:root {
  --bg: #060913;
  --card: #0E1626;
  --border: #1E293B;
  --accent: #38BDF8;
  --accent-glow: rgba(56, 189, 248, 0.45);
  --text: #F8FAFC;
  --text-muted: #94A3B8;
  --green: #10B981;
  --green-glow: rgba(16, 185, 129, 0.6);
  --amber: #F59E0B;
}

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

body {
  font-family: 'Google Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0284C7, #38BDF8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
  box-shadow: 0 0 16px var(--accent-glow);
}

.brand-titles h1 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.brand-titles p {
  font-size: 12px;
  color: var(--text-muted);
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-size: 12px;
  color: #34D399;
  font-weight: 500;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10B981;
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
}

.portal-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 850px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 20px 16px 20px;
  overflow: hidden;
}

/* Live Multimodal Voice Stage */
.voice-stage {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.5);
  position: relative;
  margin-bottom: 16px;
}

.orb {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: radial-gradient(circle, #38BDF8 0%, #0284C7 60%, #060913 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 0 30px var(--accent-glow);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}

.orb:hover {
  transform: scale(1.05);
  box-shadow: 0 0 45px rgba(56, 189, 248, 0.7);
}

.orb.connecting {
  background: radial-gradient(circle, #38BDF8 0%, #0284C7 60%, #060913 100%);
  box-shadow: 0 0 40px var(--accent-glow);
  animation: liveConnecting 0.8s infinite alternate;
  cursor: wait;
}

@keyframes liveConnecting {
  from { transform: scale(0.96); opacity: 0.8; }
  to { transform: scale(1.06); opacity: 1; }
}

.orb.connected {
  background: radial-gradient(circle, #10B981 0%, #059669 65%, #060913 100%);
  box-shadow: 0 0 40px var(--green-glow);
  animation: liveListen 2s infinite alternate;
}

.orb.speaking {
  background: radial-gradient(circle, #F59E0B 0%, #D97706 65%, #060913 100%);
  box-shadow: 0 0 50px rgba(245, 158, 11, 0.8);
  animation: liveSpeak 0.7s infinite alternate;
}

@keyframes liveListen {
  from { transform: scale(1); }
  to { transform: scale(1.06); }
}

@keyframes liveSpeak {
  from { transform: scale(1); }
  to { transform: scale(1.12); }
}

.state-title {
  margin-top: 14px;
  font-size: 16px;
  font-weight: 600;
  color: #FFFFFF;
}

.state-subtitle {
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

.waveform {
  display: flex;
  gap: 4px;
  align-items: center;
  height: 18px;
  margin-top: 12px;
}

.bar {
  width: 4px;
  height: 6px;
  background: var(--accent);
  border-radius: 2px;
  transition: height 0.1s ease;
}

/* Real-time Activity Stream */
.activity-stream {
  flex: 1;
  overflow-y: auto;
  padding-right: 6px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.activity-stream::-webkit-scrollbar { width: 5px; }
.activity-stream::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.chat-bubble {
  padding: 10px 16px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.5;
  max-width: 84%;
  word-break: break-word;
}

.chat-bubble.agent {
  background: var(--card);
  border: 1px solid var(--border);
  align-self: flex-start;
  color: var(--text);
}

.chat-bubble.user {
  background: #0284C7;
  align-self: flex-end;
  color: white;
}

.chat-bubble a {
  color: var(--accent);
  text-decoration: underline;
}

/* Action Result Cards */
.chat-bubble.action-card {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #F8FAFC;
  border-radius: 16px;
  padding: 12px 18px;
  font-size: 13px;
  line-height: 1.6;
  max-width: 88%;
  align-self: flex-start;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.action-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 14px;
  color: #34D399;
  margin-bottom: 4px;
}

.action-card-body {
  margin-top: 4px;
  color: #E2E8F0;
}

/* Approval Card (HITL Guardrail Theme) */
.chat-bubble.action-card.approval-card {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.45);
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.15);
}

.chat-bubble.action-card.approval-card .action-card-header {
  color: #FBBF24;
}

.approval-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.approval-btn {
  padding: 8px 16px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.approve-btn {
  background: #10B981;
  color: white;
  border: none;
  box-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
}

.approve-btn:hover {
  background: #059669;
  transform: translateY(-1px);
}

.draft-link-btn {
  background: rgba(255, 255, 255, 0.08);
  color: var(--accent);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.draft-link-btn:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--accent);
}

.approval-status-hint {
  margin-top: 8px;
  font-size: 11px;
  color: #FCD34D;
  font-style: italic;
}

/* Hybrid Input Bar */
.input-bar {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.input-bar input {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 12px 20px;
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border 0.2s;
}

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

.input-bar button {
  background: #0284C7;
  color: white;
  border: none;
  border-radius: 24px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.input-bar button:hover {
  background: #0369A1;
}

.bottom-hint {
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* Security Auth Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(6, 9, 19, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.modal-card {
  background: #0E1626;
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 20px;
  padding: 32px 28px;
  max-width: 420px;
  width: 90%;
  text-align: center;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
}

.modal-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.modal-card h3 {
  font-size: 18px;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.modal-card p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

.modal-card form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal-card input {
  background: #060913;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  color: #FFFFFF;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.modal-card input:focus {
  border-color: var(--accent);
}

.auth-submit-btn {
  background: #0284C7;
  color: white;
  border: none;
  border-radius: 12px;
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.auth-submit-btn:hover {
  background: #0369A1;
}

.modal-error {
  margin-top: 14px;
  font-size: 12px;
  color: #EF4444;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  padding: 8px 12px;
  border-radius: 8px;
}