:root {
  --bg: #12100d;
  --bg-panel: rgba(20, 18, 15, 0.88);
  --ink: #f4eddf;
  --muted: #c4b6a0;
  --muted-deep: #9c8b73;
  --line: rgba(228, 196, 144, 0.18);
  --line-strong: rgba(228, 196, 144, 0.38);
  --accent: #e4b46c;
  --accent-strong: #ffcf74;
  --ember: #d96c4b;
  --frost: #71a6d8;
  --heal: #79c48b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --header-height: 76px;
  --panel-radius: 20px;
  --font-display: "Georgia", "Palatino Linotype", serif;
  --font-body: "Trebuchet MS", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top, rgba(228, 180, 108, 0.13), transparent 22rem),
    linear-gradient(180deg, rgba(33, 29, 24, 0.98), rgba(15, 13, 10, 1));
  font-family: var(--font-body);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.25;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
  min-height: var(--header-height);
  padding: 1rem 2rem;
  background: rgba(16, 13, 10, 0.84);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}

.brandmark {
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: 0.04em;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 1.35rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a:hover,
.secondary-link:hover,
#sample-link:hover {
  color: var(--accent-strong);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mode-pill,
.status-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.35rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 0.9rem;
}

.ghost-button,
.secondary-button,
.primary-button,
.action-button {
  border: 1px solid transparent;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.ghost-button {
  min-height: 2.35rem;
  padding: 0.45rem 0.85rem;
  border-color: var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
}

.primary-button,
.secondary-button,
.action-button {
  min-height: 2.8rem;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
}

.primary-button {
  background: linear-gradient(135deg, var(--accent), #c88633);
  color: #140f0a;
  font-weight: 700;
}

.secondary-button,
.action-button {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
}

.ghost-button:hover,
.secondary-button:hover,
.primary-button:hover,
.action-button:hover {
  transform: translateY(-1px);
}

.secondary-link {
  color: var(--muted);
  font-size: 0.98rem;
}

main {
  padding: 0 2rem 3rem;
}

.hero,
.command-layout,
.spec-section,
.sample-section,
.site-footer {
  width: min(1500px, calc(100vw - 4rem));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 2rem;
  min-height: calc(100svh - var(--header-height) - 2rem);
  padding: 2rem 0 2.5rem;
}

.hero-copy,
.auth-console,
.command-rail,
.side-panel,
.detail-card,
.spec-grid article,
.board-banner {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--panel-radius);
  background: var(--bg-panel);
  box-shadow: var(--shadow);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: end;
  padding: 3rem;
  background:
    radial-gradient(circle at 20% 20%, rgba(228, 180, 108, 0.18), transparent 25rem),
    radial-gradient(circle at 80% 30%, rgba(113, 166, 216, 0.12), transparent 30rem),
    linear-gradient(135deg, rgba(26, 22, 18, 0.97), rgba(15, 13, 10, 0.97));
}

.hero-copy::after,
.auth-console::after,
.board-banner::after,
.sample-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), transparent 35%);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.section-header h2,
.board-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 0.98;
}

.hero h1 {
  max-width: 13ch;
  font-size: clamp(3.2rem, 6vw, 6.1rem);
}

.hero-body,
.board-copy p,
.auth-copy,
.canvas-note,
.footer-note,
.inline-message,
#session-label {
  color: var(--muted);
  line-height: 1.6;
}

.hero-body {
  max-width: 44rem;
  margin: 1.3rem 0 0;
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.hero-facts {
  display: grid;
  gap: 0.65rem;
  margin: 2rem 0 0;
  padding: 0;
  color: var(--muted);
  list-style: none;
}

.hero-facts li::before,
.spec-grid li::before,
.panel-list li::before,
.log-list li::before {
  content: "-";
  margin-right: 0.55rem;
  color: var(--accent);
}

.auth-console {
  display: grid;
  grid-template-rows: auto auto auto auto;
  gap: 1.1rem;
  padding: 2rem;
}

.auth-header h2,
.rail-section h3,
.panel-heading h3,
.detail-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.6rem;
}

.auth-tabs {
  display: inline-flex;
  gap: 0.35rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  width: fit-content;
  background: rgba(255, 255, 255, 0.03);
}

.tab-button {
  min-height: 2.5rem;
  padding: 0.35rem 0.9rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
}

.tab-button.is-active {
  background: rgba(228, 180, 108, 0.18);
  color: var(--ink);
}

.auth-form,
.stacked-form,
.api-console {
  display: grid;
  gap: 0.9rem;
}

.auth-form label,
.stacked-form label,
.api-console label {
  display: grid;
  gap: 0.45rem;
}

.auth-form span,
.stacked-form span,
.api-console span {
  color: var(--muted);
  font-size: 0.92rem;
}

input,
select {
  width: 100%;
  min-height: 3rem;
  padding: 0.8rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(11, 10, 9, 0.85);
  color: var(--ink);
}

input:focus,
select:focus {
  outline: 2px solid rgba(228, 180, 108, 0.25);
  border-color: rgba(228, 180, 108, 0.45);
}

.is-hidden {
  display: none;
}

.command-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr) 360px;
  gap: 1.4rem;
  padding: 0 0 3rem;
}

.command-rail {
  display: grid;
  align-content: start;
  gap: 1rem;
  padding: 1rem;
}

.rail-section {
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.session-stats {
  display: grid;
  gap: 0.85rem;
  margin: 1rem 0 1.2rem;
}

.session-stats div {
  display: grid;
  gap: 0.2rem;
}

.session-stats dt {
  color: var(--muted-deep);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.session-stats dd {
  margin: 0;
}

.command-center {
  min-height: 620px;
}

.board-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 1rem;
  min-height: 100%;
  padding: 2rem;
  background:
    radial-gradient(circle at 20% 15%, rgba(228, 180, 108, 0.14), transparent 18rem),
    linear-gradient(180deg, rgba(24, 20, 16, 0.96), rgba(11, 10, 8, 0.98));
}

.board-copy {
  align-self: end;
}

.board-copy h2 {
  max-width: 12ch;
  font-size: clamp(2rem, 3vw, 3.5rem);
}

.board-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.6rem;
}

.board-meta {
  display: grid;
  align-content: start;
  gap: 0.9rem;
}

.meta-block {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
}

.meta-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--muted-deep);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.side-panels {
  display: grid;
  align-content: start;
  gap: 1rem;
}

.side-panel {
  padding: 1.15rem;
}

.panel-list,
.log-list {
  display: grid;
  gap: 0.7rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.panel-list li,
.log-list li {
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
}

.panel-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: baseline;
}

.panel-row strong {
  color: var(--ink);
}

.panel-meta {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted-deep);
  font-size: 0.85rem;
}

.mini-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.7rem;
}

.mini-button {
  min-height: 2rem;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 0.82rem;
}

.mini-button:hover {
  color: var(--accent-strong);
  border-color: var(--line-strong);
}

.section-header {
  max-width: 54rem;
  margin-bottom: 1.5rem;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3.6rem);
}

.spec-section,
.sample-section {
  padding: 1rem 0 3rem;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.spec-grid article {
  padding: 1.5rem;
}

.spec-grid h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
}

.spec-grid ul {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  line-height: 1.55;
}

.sample-controls {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
}

.sample-buttons {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.sample-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 1rem;
}

.sample-stage {
  position: relative;
  overflow: hidden;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--panel-radius);
  background:
    radial-gradient(circle at top, rgba(228, 180, 108, 0.11), transparent 14rem),
    linear-gradient(180deg, rgba(21, 18, 14, 0.98), rgba(10, 9, 7, 0.98));
  box-shadow: var(--shadow);
}

#match-canvas {
  display: block;
  width: 100%;
  height: auto;
  max-height: 76svh;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(18, 15, 12, 0.98), rgba(11, 10, 8, 0.98));
}

.canvas-note {
  margin: 0.9rem 0 0;
  font-size: 0.95rem;
}

.sample-sidebar {
  display: grid;
  gap: 1rem;
}

.detail-card {
  padding: 1rem;
}

.detail-card strong {
  color: var(--ink);
}

.detail-card dl {
  display: grid;
  gap: 0.65rem;
  margin: 0;
}

.detail-card dt {
  color: var(--muted-deep);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.detail-card dd {
  margin: 0.2rem 0 0;
}

.action-list {
  display: grid;
  gap: 0.65rem;
}

.action-button {
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: 0.2rem;
  width: 100%;
  padding-inline: 1rem;
}

.action-button small {
  color: var(--muted);
}

.action-button.is-active {
  border-color: rgba(228, 180, 108, 0.58);
  background: rgba(228, 180, 108, 0.1);
}

.action-button:disabled,
.primary-button:disabled,
.secondary-button:disabled,
.ghost-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
  transform: none;
}

.unit-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2rem;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
}

.unit-dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
}

.unit-dot.team-1 {
  background: var(--ember);
}

.unit-dot.team-2 {
  background: var(--frost);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: end;
  padding: 0 0 3rem;
}

#sample-link {
  color: var(--accent);
}

.empty-state {
  color: var(--muted-deep);
}

.notice-warn {
  color: var(--accent-strong);
}

.notice-good {
  color: var(--heal);
}

@media (max-width: 1200px) {
  .hero,
  .command-layout,
  .sample-layout,
  .spec-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .board-banner {
    grid-template-columns: 1fr;
  }

  .sample-controls,
  .site-footer,
  .site-header {
    align-items: start;
  }

  .site-header {
    grid-template-columns: 1fr;
  }

  .site-nav,
  .header-tools {
    justify-content: start;
  }
}

@media (max-width: 720px) {
  main {
    padding-inline: 1rem;
  }

  .hero,
  .command-layout,
  .spec-section,
  .sample-section,
  .site-footer {
    width: min(100vw - 2rem, 1500px);
  }

  .hero-copy,
  .auth-console,
  .board-banner,
  .command-rail,
  .side-panel,
  .spec-grid article,
  .detail-card {
    padding: 1.15rem;
  }

  .hero h1 {
    font-size: clamp(2.6rem, 14vw, 4rem);
  }

  .section-header h2 {
    font-size: clamp(2rem, 10vw, 3rem);
  }
}