/* ─────────────────────────────────────────────────────────────────────────────
   learn.css — study interface styles
   Theme: matches funfairlabs.com (thefunfairgates)
───────────────────────────────────────────────────────────────────────────── */

/* ── User chip ───────────────────────────────────────────────────────────────── */

.user-chip {
  display: flex;
  align-items: center;
  gap: 7px;
}

.user-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: cover;
}

.user-name {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 400;
  color: var(--text-2);
}

.role-badge {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 4px;
}

.role-badge--child {
  background: var(--accent-soft);
  color: var(--accent);
}

.btn-signout {
  background: none;
  border: none;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  color: var(--text-3);
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

.btn-signout:hover { color: var(--text); }

/* ── Child mode banner ───────────────────────────────────────────────────────── */

.child-mode-banner {
  background: var(--accent-soft);
  border-bottom: 1px solid rgba(200, 97, 26, 0.25);
  padding: 7px 32px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.banner-icon {
  color: var(--accent);
  font-size: 10px;
  flex-shrink: 0;
}

.banner-text {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
}

/* ── Learn content wrapper ───────────────────────────────────────────────────── */

.learn-content-wrapper {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 61px);
  overflow: hidden;
}

body[data-role="child"] .learn-content-wrapper {
  height: calc(100vh - 61px - 34px);
}

/* ── Topic entry screen ──────────────────────────────────────────────────────── */

.topic-entry {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 32px;
}

.topic-entry-inner {
  max-width: 560px;
  width: 100%;
}

.topic-kicker {
  font-family: Arial, Helvetica, sans-serif;
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.topic-form {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  align-items: stretch;
}

.topic-input {
  flex: 1;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  box-shadow: var(--shadow);
}

.topic-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-t);
}

.topic-input::placeholder { color: var(--text-3); }

.btn-start {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 10px 18px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}

.btn-start:hover { background: var(--accent-d); }

.topic-hint {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.5;
}

.topic-hint--child { color: var(--accent); }

/* ── Chat interface ──────────────────────────────────────────────────────────── */

.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 0 32px;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-topic-info {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.chat-topic-label {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.chat-topic-name {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-new-topic {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 5px 12px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 400;
  color: var(--text-2);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.15s, color 0.15s;
}

.btn-new-topic:hover { border-color: var(--accent); color: var(--accent); }

/* ── Messages ────────────────────────────────────────────────────────────────── */

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.message {
  display: flex;
  gap: 10px;
  animation: messageFade 0.2s ease;
}

@keyframes messageFade {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.message--user { justify-content: flex-end; }

.message-avatar {
  width: 26px;
  height: 26px;
  background: var(--accent-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
  font-family: Arial, Helvetica, sans-serif;
}

.message-body {
  max-width: 76%;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
}

.message--assistant .message-body h2,
.message--assistant .message-body h3 {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 700;
  color: var(--text);
  margin: 14px 0 5px;
}

.message--assistant .message-body h2 { font-size: 16px; }
.message--assistant .message-body h3 { font-size: 14px; }

.message--assistant .message-body ul {
  margin: 6px 0 6px 18px;
}

.message--assistant .message-body li { margin-bottom: 3px; }

.message--assistant .message-body code {
  font-family: 'Courier New', Courier, monospace;
  font-size: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.1em 0.3em;
}

.message--assistant .message-body pre {
  background: #1c1a17;
  border-radius: var(--radius);
  padding: 14px 16px;
  overflow-x: auto;
  margin: 8px 0;
}

.message--assistant .message-body pre code {
  background: none;
  border: none;
  color: #f3f1ed;
  font-size: 12px;
  padding: 0;
}

.message--assistant .message-body strong {
  font-weight: 700;
  color: var(--text);
}

.message-body--user {
  background: var(--accent);
  color: #fff !important;
  border-radius: 12px 12px 2px 12px;
  padding: 9px 14px;
  font-size: 14px;
  line-height: 1.5;
}

.message-body--error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius);
  padding: 10px 14px;
  color: #dc2626 !important;
  font-size: 13px;
}

.message--typing .message-body {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 0;
}

.typing-dot {
  width: 6px;
  height: 6px;
  background: var(--text-3);
  border-radius: 50%;
  animation: typingBounce 1.2s infinite ease-in-out;
}

.typing-dot:nth-child(1) { animation-delay: 0s; }
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30%           { transform: translateY(-5px); }
}

/* ── Chat input ──────────────────────────────────────────────────────────────── */

.chat-input-area {
  border-top: 1px solid var(--border);
  padding: 12px 0 16px;
  flex-shrink: 0;
}

.chat-form {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.chat-input {
  flex: 1;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 9px 14px;
  color: var(--text);
  resize: none;
  outline: none;
  line-height: 1.5;
  max-height: 160px;
  overflow-y: auto;
  transition: border-color 0.15s, box-shadow 0.15s;
  box-shadow: var(--shadow);
}

.chat-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-t);
}

.chat-input::placeholder { color: var(--text-3); }

.btn-send {
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s;
}

.btn-send:hover:not(:disabled) { background: var(--accent-d); }
.btn-send:disabled { opacity: 0.4; cursor: not-allowed; }

.chat-disclaimer {
  margin-top: 6px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.01em;
}

/* ── Responsive ──────────────────────────────────────────────────────────────── */

@media (max-width: 700px) {
  .topic-form { flex-direction: column; }
  .btn-start  { text-align: center; }
  .chat-area  { padding: 0 16px; }
  .message-body { max-width: 90%; }
  .child-mode-banner { padding: 7px 16px; }
  .topic-entry { padding: 2rem 16px; }
}