:root {
  --violet: #6d28d9;
  --violet-dark: #5b21b6;
  --ink: #1f2430;
  --muted: #6b7280;
  --line: #e5e7eb;
  --paper: #ffffff;
  --bg: #f7f7fb;
  --danger: #dc2626;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); }
img { max-width: 100%; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; background: var(--paper); border-bottom: 1px solid var(--line); }
.topbar .brand img { height: 32px; display: block; }
.topbar-cta { font-size: 14px; font-weight: 600; color: var(--violet); text-decoration: none; }
.hero { max-width: 760px; margin: 0 auto; padding: 56px 24px 32px; text-align: center; }
.eyebrow { color: var(--violet); font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; }
.hero h1 { font-size: 34px; line-height: 1.2; margin: 12px 0; }
.hero-sub { color: var(--muted); font-size: 17px; line-height: 1.5; }
.hero-bullets { display: flex; flex-wrap: wrap; gap: 12px 20px; justify-content: center; margin: 20px 0; font-size: 14px; color: var(--ink); }
.btn { display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 600; font-size: 15px; text-decoration: none; border: 1px solid transparent; cursor: pointer; }
.btn-primary { background: var(--violet); color: #fff; }
.btn-primary:hover { background: var(--violet-dark); }
.btn-outline { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-google { background: #4285f4; color: #fff; }
.btn-block { width: 100%; }
.btn-link { background: none; border: none; color: var(--danger); cursor: pointer; font-size: 13px; }
.tool { padding: 12px 24px 48px; }
.tool-inner { max-width: 1080px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.dropzone { border: 2px dashed var(--line); border-radius: 14px; padding: 48px 24px; text-align: center; cursor: pointer; background: var(--paper); }
.dropzone.dragover { border-color: var(--violet); background: #f5f3ff; }
.dz-title { font-weight: 600; margin: 8px 0 4px; }
.dz-sub { color: var(--muted); font-size: 13px; margin: 0; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.card h3 { margin: 0 0 10px; font-size: 15px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.stack { display: flex; flex-direction: column; gap: 20px; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.chip { padding: 6px 12px; border-radius: 8px; font-size: 13px; border: 1px solid var(--line); background: #f3f4f6; cursor: pointer; }
.chip.selected { background: var(--violet); border-color: var(--violet); color: #fff; }
.format-box { font-size: 13px; background: #f3f4f6; border-radius: 8px; padding: 10px 14px; margin: 0; }
.mono { font-family: ui-monospace, Menlo, monospace; }
.abbrev-cards { display: flex; flex-direction: column; gap: 14px; margin-top: 10px; }
.abbrev-card { border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.abbrev-card-header { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.abbrev-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.abbrev-actions button { font-size: 12px; padding: 4px 8px; border-radius: 6px; border: 1px solid var(--violet); color: var(--violet); background: #fff; cursor: pointer; }
.abbrev-row { display: flex; align-items: center; gap: 8px; font-size: 12px; margin-bottom: 4px; }
.abbrev-row input { flex: 0 0 140px; padding: 4px 6px; border: 1px solid var(--line); border-radius: 6px; }
.toggle-row { display: flex; align-items: center; gap: 8px; font-size: 13px; margin-bottom: 8px; }
.actions-row { display: flex; gap: 10px; flex-wrap: wrap; }
.actions-row .btn { flex: 1; text-align: center; }
.log-panel { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 12px; font-family: ui-monospace, Menlo, monospace; font-size: 12px; max-height: 200px; overflow-y: auto; }
.log-line.success { color: #059669; }
.log-line.error { color: var(--danger); }
.log-line.warn { color: #d97706; }
.log-line.info { color: var(--muted); }
.instructions { color: var(--muted); font-size: 14px; line-height: 1.6; }
.file-list-wrap { display: flex; flex-direction: column; gap: 10px; }
.file-list-header { display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.file-list { border: 1px solid var(--line); border-radius: 10px; background: var(--paper); }
.file-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 14px; border-bottom: 1px solid var(--line); font-size: 13px; }
.file-row:last-child { border-bottom: none; }
.file-row button { border: none; background: none; cursor: pointer; color: var(--muted); font-size: 16px; }
.bridge { background: #100b1f; color: #fff; padding: 56px 24px; text-align: center; }
.bridge h2 { font-size: 26px; margin: 0 0 14px; }
.bridge p { max-width: 640px; margin: 0 auto 22px; color: #d8d3e6; line-height: 1.6; }
.site-footer { background: var(--paper); border-top: 1px solid var(--line); padding: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.site-footer .brand img { height: 24px; }
.footer-links { display: flex; gap: 18px; font-size: 13px; }
.footer-links a { color: var(--muted); text-decoration: none; }
.modal-overlay[hidden] { display: none; }
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal { background: var(--paper); border-radius: 16px; padding: 28px; width: 100%; max-width: 400px; margin: 16px; }
.modal h3 { margin: 0 0 6px; }
.guide-steps { margin: 10px 0; padding-left: 20px; font-size: 13px; line-height: 1.7; color: var(--ink); }
.guide-link-line { margin: 0 0 14px; word-break: break-all; }
.guide-link-line a { color: var(--violet); font-weight: 600; text-decoration: underline; }
.modal form { display: flex; flex-direction: column; gap: 12px; margin-top: 14px; }
.modal label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; font-weight: 600; }
.modal input[type=text], .modal input[type=email], .modal input[type=tel] { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; font-weight: 400; }
.hp-field { position: absolute; left: -9999px; }
.modal-actions { display: flex; gap: 10px; }
.modal-actions .btn { flex: 1; }
.error-text { color: var(--danger); font-size: 13px; margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.tiny { font-size: 11px; }
@media (max-width: 720px) { .grid-2 { grid-template-columns: 1fr; } }