:root {
  --bg: #f4f6f9;
  --card: #fff;
  --text: #1a1d26;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --error: #dc2626;
  --success: #16a34a;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1.5rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.brand { font-weight: 700; color: var(--text); text-decoration: none; font-size: 1.1rem; }
.nav-links { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: .9rem; }
.nav-links a:hover { color: var(--primary); }
.link-btn { background: none; border: none; color: var(--muted); cursor: pointer; font-size: .9rem; padding: 0; }
.link-btn:hover { color: var(--primary); }
.inline { display: inline; }

.container { max-width: 960px; margin: 0 auto; padding: 1.5rem; }
h1 { margin: 0 0 1rem; font-size: 1.5rem; }
h2 { margin: 2rem 0 1rem; font-size: 1.15rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }

.auth-card {
  max-width: 400px;
  margin: 3rem auto;
  background: var(--card);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.auth-card.wide { max-width: 520px; }

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

.grid.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-label { color: var(--muted); font-size: .85rem; }

.form label { display: block; margin-bottom: 1rem; font-size: .9rem; font-weight: 500; }
.form input, .form textarea, .form select {
  display: block;
  width: 100%;
  margin-top: .35rem;
  padding: .55rem .75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
}
.form fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; margin-bottom: 1rem; }
.form legend { padding: 0 .5rem; font-weight: 600; }
.radio { font-weight: 400; margin-right: 1rem; }
.radio input { width: auto; display: inline; margin-right: .35rem; }

.btn {
  display: inline-block;
  padding: .55rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  font: inherit;
  font-size: .9rem;
}
.btn:hover { background: var(--bg); }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); }
.actions { display: flex; gap: .75rem; flex-wrap: wrap; margin: 1rem 0; }

.row { display: flex; gap: .5rem; align-items: center; }
.row input, .row select { flex: 1; }
.between { justify-content: space-between; align-items: center; }

.table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.table th, .table td { padding: .65rem .85rem; text-align: left; border-bottom: 1px solid var(--border); font-size: .9rem; }
.table th { background: var(--bg); font-weight: 600; }
.truncate { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.alert { padding: .75rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: .9rem; }
.alert-error { background: #fef2f2; color: var(--error); border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: var(--success); border: 1px solid #bbf7d0; }

.party-preview {
  background: var(--bg);
  padding: .75rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: .9rem;
}
.hidden { display: none !important; }

.table-wrap { overflow-x: auto; margin-bottom: 1rem; }
.table-compact th, .table-compact td { font-size: .82rem; white-space: nowrap; }
.table td.actions { white-space: nowrap; }
.table td.actions a, .table td.actions form { margin-right: .5rem; }
.status-form { display: inline; margin: 0; }
.status-select {
  padding: .25rem .4rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  font-size: .82rem;
  background: var(--card);
  max-width: 8.5rem;
}
.status-select.status-paid { border-color: #bbf7d0; background: #f0fdf4; color: var(--success); }
.status-select.status-recorded, .status-badge.status-recorded { border-color: #fde68a; background: #fffbeb; color: #92400e; }
.status-select.status-posted, .status-badge.status-posted { border-color: #bfdbfe; background: #eff6ff; color: #1d4ed8; }
.status-select.status-cancelled, .status-badge.status-cancelled { color: var(--muted); background: #f9fafb; }
.status-badge {
  display: inline-block;
  padding: .12rem .45rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: .82rem;
}
.client-invoice-stats { margin-bottom: 1.5rem; }

.invoice-totals { margin: 1rem 0; padding: .75rem 1rem; background: var(--bg); border-radius: var(--radius); }
.invoice-totals p { margin: .25rem 0; }

.preview-modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.preview-modal.hidden { display: none !important; }
.preview-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.45); }
.preview-panel {
  position: relative;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
  width: min(980px, 98vw);
  height: min(92vh, 920px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.preview-toolbar { padding: .75rem 1rem; border-bottom: 1px solid var(--border); background: var(--bg); flex-wrap: wrap; gap: .5rem; }
.preview-toolbar .row { flex-wrap: wrap; gap: .35rem; }
#preview-frame { flex: 1; width: 100%; border: none; background: #fff; }

.template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0 2rem;
}
.template-card {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  text-decoration: none;
  color: inherit;
  transition: border-color .15s, box-shadow .15s;
}
.template-card:hover {
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.muted-block { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.doc-editor {
  width: 100%;
  font-family: ui-monospace, Consolas, monospace;
  font-size: .85rem;
  line-height: 1.4;
}

.vat-default {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem .75rem;
  margin: .75rem 0;
}
.vat-default .vat-inline,
#lines-table .vat-inline {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  white-space: nowrap;
}
.vat-toggle {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  font-size: .82rem;
  cursor: pointer;
  margin: 0;
}
.vat-toggle input { margin: 0; flex-shrink: 0; }
.vat-pct-label { display: inline-flex; align-items: center; gap: .25rem; }
#lines-table th.col-vat,
#lines-table td.vat-cell {
  width: 7.5rem;
  min-width: 7.5rem;
  max-width: 7.5rem;
  vertical-align: middle;
  padding: .35rem .4rem;
}
#lines-table .line-vat-pct {
  width: 2.75rem;
  min-width: 2.75rem;
  max-width: 2.75rem;
  padding: .3rem .35rem;
  font-size: .85rem;
}
.vat-pct-sign { font-size: .82rem; color: var(--muted, #666); }
.line-sum { white-space: nowrap; font-size: .85rem; text-align: right; }
input.narrow { max-width: 5rem; }
.btn-remove { padding: .2rem .55rem; line-height: 1; }

.paste-card { margin-bottom: 1.5rem; }
.paste-card textarea { width: 100%; margin-top: .35rem; padding: .65rem .75rem; border: 1px solid var(--border); border-radius: 6px; font: inherit; resize: vertical; }
.file-btn { cursor: pointer; margin: 0; }
#parse-status.alert-error { color: var(--error); }

.search-form { display: flex; gap: .5rem; margin-bottom: 1rem; }
.search-form input { flex: 1; padding: .55rem .75rem; border: 1px solid var(--border); border-radius: 6px; }

code { background: var(--bg); padding: .1rem .35rem; border-radius: 4px; font-size: .85em; }

@media (max-width: 640px) {
  .nav { flex-direction: column; gap: .75rem; }
  .row { flex-direction: column; align-items: stretch; }
}

/* Публичная главная (SEO) */
.public-page { background: var(--bg); }
.public-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 1.5rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.public-nav { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
.public-nav a:not(.btn) { color: var(--text); text-decoration: none; font-size: .9rem; }
.public-nav a:not(.btn):hover { color: var(--primary); }
.public-footer {
  margin-top: 3rem;
  padding: 2rem 1.5rem;
  text-align: center;
  border-top: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  font-size: .9rem;
}

.landing-hero {
  background: linear-gradient(160deg, #1e3a8a 0%, #2563eb 55%, #3b82f6 100%);
  color: #fff;
  padding: 3.5rem 1.5rem 4rem;
}
.landing-hero-inner { max-width: 820px; margin: 0 auto; }
.landing-badge {
  display: inline-block;
  background: rgba(255,255,255,.15);
  padding: .35rem .75rem;
  border-radius: 999px;
  font-size: .85rem;
  margin-bottom: 1rem;
}
.landing-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
  margin: 0 0 1rem;
}
.landing-lead { font-size: 1.1rem; opacity: .95; max-width: 640px; margin-bottom: 1.5rem; }
.landing-cta { display: flex; gap: .75rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.landing-cta .btn { border-color: transparent; }
.landing-cta .btn:not(.btn-primary) { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.35); }
.landing-cta .btn:not(.btn-primary):hover { background: rgba(255,255,255,.2); }
.btn-lg { padding: .7rem 1.35rem; font-size: 1rem; }
.landing-hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: .9rem;
  opacity: .9;
}
.landing-hero-points li::before { content: "✓ "; }

.landing-section {
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}
.landing-section-alt { background: var(--card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.landing-section h2 { text-align: center; margin: 0 0 2rem; font-size: 1.6rem; }
.landing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}
.landing-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}
.landing-section-alt .landing-card { background: var(--bg); }
.landing-card h3 { margin: 0 0 .5rem; font-size: 1.05rem; }
.landing-card p { margin: 0; color: var(--muted); font-size: .92rem; }

.landing-steps {
  max-width: 640px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.landing-steps li {
  counter-increment: step;
  margin-bottom: 1.5rem;
  padding-left: 3rem;
  position: relative;
}
.landing-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .9rem;
}
.landing-steps strong { display: block; margin-bottom: .25rem; }
.landing-steps span { color: var(--muted); font-size: .92rem; }

.landing-audience {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.landing-audience h3 { margin: 0 0 .5rem; }
.landing-audience p { margin: 0; color: var(--muted); font-size: .92rem; }

.landing-cta-block {
  text-align: center;
  padding: 3rem 1.5rem 4rem;
  max-width: 560px;
  margin: 0 auto;
}
.landing-cta-block h2 { margin: 0 0 .75rem; }
.landing-cta-block p { color: var(--muted); margin-bottom: 1.25rem; }

@media (max-width: 640px) {
  .public-header { flex-direction: column; align-items: flex-start; }
  .public-nav { width: 100%; }
}