.tutor-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: clamp(16px, 4vw, 44px);
}

.tutor-modal[hidden] {
  display: none;
}

.tutor-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(28, 25, 23, 0.42);
  backdrop-filter: blur(3px);
}

.tutor-view {
  flex-direction: column;
  gap: 14px;
  color: var(--ink);
}

.tutor-modal-panel {
  position: relative;
  display: flex;
  width: min(1180px, calc(100vw - 64px));
  height: min(760px, calc(100vh - 72px));
  padding: 18px;
  border: 1px solid rgba(28, 25, 23, 0.14);
  border-radius: 10px;
  background: #f7efe4;
  box-shadow: 0 28px 90px rgba(28, 25, 23, 0.34);
}

.tutor-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(28, 25, 23, 0.12);
}

.tutor-modal-kicker {
  margin-bottom: 4px;
  color: #1f6d65;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tutor-modal-header h2 {
  font-size: 1.08rem;
  line-height: 1.2;
}

.tutor-modal-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tutor-shortcut {
  color: #6f665e;
  font-size: 0.74rem;
  white-space: nowrap;
}

.tutor-close-btn {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid rgba(28, 25, 23, 0.14);
  border-radius: 999px;
  background: #fffdf8;
  color: #473d36;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.tutor-close-btn:hover {
  background: #efe4d8;
}

.tutor-thread {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
  flex: 1;
  max-height: none;
  overflow: auto;
  padding-right: 4px;
}

.tutor-message {
  max-width: min(88ch, 94%);
  padding: 12px 14px;
  border-radius: 12px;
  line-height: 1.55;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.86rem;
  box-shadow: 0 8px 20px rgba(28, 25, 23, 0.08);
}

.tutor-message.assistant {
  align-self: flex-start;
  background: #fffdf8;
  border: 1px solid rgba(28, 107, 99, 0.22);
  color: #211d19;
}

.tutor-message.user {
  align-self: flex-end;
  background: #1f6d65;
  border: 1px solid rgba(28, 107, 99, 0.42);
  color: #f8fffc;
}

.tutor-author {
  display: block;
  margin-bottom: 6px;
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tutor-message.assistant .tutor-author {
  color: #1f6d65;
}

.tutor-message.user .tutor-author {
  color: rgba(248, 255, 252, 0.72);
}

.tutor-message-body {
  display: grid;
  gap: 8px;
}

.tutor-message-body p,
.tutor-message-body ul,
.tutor-message-body ol,
.tutor-message-body pre,
.tutor-message-body h3,
.tutor-message-body h4,
.tutor-message-body h5 {
  margin: 0;
}

.tutor-message-body p {
  white-space: pre-wrap;
}

.tutor-message-body ul,
.tutor-message-body ol {
  padding-left: 1.25rem;
}

.tutor-message-body li + li {
  margin-top: 4px;
}

.tutor-message-body code {
  padding: 0.05rem 0.25rem;
  border-radius: 4px;
  background: rgba(31, 109, 101, 0.1);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
}

.tutor-message-body .tutor-code {
  overflow: auto;
  padding: 10px 12px;
  border: 1px solid rgba(28, 25, 23, 0.12);
  border-radius: 8px;
  background: #211d19;
  color: #fff7eb;
  white-space: pre;
}

.tutor-message-body .tutor-code code {
  display: block;
  padding: 0;
  background: transparent;
  color: inherit;
  line-height: 1.45;
}

.tutor-message-body h3,
.tutor-message-body h4,
.tutor-message-body h5 {
  font-size: 0.92rem;
  line-height: 1.25;
}

.tutor-form {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.tutor-label {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #4f463e;
}

.tutor-compose {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.tutor-input {
  height: 58px;
  min-height: 58px;
  resize: vertical;
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid rgba(28, 25, 23, 0.18);
  background: #fffdf8;
  color: var(--ink);
  line-height: 1.5;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.86rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

@media (max-width: 900px) {
  .tutor-modal {
    padding: 10px;
  }

  .tutor-modal-panel {
    width: calc(100vw - 20px);
    height: calc(100vh - 20px);
    padding: 14px;
  }

  .tutor-modal-header {
    align-items: flex-start;
  }

  .tutor-shortcut {
    display: none;
  }

  .tutor-compose {
    grid-template-columns: 1fr;
  }
}