/* Security Lab Portal Stylesheet - Modern Dark Cyber Range */
:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111927;
  --bg-card: #162032;
  --border-color: #24344d;
  --text-main: #e2e8f0;
  --text-muted: #8fa0b5;
  --accent-cyan: #00d2ff;
  --accent-green: #00ff9d;
  --accent-red: #ff4a6e;
  --accent-yellow: #ffb800;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100vh;
}

code, pre {
  font-family: var(--font-mono);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0.85rem 1.75rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-icon {
  font-size: 1.3rem;
  color: var(--accent-cyan);
}

.brand-title {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: #fff;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-card);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
}

.user-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

.user-status-dot.vpn-connected {
  background-color: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

.user-status-dot.vpn-waiting {
  background-color: var(--accent-amber);
  box-shadow: 0 0 8px var(--accent-amber);
  animation: pulse-dot 2s infinite ease-in-out;
}

.user-status-dot.vpn-inactive {
  background-color: var(--text-muted);
  box-shadow: none;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.vpn-badge-wrapper {
  margin-left: 0.35rem;
}

.user-subnet {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding-left: 0.4rem;
  border-left: 1px solid var(--border-color);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-accent {
  background-color: rgba(0, 210, 255, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 210, 255, 0.4);
}

.badge-success {
  background-color: rgba(0, 255, 157, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(0, 255, 157, 0.4);
}

.badge-warning {
  background-color: rgba(255, 184, 0, 0.15);
  color: var(--accent-yellow);
  border: 1px solid rgba(255, 184, 0, 0.4);
}

.badge-secondary {
  background-color: rgba(143, 160, 181, 0.15);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.badge-category {
  background-color: rgba(0, 210, 255, 0.1);
  color: var(--accent-cyan);
}

.badge-port {
  background-color: var(--bg-primary);
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Panels */
.panel {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 2rem;
  overflow: hidden;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
}

.panel-body {
  padding: 1.5rem;
}

/* Grid */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Cards */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1.25rem;
}

.detail-card h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
  color: var(--accent-cyan);
}

.param-group {
  margin-bottom: 1rem;
}

.param-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.copy-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.4rem 0.75rem;
}

.copy-box code {
  color: var(--accent-green);
  font-size: 0.9rem;
}

.tag {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.timer-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-yellow);
}

/* Action buttons */
.action-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: #0284c7;
  color: #fff;
}

.btn-primary:hover {
  background-color: #0369a1;
}

.btn-danger {
  background-color: rgba(255, 74, 110, 0.2);
  color: var(--accent-red);
  border: 1px solid rgba(255, 74, 110, 0.4);
}

.btn-danger:hover {
  background-color: rgba(255, 74, 110, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  color: var(--text-main);
  border-color: var(--text-muted);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 0.25rem 0.65rem;
  font-size: 0.8rem;
}

.btn-xs {
  padding: 0.15rem 0.45rem;
  font-size: 0.75rem;
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 210, 255, 0.3);
  border-radius: 3px;
  cursor: pointer;
}

.btn-xs:hover {
  background-color: rgba(0, 210, 255, 0.15);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* QR Card */
.qr-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.qr-container {
  background: #fff;
  padding: 0.75rem;
  border-radius: 6px;
  margin: 0.75rem 0;
  display: inline-block;
}

.qr-container img {
  width: 180px;
  height: 180px;
  display: block;
}

.qr-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.config-details {
  width: 100%;
  text-align: left;
}

.config-details summary {
  cursor: pointer;
  color: var(--accent-cyan);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.code-wrapper {
  position: relative;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.75rem;
  max-height: 140px;
  overflow-y: auto;
}

.code-wrapper pre {
  font-size: 0.75rem;
  color: var(--text-main);
  white-space: pre-wrap;
  word-break: break-all;
}

.config-actions {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  display: flex;
  gap: 0.4rem;
}

/* Instruction Card */
.instruction-card {
  margin-top: 1.5rem;
}

.instruction-card h4 {
  font-size: 0.95rem;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.quick-commands pre {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.85rem;
  font-size: 0.85rem;
  color: var(--accent-green);
  overflow-x: auto;
}

/* Empty & Provisioning States */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.empty-state h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border-color);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1.5rem auto;
}

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

/* Challenge Card */
.challenge-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.challenge-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.challenge-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.challenge-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.challenge-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.ttl-select-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.ttl-select-group label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.select-ttl {
  background-color: var(--bg-primary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.3rem 0.5rem;
  font-size: 0.85rem;
}

/* Login Page */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at center, #111a2e 0%, var(--bg-primary) 100%);
}

.login-container {
  width: 100%;
  max-width: 420px;
  padding: 1.5rem;
}

.login-card {
  padding: 2rem;
  border-color: #2b3d5b;
}

.logo-area {
  text-align: center;
  margin-bottom: 1.75rem;
}

.terminal-prompt {
  font-family: var(--font-mono);
  color: var(--accent-green);
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
}

.login-card h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.form-group input {
  width: 100%;
  padding: 0.7rem 0.85rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 8px rgba(0, 210, 255, 0.25);
}

.card-footer {
  margin-top: 1.5rem;
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.alert-danger {
  background-color: rgba(255, 74, 110, 0.15);
  border: 1px solid rgba(255, 74, 110, 0.4);
  color: var(--accent-red);
  padding: 0.65rem 0.85rem;
  border-radius: 4px;
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}

.hidden {
  display: none !important;
}