:root, [data-theme="dark"] {
  --bg-primary: #0a0d14;
  --bg-secondary: #121722;
  --bg-card: #182030;
  --bg-card-hover: #1e293d;
  --border-color: #26334d;
  --border-active: #3b82f6;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-yellow: #f59e0b;
  --accent-purple: #8b5cf6;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --gate-overlay-bg: rgba(10, 13, 20, 0.96);
  --user-msg-bg: #1e3a8a;
  --user-msg-border: #3b82f6;
  --user-msg-text: #ffffff;
  --user-msg-meta: #93c5fd;
  --blocked-msg-bg: rgba(239, 68, 68, 0.15);
  --blocked-msg-border: #ef4444;
  --blocked-msg-text: #fca5a5;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #f1f5f9;
  --bg-card-hover: #e2e8f0;
  --border-color: #cbd5e1;
  --border-active: #2563eb;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --accent-blue: #2563eb;
  --accent-green: #059669;
  --accent-red: #dc2626;
  --accent-yellow: #d97706;
  --accent-purple: #7c3aed;
  --gate-overlay-bg: rgba(248, 250, 252, 0.96);
  --user-msg-bg: #2563eb;
  --user-msg-border: #1d4ed8;
  --user-msg-text: #ffffff;
  --user-msg-meta: #dbeafe;
  --blocked-msg-bg: #fee2e2;
  --blocked-msg-border: #f87171;
  --blocked-msg-text: #991b1b;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
}

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

/* Header */
.header {
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  padding: 1.25rem 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.status-dot {
  width: 12px;
  height: 12px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

.logo-title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-link, .btn-download {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.btn-link {
  background-color: #0a66c2;
  color: #ffffff;
  border: 1px solid #0a66c2;
}

.btn-link:hover {
  background-color: #004182;
}

.btn-download {
  background-color: var(--accent-green);
  color: #0a0d14;
  border: 1px solid var(--accent-green);
}

.btn-download:hover {
  background-color: #059669;
  color: #ffffff;
}

.btn-download-lg {
  padding: 0.6rem 1.1rem;
  font-size: 0.85rem;
}

.resume-header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
}

.badges {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
}

.badge-k8s { color: #60a5fa; border-color: #2563eb; }
.badge-guardrail { color: #34d399; border-color: #059669; }
.badge-gemini { color: #c084fc; border-color: #7c3aed; }

/* Navigation */
.nav-bar {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-container {
  display: flex;
  gap: 0.5rem;
}

.nav-tab {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.9rem 1.25rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.nav-tab:hover {
  color: var(--text-primary);
}

.nav-tab.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
}

/* Main Content */
.main-content {
  padding-top: 2rem;
  padding-bottom: 3rem;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* Chat Layout */
.chat-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .chat-layout {
    grid-template-columns: 1fr;
  }
}

.chat-card, .inspector-card, .resume-card, .telemetry-dashboard, .events-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.card-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
}

.shield-tag, .active-tag {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-green);
  background-color: rgba(16, 185, 129, 0.1);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

/* Chat Messages */
.chat-messages {
  height: 380px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-right: 0.5rem;
  margin-bottom: 1rem;
}

.message {
  padding: 0.9rem 1.1rem;
  border-radius: 10px;
  max-width: 85%;
  line-height: 1.5;
  font-size: 0.95rem;
}

.message-user {
  background-color: var(--user-msg-bg);
  border: 1px solid var(--user-msg-border);
  color: var(--user-msg-text);
  align-self: flex-end;
}

.message-user .message-meta {
  color: var(--user-msg-meta);
}

.message-bot {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  align-self: flex-start;
}

.message-blocked {
  background-color: var(--blocked-msg-bg);
  border: 1px solid var(--blocked-msg-border);
  color: var(--blocked-msg-text);
  align-self: flex-start;
}

.message-blocked .message-meta {
  color: var(--blocked-msg-text);
}

.message-meta {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

/* Suggestions & Adversarial */
.prompt-suggestions, .adversarial-box {
  margin-bottom: 1rem;
}

.suggestion-title, .adversarial-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
}

.chip {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.8rem;
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  cursor: pointer;
  margin: 0 0.4rem 0.4rem 0;
  transition: all 0.15s ease;
}

.chip:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-active);
}

.chip-attack {
  border-color: rgba(239, 68, 68, 0.4);
  color: #f87171;
  background-color: rgba(239, 68, 68, 0.08);
}

.chip-attack:hover {
  background-color: rgba(239, 68, 68, 0.2);
  border-color: var(--accent-red);
  color: #fecaca;
}

/* Input Bar */
.chat-input-bar {
  display: flex;
  gap: 0.5rem;
}

.chat-input-bar input {
  flex: 1;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
}

.chat-input-bar input:focus {
  border-color: var(--accent-blue);
}

.send-btn {
  background-color: var(--accent-blue);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
}

.send-btn:hover {
  background-color: #2563eb;
}

/* Pipeline Inspector */
.pipeline-steps {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.pipeline-step {
  display: flex;
  gap: 0.75rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem;
}

.step-icon {
  font-size: 1.2rem;
  line-height: 1;
}

.step-info h4 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.step-info p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Resume Styling */
.resume-header h2 {
  font-size: 1.8rem;
  font-weight: 700;
}

.role-highlight {
  color: var(--accent-blue);
  font-weight: 600;
  margin-top: 0.2rem;
}

.meta-links {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

.divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 1.5rem 0;
}

.resume-section {
  margin-bottom: 2rem;
}

.resume-section h3 {
  font-size: 1.2rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.4rem;
  margin-bottom: 1rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.skill-category {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
}

.skill-category h4 {
  font-size: 0.95rem;
  color: var(--accent-blue);
  margin-bottom: 0.5rem;
}

.skill-category ul {
  list-style: none;
}

.skill-category li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.skill-category li::before {
  content: "▹ ";
  color: var(--accent-blue);
}

.project-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.project-box h4 {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.project-box p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Telemetry Dashboard */
.telemetry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.25rem;
  text-align: center;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.3rem;
}

.stat-card-success .stat-num { color: var(--accent-green); }
.stat-card-danger .stat-num { color: var(--accent-red); }
.stat-card-warning .stat-num { color: var(--accent-yellow); }

.live-pulse {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-green);
}

.events-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 260px;
  overflow-y: auto;
}

.event-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-card);
  border-left: 3px solid var(--accent-red);
  padding: 0.6rem 0.8rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.event-type {
  font-weight: 600;
  color: var(--accent-red);
}

.event-time {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.event-placeholder {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.9rem;
  text-align: center;
  padding: 1.5rem 0;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 1rem;
}

.theme-toggle-btn:hover {
  border-color: var(--border-active);
  background: var(--bg-card-hover);
}

/* Password Gate Overlay (Access Barrier) */
.password-gate {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: var(--gate-overlay-bg);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.password-gate.hidden {
  display: none !important;
}

.gate-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  width: 100%;
  max-width: 440px;
  padding: 2.25rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  text-align: center;
}

.gate-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.gate-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.gate-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.gate-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.gate-input {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  text-align: center;
  letter-spacing: 0.1em;
  outline: none;
}

.gate-input:focus {
  border-color: var(--accent-blue);
}

.gate-submit {
  background: var(--accent-blue);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  padding: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
}

.gate-submit:hover {
  background: #2563eb;
}

.gate-error {
  color: var(--accent-red);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  margin-top: 0.5rem;
  min-height: 1.2rem;
}