:root {
  --bg: #0f1117;
  --panel: #171a23;
  --panel-2: #1f2330;
  --text: #e7e9ee;
  --muted: #9aa3b2;
  --accent: #4caf50;
  --accent-2: #6c8cff;
  --warn: #e6a700;
  --danger: #e05260;
  --border: #2a2f3d;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: var(--panel-2); padding: 2px 6px; border-radius: 6px; }

.container { width: 100%; max-width: 880px; margin: 0 auto; padding: 32px 20px; flex: 1; }

/* Header / footer */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; border-bottom: 1px solid var(--border); background: var(--panel);
}
.site-header .brand { font-weight: 700; font-size: 1.1rem; color: var(--text); }
.site-header nav { display: flex; align-items: center; gap: 18px; }
.site-footer {
  padding: 20px; text-align: center; color: var(--muted);
  border-top: 1px solid var(--border); font-size: .9rem;
}

/* Buttons */
.btn {
  display: inline-block; background: var(--accent-2); color: #fff; border: none;
  padding: 10px 18px; border-radius: var(--radius); font-size: 1rem; cursor: pointer;
  font-weight: 600; transition: filter .15s ease;
}
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn-large { padding: 13px 24px; font-size: 1.05rem; }
.btn-small { padding: 6px 12px; font-size: .9rem; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-start { background: var(--accent); }
.btn-warn { background: var(--warn); color: #1a1a1a; }
.btn-stop { background: var(--danger); }
.link-btn { background: none; border: none; color: var(--accent-2); cursor: pointer; font-size: 1rem; padding: 0; }
form.inline { display: inline; }

/* Hero */
.hero { text-align: center; padding: 48px 0 24px; }
.hero h1 { font-size: 2.6rem; margin: 0 0 16px; line-height: 1.15; }
.hero .lead { font-size: 1.2rem; color: var(--muted); max-width: 560px; margin: 0 auto 28px; }
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin-top: 40px; }
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px;
}
.card h3 { margin: 0 0 8px; }
.card p { color: var(--muted); margin: 0; }

/* Auth forms */
.auth-card {
  max-width: 420px; margin: 24px auto; background: var(--panel);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 28px;
}
.auth-card h1 { margin-top: 0; }
form label { display: block; margin-bottom: 16px; font-weight: 600; }
form input[type=email], form input[type=password], form input[type=text] {
  display: block; width: 100%; margin-top: 6px; padding: 10px 12px;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-size: 1rem; font-weight: 400;
}
.muted { color: var(--muted); }
.small { font-size: .9rem; }

/* Flash messages */
.flashes { margin-bottom: 20px; display: flex; flex-direction: column; gap: 10px; }
.flash { padding: 12px 16px; border-radius: 8px; border: 1px solid var(--border); }
.flash-success { background: rgba(76,175,80,.12); border-color: var(--accent); }
.flash-error { background: rgba(224,82,96,.12); border-color: var(--danger); }
.flash-info { background: var(--panel-2); }

/* Dashboard */
.dash-head { margin-bottom: 20px; }
.dash-head h1 { margin-bottom: 4px; }
.empty-state { text-align: center; }
.empty-state form { max-width: 340px; margin: 18px auto 0; text-align: left; }
.server-card .status-row { display: flex; align-items: center; gap: 14px; }
.server-card .status-row h2 { margin: 0; }
.connect { font-size: 1.05rem; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 18px 0; }
.metrics dt { color: var(--muted); font-size: .85rem; }
.metrics dd { margin: 2px 0 0; font-size: 1.15rem; font-weight: 600; }
.power-controls { display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0; }

/* State badge */
.state-badge { padding: 4px 12px; border-radius: 999px; font-size: .85rem; font-weight: 700; text-transform: uppercase; }
.state-running { background: rgba(76,175,80,.18); color: #7ddc81; }
.state-starting, .state-stopping { background: rgba(230,167,0,.18); color: #f0c75e; }
.state-offline, .state-stopped { background: rgba(224,82,96,.18); color: #f08a94; }
.state-unknown { background: var(--panel-2); color: var(--muted); }

@media (max-width: 540px) {
  .hero h1 { font-size: 2rem; }
  .metrics { grid-template-columns: 1fr; }
}