:root {
  --bg: #081014;
  --panel: #111c22;
  --panel-2: #152832;
  --line: #27424d;
  --text: #e4edf0;
  --muted: #8fa4aa;
  --green: #4bd08f;
  --amber: #d4a84f;
  --blue: #5aa5c8;
  --red: #d86a5c;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    linear-gradient(rgba(8, 16, 20, .72), rgba(8, 16, 20, .97)),
    url("brand-background.png") center top / min(1000px, 96vw) auto no-repeat fixed,
    url("naval-command-bg.svg") center top / cover fixed,
    repeating-linear-gradient(0deg, transparent, transparent 31px, rgba(90,165,200,.08) 32px),
    repeating-linear-gradient(90deg, transparent, transparent 31px, rgba(90,165,200,.08) 32px);
  color: var(--text);
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--green); }

.topbar {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 14, 18, .94);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

.brand-copy {
  display: grid;
  line-height: 1.05;
}

.brand-copy small {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  margin-top: 4px;
}

.brand-mark {
  width: 18px;
  height: 18px;
  border: 2px solid var(--green);
  transform: rotate(45deg);
  display: inline-block;
}

nav { display: flex; align-items: center; gap: 18px; }
nav a { color: var(--muted); font-size: 14px; }
.nav-action { color: var(--green); }

main {
  width: min(1240px, calc(100% - 36px));
  margin: 0 auto;
  padding: 34px 0 60px;
}

.server-strip {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid rgba(75, 208, 143, .35);
  background: rgba(6, 17, 23, .82);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 18px;
}

.server-strip span {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.server-strip strong {
  color: var(--green);
}

.server-strip a {
  margin-left: auto;
  color: var(--amber);
}

.hero {
  min-height: 430px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 34px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 36px auto auto 46%;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(75, 208, 143, .35);
  border-radius: 50%;
  box-shadow: 0 0 0 60px rgba(75, 208, 143, .035), 0 0 0 120px rgba(90, 165, 200, .025);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

h1, h2 { margin: 0; letter-spacing: 0; }
h1 { font-size: clamp(34px, 6vw, 68px); line-height: 1; }
h2 { font-size: 22px; }
.lede {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.button {
  border: 1px solid var(--line);
  background: #0d171c;
  color: var(--text);
  padding: 11px 16px;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
}
.button.primary {
  background: var(--green);
  border-color: var(--green);
  color: #06110d;
}

.signal-panel {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(21, 40, 50, .96), rgba(17, 28, 34, .96));
  padding: 22px;
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .28);
}
.signal-panel span, .signal-panel small { display: block; color: var(--muted); }
.signal-panel strong {
  display: block;
  color: var(--green);
  font-size: 42px;
  margin: 10px 0;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0;
}
.metric-grid article {
  background: rgba(17, 28, 34, .9);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}
.metric-grid span { display: block; color: var(--muted); font-size: 12px; text-transform: uppercase; }
.metric-grid strong { display: block; margin-top: 8px; font-size: 26px; }

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 26px;
}

.page-head {
  padding: 24px 0 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
}
.page-head p:not(.eyebrow) { color: var(--muted); max-width: 820px; line-height: 1.55; }

.section-head { margin: 26px 0 12px; }

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(10, 18, 23, .9);
  box-shadow: 0 18px 60px rgba(0, 0, 0, .18);
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}
th, td {
  padding: 13px 14px;
  border-bottom: 1px solid rgba(39, 66, 77, .7);
  text-align: left;
}
th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  background: rgba(21, 40, 50, .75);
}
td { color: var(--text); }
tr:last-child td { border-bottom: 0; }
.status { color: var(--green); text-transform: uppercase; font-size: 12px; font-weight: 700; }

.filters, .upload-panel {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

input, select {
  background: #091318;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px 12px;
  min-height: 42px;
}

textarea {
  background: #091318;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px 12px;
  width: min(760px, 100%);
  resize: vertical;
}

.upload-panel {
  align-items: flex-start;
  flex-direction: column;
}
.upload-panel label { color: var(--muted); display: grid; gap: 8px; }
.check-row { display: flex !important; grid-template-columns: none; flex-direction: row; align-items: center; }
.notice {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--amber);
  border-radius: 8px;
  background: rgba(212, 168, 79, .12);
}

.ship-hero-image {
  display: block;
  width: min(760px, 100%);
  max-height: 360px;
  object-fit: contain;
  margin: 0 auto;
}

.muted {
  color: var(--muted);
}

.settings-form {
  width: 100%;
  display: grid;
  gap: 14px;
}

.server-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.server-card {
  min-height: 150px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-end;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: rgba(10, 18, 23, .9);
  box-shadow: 0 18px 60px rgba(0, 0, 0, .18);
}

.server-card h2 {
  margin-top: 8px;
}

.server-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.server-card small {
  display: block;
  color: var(--muted);
  margin-top: 10px;
}

.map-card {
  align-items: stretch;
  flex-direction: column;
}

.build-dossier {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
  margin: 24px 0;
}

.commander-plate {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: rgba(10, 18, 23, .9);
}

.commander-plate img,
.commander-placeholder {
  width: 132px;
  aspect-ratio: 1;
  border: 1px solid rgba(90, 165, 200, .45);
  border-radius: 8px;
  object-fit: cover;
  background: #091318;
}

.commander-placeholder {
  display: grid;
  place-items: center;
  color: var(--green);
  font-size: 54px;
  font-weight: 700;
}

.commander-card {
  align-items: center;
  justify-content: flex-start;
}

.commander-avatar {
  width: 74px;
  height: 74px;
  flex: 0 0 74px;
  border: 1px solid rgba(90, 165, 200, .45);
  border-radius: 8px;
  overflow: hidden;
  background: #091318;
  display: grid;
  place-items: center;
  color: var(--green);
  font-size: 30px;
  font-weight: 700;
}

.commander-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tech-tree {
  display: grid;
  gap: 16px;
  margin-bottom: 26px;
}

.tech-tree article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(10, 18, 23, .9);
  padding: 16px;
}

.tech-tree h3 {
  margin: 0 0 12px;
}

.tier-lane {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.tier-chip {
  display: grid;
  gap: 5px;
  min-height: 88px;
  border: 1px solid rgba(39, 66, 77, .8);
  border-radius: 6px;
  padding: 10px;
  background: #0d171c;
  color: var(--text);
}

.tier-chip span,
.tier-chip small {
  color: var(--muted);
  font-size: 12px;
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.actions form {
  margin: 0;
}

.mini {
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #0d171c;
  color: var(--text);
  padding: 7px 10px;
  cursor: pointer;
}

.mini.success {
  border-color: var(--green);
  color: var(--green);
}

.mini.danger {
  border-color: var(--red);
  color: var(--red);
}

.mini:disabled {
  opacity: .55;
  cursor: not-allowed;
}

@media (max-width: 820px) {
  .topbar { height: auto; padding: 16px; align-items: flex-start; gap: 14px; flex-direction: column; }
  nav { flex-wrap: wrap; gap: 12px; }
  .hero, .two-column, .metric-grid, .build-dossier { grid-template-columns: 1fr; }
  h1 { font-size: 40px; }
  .commander-plate { grid-template-columns: 88px minmax(0, 1fr); }
  .commander-plate img, .commander-placeholder { width: 88px; }
  .commander-placeholder { font-size: 36px; }
  .signal-panel strong { font-size: 32px; }
}