*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --gray-50: #f7f7f7;
  --gray-100: #efefef;
  --gray-300: #c8c8c8;
  --gray-500: #888;
  --gray-700: #444;
  --accent: #e05c2a;
  --accent-light: #fdf0ea;
  --success: #1a8a5a;
  --success-light: #eaf7f1;
  --warn: #b85c00;
  --warn-light: #fff4e6;
  --danger: #c0392b;
  --danger-light: #fdf0ee;
  --radius: 8px;
  --radius-lg: 14px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
  font-family: var(--font);
  background: var(--gray-50);
  color: var(--black);
  min-height: 100vh;
  font-size: 15px;
  line-height: 1.6;
}

header {
  background: var(--black);
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 10px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.5px;
}

.logo-sub {
  font-size: 12px;
  color: var(--gray-500);
  letter-spacing: 0.02em;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.subtitle {
  color: var(--gray-500);
  font-size: 14px;
  margin-bottom: 2rem;
}

.hidden { display: none !important; }

/* Platform count */
.platform-count {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1.25rem;
  font-size: 14px;
  color: var(--gray-700);
}

.count-btns { display: flex; gap: 6px; }

.count-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  border: 1.5px solid var(--gray-300);
  background: var(--white);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  color: var(--gray-700);
  transition: all 0.15s;
}

.count-btn.active {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

/* URL row */
.url-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 1.5rem;
}

.url-row.three-cols {
  grid-template-columns: 1fr 1fr 1fr;
}

.url-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.url-block label {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

input[type="text"], input[type="url"] {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font);
  background: var(--white);
  color: var(--black);
  transition: border-color 0.15s;
  outline: none;
}

input[type="text"]:focus, input[type="url"]:focus {
  border-color: var(--black);
}

.platform-name {
  font-weight: 600;
  font-size: 13px;
}

/* Buttons */
.btn-primary {
  background: var(--accent);
  color: var(--white);
  border: none;
  padding: 11px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: opacity 0.15s;
}

.btn-primary:hover { opacity: 0.88; }

.btn-secondary {
  background: var(--white);
  color: var(--black);
  border: 1.5px solid var(--gray-300);
  padding: 9px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font);
  transition: border-color 0.15s;
}

.btn-secondary:hover { border-color: var(--black); }

.btn-back {
  background: none;
  border: none;
  font-size: 13px;
  color: var(--gray-500);
  cursor: pointer;
  font-family: var(--font);
  padding: 0;
}

.btn-back:hover { color: var(--black); }

/* Specs section */
.specs-section, .results-section { padding-top: 0.5rem; }

.specs-header, .results-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.results-header { justify-content: space-between; }

.specs-hint {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 1.25rem;
  background: var(--gray-100);
  padding: 10px 14px;
  border-radius: var(--radius);
}

/* Specs table */
.specs-table {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--gray-100);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.specs-table-header {
  display: grid;
  background: var(--gray-50);
  border-bottom: 1.5px solid var(--gray-100);
  padding: 10px 16px;
  font-size: 12px;
  font-weight: 700;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.specs-row {
  display: grid;
  border-bottom: 1px solid var(--gray-100);
  align-items: center;
  transition: background 0.1s;
}

.specs-row:last-child { border-bottom: none; }
.specs-row:hover { background: var(--gray-50); }

.specs-row .field-label {
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
}

.specs-row input {
  margin: 6px 8px;
  width: calc(100% - 16px);
  border-color: var(--gray-100);
  font-size: 13px;
  padding: 7px 10px;
}

.specs-category {
  background: var(--gray-50);
  padding: 8px 16px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  border-bottom: 1px solid var(--gray-100);
}

/* Summary cards */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 1.75rem;
}

.summary-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--gray-100);
  padding: 1rem 1.25rem;
}

.summary-card .s-label {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.summary-card .s-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -1px;
}

.s-value.ok { color: var(--success); }
.s-value.warn { color: var(--warn); }
.s-value.danger { color: var(--danger); }

/* Results table */
.results-table {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--gray-100);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.results-section-title {
  padding: 10px 16px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.results-section-title.diffs {
  background: var(--warn-light);
  color: var(--warn);
  border-bottom: 1px solid #f5dfc0;
}

.results-section-title.matches {
  background: var(--success-light);
  color: var(--success);
  border-bottom: 1px solid #c5e8d6;
  margin-top: 1.5rem;
}

.result-row {
  display: grid;
  border-bottom: 1px solid var(--gray-100);
  align-items: start;
  font-size: 13px;
}

.result-row:last-child { border-bottom: none; }

.result-row.diff-row { background: var(--warn-light); }

.result-row .r-field {
  padding: 11px 16px;
  font-weight: 600;
  color: var(--gray-700);
  font-size: 12px;
}

.result-row .r-value {
  padding: 11px 10px;
  color: var(--black);
  line-height: 1.4;
  border-left: 1px solid var(--gray-100);
}

.result-row .r-value.missing {
  color: var(--gray-300);
  font-style: italic;
}

.badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  align-self: center;
}

.badge-critical { background: var(--danger-light); color: var(--danger); }
.badge-minor { background: var(--warn-light); color: var(--warn); }

/* Loading */
.status-msg {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 1rem;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--gray-300);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.result-header-row {
  display: grid;
  background: var(--gray-50);
  border-bottom: 1.5px solid var(--gray-100);
  padding: 9px 10px 9px 16px;
  font-size: 11px;
  font-weight: 700;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Scores */
.scores-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--gray-100);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

.scores-header {
  margin-bottom: 1.25rem;
}

.global-score {
  display: flex;
  align-items: center;
  gap: 14px;
}

.global-score-value {
  font-size: 52px;
  font-weight: 800;
  letter-spacing: -3px;
  line-height: 1;
}

.global-score-label {
  font-size: 14px;
  color: var(--gray-500);
  font-weight: 500;
}

.scores-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.score-card {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 10px 12px;
}

.score-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.score-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-700);
}

.score-num {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.score-bar-bg {
  height: 4px;
  background: var(--gray-200);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 6px;
}

.score-bar { height: 100%; border-radius: 2px; transition: width 0.6s ease; }
.score-bar-ok { background: var(--success); }
.score-bar-warn { background: var(--warn); }
.score-bar-danger { background: var(--danger); }

.score-nota {
  font-size: 11px;
  color: var(--gray-500);
  line-height: 1.4;
  margin-top: 4px;
}

@media (max-width: 700px) {
  .scores-grid { grid-template-columns: repeat(2, 1fr); }
}

/* URL list */
.url-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 1rem; }

.url-item {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 10px 14px;
}

.url-domain {
  font-size: 13px;
  font-weight: 700;
  color: var(--black);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.url-item input {
  border: none;
  padding: 4px 0;
  font-size: 13px;
  background: transparent;
}

.url-item input:focus { border: none; outline: none; }

.btn-remove {
  background: none;
  border: none;
  color: var(--gray-300);
  font-size: 13px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}
.btn-remove:hover { color: var(--danger); }

.btn-add {
  background: none;
  border: 1.5px dashed var(--gray-300);
  color: var(--gray-500);
  padding: 9px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font);
  width: 100%;
  margin-bottom: 1.25rem;
  transition: all 0.15s;
}
.btn-add:hover { border-color: var(--black); color: var(--black); }

.actions-row { display: flex; gap: 12px; align-items: center; }