:root {
  --ink: #171717;
  --muted: #5f6368;
  --line: #dfe3e8;
  --paper: #ffffff;
  --wash: #f5f7f8;
  --mint: #0d9488;
  --mint-dark: #0f766e;
  --amber: #f59e0b;
  --rose: #e11d48;
  --blue: #2563eb;
  --shadow: 0 18px 55px rgba(23, 23, 23, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  color: var(--ink);
  background: var(--wash);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  letter-spacing: 0;
}

body {
  margin: 0;
  min-width: 320px;
}

a {
  color: var(--mint-dark);
  text-decoration-color: rgba(13, 148, 136, 0.35);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--ink);
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(223, 227, 232, 0.88);
  background: rgba(245, 247, 248, 0.94);
  backdrop-filter: blur(14px);
}

.nav {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 760;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 4px 14px rgba(23, 23, 23, 0.05);
}

.brand-mark svg {
  width: 18px;
  height: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.94rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
}

.main {
  padding: 36px 0 58px;
}

.tool-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(310px, 0.72fr);
  gap: 20px;
  align-items: start;
}

.intro {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.eyebrow {
  color: var(--mint-dark);
  font-size: 0.76rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(2.1rem, 4.8vw, 4.3rem);
}

h2 {
  font-size: clamp(1.35rem, 2.4vw, 2rem);
}

h3 {
  font-size: 1.02rem;
}

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.lede {
  max-width: 720px;
  font-size: 1.05rem;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.panel-title {
  display: grid;
  gap: 3px;
}

.panel-title span {
  color: var(--muted);
  font-size: 0.87rem;
}

.tool-panel {
  overflow: clip;
}

.controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 18px;
}

.field {
  display: grid;
  gap: 7px;
  min-width: 0;
}

label,
.field-label {
  color: #303236;
  font-size: 0.84rem;
  font-weight: 700;
}

input,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid #ccd3da;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  letter-spacing: 0;
  outline: none;
  padding: 10px 11px;
}

input:focus,
select:focus {
  border-color: var(--mint);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.14);
}

.quick-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 18px 18px;
}

button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-size: 0.91rem;
  font-weight: 730;
  letter-spacing: 0;
  padding: 9px 12px;
}

button:hover {
  border-color: #bac3ca;
  background: #f9fafb;
}

button:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.25);
  outline-offset: 2px;
}

.primary {
  border-color: var(--mint);
  background: var(--mint);
  color: #fff;
}

.primary:hover {
  border-color: var(--mint-dark);
  background: var(--mint-dark);
}

.ghost {
  color: #3f4448;
}

.icon-button {
  width: 38px;
  height: 38px;
  min-height: 38px;
  padding: 0;
}

button svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.game-table {
  display: grid;
  gap: 10px;
  padding: 0 18px 18px;
}

.game-row {
  display: grid;
  grid-template-columns: minmax(130px, 1fr) minmax(82px, 0.3fr) minmax(92px, 0.34fr) 40px;
  gap: 8px;
  align-items: center;
}

.game-row input,
.game-row select {
  min-height: 42px;
}

.game-row-head {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 760;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 18px 20px;
}

.result-panel {
  position: sticky;
  top: 84px;
  overflow: clip;
}

.result-body {
  display: grid;
  gap: 18px;
  padding: 18px;
}

.hero-visual {
  display: grid;
  gap: 14px;
  border: 1px solid #d8dee4;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(13, 148, 136, 0.1), transparent 44%),
    linear-gradient(315deg, rgba(245, 158, 11, 0.12), transparent 42%),
    #fbfcfc;
  padding: 16px;
}

.console {
  display: grid;
  grid-template-columns: 26px 1fr 26px;
  gap: 8px;
  align-items: stretch;
  min-height: 168px;
}

.console-side,
.console-core {
  border: 1px solid #cfd7df;
  border-radius: 8px;
  background: #fff;
}

.console-side {
  position: relative;
}

.console-side::after {
  position: absolute;
  inset: 18px 8px;
  border-radius: 999px;
  background: #eef1f4;
  content: "";
}

.console-core {
  display: grid;
  align-content: end;
  gap: 9px;
  background: #232629;
  padding: 16px;
}

.storage-bar {
  display: grid;
  height: 16px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8edf1;
}

.storage-fill {
  display: flex;
  width: 100%;
}

.seg-used {
  background: #6b7280;
}

.seg-selected {
  background: var(--mint);
}

.seg-free {
  background: #e8edf1;
}

.console-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.stat-tile {
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  padding: 10px;
}

.stat-tile strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 1rem;
}

.stat-tile span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.72rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.metric {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 720;
}

.metric strong {
  display: block;
  margin-top: 6px;
  overflow-wrap: anywhere;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.05;
}

.notice {
  display: none;
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 8px;
  background: rgba(245, 158, 11, 0.11);
  color: #7a4b00;
  font-size: 0.92rem;
  line-height: 1.55;
  padding: 12px;
}

.notice.is-visible {
  display: block;
}

.notice.danger {
  border-color: rgba(225, 29, 72, 0.3);
  background: rgba(225, 29, 72, 0.08);
  color: #8a1230;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 800;
  padding: 7px 12px;
}

.status-pill.good {
  background: rgba(13, 148, 136, 0.12);
  color: var(--mint-dark);
}

.status-pill.warn {
  background: rgba(245, 158, 11, 0.13);
  color: #7a4b00;
}

.status-pill.bad {
  background: rgba(225, 29, 72, 0.1);
  color: #8a1230;
}

.checklist {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.checklist li {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 8px 10px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 12px;
}

.checklist strong,
.checklist span:last-child {
  grid-column: 2;
}

.checklist span:last-child {
  color: var(--muted);
  line-height: 1.5;
}

.status-dot {
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-radius: 999px;
}

.status-dot.good {
  background: var(--mint);
}

.status-dot.warn {
  background: var(--amber);
}

.status-dot.bad {
  background: var(--rose);
}

.progress-track {
  height: 22px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8edf1;
}

.progress-fill {
  width: 50%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--mint), var(--blue));
  transition: width 180ms ease;
}

.supporting {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.info-block {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.info-block h2,
.info-block h3 {
  margin-bottom: 10px;
}

.info-block p,
.info-block li {
  color: var(--muted);
  line-height: 1.65;
}

.info-block ul,
.info-block ol {
  margin: 0;
  padding-left: 1.15rem;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 26px 0 34px;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@media (max-width: 920px) {
  .tool-grid,
  .supporting {
    grid-template-columns: 1fr;
  }

  .result-panel {
    position: static;
  }
}

@media (max-width: 700px) {
  .shell {
    width: min(100% - 24px, 1180px);
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 12px 0;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
    gap: 10px;
  }

  .main {
    padding-top: 24px;
  }

  .controls,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .game-row {
    grid-template-columns: minmax(0, 1fr) 88px;
  }

  .game-row-head {
    display: none;
  }

  .game-row select,
  .game-row .icon-button {
    grid-column: auto;
  }
}

@media (max-width: 430px) {
  h1 {
    font-size: 2rem;
  }

  .panel-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .console {
    grid-template-columns: 18px 1fr 18px;
    min-height: 150px;
  }

  .console-stats {
    grid-template-columns: 1fr;
  }
}