:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #666666;
  --border: #e5e5e5;
  --accent: #2563eb;
  --accent-soft: #eff6ff;
  --danger: #dc2626;
  --font: system-ui, -apple-system, BlinkMacSystemFont,
    -apple-system, "SF Pro Text", "YuGothic", "Yu Gothic", sans-serif;
  --radius-lg: 18px;
  --radius-md: 10px;
  --shadow-soft: 0 8px 24px rgba(15, 23, 42, 0.06);
}

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

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  line-height: 1.7;
}

/* Header */

.nw-header {
  border-bottom: 1px solid var(--border);
  background: #fafafa;
}

.nw-header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 18px 18px 14px;
}

.nw-header-top {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nw-logo-link {
  display: inline-flex;
  align-items: center;
}

.nw-logo {
  height: 28px;
  width: auto;
  display: block;
}

.nw-header-titles {
  flex: 1 1 auto;
}

.nw-title {
  margin: 0 0 2px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nw-subtitle {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.nw-lang-switch {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}

.nw-lang-switch a {
  color: var(--accent);
  text-decoration: none;
}

.nw-lang-switch a:hover {
  text-decoration: underline;
}

/* Nav */

.nw-nav {
  border-bottom: 1px solid var(--border);
  background: #ffffff;
}

.nw-nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 6px 18px 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 11px;
}

.nw-nav-inner a {
  color: #4b5563;
  text-decoration: none;
}

.nw-nav-inner a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.nw-nav-current {
  font-weight: 600;
  color: #111827;
}

/* Main */

.nw-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 18px 18px 32px;
}

/* Ads */

.ad-slot {
  margin: 12px 0 16px;
  padding: 8px;
  border: 1px dashed #d4d4d4;
  font-size: 11px;
  color: #9ca3af;
  text-align: center;
  min-height: 60px;
  border-radius: var(--radius-md);
}

.ad-top {
  margin-top: 4px;
}

.ad-bottom {
  margin-bottom: 8px;
}

.ad-inline {
  margin: 24px 0;
}

/* Tool Card */

.tool-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  padding: 18px 16px 14px;
  margin-bottom: 16px;
}

.section-title {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 600;
}

.section-desc {
  margin: 0 0 10px;
  font-size: 12px;
  color: var(--muted);
}

/* Dropzone */

.dropzone {
  border-radius: var(--radius-lg);
  border: 1.5px dashed #cbd5f5;
  background: var(--accent-soft);
  padding: 18px 12px;
  text-align: center;
  transition: all 0.18s ease;
}

.dropzone.dragover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.08),
    0 10px 30px rgba(37, 99, 235, 0.18);
  transform: translateY(-1px);
}

.drop-main {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
}

.drop-sub {
  margin: 4px 0 6px;
  font-size: 11px;
  color: var(--muted);
}

.file-input {
  display: none;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid #d4d4d8;
  background: #ffffff;
  font-size: 12px;
  cursor: pointer;
  gap: 6px;
  transition: all 0.16s ease;
}

.btn:hover {
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
  transform: translateY(-1px);
}

.btn-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.btn-primary:hover {
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
}

.btn-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

.btn-ghost:hover {
  border-color: var(--border);
  background: #fafafa;
}

.btn:disabled {
  opacity: 0.35;
  cursor: default;
  box-shadow: none;
  transform: none;
}

/* Options */

.options {
  margin-top: 14px;
  padding: 10px 10px 8px;
  border-radius: var(--radius-md);
  background: #fafafa;
  border: 1px solid #f1f1f1;
  font-size: 11px;
}

.options-title {
  margin: 0 0 4px;
  font-size: 12px;
  font-weight: 600;
}

.option-item {
  display: block;
  margin: 2px 0;
  cursor: pointer;
  user-select: none;
}

.option-item input {
  margin-right: 6px;
}

/* Actions */

.actions {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Table */

.table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin-top: 6px;
}

.result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.result-table thead {
  background: #f9fafb;
  border-bottom: 1px solid var(--border);
}

.result-table th,
.result-table td {
  padding: 6px 6px;
  border-bottom: 1px solid #f3f4f6;
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

.result-table th:nth-child(2),
.result-table td:nth-child(2),
.result-table th:nth-child(3),
.result-table td:nth-child(3) {
  white-space: normal;
  word-break: break-all;
}

.badge-changed {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  font-size: 9px;
  border-radius: 999px;
  background: #dcfce7;
  color: #166534;
}

.badge-same {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  font-size: 9px;
  border-radius: 999px;
  background: #f3f4f6;
  color: #4b5563;
}

/* Empty state */

.empty-state {
  margin-top: 4px;
  padding: 10px 10px;
  font-size: 11px;
  color: #6b7280;
  background: #f9fafb;
  border-radius: var(--radius-md);
  border: 1px dashed #e5e7eb;
}

.hidden {
  display: none;
}

/* Copy status */

.copy-status {
  margin-top: 6px;
  font-size: 10px;
  min-height: 14px;
  color: var(--muted);
}

/* Donate (updated spec: OFUSE + Ko-fi, no lang-based JS) */

.nw-donate {
  text-align: center;
  margin: 16px 0 8px;
  padding: 8px 0;
  font-size: 12px;
  color: #6b7280;
}

.nw-donate-text {
  margin: 4px 0;
  font-size: 12px;
}

.nw-donate-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.nw-donate-links a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  background: #ffffff;
  font-size: 13px;
  color: #111827;
  text-decoration: none;
  transition: all 0.2s ease;
}

.nw-donate-links a:hover {
  background: #f9fafb;
  transform: translateY(-1px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Footer */

.nw-footer {
  margin-top: 24px;
  padding: 16px 8px 12px;
  border-top: 1px solid #e5e7eb;
  font-size: 11px;
  color: #6b7280;
  text-align: center;
  line-height: 1.6;
}

.nw-footer-line {
  margin: 2px 0;
}

.nw-footer-line a {
  color: #6b7280;
  text-decoration: underline;
}

.nw-footer-line a:hover {
  color: var(--accent);
}

/* Responsive */

@media (max-width: 640px) {
  .nw-header-inner,
  .nw-nav-inner,
  .nw-main {
    padding-left: 14px;
    padding-right: 14px;
  }

  .nw-header-top {
    align-items: flex-start;
  }

  .nw-logo {
    height: 24px;
  }

  .tool-card {
    padding: 14px 12px 10px;
  }

  .result-table th,
  .result-table td {
    font-size: 10px;
    padding: 4px 3px;
  }
}

/* --- Cosmetic Ingredient Checker specific styles --- */

.hero-card {
  background: linear-gradient(135deg, #f8fbff 0%, #ffffff 60%);
  border: 1px solid #e8eefb;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: #e0ebff;
  color: #1d4ed8;
  font-size: 12px;
  font-weight: 600;
}

.hero-title {
  margin: 8px 0 6px;
  font-size: 22px;
  line-height: 1.5;
}

.hero-desc {
  margin: 0;
  font-size: 13px;
  color: #4b5563;
}

.cic-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.cic-left,
.cic-right {
  min-width: 0;
}

.cic-sticky {
  position: sticky;
  top: 12px;
}

.cic-steps {
  margin: 6px 0 0;
  padding-left: 18px;
  font-size: 13px;
  color: #374151;
  line-height: 1.7;
}

.cic-input-group {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cic-label {
  font-size: 13px;
  font-weight: 600;
}

.cic-input {
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid #dcdfe7;
  font-size: 14px;
}

.cic-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.cic-suggestions {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 6px;
}

.cic-suggestion {
  padding: 10px 12px;
  background: #f5f7fb;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-md);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.14s ease;
}

.cic-suggestion:hover {
  background: #e8eefb;
  border-color: #d9e3ff;
}

.cic-bulk {
  margin-top: 14px;
  border: 1px dashed #d9dce5;
  border-radius: var(--radius-md);
  padding: 10px 12px;
}

.cic-bulk summary {
  font-weight: 600;
  cursor: pointer;
  font-size: 13px;
}

.cic-bulk-body {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cic-bulk textarea {
  width: 100%;
  padding: 10px;
  border-radius: var(--radius-md);
  border: 1px solid #dcdfe7;
  font-size: 13px;
  min-height: 110px;
  resize: vertical;
}

.cic-bulk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cic-ocr-status {
  margin-top: 6px;
  font-size: 12px;
  color: #4b5563;
  min-height: 16px;
}

.cic-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 24px;
}

.cic-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 999px;
  background: #f5f7fb;
  border: 1px solid #e5e7eb;
  font-size: 12px;
}

.cic-chip button {
  border: none;
  background: transparent;
  cursor: pointer;
  color: #6b7280;
}

.cic-chip button:hover {
  color: #111827;
}

.cic-result-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.cic-result-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cic-result-card {
  display: grid;
  grid-template-columns: 6px 1fr;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #ffffff;
}

.cic-result-card .color-band {
  width: 6px;
}

.cic-result-body {
  padding: 12px 12px 10px;
}

.cic-result-title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
}

.cic-result-meta {
  margin: 4px 0;
  font-size: 12px;
  color: #4b5563;
}

.level-safe .color-band {
  background: #16a34a;
}

.level-caution .color-band {
  background: #f59e0b;
}

.level-warning .color-band {
  background: #dc2626;
}

.level-unknown .color-band {
  background: #9ca3af;
}

.cic-meta-label {
  font-weight: 700;
  color: #1f2937;
  margin-right: 4px;
}

@media (min-width: 900px) {
  .cic-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 18px;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 19px;
  }

  .cic-result-header {
    flex-direction: column;
    align-items: flex-start;
  }
}