* { box-sizing: border-box; }
:root {
  --accent: #5b5bf6;
  --accent-dark: #4444d1;
  --ink: #1c1c26;
  --muted: #767686;
  --border: #e7e7ef;
  --bg: #f4f4f9;
}
body { font-family: system-ui, -apple-system, sans-serif; margin: 0; color: var(--ink); background: var(--bg); }

.login-page { display: flex; align-items: center; justify-content: center; height: 100vh; background: linear-gradient(150deg, #eef0ff 0%, var(--bg) 60%); }
.login-box { display: flex; flex-direction: column; gap: 12px; width: 280px; background: #fff; padding: 28px; border-radius: 14px; box-shadow: 0 12px 32px rgba(60, 60, 130, 0.12); border-top: 3px solid var(--accent); }
.login-box h1 { font-size: 19px; margin: 0 0 8px; }
.login-box input { padding: 10px 12px; font-size: 14px; border: 1px solid var(--border); border-radius: 8px; }
.login-box input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(91, 91, 246, 0.15); }
.login-box button { padding: 10px 12px; font-size: 14px; border: none; border-radius: 8px; background: var(--accent); color: #fff; cursor: pointer; font-weight: 600; transition: background 0.15s; }
.login-box button:hover { background: var(--accent-dark); }
.login-box .error { color: #c0392b; margin: 0; font-size: 13px; }

header { display: flex; align-items: center; justify-content: space-between; padding: 18px 28px; background: #fff; border-bottom: 1px solid var(--border); }
header h1 { font-size: 19px; margin: 0; letter-spacing: -0.01em; }
header h1::before { content: "●"; color: var(--accent); margin-right: 8px; font-size: 12px; }
header button { padding: 7px 14px; cursor: pointer; border: 1px solid var(--border); border-radius: 8px; background: #fff; color: var(--muted); transition: all 0.15s; }
header button:hover { border-color: var(--accent); color: var(--accent); }

.empty { padding: 32px; color: var(--muted); text-align: center; }

.tabs { display: flex; gap: 6px; padding: 18px 28px 0; }
.tab-btn { padding: 9px 16px; border: 1px solid var(--border); background: #fff; cursor: pointer; border-radius: 8px 8px 0 0; color: var(--muted); font-size: 13px; font-weight: 500; transition: all 0.15s; }
.tab-btn:hover { color: var(--ink); }
.tab-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); box-shadow: 0 4px 12px rgba(91, 91, 246, 0.3); }

.leads-table { width: calc(100% - 56px); margin: 0 28px 28px; border-collapse: collapse; background: #fff; border-radius: 0 10px 10px 10px; overflow: hidden; box-shadow: 0 4px 20px rgba(30, 30, 60, 0.06); border: 1px solid var(--border); }
.leads-table th, .leads-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 13px; text-align: left; }
.leads-table th { background: #faf9ff; color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; position: sticky; top: 0; }
.leads-table tbody tr:hover { background: #fbfbff; }
.leads-table tbody tr:last-child td { border-bottom: none; }
.leads-table .truncate { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.leads-table input, .leads-table select { padding: 6px 8px; font-size: 13px; width: 100%; min-width: 90px; border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--ink); }
.leads-table input:focus, .leads-table select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(91, 91, 246, 0.15); }

.status-select { font-weight: 600; cursor: pointer; }
.status-select[data-status="Заявка"] { background: #eef1ff; border-color: #c7cdfa; color: #4444d1; }
.status-select[data-status="1 сеанс"] { background: #fff6e0; border-color: #f3d98a; color: #9a6b00; }
.status-select[data-status="Курс лечения"] { background: #e7f9ee; border-color: #a9e6c2; color: #1a8a4c; }

.metrica-error { color: #c0392b; cursor: help; font-size: 12px; }
.metrica-ok { color: #1a8a4c; font-size: 12px; }
.metrica-pending { color: var(--muted); font-size: 12px; }