/* =====================
   Variables & Reset
   ===================== */
:root {
  --bg: #0a0f1e;
  --bg-card: #111827;
  --bg-card-hover: #1a2236;
  --border: #1e2d45;
  --border-hover: #2d4a6e;
  --accent: #0ea5e9;
  --accent-hover: #38bdf8;
  --accent-glow: rgba(14, 165, 233, 0.2);
  --text-primary: #f0f6ff;
  --text-secondary: #8ba3c0;
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.1);
  --warning: #f59e0b;
  --font: 'Segoe UI', system-ui, sans-serif;
  --radius: 12px;
  --radius-lg: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse at 20% 20%, rgba(14,165,233,0.05) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 80%, rgba(14,165,233,0.03) 0%, transparent 60%);
}

/* =====================
   Header
   ===================== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 22px;
  color: var(--accent);
  filter: drop-shadow(0 0 8px var(--accent));
}

.logo-text {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-primary);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

#user-name {
  font-size: 13px;
  color: var(--text-secondary);
}

#btn-logout {
  font-size: 12px;
  padding: 6px 14px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

#btn-logout:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

/* =====================
   Screens
   ===================== */
.screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 40px;
}

.hidden { display: none !important; }

/* =====================
   Login
   ===================== */
.login-box {
  text-align: center;
  max-width: 420px;
  padding: 48px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 60px rgba(14, 165, 233, 0.06);
}

.login-icon {
  font-size: 48px;
  color: var(--accent);
  filter: drop-shadow(0 0 16px var(--accent));
  margin-bottom: 24px;
}

.login-box h1 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.login-box p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 32px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 28px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 30px rgba(14, 165, 233, 0.35);
  transform: translateY(-1px);
}

/* =====================
   Loading
   ===================== */
.loading-box {
  text-align: center;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-box p {
  color: var(--text-secondary);
  font-size: 14px;
}

/* =====================
   Dashboard
   ===================== */
.dashboard-inner {
  max-width: 800px;
  width: 100%;
}

.dashboard-header {
  margin-bottom: 32px;
}

.dashboard-header h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.dashboard-header p {
  color: var(--text-secondary);
  font-size: 14px;
}

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

.vm-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}

.vm-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.25s;
}

.vm-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 20px var(--accent-glow);
}

.vm-card:hover::before {
  opacity: 1;
}

.vm-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}

.vm-card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.vm-card-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

.vm-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 500;
  white-space: nowrap;
}

.vm-status.stopped {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.vm-status.running {
  background: var(--success-bg);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.vm-status.loading {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.vm-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.vm-status.running .vm-status-dot {
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.vm-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.vm-id-badge {
  font-size: 11px;
  color: var(--text-secondary);
  font-family: 'Courier New', monospace;
  background: rgba(255,255,255,0.04);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.btn-start {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 20px;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-start:hover:not(:disabled) {
  background: var(--accent);
  color: white;
  box-shadow: 0 0 16px var(--accent-glow);
}

.btn-start:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-start.starting {
  border-color: var(--warning);
  color: var(--warning);
}

/* =====================
   No Access
   ===================== */
.no-access {
  text-align: center;
  padding: 60px 20px;
}

.no-access span {
  font-size: 48px;
  display: block;
  margin-bottom: 16px;
}

.no-access p {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 8px;
}

.no-access small {
  color: var(--text-secondary);
  font-size: 13px;
}

/* =====================
   Toast
   ===================== */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 20px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  z-index: 999;
  animation: slideIn 0.3s ease;
  max-width: 360px;
}

.toast.success {
  background: var(--success-bg);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.toast.error {
  background: var(--error-bg);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.info-banner {
  margin-top: 12px;
  padding: 10px 16px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 8px;
  color: var(--warning);
  font-size: 13px;
}