:root {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --panel-2: #eef3f8;
  --line: #d7e0ea;
  --text: #172033;
  --muted: #657386;
  --accent: #246bfe;
  --accent-2: #139a74;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: #145fd7; text-decoration: none; }
.app-shell { display: grid; grid-template-columns: 260px minmax(0, 1fr); min-height: 100vh; }
.sidebar { background: #ffffff; border-right: 1px solid var(--line); padding: 22px; position: sticky; top: 0; height: 100vh; }
.brand { font-size: 20px; font-weight: 800; margin-bottom: 28px; }
.sidebar nav { display: grid; gap: 8px; }
.sidebar a { color: var(--muted); padding: 11px 13px; border-radius: 8px; }
.sidebar a.active, .sidebar a:hover { background: var(--panel-2); color: var(--text); }
.main { min-width: 0; }
.topbar { min-height: 88px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 18px; align-items: center; padding: 20px 28px; }
.topbar h1 { font-size: 25px; line-height: 1.1; margin: 0 0 6px; letter-spacing: 0; }
.topbar span, .muted { color: var(--muted); font-size: 13px; }
.userbox { display: flex; gap: 12px; align-items: center; }
.content { padding: 28px; }
.grid { display: grid; gap: 18px; }
.cards-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.compact { gap: 10px; }
.metric-card, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 40px rgba(20, 36, 64, .08);
}
.metric-card { padding: 20px; min-height: 128px; display: grid; align-content: space-between; }
.metric-card span { color: var(--muted); font-size: 13px; }
.metric-card strong { font-size: 26px; line-height: 1.1; overflow-wrap: anywhere; }
.metric-card em { color: var(--muted); font-style: normal; font-size: 13px; }
.panel { padding: 18px; }
.panel-title { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; }
.panel-title h2 { font-size: 17px; margin: 0; letter-spacing: 0; }
.table-dark {
  --bs-table-bg: transparent;
  --bs-table-color: var(--text);
  --bs-table-border-color: var(--line);
  --bs-table-hover-bg: #eef4fb;
  --bs-table-hover-color: var(--text);
  color: var(--text);
}
.progress { background: #dbe5f0; height: 18px; }
.progress-bar { background: linear-gradient(90deg, var(--accent), var(--accent-2)); min-width: 0; }
.server-list { display: grid; gap: 10px; }
.server-row { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 13px; background: var(--panel-2); border-radius: 8px; }
.server-row div { display: grid; }
.terminal {
  background: #111827;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #c8f7d4;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  padding: 14px;
  white-space: pre-wrap;
  overflow: auto;
}
.small-terminal { max-height: 240px; }
.log-viewer { min-height: 520px; max-height: 70vh; }
.action-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.stacked-form { display: grid; gap: 12px; }
.terminal-form { display: grid; gap: 14px; }
.terminal-grid { grid-template-columns: minmax(0, 1fr) 120px; align-items: center; }
.terminal-sudo { margin: 0; }
.terminal-command-row { display: grid; grid-template-columns: 24px minmax(0, 1fr) auto; gap: 10px; align-items: center; }
.terminal-command-row span { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-weight: 700; }
.terminal-command-input { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.job-progress-line { display: flex; justify-content: space-between; gap: 14px; align-items: center; flex-wrap: wrap; }
.job-panel { padding: 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-2); }
.rule-note { padding: 10px 12px; border-radius: 8px; background: #fff7df; border: 1px solid #f0d48b; color: #6d5200; }
.bulk-actions { display: flex; justify-content: space-between; gap: 12px; align-items: center; flex-wrap: wrap; }
.storage-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; }
.storage-link { display: grid; gap: 6px; padding: 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-2); color: var(--text); }
.storage-link span { color: var(--muted); overflow-wrap: anywhere; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
.explorer-toolbar { display: grid; grid-template-columns: minmax(160px, .8fr) minmax(180px, 1fr) minmax(220px, 1.4fr) auto auto; gap: 10px; align-items: center; }
.form-control, .form-select { background-color: #ffffff; color: var(--text); border-color: var(--line); }
.form-control:focus, .form-select:focus { background-color: #ffffff; color: var(--text); border-color: var(--accent); box-shadow: 0 0 0 .2rem rgba(36,107,254,.16); }
.form-control::placeholder { color: #8491a3; }
.btn-outline-light { color: var(--text); border-color: #b7c4d5; }
.btn-outline-light:hover { color: var(--text); background: #e7eef8; border-color: #9eafc4; }
.button-stack { display: flex; gap: 8px; flex-wrap: wrap; }
.button-stack form { display: inline; }
.path-cell { max-width: 360px; overflow-wrap: anywhere; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
.checkbox-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 8px; }
.code-textarea { min-height: 220px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.runtime-list { display: grid; grid-template-columns: 140px 1fr; gap: 12px; }
.runtime-list dt { color: var(--muted); }
.runtime-list dd { margin: 0; overflow-wrap: anywhere; }
.login-body { display: grid; place-items: center; padding: 24px; }
.login-panel { width: min(440px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 28px; }
.login-title span { color: var(--accent-2); font-weight: 800; letter-spacing: 0; }
.login-title h1 { font-size: 24px; margin: 8px 0 22px; letter-spacing: 0; }

@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .sidebar nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cards-4, .two-col { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .topbar { align-items: flex-start; flex-direction: column; padding: 18px; }
  .content { padding: 18px; }
  .sidebar nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .runtime-list { grid-template-columns: 1fr; }
  .terminal-grid, .terminal-command-row { grid-template-columns: 1fr; }
  .explorer-toolbar { grid-template-columns: 1fr; }
}