/**
 * Lotus Cloud - DigitalOcean Inspired Dashboard Stylesheet
 * Service: B43 Lotus Cloud (B43_T5_design_css)
 * Pure CSS with CSS Custom Properties, Dark Mode & Responsive Layout
 */

/* ==========================================================================
   1. CSS Custom Properties & Design Tokens (Light Theme Default)
   ========================================================================== */
:root {
  /* Brand & Theme Colors */
  --do-blue: #0069ff;
  --do-blue-hover: #0053ce;
  --do-blue-light: #ebf3ff;
  --do-blue-border: #b8d5ff;

  /* Surfaces & Backgrounds */
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-secondary: #f4f6f8;
  --bg-surface-hover: #edf1f7;

  /* Borders & Dividers */
  --border: #e5e8ec;
  --border-color: #e5e8ec;
  --border-color-subtle: #f0f2f5;
  --border-color-focus: #0069ff;

  /* Typography Colors */
  --text-primary: #031b4e;
  --text-secondary: #5b6987;
  --text-muted: #8898aa;
  --text-inverse: #ffffff;

  /* Status Colors & Accents */
  --status-running: #00b16a;
  --status-running-bg: #e6f7ef;
  --status-stopped: #8898aa;
  --status-stopped-bg: #f1f3f5;
  --status-pending: #f59e0b;
  --status-pending-bg: #fef3c7;
  --status-danger: #e41749;
  --status-danger-bg: #fde8e8;
  --status-info: #0069ff;
  --status-info-bg: #ebf3ff;

  /* Shadows (DO style: crisp & subtle) */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-focus: 0 0 0 3px rgba(0, 105, 255, 0.25);

  /* Border Radii (Crisp 3-4px DO styling) */
  --radius-sm: 3px;
  --radius: 4px;
  --radius-md: 4px;
  --radius-lg: 6px;
  --radius-full: 9999px;

  /* Spacing Scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* ==========================================================================
   2. Dark Mode Overrides
   ========================================================================== */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --do-blue: #2985ff;
    --do-blue-hover: #4d9cff;
    --do-blue-light: rgba(41, 133, 255, 0.15);
    --do-blue-border: rgba(41, 133, 255, 0.4);
    --bg-page: #0b1120;
    --bg-surface: #131b2e;
    --bg-surface-secondary: #19233b;
    --bg-surface-hover: #202d4b;
    --border: #24314d;
    --border-color: #24314d;
    --border-color-subtle: #1a253c;
    --border-color-focus: #2985ff;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-inverse: #ffffff;
    --status-running: #10b981;
    --status-running-bg: rgba(16, 185, 129, 0.18);
    --status-stopped: #94a3b8;
    --status-stopped-bg: rgba(148, 163, 184, 0.18);
    --status-pending: #f59e0b;
    --status-pending-bg: rgba(245, 158, 11, 0.18);
    --status-danger: #f43f5e;
    --status-danger-bg: rgba(244, 63, 94, 0.18);
    --status-info: #38bdf8;
    --status-info-bg: rgba(56, 189, 248, 0.18);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
    --shadow-focus: 0 0 0 3px rgba(41, 133, 255, 0.35);
  }
}

:root[data-theme="dark"] {
  --do-blue: #2985ff;
  --do-blue-hover: #4d9cff;
  --do-blue-light: rgba(41, 133, 255, 0.15);
  --do-blue-border: rgba(41, 133, 255, 0.4);
  --bg-page: #0b1120;
  --bg-surface: #131b2e;
  --bg-surface-secondary: #19233b;
  --bg-surface-hover: #202d4b;
  --border: #24314d;
  --border-color: #24314d;
  --border-color-subtle: #1a253c;
  --border-color-focus: #2985ff;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  --status-running: #10b981;
  --status-running-bg: rgba(16, 185, 129, 0.18);
  --status-stopped: #94a3b8;
  --status-stopped-bg: rgba(148, 163, 184, 0.18);
  --status-pending: #f59e0b;
  --status-pending-bg: rgba(245, 158, 11, 0.18);
  --status-danger: #f43f5e;
  --status-danger-bg: rgba(244, 63, 94, 0.18);
  --status-info: #38bdf8;
  --status-info-bg: rgba(56, 189, 248, 0.18);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-focus: 0 0 0 3px rgba(41, 133, 255, 0.35);
}

/* ==========================================================================
   3. Base Reset & Typography
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; padding: 0;
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--do-blue); text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--do-blue-hover); text-decoration: underline; }

/* ==========================================================================
   4. Layout: App Shell, Sidebar, Topbar, Content
   ========================================================================== */
.app-shell { display: flex; min-height: 100vh; width: 100%; }
.sidebar {
  width: 240px; flex-shrink: 0;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  display: flex; flex-direction: column; z-index: 100;
}
.sidebar-brand {
  height: 56px; padding: 0 var(--space-5);
  display: flex; align-items: center; gap: var(--space-2);
  font-size: 1.125rem; font-weight: 700; color: var(--text-primary);
  letter-spacing: -0.01em; border-bottom: 1px solid var(--border-color-subtle);
}
.sidebar-brand a { color: inherit; text-decoration: none; display: flex; align-items: center; gap: var(--space-2); }
.sidebar-nav {
  list-style: none; margin: 0; padding: var(--space-3) var(--space-2);
  display: flex; flex-direction: column; gap: 2px; flex: 1;
}
.nav-item {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-md);
  color: var(--text-secondary); font-size: 0.875rem; font-weight: 500;
  text-decoration: none; cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.nav-item:hover { background-color: var(--bg-surface-hover); color: var(--text-primary); text-decoration: none; }
.nav-item.active { background-color: var(--do-blue-light); color: var(--do-blue); font-weight: 600; }
.main-area { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: 56px; background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--space-6); flex-shrink: 0;
}
.content {
  flex: 1; padding: var(--space-6);
  max-width: 1200px; width: 100%; box-sizing: border-box; margin: 0 auto;
}

/* ==========================================================================
   5. Cards
   ========================================================================== */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-5); overflow: hidden;
}
.card-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-color);
  display: flex; align-items: center; justify-content: space-between;
  background-color: var(--bg-surface);
}
.card-title {
  margin: 0; font-size: 1rem; font-weight: 600;
  color: var(--text-primary); line-height: 1.4;
}
.card-body { padding: var(--space-5); }
.card-footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-surface-secondary);
  display: flex; align-items: center; justify-content: flex-end; gap: var(--space-3);
}

/* ==========================================================================
   6. Buttons
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: 7px 14px; font-size: 0.875rem; font-weight: 500; font-family: inherit; line-height: 1.4;
  border-radius: var(--radius-md); border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
  vertical-align: middle; white-space: nowrap; user-select: none;
}
.btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.btn:hover { text-decoration: none; }

.btn-primary { background-color: var(--do-blue); color: var(--text-inverse); border-color: var(--do-blue); }
.btn-primary:hover { background-color: var(--do-blue-hover); border-color: var(--do-blue-hover); color: var(--text-inverse); }

.btn-secondary { background-color: var(--bg-surface); color: var(--text-primary); border-color: var(--border-color); }
.btn-secondary:hover { background-color: var(--bg-surface-hover); border-color: var(--text-secondary); color: var(--text-primary); }

.btn-danger { background-color: var(--status-danger); color: var(--text-inverse); border-color: var(--status-danger); }
.btn-danger:hover { background-color: #c9123e; border-color: #c9123e; color: var(--text-inverse); }

.btn-ghost { background-color: transparent; color: var(--text-secondary); border-color: transparent; }
.btn-ghost:hover { background-color: var(--bg-surface-hover); color: var(--text-primary); }

.btn-sm { padding: 4px 10px; font-size: 0.75rem; border-radius: var(--radius-sm); }
.btn-block { display: flex; width: 100%; }
.btn:disabled, .btn[disabled], .btn.disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

/* ==========================================================================
   7. Tables
   ========================================================================== */
.table-wrap {
  width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border-color); border-radius: var(--radius-md);
  background-color: var(--bg-surface); margin-bottom: var(--space-4);
}
.table { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.875rem; }
.table th {
  padding: var(--space-3) var(--space-4);
  background-color: var(--bg-surface-secondary); color: var(--text-secondary);
  font-size: 0.6875rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color); white-space: nowrap;
}
.table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-color-subtle);
  color: var(--text-primary); vertical-align: middle;
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background-color: var(--bg-surface-hover); }

/* ==========================================================================
   8. Status Indicators
   ========================================================================== */
.status { display: inline-flex; align-items: center; gap: 6px; font-size: 0.8125rem; font-weight: 500; color: var(--text-secondary); }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: var(--radius-full); flex-shrink: 0; }
.status-running .status-dot, .status-dot.status-running { background-color: var(--status-running); box-shadow: 0 0 0 2px var(--status-running-bg); }
.status-stopped .status-dot, .status-dot.status-stopped { background-color: var(--status-stopped); box-shadow: 0 0 0 2px var(--status-stopped-bg); }
.status-pending .status-dot, .status-dot.status-pending { background-color: var(--status-pending); box-shadow: 0 0 0 2px var(--status-pending-bg); }

/* ==========================================================================
   9. Forms & Inputs
   ========================================================================== */
.form-group { margin-bottom: var(--space-4); }
.form-label { display: block; font-size: 0.8125rem; font-weight: 600; color: var(--text-primary); margin-bottom: var(--space-1); }
.form-input, .form-select, .form-textarea {
  width: 100%; box-sizing: border-box; padding: 8px 12px;
  font-size: 0.875rem; font-family: inherit; color: var(--text-primary);
  background-color: var(--bg-surface); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-input:focus, .form-select:focus, .form-textarea:focus,
.form-input:focus-visible, .form-select:focus-visible, .form-textarea:focus-visible {
  outline: none; border-color: var(--border-color-focus); box-shadow: var(--shadow-focus);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-input:disabled, .form-select:disabled, .form-textarea:disabled {
  background-color: var(--bg-surface-secondary); cursor: not-allowed; opacity: 0.7;
}
.form-textarea { min-height: 80px; resize: vertical; }
.form-hint { display: block; font-size: 0.75rem; color: var(--text-secondary); margin-top: var(--space-1); }
.form-error { display: block; font-size: 0.75rem; color: var(--status-danger); margin-top: var(--space-1); font-weight: 500; }

/* ==========================================================================
   10. Option Grid (DigitalOcean Style Droplet / Plan Selector)
   ========================================================================== */
.option-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-3); margin-top: var(--space-2); margin-bottom: var(--space-4);
}
.option-card {
  position: relative; padding: var(--space-4);
  background-color: var(--bg-surface); border: 2px solid var(--border-color);
  border-radius: var(--radius-md); cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
  text-align: left; user-select: none; display: flex; flex-direction: column; gap: var(--space-1);
}
.option-card:hover { border-color: var(--do-blue-border); background-color: var(--bg-surface-hover); }
.option-card.selected {
  border-color: var(--do-blue); background-color: var(--do-blue-light);
  box-shadow: 0 0 0 1px var(--do-blue);
}
.option-card:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.option-card-title { font-size: 0.9375rem; font-weight: 700; color: var(--text-primary); margin-bottom: 2px; }
.option-card.selected .option-card-title { color: var(--do-blue); }
.option-card-meta { font-size: 0.75rem; color: var(--text-secondary); line-height: 1.4; }

/* ==========================================================================
   11. Badges
   ========================================================================== */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; font-size: 0.75rem; font-weight: 600;
  border-radius: var(--radius-sm); line-height: 1.4; white-space: nowrap;
}
.badge-blue { background-color: var(--status-info-bg); color: var(--do-blue); border: 1px solid var(--do-blue-border); }
.badge-green { background-color: var(--status-running-bg); color: var(--status-running); border: 1px solid rgba(0, 177, 106, 0.3); }
.badge-gray { background-color: var(--status-stopped-bg); color: var(--text-secondary); border: 1px solid var(--border-color); }
.badge-red { background-color: var(--status-danger-bg); color: var(--status-danger); border: 1px solid rgba(228, 23, 73, 0.3); }

/* ==========================================================================
   12. Modals
   ========================================================================== */
.modal-backdrop {
  position: fixed; inset: 0; background-color: rgba(0, 0, 0, 0.5); backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center; z-index: 1000; padding: var(--space-4);
}
.modal {
  background-color: var(--bg-surface); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  width: 100%; max-width: 520px; max-height: 90vh;
  display: flex; flex-direction: column; overflow: hidden;
  animation: modal-in 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes modal-in {
  from { opacity: 0; transform: scale(0.96) translateY(-8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-header {
  padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--border-color);
  display: flex; align-items: center; justify-content: space-between;
  background-color: var(--bg-surface);
}
.modal-close {
  background: transparent; border: none; font-size: 1.25rem; line-height: 1;
  color: var(--text-muted); cursor: pointer; padding: 4px; border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; justify-content: center;
  transition: color 0.15s ease, background-color 0.15s ease;
}
.modal-close:hover { color: var(--text-primary); background-color: var(--bg-surface-hover); }
.modal-close:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.modal-body { padding: var(--space-5); overflow-y: auto; flex: 1; }
.modal-footer {
  padding: var(--space-3) var(--space-5); border-top: 1px solid var(--border-color);
  background-color: var(--bg-surface-secondary);
  display: flex; align-items: center; justify-content: flex-end; gap: var(--space-3);
}

/* ==========================================================================
   13. Toasts
   ========================================================================== */
.toast-container {
  position: fixed; bottom: var(--space-6); right: var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-2);
  z-index: 1100; max-width: 360px; width: 100%; pointer-events: none;
}
.toast {
  pointer-events: auto; padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md); background-color: var(--bg-surface);
  border: 1px solid var(--border-color); box-shadow: var(--shadow-lg);
  font-size: 0.875rem; color: var(--text-primary);
  display: flex; align-items: center; gap: var(--space-3);
  animation: toast-in 0.25s ease-out;
}
@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.toast-success { border-left: 4px solid var(--status-running); }
.toast-error { border-left: 4px solid var(--status-danger); }
.toast-info { border-left: 4px solid var(--do-blue); }

/* ==========================================================================
   14. Tabs
   ========================================================================== */
.tabs {
  display: flex; gap: var(--space-1); border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-5); overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.tab {
  padding: var(--space-3) var(--space-4); font-size: 0.875rem; font-weight: 500;
  color: var(--text-secondary); text-decoration: none; border-bottom: 2px solid transparent;
  margin-bottom: -1px; cursor: pointer; transition: color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap; background: none; border-top: none; border-left: none; border-right: none;
  font-family: inherit;
}
.tab:hover { color: var(--text-primary); border-bottom-color: var(--border-color); text-decoration: none; }
.tab.active { color: var(--do-blue); border-bottom-color: var(--do-blue); font-weight: 600; }
.tab:focus-visible { outline: none; box-shadow: var(--shadow-focus); }

/* ==========================================================================
   15. Utilities & Components (Spinner, Empty State, Metrics, Progress)
   ========================================================================== */
.spinner {
  width: 20px; height: 20px; border: 2px solid var(--border-color);
  border-top-color: var(--do-blue); border-radius: var(--radius-full);
  animation: spin 0.7s linear infinite; display: inline-block; vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
  text-align: center; padding: var(--space-10) var(--space-6);
  color: var(--text-secondary); background-color: var(--bg-surface);
  border: 1px dashed var(--border-color); border-radius: var(--radius-md);
}
.metric-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4); margin-bottom: var(--space-5);
}
.metric-card {
  background-color: var(--bg-surface); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); padding: var(--space-4) var(--space-5); box-shadow: var(--shadow-sm);
}
.metric-value {
  font-size: 1.75rem; font-weight: 700; color: var(--text-primary);
  line-height: 1.2; margin-bottom: var(--space-1);
}
.metric-label {
  font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--text-secondary);
}
.progress {
  height: 8px; width: 100%; background-color: var(--bg-surface-secondary);
  border-radius: var(--radius-full); overflow: hidden; border: 1px solid var(--border-color-subtle);
}
.progress-bar {
  height: 100%; background-color: var(--do-blue);
  border-radius: var(--radius-full); transition: width 0.3s ease;
}

/* ==========================================================================
   16. Responsive Breakpoints
   ========================================================================== */
@media (max-width: 900px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border-color); }
  .sidebar-nav {
    flex-direction: row; overflow-x: auto;
    padding: var(--space-2) var(--space-3); -webkit-overflow-scrolling: touch;
  }
  .nav-item { white-space: nowrap; }
  .topbar { padding: 0 var(--space-4); }
  .content { padding: var(--space-4); }
}

@media (max-width: 600px) {
  .option-grid { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: 1fr; }
  .card-header, .card-footer { flex-direction: column; align-items: flex-start; gap: var(--space-2); }
  .toast-container { left: var(--space-4); right: var(--space-4); bottom: var(--space-4); max-width: none; }
}

/* ==========================================================================
   17. Accessibility: Reduced Motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* =====================================================================
   PHẦN BỔ SUNG — các thành phần riêng của giao diện Lotus Cloud
   (dùng lại toàn bộ biến màu đã khai báo ở trên, không hard-code)
   ===================================================================== */

/* --- thanh bên: thương hiệu, icon, chân --- */
.sidebar-brand { display:flex; align-items:center; gap:var(--space-2); font-weight:700; font-size:1.05rem; }
.brand-mark { font-size:1.35rem; line-height:1; }
.brand-text { letter-spacing:-.01em; }
.nav-icon { width:18px; height:18px; flex:none; fill:currentColor; opacity:.75; }
.nav-item.active .nav-icon { opacity:1; }
.sidebar-footer { margin-top:auto; padding-top:var(--space-4); border-top:1px solid var(--border-color); display:flex; flex-direction:column; gap:var(--space-2); }
.theme-toggle { display:flex; align-items:center; gap:var(--space-2); width:100%; background:none; border:1px solid var(--border-color);
  color:var(--text-secondary); font:inherit; font-size:.82rem; padding:var(--space-2) var(--space-3); border-radius:var(--radius-sm); cursor:pointer; }
.theme-toggle:hover { background:var(--bg-surface-hover); color:var(--text-primary); }
.sidebar-status { display:flex; align-items:center; gap:var(--space-2); font-size:.76rem; color:var(--text-muted); padding-left:2px; }

/* --- thanh trên --- */
.topbar-left { display:flex; flex-direction:column; gap:2px; min-width:0; }
.topbar-right { display:flex; align-items:center; gap:var(--space-2); flex:none; }
.page-title { font-size:1.4rem; font-weight:700; margin:0; letter-spacing:-.02em; }
.page-sub { font-size:.8rem; color:var(--text-muted); }

/* --- tiện ích chữ --- */
.muted { color:var(--text-muted); }
.mono { font-family:var(--font-mono); font-size:.82em; }
.center { text-align:center; padding:var(--space-6) 0; }
/* Cột GIÁ TRỊ SỐ canh giữa (chữ vẫn canh trái) — số canh phải sát mép cột trông
   lệch hẳn sang một bên, rất khó đọc khi bảng có nhiều cột hẹp.
   `tabular-nums` giữ mọi chữ số cùng bề rộng để các hàng thẳng cột với nhau. */
.num, .table th.num { text-align:center; font-variant-numeric:tabular-nums; }
.mb { margin-bottom:var(--space-4); }
.mt { margin-top:var(--space-3); }
.gap { gap:var(--space-4); }

/* --- lưới 2 cột --- */
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:var(--space-4); }
@media (max-width:820px){ .grid-2 { grid-template-columns:1fr; } }

/* --- bảng danh sách droplet --- */
.row-click { cursor:pointer; }
.cell-name { display:flex; flex-direction:column; gap:1px; }
.dl-name { font-weight:600; color:var(--text-primary); }
.dl-id { font-size:.74rem; color:var(--text-muted); font-variant-numeric:tabular-nums; }
.row-actions { text-align:right; white-space:nowrap; }

/* --- khối tải / lỗi / rỗng --- */
.loading-block { display:flex; align-items:center; justify-content:center; gap:var(--space-3);
  padding:var(--space-10) 0; color:var(--text-muted); font-size:.9rem; }
.empty-icon { font-size:2.5rem; margin-bottom:var(--space-3); opacity:.85; }
.error-card { border-color:var(--status-danger); }
.error-card h3 { margin:0 0 var(--space-2); color:var(--status-danger); font-size:1rem; }

/* --- trang tạo droplet --- */
.create-layout { display:grid; grid-template-columns:minmax(0,1fr) 300px; gap:var(--space-6); align-items:start; }
@media (max-width:1000px){ .create-layout { grid-template-columns:1fr; } }
.create-main { display:flex; flex-direction:column; gap:var(--space-6); min-width:0; }
.create-step { background:var(--bg-surface); border:1px solid var(--border-color);
  border-radius:var(--radius-md); padding:var(--space-5); }
.step-title { display:flex; align-items:center; gap:var(--space-3); font-size:1rem; font-weight:700; margin:0 0 var(--space-1); }
.step-num { display:inline-flex; align-items:center; justify-content:center; width:24px; height:24px; flex:none;
  background:var(--do-blue); color:#fff; border-radius:var(--radius-full); font-size:.78rem; font-weight:700; }
.step-hint { font-size:.82rem; color:var(--text-muted); margin:0 0 var(--space-4); }
.size-grid { grid-template-columns:repeat(auto-fill,minmax(160px,1fr)); }
.check-row { display:flex; align-items:center; gap:var(--space-2); font-size:.88rem; cursor:pointer; margin-top:var(--space-3); }

/* --- thẻ tóm tắt (cột phải) --- */
.create-side { position:sticky; top:var(--space-4); }
.sum-row { display:flex; justify-content:space-between; gap:var(--space-3);
  padding:var(--space-2) 0; border-bottom:1px solid var(--border-color-subtle); font-size:.84rem; }
.sum-row:last-child { border-bottom:none; }
.sum-k { color:var(--text-muted); flex:none; }
.sum-v { font-weight:600; text-align:right; word-break:break-word; }

/* --- trang chi tiết --- */
.detail-head { display:flex; align-items:center; justify-content:space-between; gap:var(--space-4);
  flex-wrap:wrap; padding:var(--space-4) var(--space-5); margin-bottom:var(--space-4); }
.detail-name { font-size:1.15rem; font-weight:700; margin-bottom:var(--space-1); }
.detail-meta { display:flex; align-items:center; gap:var(--space-3); flex-wrap:wrap; font-size:.84rem; }
.detail-actions { display:flex; gap:var(--space-2); flex-wrap:wrap; }

/* --- ô số liệu --- */
.metric-foot { font-size:.74rem; color:var(--text-muted); margin-top:var(--space-2); }
.metric-value.sm { font-size:1.05rem; }

/* --- ảnh màn hình --- */
.screenshot-body { display:flex; align-items:center; justify-content:center; min-height:220px; background:#0b0d10; }
.screenshot { max-width:100%; height:auto; display:block; border-radius:var(--radius-sm); }

/* --- bảng khoá/giá trị --- */
.table.kv td { padding:var(--space-2) var(--space-3); font-size:.82rem; }
.kv-k { color:var(--text-muted); white-space:nowrap; width:38%; }
.kv-v { font-family:var(--font-mono); font-size:.78rem; word-break:break-all; }
.sub-head { font-size:.82rem; font-weight:700; text-transform:uppercase; letter-spacing:.05em;
  color:var(--text-muted); margin:var(--space-5) 0 var(--space-3); }

/* --- vùng nguy hiểm --- */
.danger-card { border-color:var(--status-danger); margin-top:var(--space-4); }
.danger-card .card-title { color:var(--status-danger); }
.node-card { margin-bottom:var(--space-4); }
.confirm-text { margin:0; font-size:.9rem; line-height:1.55; }
.modal-title { margin:0; font-size:1rem; font-weight:700; }

/* --- toast --- */
.toast { display:flex; align-items:flex-start; gap:var(--space-3); }
.toast-msg { flex:1; }
.toast-x { background:none; border:none; color:inherit; opacity:.6; font-size:1.1rem;
  line-height:1; cursor:pointer; padding:0 2px; }
.toast-x:hover { opacity:1; }

/* thẻ lựa chọn bị vô hiệu (vd node đang tắt) */
.option-card.disabled { opacity:.5; cursor:not-allowed; background:var(--bg-surface-secondary); }
.option-card.disabled:hover { border-color:var(--border-color); box-shadow:none; transform:none; }

/* --- tab chọn ảnh cài đặt --- */
.img-tabs { margin-bottom:var(--space-4); }
.tab-count { display:inline-block; min-width:18px; padding:0 5px; margin-left:6px;
  background:var(--bg-surface-secondary); border-radius:var(--radius-full);
  font-size:.7rem; font-variant-numeric:tabular-nums; color:var(--text-muted); }
.os-grid, .disk-grid { grid-template-columns:repeat(auto-fill,minmax(170px,1fr)); }
.empty-inline { padding:var(--space-5); text-align:center; font-size:.86rem;
  color:var(--text-secondary); background:var(--bg-surface-secondary);
  border:1px dashed var(--border-color); border-radius:var(--radius-md); line-height:1.6; }

/* --- bảng cấu hình tuỳ chỉnh --- */
.custom-card { border-style:dashed; }
.custom-panel { margin-top:var(--space-4); padding:var(--space-4);
  background:var(--bg-surface-secondary); border:1px solid var(--border-color);
  border-radius:var(--radius-md); }
.val-badge { float:right; font-weight:700; color:var(--do-blue);
  font-variant-numeric:tabular-nums; }
.range-ends { display:flex; justify-content:space-between; font-size:.72rem;
  color:var(--text-muted); margin-top:2px; font-variant-numeric:tabular-nums; }

/* thanh trượt — vẽ lại cho đồng bộ 2 trình duyệt */
.form-range { width:100%; height:4px; margin:var(--space-3) 0 0; padding:0;
  -webkit-appearance:none; appearance:none; background:var(--border-color);
  border-radius:var(--radius-full); cursor:pointer; }
.form-range::-webkit-slider-thumb { -webkit-appearance:none; appearance:none;
  width:18px; height:18px; border-radius:50%; background:var(--do-blue);
  border:2px solid var(--bg-surface); box-shadow:var(--shadow-sm); cursor:grab; }
.form-range::-moz-range-thumb { width:18px; height:18px; border-radius:50%;
  background:var(--do-blue); border:2px solid var(--bg-surface); cursor:grab; }
.form-range:focus-visible { outline:2px solid var(--do-blue); outline-offset:4px; }

/* =====================================================================
   Cảnh báo & xác nhận (dùng ở trang tạo máy và cấu hình máy chủ)
   ===================================================================== */
.alert { border-radius:var(--radius-md); padding:var(--space-4) var(--space-5);
  margin-bottom:var(--space-4); border:1px solid; line-height:1.6; font-size:.87rem; }
.alert-title { font-weight:700; margin-bottom:var(--space-2); font-size:.92rem; }
.alert p { margin:var(--space-2) 0 0; }
.alert-danger { color:var(--status-danger); background:var(--status-danger-bg);
  border-color:var(--status-danger); }
.alert-warn { color:var(--status-pending); background:var(--status-pending-bg);
  border-color:var(--status-pending); }

/* danh sách cảnh báo trong hộp xác nhận — chữ ĐỎ cho nổi bật */
.warn-list { font-size:.87rem; line-height:1.65; }
.warn-list ol, .warn-ul { margin:var(--space-2) 0 0; padding-left:1.25rem; }
.warn-list li { margin-bottom:var(--space-3); }
.warn-ul li { color:var(--status-danger); }
.warn-ul li b { color:var(--status-danger); }
.warn-list code { background:var(--bg-surface-secondary); padding:.1rem .35rem;
  border-radius:var(--radius-sm); font-family:var(--font-mono); font-size:.82em; }

/* bảng thông số trong hộp xác nhận */
.confirm-spec { margin-top:var(--space-4); padding-top:var(--space-3);
  border-top:1px solid var(--border-color); display:flex; flex-direction:column; gap:var(--space-2); }
.confirm-spec > div, .preview-grid > div { display:flex; justify-content:space-between; gap:var(--space-3); }
.pk { color:var(--text-muted); font-size:.82rem; }
.pv { font-weight:600; font-size:.84rem; text-align:right; }

/* hộp xem trước kết quả chia vGPU */
.preview-box { background:var(--bg-surface-secondary); border:1px solid var(--border-color);
  border-radius:var(--radius-md); padding:var(--space-4); }
.preview-head { font-size:.8rem; font-weight:700; text-transform:uppercase;
  letter-spacing:.05em; color:var(--text-muted); margin-bottom:var(--space-3); }
.preview-grid { display:grid; grid-template-columns:1fr 1fr; gap:var(--space-2) var(--space-5); }
@media (max-width:700px){ .preview-grid { grid-template-columns:1fr; } }
.preview-names { margin-top:var(--space-3); padding-top:var(--space-3);
  border-top:1px solid var(--border-color); font-size:.82rem; color:var(--text-secondary); }
.preview-bad { margin-top:var(--space-3); color:var(--status-danger); font-weight:600; font-size:.85rem; }

/* ==========================================================================
   14. Địa chỉ IP + loại ổ đĩa trong bảng Droplets
   ========================================================================== */
.ip-cell { display:flex; flex-direction:column; gap:2px; align-items:flex-start; }
.ip {
  font-family: var(--font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  font-size:.8rem; line-height:1.35; cursor:pointer; border-radius:3px;
  padding:1px 4px; margin-left:-4px; transition:background-color .12s ease;
}
.ip:hover { background-color: var(--do-blue-light); }
.ip-v4 { color: var(--text-primary); font-weight:600; }
.ip-v6 { color: var(--text-secondary); font-size:.74rem; }
.ip-hint { font-size:.76rem; border-bottom:1px dotted currentColor; cursor:help; }

.media-badge {
  display:inline-flex; align-items:center; gap:5px; white-space:nowrap;
  padding:2px 8px; border-radius:999px; font-size:.72rem; font-weight:700;
  letter-spacing:.01em; border:1px solid transparent;
}
.media-nvme { color:var(--status-info);    background:var(--status-info-bg);    border-color:var(--status-info); }
.media-ssd  { color:var(--status-running); background:var(--status-running-bg); border-color:var(--status-running); }
.media-hdd  { color:var(--status-stopped); background:var(--status-stopped-bg); border-color:var(--status-stopped); }

/* ==========================================================================
   15. Thước đo cấp phát vCPU (chế độ chia sẻ CPU nhàn rỗi)
   ========================================================================== */
.cpu-meter {
  margin-top: var(--space-4); padding: var(--space-4);
  border:1px solid var(--border-color); border-left-width:3px;
  border-radius: var(--radius-md); background: var(--bg-surface-secondary);
}
.cpu-meter:empty { display:none; }
.cpu-ok     { border-left-color: var(--status-running); }
.cpu-warn   { border-left-color: var(--status-pending); background: var(--status-pending-bg); }
.cpu-danger { border-left-color: var(--status-danger);  background: var(--status-danger-bg); }

.cpu-meter-head { display:flex; justify-content:space-between; align-items:baseline;
  gap:var(--space-3); flex-wrap:wrap; margin-bottom:var(--space-2); }
.cpu-meter-label { font-size:.82rem; color:var(--text-secondary); font-weight:600; }
.cpu-meter-val { font-size:1.05rem; font-weight:800; font-variant-numeric:tabular-nums; }
.cpu-ok     .cpu-meter-val { color: var(--status-running); }
.cpu-warn   .cpu-meter-val { color: var(--status-pending); }
.cpu-danger .cpu-meter-val { color: var(--status-danger); }

.cpu-bar { position:relative; height:10px; border-radius:999px; overflow:hidden;
  background: var(--bg-surface); border:1px solid var(--border-color); display:flex; }
.cpu-bar-used { background: var(--text-secondary); height:100%; }
.cpu-bar-new  { height:100%; }
.cpu-ok     .cpu-bar-new { background: var(--status-running); }
.cpu-warn   .cpu-bar-new { background: var(--status-pending); }
.cpu-danger .cpu-bar-new { background: var(--status-danger); }
/* Vạch mốc 100% số nhân thật — nằm giữa vì thanh vẽ theo thang 2x */
.cpu-bar-mark { position:absolute; top:-2px; bottom:-2px; width:2px;
  background: var(--text-primary); opacity:.55; }

.cpu-meter-legend { display:flex; gap:var(--space-4); flex-wrap:wrap;
  margin-top:var(--space-2); font-size:.76rem; color:var(--text-secondary); }
.cpu-meter-legend .sw { display:inline-block; width:9px; height:9px; border-radius:2px;
  margin-right:4px; vertical-align:baseline; }
.sw-used { background: var(--text-secondary); }
.cpu-ok     .sw-new { background: var(--status-running); }
.cpu-warn   .sw-new { background: var(--status-pending); }
.cpu-danger .sw-new { background: var(--status-danger); }
.cpu-meter-note { margin-top:var(--space-3); font-size:.82rem; line-height:1.55;
  color: var(--text-secondary); }
.cpu-danger .cpu-meter-note, .cpu-warn .cpu-meter-note { color: var(--text-primary); }

/* ==========================================================================
   16. Marketplace (ứng dụng dựng sẵn + Docker Hub)
   ========================================================================== */
.mk-note { padding:var(--space-3) var(--space-4); margin-bottom:var(--space-3);
  border:1px solid var(--do-blue-border); background:var(--do-blue-light);
  border-radius:var(--radius-md); font-size:.84rem; line-height:1.55; }
.mk-ssh-alert { margin-bottom: var(--space-4); }

.mk-filter { display:flex; gap:var(--space-2); flex-wrap:wrap; margin-bottom:var(--space-3); }
.chip {
  padding:5px 12px; border-radius:999px; cursor:pointer; font-size:.79rem; font-weight:600;
  border:1px solid var(--border-color); background:var(--bg-surface);
  color:var(--text-secondary); transition:all .12s ease;
}
.chip:hover { border-color:var(--do-blue); color:var(--do-blue); }
.chip.active { background:var(--do-blue); border-color:var(--do-blue); color:#fff; }

.mk-grid { display:grid; gap:var(--space-4);
  grid-template-columns:repeat(auto-fill, minmax(268px, 1fr)); }
.mk-card { margin-bottom:0; display:flex; }
.mk-card .card-body { display:flex; flex-direction:column; width:100%; }
.mk-card-top { display:flex; justify-content:space-between; align-items:flex-start;
  gap:var(--space-2); margin-bottom:var(--space-2); }
.mk-title { font-size:.95rem; font-weight:700; margin:0; }
.mk-desc { font-size:.82rem; line-height:1.55; color:var(--text-secondary);
  margin:0 0 var(--space-3); flex:1; }
.mk-meta { display:flex; justify-content:space-between; gap:var(--space-2);
  font-size:.74rem; flex-wrap:wrap; }
.mk-ports { display:flex; gap:5px; flex-wrap:wrap; margin-top:var(--space-2); }
.port-chip { font-size:.7rem; font-weight:600; padding:1px 7px; border-radius:3px;
  background:var(--bg-surface-secondary); border:1px solid var(--border-color);
  color:var(--text-secondary);
  font-family:var(--font-mono, ui-monospace, SFMono-Regular, Menlo, monospace); }

.mk-search { display:flex; gap:var(--space-2); }
.mk-search .form-input { flex:1; }

/* Thẻ ứng dụng bên trong wizard tạo máy */
.app-grid { grid-template-columns:repeat(auto-fill, minmax(220px, 1fr)); }
.app-card { position:relative; }
.app-cat { font-size:.68rem; font-weight:700; text-transform:uppercase;
  letter-spacing:.05em; color:var(--do-blue); margin-bottom:var(--space-1); }
.app-desc { display:-webkit-box; -webkit-line-clamp:3; line-clamp:3;
  -webkit-box-orient:vertical; overflow:hidden; }
.app-foot { display:flex; flex-direction:column; gap:2px; margin-top:var(--space-2);
  font-size:.7rem; }
.app-foot .mono { word-break:break-all; }

/* Hộp lệnh triển khai trong hộp thoại */
.dep-block { margin-top:var(--space-4); }
.dep-head { display:flex; justify-content:space-between; align-items:center;
  font-size:.8rem; font-weight:700; margin-bottom:var(--space-2); }
.code-box {
  margin:0; padding:var(--space-3); border-radius:var(--radius-md);
  background:var(--bg-surface-secondary); border:1px solid var(--border-color);
  font-family:var(--font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
  font-size:.76rem; line-height:1.6; color:var(--text-primary);
  overflow-x:auto; white-space:pre; max-height:280px; overflow-y:auto;
}

/* ==========================================================================
   17. Bật máy chủ từ xa (Wake-on-LAN) ở trang Hạ tầng
   ========================================================================== */
.node-head-right { display:flex; align-items:center; gap:var(--space-3); }
.node-off-note { margin-bottom:var(--space-4); }
.wake-btn:disabled { opacity:.75; cursor:progress; }

/* ==========================================================================
   18. Bộ chuyển chế độ card đồ hoạ (chia vGPU ⇄ passthrough nguyên card)
   ========================================================================== */
.mode-switch { display:grid; grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));
  gap:var(--space-3); }
.mode-opt {
  display:flex; flex-direction:column; gap:var(--space-1); text-align:left;
  padding:var(--space-4); cursor:pointer; font:inherit; color:var(--text-primary);
  background:var(--bg-surface); border:2px solid var(--border-color);
  border-radius:var(--radius-lg); transition:border-color .15s ease, background-color .15s ease;
}
.mode-opt:hover { border-color:var(--do-blue); background:var(--bg-surface-hover); }
.mode-opt.active { border-color:var(--do-blue); background:var(--do-blue-light); }
.mode-opt:focus-visible { outline:none; box-shadow:var(--shadow-focus); }
.mode-ico { font-size:1.4rem; line-height:1; }
.mode-name { font-weight:700; font-size:.95rem; }
.mode-opt.active .mode-name { color:var(--do-blue); }
.mode-desc { font-size:.8rem; line-height:1.5; color:var(--text-secondary); }

/* --- bảng thiết bị + máy ảo giữ card ở chế độ passthrough --- */
.pt-gpu { margin-bottom:var(--space-4); }
.pt-gpu-head { display:flex; align-items:center; gap:var(--space-3); flex-wrap:wrap;
  margin-bottom:var(--space-2); }
.pt-gpu-name { font-weight:700; }
.pt-func-head { font-size:.82rem; color:var(--text-secondary); margin-bottom:var(--space-2); }
.pt-holder { display:flex; flex-direction:column; gap:var(--space-2); }
.pt-holder-row { display:flex; align-items:center; justify-content:space-between;
  gap:var(--space-3); padding:var(--space-3) var(--space-4);
  border:1px solid var(--border-color); border-radius:var(--radius-md);
  background:var(--bg-surface-secondary); }
.pt-holder-row .sm { font-size:.74rem; }
.pt-state { display:flex; align-items:center; justify-content:space-between;
  gap:var(--space-3); flex-wrap:wrap; }