/* ═══════════════════════════════════════════════════════════
   PREXFORGE — G1 AI INSTRUCTOR PANEL STYLES
   Interactive AI Instructor embedded inside the Class.
   Design: Warm ivory + deep teal + restrained gold.
   Feels like a teacher in the classroom, not a chatbot.
   ═══════════════════════════════════════════════════════════ */

/* ─── PANEL CONTAINER ─── */
.ai-instructor-panel {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

/* ─── HEADER ─── */
.ai-instructor-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--teal);
  color: var(--white);
}

.ai-instructor-avatar {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-instructor-avatar svg {
  background: var(--teal-pale);
  border-radius: 50%;
}

.ai-instructor-identity {
  flex-grow: 1;
}

.ai-instructor-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
}

.ai-instructor-role {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 2px;
}

.ai-instructor-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.8);
  flex-shrink: 0;
}

.ai-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.ai-status-idle { background: rgba(255, 255, 255, 0.4); }
.ai-status-active { background: #4CAF50; animation: pulse-soft 3s infinite; }
.ai-status-loading { background: #FFC107; animation: pulse-soft 1s infinite; }
.ai-status-error { background: #F44336; }

@keyframes pulse-soft {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ─── MESSAGES AREA ─── */
.ai-instructor-messages {
  max-height: 420px;
  overflow-y: auto;
  padding: 16px 20px;
  background: var(--ivory);
  scroll-behavior: smooth;
}

.ai-instructor-messages::-webkit-scrollbar {
  width: 6px;
}

.ai-instructor-messages::-webkit-scrollbar-track {
  background: var(--border-soft);
  border-radius: 3px;
}

.ai-instructor-messages::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

/* ─── MESSAGE STYLES ─── */
.ai-msg {
  margin-bottom: 16px;
  display: flex;
  gap: 10px;
  animation: ai-msg-appear 300ms ease-out;
}

@keyframes ai-msg-appear {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* AI Instructor messages */
.ai-msg-instructor {
  flex-direction: row;
}

.ai-msg-avatar {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
}

.ai-msg-body {
  flex-grow: 1;
  min-width: 0;
}

.ai-msg-instructor .ai-msg-content {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: 4px 12px 12px 12px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.ai-msg-instructor .ai-msg-content pre {
  background: var(--ivory-warm);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin: 8px 0;
  overflow-x: auto;
  font-size: 13px;
  font-family: 'Courier New', monospace;
}

.ai-msg-instructor .ai-msg-content code {
  background: var(--ivory-warm);
  padding: 2px 5px;
  border-radius: 3px;
  font-size: 13px;
  font-family: 'Courier New', monospace;
  color: var(--teal);
}

.ai-msg-instructor .ai-msg-content strong {
  color: var(--teal);
}

/* Learner messages */
.ai-msg-learner {
  flex-direction: row-reverse;
}

.ai-msg-learner .ai-msg-content {
  background: var(--teal-pale);
  border: 1px solid var(--teal-light);
  border-radius: 12px 4px 12px 12px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  word-wrap: break-word;
  overflow-wrap: break-word;
  max-width: 85%;
}

.ai-msg-learner .ai-msg-content pre {
  background: rgba(11, 61, 55, 0.05);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin: 8px 0;
  overflow-x: auto;
  font-size: 13px;
  font-family: 'Courier New', monospace;
}

.ai-msg-learner .ai-msg-content code {
  background: rgba(11, 61, 55, 0.05);
  padding: 2px 5px;
  border-radius: 3px;
  font-size: 13px;
  font-family: 'Courier New', monospace;
}

/* System messages */
.ai-msg-system {
  flex-direction: row;
  justify-content: center;
}

.ai-msg-system .ai-msg-content {
  background: var(--gold-pale);
  border: 1px solid var(--gold-light);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ink-soft);
  max-width: 90%;
  text-align: center;
}

.ai-msg-system-icon {
  display: none;
}

/* Error message */
.ai-msg-error {
  text-align: center;
  padding: 12px;
  color: #c0392b;
  font-size: 13px;
  background: #FFF3E0;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

/* Empty state */
.ai-msg-empty {
  text-align: center;
  padding: 24px;
  color: var(--ink-faint);
  font-size: 14px;
}

/* ─── MESSAGE TYPE BADGES ─── */
.ai-msg-type {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 10px;
  margin-bottom: 6px;
}

.ai-msg-type-welcome { background: var(--teal-pale); color: var(--teal); }
.ai-msg-type-practice { background: #E3F2FD; color: #1565C0; }
.ai-msg-type-feedback { background: #E8F5E9; color: #2E7D32; }
.ai-msg-type-escalation { background: var(--gold-pale); color: var(--gold); }
.ai-msg-type-submission { background: var(--ivory-warm); color: var(--ink-soft); }

/* ─── THINKING INDICATOR ─── */
.ai-msg-thinking .ai-thinking-dots {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: 4px 12px 12px 12px;
}

.ai-loading-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal-light);
  animation: ai-bounce 1.4s infinite ease-in-out both;
}

.ai-loading-dot:nth-child(1) { animation-delay: -0.32s; }
.ai-loading-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes ai-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

.ai-msg-loading {
  display: flex;
  gap: 4px;
  padding: 24px;
  justify-content: center;
}

/* ─── ACTION BUTTONS ─── */
.ai-instructor-actions {
  padding: 12px 20px;
  border-top: 1px solid var(--border-soft);
  background: var(--white);
}

.ai-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.ai-action-btn {
  padding: 8px 14px;
  background: var(--ivory-warm);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--teal);
  cursor: pointer;
  transition: all 200ms;
  font-family: var(--font-body);
}

.ai-action-btn:hover {
  background: var(--teal-pale);
  border-color: var(--teal-light);
}

.ai-action-btn:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.ai-action-escalate {
  color: var(--gold);
  border-color: var(--gold-light);
}

.ai-action-escalate:hover {
  background: var(--gold-pale);
  border-color: var(--gold);
}

/* ─── INPUT AREA ─── */
.ai-input-area {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.ai-message-input {
  flex-grow: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--ivory);
  resize: none;
  outline: none;
  transition: border-color 200ms;
  line-height: 1.5;
}

.ai-message-input:focus {
  border-color: var(--teal-light);
  background: var(--white);
}

.ai-message-input::placeholder {
  color: var(--ink-faint);
}

.ai-send-btn {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--teal);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 200ms;
}

.ai-send-btn:hover { background: var(--teal-light); }
.ai-send-btn:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }
.ai-send-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ─── ADVISORY NOTICE ─── */
.ai-advisory-notice {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 12px 20px;
  background: var(--gold-pale);
  border-top: 1px solid var(--gold-light);
}

.ai-advisory-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

.ai-advisory-text {
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* ─── SUBMISSION MODAL ─── */
.ai-work-input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: 'Courier New', monospace;
  color: var(--ink);
  background: var(--ivory);
  resize: vertical;
  outline: none;
  transition: border-color 200ms;
}

.ai-work-input:focus {
  border-color: var(--teal-light);
  background: var(--white);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .ai-instructor-header {
    padding: 12px 14px;
  }

  .ai-instructor-name {
    font-size: 15px;
  }

  .ai-instructor-role {
    font-size: 11px;
  }

  .ai-instructor-messages {
    max-height: 320px;
    padding: 12px 14px;
  }

  .ai-msg-instructor .ai-msg-content,
  .ai-msg-learner .ai-msg-content {
    font-size: 13px;
    padding: 10px 12px;
  }

  .ai-quick-actions {
    gap: 6px;
  }

  .ai-action-btn {
    padding: 7px 12px;
    font-size: 12px;
  }

  .ai-message-input {
    font-size: 13px;
  }

  .ai-advisory-text {
    font-size: 11px;
  }
}

@media (max-width: 480px) {
  .ai-instructor-messages {
    max-height: 280px;
  }

  .ai-quick-actions {
    flex-direction: column;
    gap: 6px;
  }

  .ai-action-btn {
    width: 100%;
    text-align: center;
  }
}

/* ─── ACCESSIBILITY ─── */
.ai-instructor-panel *:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .ai-msg { animation: none; }
  .ai-loading-dot { animation: none; opacity: 0.6; }
  .ai-status-active { animation: none; }
  .ai-instructor-messages { scroll-behavior: auto; }
}