/* style.css — plan-005 portal-core
 * Themeable palette: dark (default, hackathon look) and light.
 * Theme is applied via `data-theme` attribute on <html>; the inline script
 * in views/partials/header.ejs sets it from localStorage before first paint.
 */

:root,
:root[data-theme="light"] {
  --bg: #f4f6f9;
  --card: #ffffff;
  --card-2: #eef2f7;
  --text: #0b1e2e;
  --accent: #007a8a;
  --accent-hover: #00525c;
  --muted: #5b6b80;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --success: #059669;
  --warning: #d97706;
  --warning-hover: #b45309;
  --border: #dce3eb;
  --border-soft: #ebeff5;
  --btn-hover: #e8ecf2;
  --on-accent: #ffffff;
  --on-warning: #ffffff;
  --alert-warn-bg: #fef3c7;
  --alert-warn-text: #78350f;
  --calendar-icon-filter: none;
}

:root[data-theme="dark"] {
  --bg: #10181f;
  --card: #1a2630;
  --card-2: #20303c;
  --text: #d4dde6;
  --accent: #2dd4bf;
  --accent-hover: #67e8f9;
  --muted: #8b9aab;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --success: #10b981;
  --warning: #f59e0b;
  --warning-hover: #d97706;
  --border: #2a3b48;
  --border-soft: #22323d;
  --btn-hover: #253340;
  --on-accent: #10181f;
  --on-warning: #10181f;
  --alert-warn-bg: #fef3c7;
  --alert-warn-text: #78350f;
  --calendar-icon-filter: invert(0.7);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { color: var(--text); margin-top: 0; }
h1 { font-size: 24px; }
h2 { font-size: 20px; }
h3 { font-size: 16px; }

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card);
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
}
.brand {
  font-weight: bold;
  font-size: 18px;
  color: var(--accent);
}
.user-email {
  color: var(--muted);
  margin-right: 12px;
  font-size: 13px;
}

/* ---------- Container + Footer ---------- */
.container {
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 24px;
  flex: 1;
}
.container:has(.admin-tabs) {
  max-width: 1400px;
}
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.footer {
  text-align: center;
  padding: 12px 24px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
  border-top: 1px solid var(--border);
  margin-top: 48px;
  height: 60px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.footer a {
  color: var(--accent);
  text-decoration: none;
}
.footer a:hover {
  text-decoration: underline;
}

/* ---------- Cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

/* ---------- Buttons ---------- */
button {
  display: inline-block;
  padding: 8px 16px;
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  transition: background 0.15s ease;
}
button:hover { background: var(--btn-hover); }
.btn {
  display: inline-block;
  padding: 8px 16px;
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  text-decoration: none;
  transition: background 0.15s ease;
}
.btn:hover { background: var(--btn-hover); text-decoration: none; }
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
  font-weight: 600;
}
.btn-primary:hover { background: var(--accent-hover); color: var(--on-accent); }
.btn-danger {
  background: var(--danger);
  color: white;
  border-color: var(--danger);
}
.btn-danger:hover:not(:disabled) { background: var(--danger-hover); }
.btn:disabled, .btn-sm:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}
.btn-warning {
  background: var(--warning);
  color: var(--on-warning);
  border-color: var(--warning);
}
.btn-warning:hover { background: var(--warning-hover); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}
.btn-outline:hover { background: var(--accent); color: var(--on-accent); }
.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}
.btn-link {
  background: transparent;
  border: none;
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
  font-size: inherit;
}
.btn-link:hover { color: var(--accent-hover); }

/* ---------- Status badges ---------- */
.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.status-running        { background: var(--success); color: white; }
.status-deallocated    { background: var(--muted); color: white; }
.status-creating,
.status-creating_vm,
.status-creating_disk,
.status-starting,
.status-stopping,
.status-deleting       { background: var(--warning); color: var(--on-warning); }
.status-create_failed,
.status-failed,
.status-error          { background: var(--danger); color: white; }
.status-expired        { background: var(--muted); color: white; }
.vm-status-detail {
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 2px;
}
.vm-error-msg {
  font-size: 0.7rem;
  color: var(--danger);
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 2px;
  cursor: help;
}

/* ---------- VM actions ---------- */
.vm-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

/* ---------- Misc helpers ---------- */
.text-muted { color: var(--muted); }

.alert {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 16px;
  border-left: 4px solid var(--accent);
  background: rgba(0, 122, 138, 0.08);
  color: var(--text);
}
.alert-warning {
  background: var(--alert-warn-bg);
  color: var(--alert-warn-text);
  border-left: 4px solid var(--warning);
}

/* ---------- Code / pre ---------- */
code {
  font-family: 'IBM Plex Mono', "SF Mono", Menlo, Consolas, monospace;
  background: var(--bg);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 13px;
  color: var(--accent);
}
pre {
  font-family: 'IBM Plex Mono', "SF Mono", Menlo, Consolas, monospace;
  background: var(--bg);
  padding: 12px;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 13px;
  color: var(--text);
  border: 1px solid var(--border);
}
pre code { background: transparent; padding: 0; color: inherit; }

/* ---------- Forms ---------- */
input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="date"], input[type="datetime-local"],
select, textarea {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
  font-family: inherit;
}
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator {
  filter: var(--calendar-icon-filter);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}
label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--muted);
}
.form-group { margin-bottom: 16px; }

.step {
  background: var(--bg);
  padding: 12px;
  border-radius: 6px;
  margin-bottom: 10px;
  color: var(--text);
}
.step-label {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
  text-transform: uppercase;
}
.installer-list { list-style: none; padding: 0; margin: 0; }
.installer-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border-soft);
}

/* ---------- Stats ---------- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
}
.stat-number {
  font-size: 32px;
  font-weight: bold;
  color: var(--accent);
  display: block;
}
.stat-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

/* ---------- Admin tabs / tables ---------- */
.admin-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.admin-tabs a {
  padding: 10px 16px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  font-size: 14px;
}
.admin-tabs a:hover { color: var(--text); }
.admin-tabs a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

.admin-table-wrap {
  overflow-x: auto;
  overflow-y: auto;
  max-height: 70vh;
  -webkit-overflow-scrolling: touch;
  border-radius: 6px;
}
.admin-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
}
.admin-table {
  width: 100%;
  min-width: 800px;
  border-collapse: collapse;
  background: var(--card);
  border-radius: 6px;
  overflow: hidden;
}
.admin-table th,
.admin-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.admin-table th {
  background: var(--card-2);
  color: var(--text);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(0, 122, 138, 0.04); }
.admin-table td pre {
  max-width: 380px;
  max-height: 120px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-all;
  margin: 0;
  font-size: 12px;
}
.admin-loading {
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.admin-loading-bar {
  width: 200px;
  height: 3px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}
.admin-loading-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: -40%;
  width: 40%;
  height: 100%;
  background: var(--primary);
  border-radius: 3px;
  animation: admin-loading-slide 1s ease-in-out infinite;
}
@keyframes admin-loading-slide {
  0% { left: -40%; }
  100% { left: 100%; }
}
.audit-table {
  table-layout: fixed;
}
.audit-table th:first-child,
.audit-table td:first-child { width: 110px; }
.audit-table th:nth-child(2),
.audit-table td:nth-child(2) { width: 150px; }
.audit-table td:nth-child(3),
.audit-table td:nth-child(4),
.audit-table td:nth-child(5) { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.audit-table th:last-child,
.audit-table td:last-child { width: 380px; }

/* ---------- Tables generic ---------- */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--border); }

/* ---------- Modal (alert / confirm / prompt) ---------- */
.cc-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: cc-fade-in 0.12s ease-out;
}
.cc-modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  min-width: 320px;
  max-width: 480px;
  width: 90vw;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  animation: cc-pop-in 0.15s ease-out;
}
.cc-modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 12px;
}
.cc-modal-body {
  color: var(--text);
  font-size: 14px;
  margin-bottom: 18px;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.cc-modal-input {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
  font-family: inherit;
  margin-bottom: 18px;
}
.cc-modal-input:focus { outline: none; border-color: var(--accent); }
.cc-modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}
.cc-modal-danger {
  border-left: 4px solid var(--danger);
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
@keyframes cc-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes cc-pop-in {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

/* ---------- Admin filter bar ---------- */
.admin-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 20px;
}
.admin-filter label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin-bottom: 0;
  min-width: 140px;
  flex: 1 1 140px;
  max-width: 220px;
}
.admin-filter input[type="text"],
.admin-filter input[type="date"],
.admin-filter input[type="datetime-local"],
.admin-filter select {
  width: 100%;
  padding: 7px 10px;
  font-size: 13px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.admin-filter input:focus,
.admin-filter select:focus {
  border-color: var(--accent);
  outline: none;
}
.admin-filter .btn-sm {
  align-self: flex-end;
  white-space: nowrap;
}
/* Audit-log search reuses same grid pattern */
.audit-search {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 20px;
}
.audit-search label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin-bottom: 0;
  min-width: 140px;
  flex: 1 1 140px;
  max-width: 220px;
}
.audit-search label.audit-search-q {
  flex: 2 1 280px;
  max-width: 400px;
}
.audit-search input[type="text"],
.audit-search input[type="datetime-local"],
.audit-search select {
  width: 100%;
  padding: 7px 10px;
  font-size: 13px;
}
.audit-search-row {
  display: contents;
}
.audit-search-actions {
  display: flex;
  gap: 8px;
  align-self: flex-end;
}
/* Pagination */
.pagination {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  .container { padding: 0 12px; }
  .topbar { padding: 10px 12px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
}

/* ---------- Copy-to-clipboard button on <pre> blocks ---------- */
pre.has-copy-btn { position: relative; padding-right: 64px; }
.code-copy-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  padding: 2px 8px;
  font-size: 11px;
  line-height: 1.4;
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.12s ease, background 0.12s ease;
}
pre.has-copy-btn:hover .code-copy-btn,
pre.has-copy-btn:focus-within .code-copy-btn,
.code-copy-btn:focus { opacity: 1; }
.code-copy-btn:hover { background: var(--btn-hover); }
.code-copy-btn--flash { opacity: 1 !important; background: var(--success); color: #fff; border-color: var(--success); }

/* ---------- Theme toggle ---------- */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  margin-right: 8px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  vertical-align: middle;
}
.theme-toggle:hover { background: var(--btn-hover); }
.theme-toggle .theme-toggle-icon-light,
.theme-toggle .theme-toggle-icon-dark { display: none; }
:root[data-theme="dark"] .theme-toggle .theme-toggle-icon-light { display: inline; }
:root[data-theme="light"] .theme-toggle .theme-toggle-icon-dark { display: inline; }
/* Default (no data-theme attribute yet) — assume dark, show "switch to light" icon */
:root:not([data-theme]) .theme-toggle .theme-toggle-icon-light { display: inline; }

/* OS bar (post-VM-creation dashboard) — shows detected OS + override link. */
.os-bar {
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  margin: 12px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9em;
}
.os-bar--overridden {
  border-left: 3px solid var(--accent);
}
.os-bar-actions {
  display: flex;
  gap: 14px;
}
.os-bar-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.85em;
}
.os-bar-link:hover {
  text-decoration: underline;
}

/* Device chip (multi-device picker inside Manual SSH card). */
.device-picker {
  align-items: center;
}
.device-chip {
  background: var(--card-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 14px;
  padding: 4px 12px;
  font-size: 0.85em;
  cursor: pointer;
}
.device-chip.active {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}

/* Dashboard tabs (post-VM-creation — Devices / Connect). */
.dash-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 0;
}
.dash-tab {
  padding: 10px 20px;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
}
.dash-tab:hover { color: var(--text); background: none; }
.dash-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

.tab-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 8px 8px;
  padding: 20px;
  display: none;
}
.tab-panel.active { display: block; }

.sub-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
}
.sub-tab {
  padding: 6px 16px;
  font-size: 13px;
  color: var(--muted);
  border: 1px solid var(--border);
  cursor: pointer;
  background: var(--card-2);
}
.sub-tab:first-child { border-radius: 6px 0 0 6px; }
.sub-tab:last-child { border-radius: 0 6px 6px 0; }
.sub-tab:not(:first-child) { border-left: none; }
.sub-tab:hover { color: var(--text); }
.sub-tab.active {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
  font-weight: 600;
}

.sub-panel { display: none; }
.sub-panel.active { display: block; }

/* ---------- Dashboard Hero ---------- */
.hero {
  background: linear-gradient(135deg, #007a8a 0%, #00525c 30%, #2dd4bf 70%, #67e8f9 100%);
  border-radius: 16px;
  padding: 48px 40px;
  margin-bottom: 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 20%, rgba(255,255,255,0.12) 0%, transparent 50%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; }
.hero-title {
  font-size: 32px;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 8px;
  letter-spacing: -0.5px;
}
.hero-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.88);
  margin: 0 0 24px;
}
.hero-download {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-hero {
  display: inline-block;
  padding: 12px 28px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 10px;
  color: #ffffff;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}
.btn-hero:hover {
  background: rgba(255, 255, 255, 0.32);
  transform: translateY(-1px);
  text-decoration: none;
  color: #ffffff;
}
.hero-alt {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}
.hero-alt a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.hero-alt a:hover { color: #ffffff; }
.hero-version {
  display: block;
  margin-top: 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- Feature Cards ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(0, 122, 138, 0.08);
}
.feature-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  background: linear-gradient(135deg, var(--accent), #2dd4bf);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 20px;
}
.feature-card h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 6px;
}
.feature-card p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}

/* ---------- Batteries Included ---------- */
.batteries {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 28px;
  margin-bottom: 28px;
  text-align: center;
}
.batteries h2 {
  font-size: 18px;
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.batteries h2 i { font-size: 22px; }
.batteries-sub {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 16px;
}
.battery-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.battery-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.battery-item:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 12px rgba(0, 122, 138, 0.08);
}
.battery-item i {
  font-size: 16px;
  color: var(--accent);
}

/* ---------- Getting Started Steps ---------- */
.getting-started {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 28px;
  margin-bottom: 28px;
}
.getting-started h2 {
  font-size: 18px;
  margin: 0 0 16px;
}
.steps {
  display: flex;
  gap: 16px;
}
.step-item {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg);
  border-radius: 8px;
}
.step-number {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), #2dd4bf);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 14px;
  flex-shrink: 0;
}
.step-text {
  font-size: 14px;
  color: var(--text);
}

/* VM Metrics grid */
.vm-metrics { padding: 12px 0; }
.vm-metrics .metrics-header { display: flex; align-items: center; gap: 16px; margin-bottom: 8px; }
.vm-metrics .metrics-header h3 { margin: 0; font-size: 16px; }
.vm-metrics .period-selector { display: flex; gap: 4px; }
.vm-metrics .period-selector button {
  padding: 4px 12px; border: 1px solid var(--border); border-radius: 4px;
  background: var(--card); cursor: pointer; font-size: 13px;
}
.vm-metrics .period-selector button.active {
  background: var(--accent); color: var(--on-accent); border-color: var(--accent);
}
.metrics-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.metric-chart { min-width: 0; }
.metric-chart h4 { margin: 0 0 4px; font-size: 13px; font-weight: 600; color: var(--muted); }

/* Test email button */
.test-email-btn {
  padding: 6px 14px; font-size: 13px; border: 1px solid var(--border);
  border-radius: 4px; background: var(--card); cursor: pointer; color: var(--text);
}
.test-email-btn:hover { background: var(--btn-hover); }
.test-email-btn:disabled { opacity: 0.5; cursor: not-allowed; }

@media (max-width: 1024px) {
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .features { grid-template-columns: 1fr; }
  .steps { flex-direction: column; }
  .hero { padding: 32px 24px; }
  .hero-title { font-size: 24px; }
  .hero-download { flex-direction: column; }
  .metrics-grid { grid-template-columns: 1fr; }
}

/* Skill markdown preview */
.skill-md-preview h1 { font-size:1.4em; font-weight:700; margin:0.6em 0 0.3em; border-bottom:1px solid #e5e7eb; padding-bottom:0.2em; }
.skill-md-preview h2 { font-size:1.2em; font-weight:600; margin:0.5em 0 0.2em; }
.skill-md-preview h3 { font-size:1.05em; font-weight:600; margin:0.4em 0 0.2em; }
.skill-md-preview p { margin:0.4em 0; }
.skill-md-preview ul, .skill-md-preview ol { margin:0.3em 0; padding-left:1.6em; }
.skill-md-preview li { margin:0.15em 0; }
.skill-md-preview code { background:#f3f4f6; padding:1px 4px; border-radius:3px; font-size:0.9em; }
.skill-md-preview pre { background:#f3f4f6; padding:10px; border-radius:4px; overflow-x:auto; font-size:0.85em; }
.skill-md-preview pre code { background:none; padding:0; }
.skill-md-preview table { border-collapse:collapse; width:100%; margin:0.5em 0; font-size:0.9em; }
.skill-md-preview th, .skill-md-preview td { border:1px solid #d1d5db; padding:4px 8px; text-align:left; }
.skill-md-preview th { background:#f3f4f6; font-weight:600; }
.skill-md-preview blockquote { border-left:3px solid #d1d5db; margin:0.4em 0; padding:0.2em 0.8em; color:#4b5563; }
.skill-md-preview hr { border:none; border-top:1px solid #e5e7eb; margin:0.8em 0; }
.skill-md-preview a { color:#0969da; }
.admin-table td pre.skill-file-source { max-width:none; max-height:400px; width:100%; box-sizing:border-box; }