:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --line: #e2e5ea;
  --text: #1c2430;
  --muted: #7b8798;
  --accent: #2563eb;
  --danger: #c0392b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 15px/1.45 -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 13px; }
.error { color: var(--danger); min-height: 18px; margin: 6px 0 0; font-size: 13px; }
.spacer { flex: 1; }

/* --- вход --- */
.login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 28px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.login-box h1 { margin: 0 0 6px; font-size: 20px; }

/* --- шапка --- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.meta { text-align: right; line-height: 1.3; }
.meta.right { min-width: 120px; }

.search {
  flex: 0 1 320px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

.btn {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}
.btn:hover { background: #f0f2f5; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.primary:disabled { opacity: .6; cursor: default; }

.link {
  background: none;
  border: 0;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  padding: 0;
}

/* --- таблица --- */
main { padding: 16px; }

.grid {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.grid th, .grid td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.grid th {
  background: #eef1f5;
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}
.grid tbody tr:last-child td { border-bottom: 0; }
.grid tbody tr:hover { background: #fafbfc; }

.col-name { width: 18%; }
.col-date { width: 110px; }
.col-paid { width: 130px; text-align: right; }
.col-actions { width: 150px; }

.grid td.paid { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.grid td.name { font-weight: 600; }
.grid td.text { white-space: pre-wrap; word-break: break-word; }
.grid td a { color: var(--accent); }

.row-actions { display: flex; gap: 8px; }
.row-actions button { font-size: 13px; }
.row-actions .del { color: var(--danger); }

.author { display: block; margin-top: 4px; font-size: 12px; color: var(--muted); white-space: nowrap; }

.empty { text-align: center; color: var(--muted); padding: 24px; }

/* --- модалка --- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(20, 26, 34, .45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 10;
}
.modal-box {
  background: var(--card);
  border-radius: 10px;
  padding: 22px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.modal-box h2 { margin: 0; font-size: 18px; }

label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 13px;
  color: var(--muted);
}
input, textarea {
  font: inherit;
  color: var(--text);
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}
textarea { resize: vertical; }
input:focus, textarea:focus { outline: 2px solid rgba(37, 99, 235, .3); border-color: var(--accent); }

.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 4px; }