/* style.css — PDF → QBO Converter */

:root {
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --card: #ffffff;
  --ok: #16a34a;
  --ok-bg: #f0fdf4;
  --warn: #b45309;
  --warn-bg: #fffbeb;
  --err: #dc2626;
  --err-bg: #fef2f2;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 4px 16px rgba(15, 23, 42, .05);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
}

h1 { font-size: 2.1rem; line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 16px; }
h2 { font-size: 1.5rem; letter-spacing: -0.01em; margin: 0 0 12px; }
h3 { margin: 0 0 8px; }

.muted { color: var(--muted); }
a { color: var(--accent); }

/* ---------- header / nav ---------- */

.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--ink);
}

.brand span { color: var(--accent); }

.nav a {
  margin-left: 20px;
  color: var(--muted);
  text-decoration: none;
  font-size: .95rem;
}

.nav a:hover { color: var(--accent); }

/* ---------- hero ---------- */

.hero {
  padding: 56px 0 24px;
  text-align: center;
}

.hero .lede {
  max-width: 680px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.08rem;
}

/* ---------- cards ---------- */

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  margin: 24px 0;
}

/* ---------- dropzone ---------- */

.dropzone {
  border: 2px dashed #cbd5e1;
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  transition: border-color .15s, background .15s;
  cursor: pointer;
}

.dropzone.drag-over {
  border-color: var(--accent);
  background: #eff6ff;
}

.dz-title { font-size: 1.1rem; font-weight: 600; margin: 0 0 4px; }

.dz-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin: 12px 0;
  flex-wrap: wrap;
}

.privacy-note {
  margin: 14px 0 0;
  font-size: .9rem;
  color: var(--ok);
  font-weight: 600;
}

.options-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.options-row label {
  flex: 1 1 220px;
  font-size: .85rem;
  color: var(--muted);
}

.options-row input,
.license-row input {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  color: var(--ink);
}

.options-row input:focus,
.license-row input:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

.status { min-height: 1.4em; margin: 14px 0 0; font-size: .95rem; }
.status-ok { color: var(--ok); }
.status-error { color: var(--err); }

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  font: inherit;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, border-color .15s;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }

.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-link { background: none; border: none; color: var(--accent); padding: 6px 0; }
.btn-link:hover { text-decoration: underline; }

.btn-sm { padding: 6px 12px; font-size: .9rem; }

/* ---------- preview table ---------- */

.preview-head {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.preview-head h2 { margin: 0; }

.badge {
  font-size: .85rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
}

.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }

.warnings {
  background: var(--warn-bg);
  border: 1px solid #fde68a;
  border-radius: 8px;
  padding: 10px 16px;
  margin: 14px 0;
  font-size: .9rem;
  color: var(--warn);
}

.warnings ul { margin: 0; padding-left: 20px; }

.locked-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: space-between;
  flex-wrap: wrap;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: var(--accent-dark);
  border-radius: 8px;
  padding: 10px 16px;
  margin: 14px 0;
  font-weight: 600;
  font-size: .95rem;
}

.table-wrap { overflow-x: auto; margin-top: 8px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .95rem;
}

th, td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

th {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
  border-bottom: 2px solid var(--line);
}

td.num, th.num { text-align: right; }

td:first-child { width: 3em; color: var(--muted); }

.cell {
  display: inline-block;
  min-width: 2em;
  padding: 2px 6px;
  border-radius: 6px;
}

.cell[contenteditable="true"] { cursor: text; }
.cell[contenteditable="true"]:hover { background: #f1f5f9; }
.cell[contenteditable="true"]:focus { outline: 2px solid var(--accent); background: #fff; }

.cell-desc { white-space: normal; min-width: 16em; }

.amount.pos { color: var(--ok); font-weight: 600; }
.amount.neg { color: var(--err); font-weight: 600; }

tr.locked .cell, tr.locked td.muted { filter: blur(4px); user-select: none; }
tr.locked { cursor: pointer; }
tr.locked:hover { background: #f8fafc; }

.lock-icon { filter: none; }

.del-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.15rem;
  cursor: pointer;
  padding: 0 6px;
  border-radius: 6px;
  line-height: 1;
}

.del-btn:hover { color: var(--err); background: var(--err-bg); }

.export-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.import-hint {
  margin-top: 18px;
  background: var(--ok-bg);
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: .92rem;
  color: #14532d;
}

/* ---------- modal ---------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, .55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}

.modal {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(15, 23, 42, .3);
  max-width: 440px;
  width: 100%;
  padding: 28px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 14px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--muted);
  cursor: pointer;
}

.modal-close:hover { color: var(--ink); }

.license-row {
  display: flex;
  gap: 10px;
  margin: 16px 0 6px;
}

.license-row input { flex: 1; margin-top: 0; }
.license-row .btn { white-space: nowrap; }

.form-note { font-size: .85rem; color: var(--muted); min-height: 1.2em; margin: 6px 0; }
.form-note.ok { color: var(--ok); }
.form-note.error { color: var(--err); }

/* ---------- how it works ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 8px 0 0;
}

.step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.step .n {
  display: inline-flex;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}

.step p { margin: 0; color: var(--muted); font-size: .92rem; }

/* ---------- pricing ---------- */

.pricing { padding: 32px 0 8px; text-align: center; }

.plans {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 720px;
  margin: 20px auto 0;
  text-align: left;
}

.plan .price { font-size: 2rem; font-weight: 700; margin: 4px 0 12px; }
.plan .price .muted { font-size: 1rem; font-weight: 400; }
.plan ul { padding-left: 20px; color: var(--muted); margin: 0 0 18px; }
.plan.featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), var(--shadow); }

/* ---------- FAQ ---------- */

.faq { padding: 16px 0 8px; }

.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 18px;
  margin: 10px 0;
}

.faq summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq summary::before {
  content: '+';
  color: var(--accent);
  font-weight: 700;
  margin-right: 10px;
}

.faq details[open] summary::before { content: '–'; }

.faq details p { margin: 10px 0 0; color: var(--muted); }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 48px;
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: .88rem;
}

.site-footer a { color: var(--muted); margin-right: 18px; }
.site-footer a:hover { color: var(--accent); }

/* ---------- legal pages ---------- */

.legal { max-width: 760px; margin: 0 auto; padding: 32px 20px 48px; }
.legal h1 { font-size: 1.8rem; margin-bottom: 4px; }
.legal h2 { font-size: 1.15rem; margin-top: 28px; }
.legal p, .legal li { color: #334155; }
.legal .updated { color: var(--muted); font-size: .88rem; }

/* ---------- responsive ---------- */

@media (max-width: 720px) {
  h1 { font-size: 1.6rem; }
  .hero { padding: 36px 0 16px; }
  .card { padding: 20px; }
  .steps, .plans { grid-template-columns: 1fr; }
  .nav a { margin-left: 12px; font-size: .88rem; }
  .preview-head { gap: 8px; }
  .cell-desc { min-width: 12em; }
}

/* ---------- converter cluster links ---------- */

.converter-links { margin: 40px 0 8px; }

.converter-links ul {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
}

.converter-links a {
  display: block;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  text-decoration: none;
  color: var(--ink);
  font-size: .92rem;
}

.converter-links a:hover { border-color: var(--accent); color: var(--accent); }
.converter-links a::after { content: ' →'; color: var(--accent); }

/* ---------- CSV paste area / column mapping ---------- */

.paste-row { margin-top: 20px; }

.paste-row label {
  font-size: .85rem;
  color: var(--muted);
}

.paste-row textarea {
  display: block;
  width: 100%;
  margin: 6px 0 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .84rem;
  color: var(--ink);
  resize: vertical;
}

.paste-row textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.mapping-box {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  color: #075985;
  border-radius: 8px;
  padding: 9px 14px;
  font-size: .88rem;
  margin: 14px 0 0;
}

/* ---------- license UX ---------- */

.nav a { white-space: nowrap; }

.lost-key-note {
  font-size: .8rem;
  color: var(--muted);
  margin: 10px 0 4px;
  line-height: 1.5;
}

.form-note a.lost-key-link { color: var(--muted); text-decoration: underline; }
.form-note a.lost-key-link:hover { color: var(--accent); }

/* ---------- feedback modal ---------- */

.feedback-text {
  display: block;
  width: 100%;
  margin: 6px 0 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  font-size: .92rem;
  color: var(--ink);
  resize: vertical;
}

.feedback-email {
  display: block;
  width: 100%;
  margin: 0 0 12px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  color: var(--ink);
}

.feedback-text:focus,
.feedback-email:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

/* honeypot: off-screen but present in the DOM */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 0;
  height: 0;
  opacity: 0;
}

/* The hidden attribute must always win over component display rules
   (e.g. .modal-overlay / .locked-banner set display:flex, which would
   otherwise override the UA [hidden] rule and keep elements visible). */
[hidden] {
  display: none !important;
}