:root {
  --bg: #f3f6f8;
  --ink: #1a2b3c;
  --muted: #66788a;
  --line: #d7e0e8;
  --card: #ffffff;
  --accent: #0b6e99;
  --accent-soft: #e7f4fa;
  --danger: #b42318;
  --ok: #067647;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #dcebF5 0%, transparent 55%),
    linear-gradient(180deg, #eef5f9, var(--bg) 40%);
  font: 15px/1.55 "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: min(1200px, calc(100% - 32px)); margin: 0 auto; padding: 28px 0 56px; }
.topbar {
  display: flex; gap: 12px; align-items: center; justify-content: space-between;
  margin-bottom: 18px; flex-wrap: wrap;
}
.brand h1 { margin: 0; font-size: 24px; letter-spacing: .01em; }
.brand p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.nav { display: flex; gap: 10px; flex-wrap: wrap; }
.nav a, .btn, button {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 9px 14px; border-radius: 10px; border: 1px solid var(--line);
  background: #fff; color: var(--ink); cursor: pointer; font: inherit;
  text-decoration: none;
}
.nav a.active, .btn-primary, button[type=submit] {
  background: var(--accent); border-color: var(--accent); color: #fff;
}
.btn-primary:hover, button[type=submit]:hover { filter: brightness(.95); text-decoration: none; }

.filters {
  display: grid;
  grid-template-columns: 1.4fr 1fr auto auto;
  gap: 10px;
  margin: 16px 0 14px;
  padding: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.filters input, .filters select, .login-card input, .import-card input[type=file], .import-card input[type=text] {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  font: inherit;
  outline: none;
}
.filters input:focus, .filters select:focus, .login-card input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px #0b6e9922;
}
.meta {
  display: flex; gap: 14px; flex-wrap: wrap; color: var(--muted); font-size: 13px; margin-bottom: 10px;
}
.meta strong { color: var(--ink); font-weight: 700; }

.table-card {
  overflow: auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 14px 36px #16324f10;
}
table { width: 100%; border-collapse: collapse; min-width: 980px; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th {
  position: sticky; top: 0;
  background: #edf5f9; color: #31536c;
  font-size: 12px; letter-spacing: .04em; white-space: nowrap;
}
tbody tr:hover { background: #f8fbfd; }
.mono { font-family: Consolas, "SF Mono", Menlo, monospace; font-size: 13px; }
.suffix {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-size: 12px; font-weight: 700;
}
.muted { color: var(--muted); }
.error { color: var(--danger); }
.ok { color: var(--ok); }
.empty { padding: 40px; text-align: center; color: var(--muted); }

.pager { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; align-items: center; }
.pager a, .pager span {
  padding: 7px 11px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink);
}
.pager .current { background: var(--accent); border-color: var(--accent); color: #fff; }

.login-body {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
}
.login-card, .import-card {
  width: min(420px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 18px 48px #16324f14;
}
.login-card h1, .import-card h1 { margin: 0 0 8px; font-size: 22px; }
.login-card input { margin: 14px 0; }
.login-card button { width: 100%; }

.import-wrap { display: grid; gap: 16px; grid-template-columns: 1.1fr .9fr; }
.import-card { width: auto; }
.import-card form { display: grid; gap: 12px; }
.flash {
  padding: 12px 14px; border-radius: 10px; margin-bottom: 12px;
  background: #ecfdf3; color: var(--ok); border: 1px solid #abefc6;
}
.flash.err { background: #fef3f2; color: var(--danger); border-color: #fecdca; }
.logs { font-size: 13px; }
.logs table { min-width: 0; }

@media (max-width: 860px) {
  .filters { grid-template-columns: 1fr; }
  .import-wrap { grid-template-columns: 1fr; }
  .wrap { width: min(100% - 20px, 1200px); }
}