:root {
  --bg-top: #e7f0ea;
  --bg-bottom: #f7f3ea;
  --ink: #1c2421;
  --muted: #5c6b64;
  --panel: rgba(255, 252, 247, 0.92);
  --line: #c9d5ce;
  --accent: #0f6a56;
  --accent-ink: #f4fffb;
  --warn-bg: #fff6df;
  --warn-line: #d2a94a;
  --error-bg: #fdeceb;
  --error-line: #b42318;
  --success-line: #0f6a56;
  --shadow: 0 18px 50px rgba(28, 36, 33, 0.08);
  --radius: 18px;
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-body: "Segoe UI", "Helvetica Neue", sans-serif;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 10%, rgba(15, 106, 86, 0.12), transparent 34%),
    radial-gradient(circle at 88% 0%, rgba(210, 169, 74, 0.18), transparent 28%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

.app {
  width: min(920px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.hero .descriptor {
  margin: 0.35rem 0 0;
  color: var(--accent);
  font-weight: 650;
  letter-spacing: 0.01em;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.05;
  margin: 0.2rem 0 0.75rem;
  letter-spacing: -0.02em;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: var(--muted);
}

.lede {
  margin: 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.privacy {
  display: inline-block;
  margin: 1.25rem 0 0;
  padding: 0.65rem 0.9rem;
  border-left: 4px solid var(--accent);
  background: rgba(15, 106, 86, 0.08);
  font-weight: 650;
}

.privacy-sub {
  margin: 0.45rem 0 0;
  font-size: 0.92rem;
}

.dropzone-limits-note {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
}

.control-hint {
  margin: 0.45rem 0 0;
  font-size: 0.9rem;
}

.clean-defaults-note {
  margin: 0.75rem 0 0.35rem;
  font-size: 0.95rem;
  font-weight: 650;
}

.clean-order-note {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
}

.audit-group-desc {
  margin: -0.25rem 0 0.75rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.file-details {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.file-details h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
}

.status {
  min-height: 1.5rem;
  margin: 1.5rem 0 1rem;
  color: var(--muted);
}

.status[data-tone="error"] {
  color: var(--error-line);
  font-weight: 650;
}

.status[data-tone="success"] {
  color: var(--accent);
  font-weight: 650;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.panel-error {
  border-color: var(--error-line);
  background: var(--error-bg);
}

.panel-warning {
  border-color: var(--warn-line);
  background: var(--warn-bg);
  margin-bottom: 1rem;
}

.panel-success {
  border-color: color-mix(in srgb, var(--success-line) 35%, var(--line));
}

.dropzone {
  border: 2px dashed color-mix(in srgb, var(--accent) 45%, var(--line));
  border-radius: calc(var(--radius) - 4px);
  padding: 2rem 1rem;
  text-align: center;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    transform 160ms ease;
}

.dropzone:focus-visible,
.button:focus-visible,
#reset-button:focus-visible,
.table-scroll:focus-visible,
.clean-option input[type="checkbox"]:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 55%, white);
  outline-offset: 3px;
}

.dropzone.is-dragover {
  border-color: var(--accent);
  background: rgba(15, 106, 86, 0.08);
  transform: scale(1.01);
}

.dropzone-title {
  margin: 0;
  font-size: 1.2rem;
}

.dropzone-sub {
  margin: 0.55rem 0;
  color: var(--muted);
}

.dropzone-limits {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.button {
  appearance: none;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-ink);
  font: inherit;
  font-weight: 700;
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  min-height: 2.75rem;
}

.button:hover:not(:disabled) {
  filter: brightness(1.05);
}

.button:disabled {
  opacity: 1;
  cursor: not-allowed;
  background: color-mix(in srgb, var(--accent) 35%, var(--line));
  color: color-mix(in srgb, var(--accent-ink) 85%, var(--muted));
}

.button-secondary {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}

.button-secondary:disabled {
  background: transparent;
  color: var(--muted);
  border-color: var(--line);
}

.processing {
  margin: 0;
  font-weight: 650;
}

.summary-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.summary-header h2,
.panel-warning h2,
.panel-error h2 {
  margin: 0;
  font-family: var(--font-display);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(140px, 100%), 1fr));
  gap: 0.85rem;
  margin: 0 0 1.25rem;
}

.summary-grid div {
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.65);
}

.summary-grid dt {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.summary-grid dd {
  margin: 0.25rem 0 0;
  font-size: 1.15rem;
  font-weight: 700;
  word-break: break-word;
}

.header-list,
.notice-list,
.panel-warning ul {
  margin: 0 0 1.25rem;
  padding-left: 1.2rem;
}

.header-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding-left: 0;
}

.header-list li {
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  background: rgba(15, 106, 86, 0.1);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--line));
  font-size: 0.92rem;
  max-width: 100%;
  word-break: break-word;
}

.header-list li.is-blank {
  background: var(--warn-bg);
  border-color: var(--warn-line);
}

h3 {
  margin: 0 0 0.6rem;
  font-size: 1rem;
}

.muted {
  color: var(--muted);
  font-weight: 500;
}

.table-scroll {
  overflow: auto;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: white;
}

table {
  border-collapse: collapse;
  min-width: 100%;
  font-size: 0.92rem;
}

th,
td {
  border-bottom: 1px solid var(--line);
  border-right: 1px solid color-mix(in srgb, var(--line) 70%, white);
  padding: 0.55rem 0.7rem;
  text-align: left;
  white-space: nowrap;
  max-width: 16rem;
  overflow: hidden;
  text-overflow: ellipsis;
}

th {
  position: sticky;
  top: 0;
  background: #f2f7f4;
  font-weight: 700;
}

.footer {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.actions {
  margin-bottom: 0;
}

.audit-section {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.audit-section h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
}

.audit-total {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  font-weight: 700;
}

.audit-empty {
  margin: 0;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: rgba(15, 106, 86, 0.08);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
}

.audit-group {
  margin-bottom: 1.25rem;
}

.audit-group h3 {
  margin-bottom: 0.65rem;
}

.audit-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  margin-bottom: 0.65rem;
  background: rgba(255, 255, 255, 0.7);
}

.audit-card[data-category="CRITICAL"] {
  border-color: color-mix(in srgb, var(--error-line) 55%, var(--line));
  background: color-mix(in srgb, var(--error-bg) 65%, white);
}

.audit-card[data-category="SAFE_FIX"] {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
}

.audit-card[data-category="REVIEW"] {
  border-color: color-mix(in srgb, var(--warn-line) 45%, var(--line));
}

.audit-card-title {
  margin: 0 0 0.35rem;
  font-weight: 750;
}

.audit-card-meta {
  margin: 0 0 0.45rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.audit-card-message {
  margin: 0 0 0.55rem;
}

.audit-samples {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink);
  font-size: 0.9rem;
}

.audit-samples li {
  margin-bottom: 0.25rem;
  word-break: break-word;
}

.audit-later {
  display: inline-block;
  margin-top: 0.35rem;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 650;
}

.clean-section {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.clean-section h2 {
  margin: 0 0 0.75rem;
}

.clean-options {
  margin: 1rem 0 1.25rem;
  padding: 0;
  border: 0;
  min-inline-size: 0;
}

.clean-option {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 0.75rem;
  row-gap: 0.15rem;
  align-items: start;
  padding: 0.85rem 0;
  min-height: 2.75rem;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}

.clean-option:last-child {
  border-bottom: 0;
}

.clean-option input[type="checkbox"] {
  margin-top: 0.15rem;
  width: 1.35rem;
  height: 1.35rem;
  accent-color: var(--accent);
}

.clean-option label {
  font-weight: 650;
  cursor: pointer;
}

.clean-option input:disabled + label {
  cursor: not-allowed;
  color: var(--muted);
}

.clean-option-help {
  grid-column: 2;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.clean-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 0.5rem 0 0.75rem;
}

.clean-summary,
.clean-removals,
.clean-preview {
  margin-top: 1.25rem;
}

.clean-preview-table .cell-changed,
#clean-preview-table .cell-changed {
  background: rgba(15, 106, 86, 0.12);
  font-weight: 650;
}

#clean-preview-table .clean-row-before th,
#clean-preview-table .clean-row-after th {
  font-weight: 700;
  color: var(--muted);
  white-space: nowrap;
  text-align: left;
  background: #f2f7f4;
}

.export-section {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.export-section h2 {
  margin: 0 0 0.5rem;
}

.export-block {
  margin: 1.1rem 0;
}

.export-block h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.export-help {
  margin: 0 0 0.65rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.export-stale {
  margin: 0.75rem 0 0;
  padding: 0.65rem 0.85rem;
  border-left: 4px solid var(--warn-line);
  background: var(--warn-bg);
  color: var(--ink);
}

.export-formula-note {
  margin: 0.75rem 0 0;
  padding: 0.65rem 0.85rem;
  border-left: 4px solid var(--warn-line);
  background: var(--warn-bg);
  color: var(--ink);
}

.export-formula-note strong {
  display: block;
  margin-bottom: 0.25rem;
}

@media (max-width: 520px) {
  .app {
    width: min(920px, calc(100% - 1.25rem));
    padding-top: 1.25rem;
  }

  .dropzone {
    padding: 1.4rem 0.75rem;
  }

  .button,
  .button-secondary {
    width: 100%;
  }

  .summary-header {
    align-items: stretch;
  }

  .hero h1 {
    font-size: clamp(1.75rem, 8vw, 2.4rem);
  }
}

@media (max-width: 360px) {
  .app {
    width: calc(100% - 1rem);
    padding: 1rem 0 2rem;
  }

  .panel {
    padding: 1rem;
  }

  .summary-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .dropzone,
  .button {
    transition: none;
  }

  .dropzone.is-dragover {
    transform: none;
  }
}