:root {
  --bg: #0f1420;
  --panel: #171d2b;
  --panel-border: #262e42;
  --text: #e6e9f0;
  --muted: #8a93a6;
  --accent: #5b8cff;
  --green: #3ddc84;
  --red: #ff5c6c;
  --amber: #ffb84d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: linear-gradient(160deg, #0b0e17, #131a29);
  color: var(--text);
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--panel-border);
}

.topbar h1 {
  font-size: 20px;
  margin: 0;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.topbar h1 span {
  color: var(--accent);
}

.logout-btn {
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
}
.logout-btn:hover { color: var(--text); border-color: var(--accent); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
  padding: 28px 32px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 20px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
}
.card.status-online::before { background: var(--green); }
.card.status-offline::before { background: var(--red); }
.card.status-checking::before { background: var(--amber); }

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
}

.card-title { font-size: 16px; font-weight: 600; margin: 0 0 4px 0; }
.card-game { font-size: 12px; color: var(--muted); }

.status-pill {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
  white-space: nowrap;
}
.status-online .status-pill { background: rgba(61,220,132,0.15); color: var(--green); }
.status-offline .status-pill { background: rgba(255,92,108,0.15); color: var(--red); }
.status-checking .status-pill { background: rgba(255,184,77,0.15); color: var(--amber); }

.card-meta {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
  flex-grow: 1;
}

.btn-row {
  display: flex;
  gap: 8px;
  margin-top: auto;
}

.action-btn {
  flex: 1;
  padding: 10px 6px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: #1e2537;
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.action-btn:hover:not(:disabled) { border-color: var(--accent); background: #232c44; }
.action-btn:disabled { opacity: 0.35; cursor: not-allowed; }

.start-btn:hover:not(:disabled) { border-color: var(--green); }
.stop-btn:hover:not(:disabled) { border-color: var(--red); }
.restart-btn:hover:not(:disabled) { border-color: var(--amber); }

.empty-state {
  color: var(--muted);
  padding: 60px;
  text-align: center;
  grid-column: 1 / -1;
}

.add-server-section {
  padding: 0 32px 40px;
}

.toggle-add-btn {
  background: transparent;
  border: 1px dashed var(--panel-border);
  color: var(--muted);
  padding: 12px 20px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
}
.toggle-add-btn:hover { color: var(--accent); border-color: var(--accent); }

.add-server-form {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 24px;
  margin-top: 16px;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.add-server-form.hidden { display: none; }
.add-server-form h3 { margin: 0; font-size: 16px; }
.form-hint {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}
.add-server-form label {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.add-server-form input {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: #0f1420;
  color: var(--text);
  font-size: 13px;
}
.form-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}
.form-actions .action-btn { flex: initial; padding: 10px 18px; }
.form-error {
  color: var(--red);
  font-size: 13px;
  min-height: 16px;
}

/* Login page */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-box {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 40px 36px;
  width: 320px;
}
.login-box h2 { margin: 0 0 6px 0; font-size: 20px; }
.login-box p { color: var(--muted); font-size: 13px; margin: 0 0 24px 0; }
.login-box input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: #0f1420;
  color: var(--text);
  font-size: 14px;
  margin-bottom: 14px;
}
.login-box button {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: white;
  font-weight: 600;
  cursor: pointer;
  font-size: 14px;
}
.login-error {
  color: var(--red);
  font-size: 13px;
  margin-top: 10px;
  min-height: 16px;
}