/* ══════════════════════════════════════════════
   诊断页 — 几里造物 Spatial Dark
   ══════════════════════════════════════════════ */

.diagnosis-section {
  width: min(100%, 1200px);
  margin: 0 auto;
  padding: 0 48px 80px;
}

.diagnosis-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px 32px;
}

.field { display: grid; gap: 8px; }
.field-wide { grid-column: 1 / -1; }

.field-label {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.field-input {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  padding: 14px 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font-cn);
  font-size: 15px;
  outline: none;
  transition: border-color 350ms var(--ease-out);
}

.field-input:focus { border-color: rgba(255,255,255,0.3); }

.field-input::placeholder {
  color: var(--text-faint);
  font-family: var(--font-cn);
}

.field-textarea {
  min-height: 100px;
  resize: vertical;
  line-height: 1.7;
}

select.field-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='rgba(255,255,255,0.2)'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
  padding-right: 20px;
}

.form-actions,
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
  grid-column: 1 / -1;
}

/* ── Result ── */
.result-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
  border: 1px solid var(--border);
  color: var(--text-faint);
  text-align: center;
  padding: 24px;
  font-size: 14px;
}

.result-loading,
.result-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  border: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  gap: 18px;
}

.result-loading[hidden],
.result-error[hidden] { display: none; }

.result-error { color: var(--accent); }
.result-content[hidden] { display: none; }
.result-content { display: grid; gap: 0; }

.result-block {
  display: grid;
  gap: 10px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}

.result-label {
  font-family: var(--font-en);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.result-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.result-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
  line-height: 1.75;
  font-size: 15px;
}

.keyword-list { display: flex; flex-wrap: wrap; gap: 10px; }

.keyword-tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--border-visible);
  font-size: 13px;
  font-family: var(--font-cn);
  color: var(--text-soft);
  transition: border-color 350ms var(--ease-out),
              background 350ms var(--ease-out);
}

.keyword-tag:hover {
  border-color: rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.03);
}

/* ── Skeleton ── */
.skeleton-stack { display: grid; gap: 10px; width: 100%; max-width: 320px; }

.skeleton-line {
  height: 12px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--border) 25%, rgba(255,255,255,0.02) 50%, var(--border) 75%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.4s ease-in-out infinite;
}

@keyframes skeleton-pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.btn.is-copied { background: #2a7a3a; border-color: #2a7a3a; color: #fff; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .diagnosis-section { padding-left: 28px; padding-right: 28px; }
  .diagnosis-form { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 640px) {
  .diagnosis-section { padding-left: 20px; padding-right: 20px; }
}

@media print {
  .site-header, .hero, .noise, .form-actions, .result-actions { display: none !important; }
  .diagnosis-section, .result-content { width: 100%; display: block; padding: 0; margin: 0; }
  .result-placeholder, .result-loading, .result-error { display: none; }
  .result-block { border-bottom: 1px solid #ddd; padding: 16px 0; }
}