/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --vultr: #007BFC;
  --vultr-dark: #005ecb;
  --bg: #f0f2f5;
  --card-bg: #fff;
  --text: #1a1a2e;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --gray: #9ca3af;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
}
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }

/* ─── Header ─── */
header { background: var(--vultr); color: #fff; padding: 0 24px; height: 56px; display: flex; align-items: center; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 4px rgba(0,0,0,0.15); }
.header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; max-width: 1200px; margin: 0 auto; }
header h1 { font-size: 18px; font-weight: 600; letter-spacing: -0.3px; }
#nav-actions { display: flex; gap: 8px; }

/* ─── Buttons ─── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border: none; border-radius: var(--radius); font-size: 13px; font-weight: 500; cursor: pointer; transition: all 0.15s; text-decoration: none; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: #fff; color: var(--vultr); }
.btn-primary:hover:not(:disabled) { background: #e8f0fd; }
.btn-action { background: var(--vultr); color: #fff; }
.btn-action:hover:not(:disabled) { background: var(--vultr-dark); }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover:not(:disabled) { background: #dc2626; }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover:not(:disabled) { background: #f9fafb; border-color: var(--gray); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { padding: 6px 8px; }

/* ─── Main ─── */
main { max-width: 1200px; margin: 0 auto; padding: 24px; }

/* ─── Dashboard ─── */
.dashboard-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.dashboard-header h2 { font-size: 20px; font-weight: 600; }
.refresh-info { font-size: 12px; color: var(--text-muted); }

/* ─── VM Grid ─── */
.vm-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 16px; }

/* ─── VM Card ─── */
.vm-card { background: var(--card-bg); border-radius: var(--radius); border: 1px solid var(--border); padding: 20px; box-shadow: var(--shadow); transition: box-shadow 0.2s; }
.vm-card:hover { box-shadow: var(--shadow-lg); }
.vm-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.vm-card-name { font-size: 16px; font-weight: 600; color: var(--text); }
.vm-card-info { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.vm-info-row { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); }
.vm-info-row .label { min-width: 55px; font-weight: 500; }
.vm-info-row .value { color: var(--text); font-family: 'Consolas', 'Courier New', monospace; font-size: 12px; word-break: break-all; }
.vm-card-actions { display: flex; gap: 6px; flex-wrap: wrap; border-top: 1px solid var(--border); padding-top: 12px; }

/* ─── Status Badge ─── */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; }
.badge::before { content: ''; width: 7px; height: 7px; border-radius: 50%; }
.badge-running { background: #dcfce7; color: #15803d; }
.badge-running::before { background: var(--green); }
.badge-stopped { background: #fef3c7; color: #92400e; }
.badge-stopped::before { background: var(--amber); }
.badge-pending { background: #e0e7ff; color: #3730a3; }
.badge-pending::before { background: #6366f1; animation: pulse 1s infinite; }
.badge-unknown { background: #f3f4f6; color: #6b7280; }
.badge-unknown::before { background: var(--gray); }

/* ─── Empty State ─── */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty-state svg { width: 64px; height: 64px; margin-bottom: 16px; opacity: 0.4; }
.empty-state h3 { font-size: 18px; margin-bottom: 8px; color: var(--text); }
.empty-state p { font-size: 14px; margin-bottom: 20px; }

/* ─── Create Form ─── */
.create-view { max-width: 560px; margin: 0 auto; }
.create-view h2 { font-size: 20px; font-weight: 600; margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; color: var(--text); }
.form-group label .required { color: var(--red); }
.form-group input, .form-group select { width: 100%; height: 40px; padding: 0 12px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 14px; color: var(--text); background: #fff; transition: border-color 0.15s; }
.form-group input[type="checkbox"] { width: auto; height: auto; }
.form-group input[type="number"] { width: 100px; }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--vultr); box-shadow: 0 0 0 3px rgba(0,123,252,0.15); }
.form-group .hint { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.password-row { display: flex; gap: 8px; }
.password-row input { flex: 1; }
.form-actions { display: flex; gap: 12px; margin-top: 24px; }

/* ─── Progress Tracker ─── */
.progress-view { max-width: 600px; margin: 0 auto; }
.progress-view h2 { font-size: 20px; font-weight: 600; margin-bottom: 24px; }
.progress-steps { display: flex; flex-direction: column; gap: 0; }
.progress-step { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-left: 3px solid var(--border); position: relative; }
.progress-step.done { border-left-color: var(--green); }
.progress-step.active { border-left-color: var(--vultr); background: #f0f5ff; }
.step-indicator { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; flex-shrink: 0; }
.step-indicator.pending { background: #f3f4f6; color: var(--gray); }
.step-indicator.active { background: var(--vultr); color: #fff; }
.step-indicator.done { background: var(--green); color: #fff; }
.step-label { font-size: 14px; font-weight: 500; }
.step-detail { font-size: 12px; color: var(--text-muted); margin-top: 2px; word-break: break-all; }
.progress-elapsed { text-align: center; margin-top: 16px; font-size: 13px; color: var(--text-muted); }

/* ─── Spinner ─── */
.spinner { width: 16px; height: 16px; border: 2px solid #e5e7eb; border-top-color: var(--vultr); border-radius: 50%; animation: spin 0.6s linear infinite; display: inline-block; }
.spinner-sm { width: 12px; height: 12px; border-width: 1.5px; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ─── Success View ─── */
.success-view { max-width: 600px; margin: 0 auto; text-align: center; }
.success-icon { width: 64px; height: 64px; background: var(--green); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; color: #fff; font-size: 28px; }
.success-view h2 { font-size: 22px; font-weight: 600; margin-bottom: 24px; color: var(--green); }
.success-details { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; text-align: left; }
.success-details .detail-row-header { font-size: 15px; font-weight: 600; margin-bottom: 10px; color: var(--vultr); border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.success-details .detail-row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid #f3f4f6; font-size: 13px; }
.success-details .detail-row:last-of-type { border-bottom: none; }
.success-details .detail-label { color: var(--text-muted); }
.success-details .detail-value { font-weight: 500; font-family: 'Consolas', monospace; font-size: 12px; word-break: break-all; }
.success-elapsed { margin: 16px 0; font-size: 13px; color: var(--text-muted); }
.success-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ─── Modal ─── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; z-index: 1000; backdrop-filter: blur(2px); }
.modal-overlay.hidden { display: none; }
.modal { background: var(--card-bg); border-radius: 12px; padding: 24px; width: 90%; max-width: 440px; box-shadow: var(--shadow-lg); max-height: 80vh; overflow-y: auto; }
.modal h3 { font-size: 18px; font-weight: 600; margin-bottom: 16px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; }

/* ─── Toast ─── */
#toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 2000; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 12px 20px; border-radius: var(--radius); font-size: 13px; font-weight: 500; color: #fff; box-shadow: var(--shadow-lg); animation: slideIn 0.3s ease; max-width: 400px; }
.toast-success { background: #15803d; }
.toast-error { background: #dc2626; }
.toast-info { background: var(--vultr); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ─── Loading ─── */
.loading-full { display: flex; align-items: center; justify-content: center; padding: 60px; color: var(--text-muted); font-size: 14px; }

/* ─── OS Type Toggle ─── */
.os-type-toggle { display: flex; gap: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.os-toggle-btn { flex: 1; padding: 10px 16px; border: none; background: #fff; font-size: 14px; font-weight: 500; cursor: pointer; transition: all 0.15s; color: var(--text-muted); }
.os-toggle-btn:first-child { border-right: 1px solid var(--border); }
.os-toggle-btn.active { background: var(--vultr); color: #fff; }
.os-toggle-btn:hover:not(.active) { background: #f0f5ff; }

/* ─── OS Tag (card indicator) ─── */
.os-tag { display: inline-flex; align-items: center; justify-content: center; padding: 2px 6px; border-radius: 4px; font-size: 10px; font-weight: 700; letter-spacing: 0.5px; }
.os-windows { background: #dbeafe; color: #1d4ed8; }
.os-linux { background: #fef3c7; color: #92400e; }

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .vm-grid { grid-template-columns: 1fr; }
  main { padding: 16px; }
  .dashboard-header { flex-direction: column; align-items: flex-start; }
}