/* projects-coach.css — AI Socratic coach dock for unit projects.
   Health-gated: the dock only mounts when /api/tutor reports a live backend,
   so with no ANTHROPIC_API_KEY configured nothing renders (zero impact).
   Namespaced .ntc-* to avoid collisions. */

.ntc-launch {
  position: fixed;
  right: 16px;
  bottom: 74px; /* sits above the .ntf-fab summary button */
  z-index: 9001;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  border: none;
  border-radius: 999px;
  background: #0f7d5b;
  color: #fff;
  font: inherit;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(15, 125, 91, 0.35);
}
.ntc-launch:hover {
  background: #0c6a4d;
}
.ntc-launch:focus-visible {
  outline: 3px solid #8fd3bd;
  outline-offset: 2px;
}

.ntc-panel {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 9002;
  width: min(360px, calc(100vw - 32px));
  max-height: min(560px, calc(100vh - 32px));
  display: none;
  flex-direction: column;
  background: #fff;
  border: 1px solid #d7ddea;
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
  overflow: hidden;
}
.ntc-panel.open {
  display: flex;
}

.ntc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 14px;
  background: #0f7d5b;
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
}
.ntc-head button {
  border: none;
  background: transparent;
  color: #fff;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
}

.ntc-note {
  padding: 8px 14px;
  font-size: 0.76rem;
  color: #6b7280;
  background: #f6f8fb;
  border-bottom: 1px solid #eef1f6;
}

.ntc-log {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #fbfcfe;
}
.ntc-msg {
  max-width: 90%;
  padding: 9px 12px;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.ntc-msg.me {
  align-self: flex-end;
  background: #e8f0ff;
  color: #16324f;
}
.ntc-msg.coach {
  align-self: flex-start;
  background: #eafaf3;
  color: #0d3b2c;
  border: 1px solid #cdeee0;
}
.ntc-msg.sys {
  align-self: center;
  background: #fff4e5;
  color: #7a4b00;
  font-size: 0.82rem;
}
.ntc-typing {
  align-self: flex-start;
  color: #0f7d5b;
  font-size: 0.85rem;
  font-style: italic;
}

.ntc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 14px 0;
}
.ntc-chip {
  border: 1px solid #cfd6e2;
  background: #f4f7fb;
  border-radius: 999px;
  padding: 6px 12px;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  color: #29405c;
  cursor: pointer;
}
.ntc-chip:hover {
  background: #e7eef7;
}
.ntc-chip:disabled {
  opacity: 0.5;
  cursor: default;
}

.ntc-compose {
  display: flex;
  gap: 8px;
  padding: 10px 14px 14px;
  align-items: flex-end;
}
.ntc-compose textarea {
  flex: 1 1 auto;
  min-height: 40px;
  max-height: 110px;
  box-sizing: border-box;
  padding: 9px 11px;
  border: 1px solid #c8cfdd;
  border-radius: 10px;
  font: inherit;
  font-size: 0.9rem;
  resize: none;
}
.ntc-compose textarea:focus {
  outline: none;
  border-color: #0f7d5b;
  box-shadow: 0 0 0 3px rgba(15, 125, 91, 0.15);
}
.ntc-send {
  flex: 0 0 auto;
  border: none;
  background: #0f7d5b;
  color: #fff;
  border-radius: 10px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.ntc-send:disabled {
  opacity: 0.5;
  cursor: default;
}

@media print {
  .ntc-launch,
  .ntc-panel {
    display: none !important;
  }
}