:root {
  --bg: #f2f5f9;
  --panel: #ffffff;
  --text: #1a212b;
  --muted: #5d6b7b;
  --line: #d0d9e2;
  --accent: #0f766e;
  --accent-press: #0a5a54;
  --safe: #166534;
  --warning: #92400e;
  --error: #991b1b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: radial-gradient(circle at top, #ffffff, var(--bg));
  color: var(--text);
}

.app {
  max-width: 860px;
  margin: 0 auto;
  padding: 16px;
  display: grid;
  gap: 14px;
}

h1,
h2 {
  margin: 0;
}

h2 {
  font-size: 1.05rem;
}

.subtitle {
  margin: 0;
  color: var(--muted);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  display: grid;
  gap: 12px;
}

.panel > h2 {
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding-bottom: 7px;
  border-bottom: 1px solid #e3eaf2;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.95rem;
}

.form-message {
  margin: 0;
  min-height: 1.2rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.form-message[data-variant="error"] {
  color: var(--error);
}

.form-message[data-variant="loading"] {
  color: #075985;
}

.form-message[data-variant="success"] {
  color: var(--safe);
}

input,
select,
button {
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 42px;
  font-size: 1rem;
  padding: 8px 10px;
}

button {
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

button:active {
  background: var(--accent-press);
}

button[disabled] {
  opacity: 0.6;
  cursor: wait;
}

.preview {
  min-height: 120px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 10px;
  overflow-x: auto;
  background: #fbfdff;
}

.status {
  margin: 0;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #f8fbff;
}

.status[data-status="fits"] {
  color: var(--safe);
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.status[data-status="fits_with_adjustment"] {
  color: var(--warning);
  border-color: #fcd34d;
  background: #fffbeb;
}

.status[data-status="does_not_fit"] {
  color: var(--error);
  border-color: #fecaca;
  background: #fef2f2;
}

.kv-list {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f3f8ff;
  list-style: none;
  display: grid;
  gap: 9px;
}

.kv-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  column-gap: 18px;
  row-gap: 4px;
  font-size: 0.95rem;
  padding: 10px 11px;
  border: 1px solid #dbe6f3;
  border-radius: 8px;
  background: #ffffff;
}

.kv-label {
  color: #4d5d70;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.35;
}

.kv-value {
  color: var(--text);
  font-weight: 700;
  font-size: 1rem;
  text-align: right;
  line-height: 1.35;
  word-break: break-word;
}

.list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  line-height: 1.45;
}

.preview-track {
  width: 100%;
  min-height: 22px;
  border-radius: 10px;
  background: #e2e8f0;
  border: 1px solid #b8c5d4;
  overflow: hidden;
}

.preview-fill {
  min-height: 22px;
  width: 0%;
  transition: width 180ms ease-in-out;
}

.preview-fill[data-visual-state="safe"] {
  background: linear-gradient(90deg, #34d399 0%, #16a34a 100%);
}

.preview-fill[data-visual-state="warning"] {
  background: linear-gradient(90deg, #f59e0b 0%, #d97706 100%);
}

.preview-fill[data-visual-state="error"] {
  background: linear-gradient(90deg, #fb7185 0%, #e11d48 100%);
}

.preview-state {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.preview-state[data-visual-state="safe"] {
  color: var(--safe);
}

.preview-state[data-visual-state="warning"] {
  color: var(--warning);
}

.preview-state[data-visual-state="error"] {
  color: var(--error);
}

.preview-overflow {
  margin: 0;
  font-size: 0.86rem;
  color: var(--error);
  font-weight: 600;
}

.preview-meta-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--muted);
}

.preview-meta-list strong {
  color: var(--text);
}

.notice-panel {
  border-color: #efcc9f;
  background: linear-gradient(180deg, #fff9f0 0%, #fffefb 100%);
}

.notice-panel > h2 {
  color: #7a3412;
  border-bottom-color: #efcc9f;
}

.notice-lead {
  margin: 0;
  color: #6b3a1c;
  font-weight: 600;
  line-height: 1.45;
}

.notice-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  color: #5b3a18;
  line-height: 1.45;
}

@media (max-width: 540px) {
  .kv-list li {
    grid-template-columns: 1fr;
    row-gap: 6px;
    column-gap: 0;
  }

  .kv-value {
    text-align: left;
  }
}

@media (min-width: 720px) {
  .app {
    padding: 24px;
    gap: 16px;
  }
}
/* ===== BRAND HEADER ===== */
.brand-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--muted);
}

.brand-link img {
  height: 22px;
  width: auto;
  display: block;
}

/* ===== FOOTER ===== */
.app-footer {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: center;
}

.footer-link {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--muted);
}

.footer-link img {
  height: 24px;
  width: auto;
  display: block;
}