:root {
  --bg: #090c18;
  --panel: rgba(17, 23, 43, 0.88);
  --panel-strong: #121a31;
  --line: rgba(163, 180, 224, 0.13);
  --text: #f4f6ff;
  --muted: #8791ad;
  --faint: #59627d;
  --violet: #9b82ff;
  --violet-bright: #b9a9ff;
  --cyan: #56d7da;
  --green: #6fe0b3;
  --orange: #ffbb70;
  --red: #ff788e;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.25);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--bg);
  font: 500 14px/1.5 Manrope, "Microsoft YaHei", sans-serif;
}
button, select, input { font: inherit; }
button, select { cursor: pointer; }
a { color: inherit; text-decoration: none; }
.app-shell { width: min(1420px, calc(100% - 48px)); margin: 0 auto; }
.topbar { height: 88px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.page-title strong, .page-title small { display: block; }
.page-title strong { font-size: 18px; letter-spacing: -.03em; }
.page-title small { margin-top: 3px; color: var(--faint); font: 10px/1 DM Mono, monospace; letter-spacing: .12em; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(185,169,255,.7); border-radius: 10px; color: var(--violet-bright); font-weight: 800; font-size: 17px; box-shadow: inset 0 0 20px rgba(155,130,255,.16); }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 14px; letter-spacing: .02em; }
.brand small { margin-top: 1px; color: var(--faint); font: 10px/1 DM Mono, monospace; letter-spacing: .12em; }
.topbar-actions { display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: 12px; }
.status-dot, .live-label { display: flex; align-items: center; gap: 7px; }
.status-dot i, .live-label i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px var(--green); }
.budget-chip { padding: 8px 12px; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.03); }
.budget-chip b { color: var(--violet-bright); font-size: 16px; margin-right: 3px; }
.budget-chip small { color: var(--muted); font-size: 10px; }
main { padding: 38px 0 32px; }
.simple-heading { margin-bottom: 28px; }
.simple-heading h1 { margin: 0 0 7px; font-size: clamp(30px, 4vw, 42px); letter-spacing: -.055em; }
.simple-heading p { margin: 0; color: var(--muted); font-size: 14px; }
.intro-grid { display: grid; grid-template-columns: 1fr 420px; gap: 48px; align-items: end; margin-bottom: 36px; }
.eyebrow { margin: 0 0 10px; color: var(--cyan); font: 10px/1.2 DM Mono, monospace; letter-spacing: .14em; }
h1, h2, p { margin-top: 0; }
h1 { max-width: 760px; margin-bottom: 12px; font-size: clamp(34px, 5vw, 67px); line-height: 1.06; letter-spacing: -.055em; }
h1 em { color: var(--violet-bright); font-style: normal; }
.intro-text { max-width: 650px; margin: 0; color: var(--muted); font-size: 15px; }
.intro-note { display: flex; gap: 13px; padding: 16px 18px; border: 1px solid rgba(86,215,218,.18); border-radius: 14px; background: rgba(86,215,218,.05); color: var(--muted); }
.intro-note strong { display: block; margin-bottom: 3px; color: var(--cyan); font-size: 12px; }
.intro-note p { margin: 0; font-size: 12px; line-height: 1.55; }
.note-icon { color: var(--cyan); font-size: 19px; line-height: 1; }
.panel { border: 1px solid var(--line); border-radius: 16px; background: var(--panel); box-shadow: var(--shadow); }
.control-strip { display: flex; gap: 12px; align-items: end; padding: 14px; margin-bottom: 18px; }
.optimizer-strip { display: grid; gap: 12px; padding: 15px 17px; margin-bottom: 18px; }
.optimizer-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.optimizer-heading strong, .optimizer-heading small { display: block; }
.optimizer-heading strong { color: var(--text); font-size: 13px; }
.optimizer-heading small { margin-top: 3px; color: var(--muted); font-size: 11px; }
.optimizer-status { color: var(--violet-bright); font: 10px DM Mono, monospace; white-space: nowrap; }
.optimizer-controls { display: flex; align-items: end; gap: 10px; }
.optimizer-mode-field { width: 190px; }
.optimizer-legendary-field { width: 150px; }
.optimizer-controls .button { min-width: 150px; }
.optimizer-note { color: var(--faint); font-size: 10px; }
.optimizer-selection { color: var(--cyan); font-size: 10px; line-height: 1.5; overflow-wrap: anywhere; }
.field { display: block; color: var(--muted); font-size: 11px; }
.field > span { display: block; margin: 0 0 6px 3px; }
.wide-field { width: 190px; }
.small-field { width: 130px; }
.field select, .field input { width: 100%; height: 40px; padding: 0 12px; }
.field select, .field input, .stack-input { border: 1px solid var(--line); border-radius: 9px; outline: none; color: var(--text); background: #0d1428; }
.field select:focus, .field input:focus, .stack-input:focus { border-color: var(--violet); box-shadow: 0 0 0 3px rgba(155,130,255,.12); }
.input-suffix { position: relative; }
.input-suffix input { padding-right: 27px; }
.input-suffix b { position: absolute; right: 11px; top: 10px; color: var(--faint); font-size: 12px; }
.button { height: 40px; padding: 0 15px; border-radius: 9px; border: 1px solid transparent; font-weight: 700; white-space: nowrap; }
.button-primary { color: #0b1020; background: var(--violet-bright); }
.button-primary:hover { background: #d4ccff; }
.button-ghost { color: var(--muted); background: transparent; border-color: var(--line); }
.button-ghost:hover { color: var(--text); border-color: rgba(255,255,255,.25); }
.hero-metrics { display: grid; grid-template-columns: 1.35fr 1fr 1fr 1fr; gap: 12px; margin-bottom: 18px; }
.metric-card { position: relative; min-height: 132px; padding: 17px 19px; border: 1px solid var(--line); border-radius: 14px; background: rgba(19, 26, 49, .7); overflow: hidden; }
.metric-main { border-color: rgba(155,130,255,.35); background: linear-gradient(135deg, rgba(82,66,160,.46), rgba(19,26,49,.76)); }
.metric-main::after { position: absolute; content: ""; width: 100px; height: 100px; right: -20px; bottom: -55px; border-radius: 50%; border: 1px solid rgba(185,169,255,.25); box-shadow: 0 0 0 13px rgba(185,169,255,.04), 0 0 0 26px rgba(185,169,255,.03); }
.metric-head { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 12px; }
.metric-card strong { display: block; margin: 11px 0 0; font-size: 32px; letter-spacing: -.04em; line-height: 1; }
.metric-card small { display: block; margin-top: 9px; color: var(--faint); font-size: 11px; }
.metric-icon { color: var(--violet); font-size: 16px; }
.metric-pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px var(--green); }
.workspace-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(360px, .85fr); gap: 18px; align-items: start; }
.build-panel, .result-panel, .shield-calc-panel, .stats-panel, .guide-panel { padding: 22px; }
.section-heading { display: flex; align-items: start; justify-content: space-between; gap: 12px; }
h2 { margin: 0; font-size: 21px; letter-spacing: -.04em; }
.compact-heading { align-items: center; }
.points-readout { color: var(--violet-bright); font: 18px DM Mono, monospace; }
.points-readout small { color: var(--faint); font-size: 10px; }
.progress-track { height: 5px; margin: 17px 0 18px; border-radius: 999px; overflow: hidden; background: #0b1121; }
.progress-track span { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--cyan), var(--violet)); transition: width .25s ease; }
.build-tabs { display: flex; gap: 7px; margin-bottom: 17px; padding-bottom: 12px; border-bottom: 1px solid var(--line); overflow-x: auto; }
.build-tab { padding: 6px 11px; border: 1px solid transparent; border-radius: 7px; color: var(--muted); background: transparent; font-size: 12px; white-space: nowrap; }
.build-tab.active, .build-tab:hover { color: var(--text); border-color: rgba(155,130,255,.33); background: rgba(155,130,255,.1); }
.build-tab.soft-cap-hit { color: var(--red); border-color: rgba(255,120,142,.65); background: rgba(255,120,142,.1); }
.upgrade-list { display: grid; gap: 8px; max-height: 684px; overflow-y: auto; padding-right: 4px; }
.upgrade-list::-webkit-scrollbar { width: 5px; }
.upgrade-list::-webkit-scrollbar-thumb { background: rgba(155,130,255,.3); border-radius: 99px; }
.upgrade-card { display: grid; grid-template-columns: 40px 5px minmax(0,1fr) auto; gap: 10px; align-items: center; min-height: 69px; padding: 10px 11px 10px 8px; border: 1px solid transparent; border-radius: 11px; background: rgba(255,255,255,.025); transition: border-color .2s, background .2s; }
.upgrade-card:hover { border-color: rgba(155,130,255,.22); background: rgba(155,130,255,.06); }
.upgrade-card.is-selected { border-color: rgba(86,215,218,.18); background: rgba(86,215,218,.045); }
.upgrade-card.soft-cap-hit { border-color: rgba(255,120,142,.85); background: linear-gradient(90deg, rgba(255,120,142,.14), rgba(255,255,255,.025)); box-shadow: inset 3px 0 0 var(--red), 0 0 16px rgba(255,120,142,.06); }
.upgrade-icon { display: grid; place-items: center; width: 40px; aspect-ratio: 1; flex: 0 0 40px; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; color: var(--violet-bright); background: #0d1428; font: 700 11px/1 DM Mono, monospace; }
.upgrade-icon img { display: block; width: 100%; height: 100%; object-fit: cover; }
.upgrade-icon img[hidden], .upgrade-icon span[hidden] { display: none; }
.rarity-line { width: 5px; align-self: stretch; border-radius: 99px; background: var(--faint); }
.rarity-common .rarity-line { background: var(--green); }
.rarity-rare .rarity-line { background: var(--cyan); }
.rarity-legendary .rarity-line { background: var(--violet); }
.upgrade-info { min-width: 0; }
.upgrade-title { display: flex; align-items: center; gap: 7px; min-width: 0; }
.upgrade-title strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.rarity-label { flex: 0 0 auto; color: var(--faint); font: 9px DM Mono, monospace; text-transform: uppercase; }
.upgrade-english { display: block; margin-top: 2px; color: var(--violet-bright); font: 10px/1.25 DM Mono, monospace; letter-spacing: .01em; }
.upgrade-desc { display: block; overflow: hidden; margin-top: 4px; color: var(--muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.upgrade-cap-notice { display: block; margin-top: 4px; color: var(--red); font-size: 10px; font-weight: 700; }
.upgrade-controls { display: flex; align-items: center; gap: 5px; }
.step-button { display: grid; place-items: center; width: 27px; height: 27px; border: 1px solid var(--line); border-radius: 7px; color: var(--muted); background: #0e1528; font-size: 16px; line-height: 1; }
.step-button:hover:not(:disabled) { color: var(--text); border-color: var(--violet); }
.step-button:disabled { cursor: not-allowed; opacity: .32; }
.stack-input { width: 42px; height: 27px; padding: 0 4px; font: 13px DM Mono, monospace; text-align: center; }
.stack-input { -moz-appearance: textfield; appearance: textfield; }
.stack-input::-webkit-inner-spin-button, .stack-input::-webkit-outer-spin-button { margin: 0; -webkit-appearance: none; }
.stack-unit { color: var(--muted); font-size: 11px; }
.build-hint { display: block; margin-top: 4px; color: var(--faint); font-size: 11px; }
.right-column, .damage-stack { display: grid; gap: 18px; min-width: 0; align-content: start; }
.shield-top-panel { width: 100%; margin-bottom: 18px; }
.live-label, .ref-tag { color: var(--green); font: 10px DM Mono, monospace; letter-spacing: .08em; }
.shield-calc-note { margin: 12px 0; color: var(--muted); font-size: 11px; line-height: 1.55; }
.shield-toggle { margin: 0 0 12px; }
.shield-metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.shield-metric { padding: 11px 12px; border: 1px solid var(--line); border-radius: 9px; background: rgba(255,255,255,.025); }
.shield-metric span, .shield-metric small { display: block; color: var(--muted); font-size: 10px; }
.shield-metric b { display: block; margin: 4px 0; color: var(--violet-bright); font: 18px DM Mono, monospace; }
.shield-metric small { color: var(--faint); line-height: 1.35; }
.shield-metric-result { border-color: rgba(86,215,218,.2); }
.shield-metric-result b { color: var(--cyan); }
.skill-summary { display: flex; align-items: center; gap: 12px; margin: 20px 0 15px; padding: 13px; border: 1px solid var(--line); border-radius: 11px; background: rgba(255,255,255,.025); }
.skill-summary.soft-cap-hit { border-color: rgba(255,120,142,.8); background: linear-gradient(135deg, rgba(255,120,142,.13), rgba(255,255,255,.025)); box-shadow: 0 0 0 1px rgba(255,120,142,.18), 0 0 22px rgba(255,120,142,.08); }
.skill-orb { display: grid; place-items: center; width: 36px; aspect-ratio: 1; flex: 0 0 36px; border-radius: 50%; color: #0b1020; background: linear-gradient(135deg, var(--cyan), var(--violet-bright)); font-weight: 800; }
.skill-orb { overflow: hidden; }
.skill-orb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.skill-orb img[hidden], .skill-orb span[hidden] { display: none; }
.skill-summary.soft-cap-hit .skill-orb { background: linear-gradient(135deg, var(--red), #ffb0bb); }
.skill-summary strong, .skill-summary small, .skill-summary span { display: block; }
.skill-summary > div:last-child { min-width: 0; }
.skill-summary strong { font-size: 13px; }
.skill-summary small { margin-top: 2px; color: var(--violet-bright); font: 10px/1.25 DM Mono, monospace; letter-spacing: .02em; }
.skill-summary span { margin-top: 2px; color: var(--muted); font-size: 11px; }
.skill-summary .skill-cap-notice { color: var(--red); font-size: 10px; font-weight: 700; }
.formula-box { padding: 11px 13px; border-radius: 9px; background: #0b1121; }
.formula-box span { display: block; margin-bottom: 5px; color: var(--faint); font-size: 10px; }
.formula-box code { color: var(--violet-bright); font: 11px/1.6 DM Mono, monospace; }
.toggle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin: 14px 0; }
.toggle-row { position: relative; display: block; padding: 10px 9px; border: 1px solid var(--line); border-radius: 9px; background: rgba(255,255,255,.02); cursor: pointer; }
.toggle-row span, .toggle-row b, .toggle-row small { display: block; }
.toggle-row b { font-size: 11px; }
.toggle-row small { margin-top: 4px; color: var(--faint); font-size: 9px; line-height: 1.25; }
.toggle-row input { position: absolute; opacity: 0; }
.toggle-row i { position: absolute; right: 8px; top: 9px; width: 20px; height: 11px; border-radius: 99px; background: #27304b; }
.toggle-row i::after { position: absolute; content: ""; width: 8px; height: 8px; top: 1.5px; left: 2px; border-radius: 50%; background: var(--muted); transition: transform .2s, background .2s; }
.toggle-row input:checked + i { background: rgba(86,215,218,.35); }
.toggle-row input:checked + i::after { transform: translateX(8px); background: var(--cyan); }
.breakdown { display: grid; gap: 8px; padding-top: 6px; }
.break-row { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 11px; }
.break-row b { color: var(--text); font: 12px DM Mono, monospace; }
.break-row .positive { color: var(--green); }
.stats-panel { padding-bottom: 18px; }
.icon-button { width: 30px; height: 30px; border: 1px solid var(--line); border-radius: 8px; color: var(--muted); background: transparent; }
.icon-button:hover { color: var(--text); border-color: var(--violet); }
.stat-groups { display: grid; gap: 15px; margin-top: 19px; }
.stat-group { padding: 13px; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,.02); }
.stat-group-title { display: flex; align-items: center; gap: 7px; margin-bottom: 8px; color: var(--text); font-size: 11px; font-weight: 700; }
.stat-dot { width: 7px; height: 7px; border-radius: 50%; }
.offense-dot { background: var(--violet); box-shadow: 0 0 8px var(--violet); }
.defense-dot { background: var(--orange); box-shadow: 0 0 8px var(--orange); }
.mobility-dot { background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.stat-row { display: flex; justify-content: space-between; gap: 16px; padding-top: 7px; color: var(--muted); font-size: 11px; }
.stat-row + .stat-row { border-top: 1px solid rgba(163,180,224,.07); margin-top: 7px; }
.stat-row b { color: var(--text); font: 11px DM Mono, monospace; text-align: right; }
.rune-toolbar { display: flex; align-items: end; gap: 10px; margin-top: 18px; }
.rune-toolbar .field { flex: 1 1 0; }
.rune-final-stage { align-self: center; color: var(--muted); font-size: 11px; white-space: nowrap; }
.rune-summary { padding: 10px 0; color: var(--violet-bright); font: 11px DM Mono, monospace; white-space: nowrap; }
.rune-slots { display: grid; gap: 8px; margin-top: 13px; }
.rune-slot { display: grid; grid-template-columns: 65px minmax(0, 1fr); gap: 8px 10px; align-items: center; padding: 10px; border: 1px solid var(--line); border-radius: 9px; background: rgba(255,255,255,.02); }
.rune-slot > span { color: var(--muted); font-size: 11px; }
.rune-slot select { width: 100%; height: 34px; padding: 0 9px; border: 1px solid var(--line); border-radius: 7px; color: var(--text); background: #0d1428; }
.rune-slot small { grid-column: 2; margin-top: -3px; color: var(--faint); font-size: 10px; line-height: 1.35; }
.rune-slot-locked { border-style: dashed; border-color: rgba(255,255,255,.12); background: rgba(255,255,255,.012); }
.rune-slot-locked b { color: var(--faint); font: 11px DM Mono, monospace; }
.rune-note { margin: 12px 0 0; color: var(--faint); font-size: 10px; line-height: 1.5; }
.rune-token-output { margin-top: 12px; padding: 11px 12px; border-left: 2px solid var(--cyan); background: rgba(86,215,218,.045); }
.rune-token-output > div { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 11px; }
.rune-token-output b { color: var(--cyan); font: 15px DM Mono, monospace; }
.rune-token-output small { display: block; margin-top: 5px; color: var(--faint); font-size: 10px; line-height: 1.45; }
.cap-rule { margin: 13px 0; color: var(--muted); font-size: 11px; line-height: 1.55; }
.cap-form { display: flex; gap: 9px; }
.cap-form .field { flex: 1 1 0; }
.cap-output { margin-top: 12px; padding: 11px 12px; border-radius: 8px; background: #0b1121; }
.cap-output strong, .cap-output small { display: block; }
.cap-output strong { color: var(--violet-bright); font-size: 12px; }
.cap-output small { margin-top: 4px; color: var(--faint); font-size: 10px; line-height: 1.45; }
.cap-list { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; margin-top: 13px; }
.cap-list div { display: flex; justify-content: space-between; gap: 8px; padding-top: 6px; border-top: 1px solid rgba(163,180,224,.07); color: var(--muted); font-size: 10px; }
.cap-list b { color: var(--text); font: 10px DM Mono, monospace; white-space: nowrap; }
.guide-panel { margin-top: 18px; }
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; margin-top: 18px; }
.guide-grid > div { padding: 13px; border-left: 2px solid rgba(155,130,255,.45); background: rgba(255,255,255,.02); }
.guide-grid span { color: var(--violet-bright); font-size: 11px; font-weight: 700; }
.guide-grid p { margin: 7px 0 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.footer { display: flex; justify-content: space-between; padding: 23px 0 35px; color: var(--faint); font: 10px DM Mono, monospace; }
.footer a:hover { color: var(--violet-bright); }
.toast { position: fixed; left: 50%; bottom: 26px; z-index: 10; padding: 10px 15px; border: 1px solid rgba(86,215,218,.3); border-radius: 9px; color: var(--text); background: #111a31; box-shadow: var(--shadow); opacity: 0; transform: translate(-50%, 15px); pointer-events: none; transition: opacity .2s, transform .2s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
@media (max-width: 1050px) {
  .intro-grid { grid-template-columns: 1fr; gap: 22px; }
  .intro-note { max-width: 600px; }
  .control-strip { flex-wrap: wrap; }
  .wide-field { flex: 1 1 200px; }
  .small-field { flex: 1 1 130px; }
  .workspace-grid { grid-template-columns: 1fr; }
  .upgrade-list { max-height: none; }
}
@media (max-width: 650px) {
  .app-shell { width: min(100% - 26px, 1420px); }
  .topbar { height: 70px; }
  .topbar-actions { gap: 9px; }
  .status-dot { display: none; }
  main { padding-top: 32px; }
  h1 { font-size: 38px; }
  .hero-metrics { grid-template-columns: repeat(2, 1fr); }
  .metric-card { min-height: 116px; padding: 14px; }
  .metric-card strong { font-size: 25px; }
  .control-strip { padding: 11px; }
  .button { flex: 1 1 auto; }
  .optimizer-strip { padding: 13px; }
  .optimizer-heading { align-items: start; flex-direction: column; gap: 5px; }
  .optimizer-controls { align-items: stretch; flex-wrap: wrap; }
  .optimizer-mode-field, .optimizer-legendary-field { flex: 1 1 130px; width: auto; }
  .optimizer-controls .button { flex: 1 1 100%; }
  .build-panel, .result-panel, .shield-calc-panel, .stats-panel, .guide-panel { padding: 17px; }
  .toggle-grid, .guide-grid { grid-template-columns: 1fr; }
  .shield-metrics { grid-template-columns: 1fr; }
  .rune-toolbar, .cap-form { flex-direction: column; align-items: stretch; }
  .rune-final-stage { align-self: start; }
  .rune-summary { padding: 0; }
  .cap-list { grid-template-columns: 1fr; }
  .upgrade-card { grid-template-columns: 34px 4px minmax(0,1fr); gap: 8px; align-items: start; }
  .upgrade-icon { width: 34px; flex-basis: 34px; }
  .upgrade-controls { grid-column: 3; justify-content: flex-end; margin-top: 7px; }
  .upgrade-title { flex-wrap: wrap; }
  .upgrade-title strong { max-width: 100%; }
  .upgrade-desc { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
  .footer { gap: 14px; flex-direction: column; }
}
@media (max-width: 420px) {
  .upgrade-card { grid-template-columns: 30px 4px minmax(0,1fr); gap: 7px; padding: 9px 8px; }
  .upgrade-icon { width: 30px; flex-basis: 30px; border-radius: 6px; font-size: 10px; }
  .upgrade-english { font-size: 9px; }
  .stack-input { width: 38px; }
  .upgrade-controls { gap: 3px; }
}