:root {
  --bg: #f4f6f9;
  --card: #fff;
  --text: #1a1d26;
  --muted: #5c6478;
  --accent: #0d6efd;
  --accent-hover: #0b5ed7;
  --error-bg: #fdecea;
  --error-text: #8f1f1f;
  --border: #e2e6ef;
  --radius: 10px;
  --font: system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.header {
  padding: 1.75rem 1.25rem 1rem;
  text-align: center;
}

.header h1 {
  margin: 0 0 0.35rem;
  font-size: 1.65rem;
  font-weight: 650;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.layout {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1rem 3rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 2px 10px rgba(26, 29, 38, 0.06);
}

.card h2 {
  margin: 0 0 1rem;
  font-size: 1.2rem;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.field span {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.hint {
  display: inline !important;
  font-weight: 400;
  color: var(--muted);
  font-size: 0.8rem;
}

input[type="text"],
input[type="url"],
input[type="file"],
textarea {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  background: #fafbfc;
}

input[type="file"] {
  padding: 0.45rem;
  font-size: 0.85rem;
}

textarea {
  resize: vertical;
  min-height: 72px;
}

input:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.disabled-row {
  padding: 0.75rem;
  background: #f8f9fb;
  border-radius: 6px;
  border: 1px dashed var(--border);
}

.inline-disabled {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin-bottom: 0.45rem;
}

.inline-disabled span:first-child {
  margin-bottom: 0;
}

.soon {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 500;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.message {
  padding: 0.65rem 0.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
}

.message-error {
  background: var(--error-bg);
  color: var(--error-text);
  border: 1px solid #f5c6c3;
}

.hidden {
  display: none !important;
}

.results .block {
  margin-bottom: 1.35rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.results .block:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.results h3 {
  margin: 0 0 0.6rem;
  font-size: 1rem;
  color: var(--muted);
}

.score-big {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.score-label-text {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.02em;
  line-height: 1.35;
}

.criteria-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.criteria-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid #eef0f5;
  font-size: 0.92rem;
}

.criteria-list li:last-child {
  border-bottom: none;
}

.criteria-name {
  color: var(--text);
}

.criteria-score {
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

ul:not(.criteria-list) {
  margin: 0;
  padding-left: 1.15rem;
}

ul:not(.criteria-list) li {
  margin-bottom: 0.35rem;
}

.improved-text {
  margin: 0;
  white-space: pre-wrap;
  font-family: inherit;
  font-size: 0.95rem;
  line-height: 1.55;
  padding: 0.75rem;
  background: #f8fafc;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.block-cta p {
  margin: 0;
  font-size: 1rem;
}

.footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.8rem;
  color: var(--muted);
}