .hero-panel { grid-template-columns: 1fr; }
    .reticle-visual { display: none; }
    .metric-grid, .content-grid, .form-grid { grid-template-columns: 1fr; }
    .span-2 { grid-column: auto; }
    .mode-list { grid-template-columns: 1fr 1fr; }
    .stepper span { padding: 9px 3px; font-size: 9px; }
    .report-hero { display: block; }
    .confidence-gauge { margin-top: 30px; }
    .history-row { grid-template-columns: 1fr 1fr; }
    .practice-mode-grid { grid-template-columns: 1fr; }
    .practice-category-tabs { overflow-x: auto; }
    .practice-controls { display: grid; }
    .practice-analysis { grid-template-columns: 1fr; }
    .assessment-entry { display: grid; }
    .assessment-dimensions > div { grid-template-columns: 95px 1fr 36px; }
    .practice-history-row { grid-template-columns: 1fr 1fr; }
    .range3d-config, .range3d-mode-grid { grid-template-columns: 1fr; }
    .live-recommendation-head { display: block; }
    .live-recommendation-meta { grid-template-columns: 1fr 1fr; }
    .trainer-toolbar { padding: 10px; }
    .progress-wrap { display: none; }
    .live-stats { gap: 10px; }
    .skill-axis-values { grid-template-columns: repeat(2, 1fr); }
    .leaderboard-row { grid-template-columns: 24px 1fr 52px; }
    .leaderboard-row small { display: none; }
    .top-actions { gap: 8px; }
    .top-actions > .button-primary { display: none; }
}