:root {
  --paper: #EDEFEA;
  --paper-raised: #F7F8F4;
  --ink: #1B2430;
  --ink-soft: #4A5568;
  --line: #D8DCD2;
  --stamp-red: #C1443B;
  --stamp-red-dark: #A5372F;
  --ok-green: #2F6F5E;
  --warn-amber: #C98A2C;
  --radius: 3px;
  --serif: 'Source Serif Pro', Georgia, 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em 0;
}

a { color: var(--ink); }

/* ---------- Layout: папка-документ ---------- */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 28px 0;
  display: flex;
  flex-direction: column;
}

.sidebar .brand {
  font-family: var(--serif);
  font-size: 19px;
  padding: 0 24px 24px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 12px;
}
.sidebar .brand small {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.sidebar nav a {
  text-decoration: none;
  color: rgba(255,255,255,0.75);
  padding: 11px 24px;
  font-size: 14px;
  border-left: 3px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.sidebar nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.sidebar nav a.active {
  color: #fff;
  border-left-color: var(--stamp-red);
  background: rgba(255,255,255,0.06);
}

.sidebar .user-box {
  padding: 16px 24px 0 24px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}
.sidebar .user-box form { margin-top: 8px; }
.sidebar .logout-btn {
  background: none;
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.8);
  padding: 6px 10px;
  border-radius: var(--radius);
  font-size: 12px;
  cursor: pointer;
}
.sidebar .logout-btn:hover { border-color: #fff; color: #fff; }

.main {
  flex: 1;
  padding: 40px 48px;
  max-width: 1100px;
}

.page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--ink);
}
.page-header .eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------- Панели ---------- */
.panel {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink-soft);
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
}
.field textarea { resize: vertical; min-height: 90px; font-family: var(--mono); font-size: 13px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--stamp-red);
  outline-offset: 1px;
}
.field .hint { font-size: 12px; color: var(--ink-soft); margin-top: 4px; }

.row { display: flex; gap: 16px; }
.row > .field { flex: 1; }

.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--sans);
}
.btn-primary { background: var(--stamp-red); color: #fff; }
.btn-primary:hover { background: var(--stamp-red-dark); }
.btn-secondary { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-secondary:hover { background: var(--ink); color: #fff; }
.btn-danger { background: transparent; border-color: var(--stamp-red); color: var(--stamp-red); }
.btn-danger:hover { background: var(--stamp-red); color: #fff; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- Таблица-гроссбух ---------- */
table.ledger {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 12.5px;
}
table.ledger th {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 2px solid var(--ink);
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft);
  white-space: nowrap;
}
table.ledger td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.ledger tr:hover td { background: rgba(0,0,0,0.02); }

/* ---------- Штамп-индикатор статуса (фирменный элемент) ---------- */
.stamp {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px 3px 8px;
  border: 1.5px dashed currentColor;
  border-radius: 999px;
  transform: rotate(-1.5deg);
}
.stamp::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.stamp.ok { color: var(--ok-green); }
.stamp.pending { color: var(--warn-amber); }
.stamp.error { color: var(--stamp-red); }
.stamp.neutral { color: var(--ink-soft); }

/* ---------- Прогресс ---------- */
.progress-track {
  width: 100%;
  height: 10px;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
  margin: 12px 0;
}
.progress-fill {
  height: 100%;
  background: var(--stamp-red);
  transition: width 0.3s ease;
}

.error-list {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--stamp-red-dark);
  background: rgba(193,68,59,0.06);
  border: 1px solid rgba(193,68,59,0.25);
  border-radius: var(--radius);
  padding: 12px 14px;
  max-height: 200px;
  overflow-y: auto;
  margin-top: 12px;
}
.error-list div { padding: 2px 0; }

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 16px;
}

.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13.5px;
  margin-bottom: 16px;
}
.alert-error { background: rgba(193,68,59,0.08); border: 1px solid rgba(193,68,59,0.3); color: var(--stamp-red-dark); }
.alert-ok { background: rgba(47,111,94,0.08); border: 1px solid rgba(47,111,94,0.3); color: var(--ok-green); }

/* ---------- Логин ---------- */
.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
}
.login-box {
  width: 340px;
  background: var(--paper-raised);
  border-radius: var(--radius);
  padding: 36px 32px;
  border-top: 4px solid var(--stamp-red);
}
.login-box h1 { font-size: 22px; margin-bottom: 4px; }
.login-box .sub { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); margin-bottom: 24px; }

@media (max-width: 760px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; align-items: center; padding: 12px 16px; overflow-x: auto; }
  .sidebar .brand, .sidebar .user-box { display: none; }
  .sidebar nav { flex-direction: row; }
  .main { padding: 24px 20px; }
  .row { flex-direction: column; }
}