:root {
    --bg: #f4f5f7;
    --card: #ffffff;
    --ink: #1c2430;
    --muted: #6b7684;
    --line: #e2e6ea;
    --accent: #1f5fa8;
    --accent-ink: #ffffff;
    --danger: #b23a3a;
    --radius: 8px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--ink);
    font-size: 14px;
    line-height: 1.45;
}

/* ---- Top bar ---- */
.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    background: var(--card);
    border-bottom: 1px solid var(--line);
    padding: 0 20px;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar .brand { font-weight: 700; letter-spacing: .2px; }
.topbar nav { display: flex; gap: 6px; }
.topbar nav a {
    text-decoration: none;
    color: var(--muted);
    padding: 6px 12px;
    border-radius: var(--radius);
    font-weight: 600;
}
.topbar nav a.on, .topbar nav a:hover { background: #eef2f7; color: var(--ink); }
.topbar .user { margin-left: auto; display: flex; align-items: center; gap: 14px; color: var(--muted); }
.topbar .user .logout { color: var(--accent); text-decoration: none; font-weight: 600; }

.wrap { max-width: 1080px; margin: 24px auto; padding: 0 20px; }

.page-head h1 { margin: 0 0 4px; font-size: 20px; }
.muted { color: var(--muted); margin: 0; }

/* ---- Filters ---- */
.filters {
    display: flex;
    align-items: flex-end;
    gap: 14px;
    flex-wrap: wrap;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin: 16px 0;
}
.filters label, .login-card label {
    display: flex;
    flex-direction: column;
    font-size: 12px;
    color: var(--muted);
    font-weight: 600;
    gap: 4px;
}
.filters input, .filters select, .login-card input {
    font-size: 14px;
    padding: 7px 9px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    color: var(--ink);
}

/* ---- Buttons ---- */
.btn {
    display: inline-block;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink);
    padding: 7px 14px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    line-height: 1.2;
}
.btn:hover { background: #f0f3f7; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #1a5192; }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }
.btn-plain { background: transparent; border-color: transparent; color: var(--muted); }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn.disabled { pointer-events: none; opacity: .4; }

/* ---- Toolbar ---- */
.toolbar {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 8px 0 12px;
}
.toolbar .check { display: flex; align-items: center; gap: 6px; font-weight: 600; color: var(--muted); }
.queue { font-weight: 700; color: var(--accent); }
.queue.done { color: #2c8a4a; }

/* ---- Grid table ---- */
.grid {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}
.grid th, .grid td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line); }
.grid thead th { background: #f7f9fb; font-size: 12px; text-transform: uppercase; letter-spacing: .3px; color: var(--muted); }
.grid tbody tr:last-child td { border-bottom: none; }
.grid tbody tr:hover { background: #fafcfe; }
.grid .col-check { width: 34px; }
.grid .col-num { text-align: center; width: 130px; }
.grid td.col-num { text-align: center; font-weight: 700; }
.grid .col-action { width: 130px; text-align: right; }
.grid .empty { text-align: center; color: var(--muted); padding: 26px; }
.printed-count { display: inline-block; min-width: 20px; }

/* ---- Pager ---- */
.pager { display: flex; align-items: center; justify-content: space-between; margin: 16px 0; }
.pager-links { display: flex; gap: 8px; }

/* ---- Login ---- */
.login-body { display: flex; min-height: 100vh; align-items: center; justify-content: center; }
.login-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 28px;
    width: 320px;
    box-shadow: 0 8px 30px rgba(20,30,50,.08);
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.login-card h1 { font-size: 18px; margin: 0; }
.login-card .btn-primary { margin-top: 6px; }
.alert { background: #fdecec; border: 1px solid #f3c2c2; color: var(--danger); padding: 9px 12px; border-radius: 6px; font-size: 13px; }