:root {
    --bg: #0f1115;
    --panel: #1a1d24;
    --border: #2a2e38;
    --text: #e6e8ec;
    --muted: #9aa0ab;
    --accent: #4f8cff;
    --danger: #e5484d;
    --ok: #30a46c;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
}

.topbar {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 0 20px;
    height: 52px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
}
.topbar .brand { font-weight: 600; margin-right: 12px; }
.topbar a { color: var(--muted); text-decoration: none; }
.topbar a:hover { color: var(--text); }
.topbar a.right { margin-left: auto; }

.container { max-width: 1100px; margin: 24px auto; padding: 0 20px; }
.container.page-wide { max-width: 1280px; }
.table-wrap { overflow-x: auto; }

h1 { font-size: 22px; }
h2 { font-size: 16px; color: var(--muted); margin-top: 24px; }

.cards { display: flex; flex-wrap: wrap; gap: 16px; margin: 16px 0; }
.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px 22px;
    min-width: 140px;
}
.card .num { font-size: 28px; font-weight: 700; }
.card .lbl { color: var(--muted); font-size: 13px; margin-top: 4px; }

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 18px;
    margin: 16px 0;
}

table { width: 100%; border-collapse: collapse; margin-top: 10px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--muted); font-weight: 500; }

input, button, select {
    font-size: 14px;
    padding: 8px 10px;
    border-radius: 7px;
    border: 1px solid var(--border);
    background: #11141a;
    color: var(--text);
}
button {
    background: var(--accent);
    border: none;
    color: #fff;
    cursor: pointer;
    white-space: nowrap;
    width: auto;
    flex-shrink: 0;
}
button:hover { opacity: .9; }
button.danger { background: var(--danger); }

.inline-form { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.inline-form .chk { display: flex; align-items: center; gap: 6px; color: var(--muted); }
td form { display: inline; }

.hint { color: var(--muted); font-size: 12px; margin-top: 8px; }

.badge { padding: 2px 8px; border-radius: 20px; font-size: 12px; }
.badge.active { background: rgba(48,164,108,.2); color: var(--ok); }
.badge.revoked, .badge.refunded { background: rgba(229,72,77,.2); color: var(--danger); }
.badge.pending { background: rgba(154,160,171,.2); color: var(--muted); }

.login-box {
    max-width: 340px;
    margin: 80px auto;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
}
.login-box h1 { font-size: 18px; margin-top: 0; }
.login-box label { display: block; margin: 14px 0; color: var(--muted); font-size: 13px; }
.login-box input { width: 100%; margin-top: 6px; }
.login-box button { width: 100%; margin-top: 10px; padding: 10px; }
.error { color: var(--danger); font-size: 13px; }

button.ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}
button.ghost:hover { background: #11141a; }

.modal-mask {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .55);
    z-index: 80;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.modal-mask.open { display: flex; }
.modal {
    width: min(560px, 100%);
    max-height: calc(100vh - 48px);
    overflow: auto;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 22px 24px 20px;
}
.modal h2 { margin: 0 0 16px; font-size: 18px; color: var(--text); }
.modal .row { display: flex; gap: 12px; margin: 10px 0; align-items: flex-start; }
.modal .lbl { width: 72px; flex-shrink: 0; color: var(--muted); font-size: 13px; padding-top: 6px; }
.modal .val { flex: 1; word-break: break-all; font-size: 14px; }
.modal .machine-line { display: flex; align-items: center; gap: 8px; margin: 4px 0; }
.modal .machine-line code { font-size: 12px; }
.modal .actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.modal .stack { display: flex; flex-direction: column; gap: 10px; flex: 1; }
.modal .stack input, .modal .stack select { width: 100%; }
.modal .field-hint {
    display: block;
    color: var(--muted);
    font-size: 12px;
    margin-top: 4px;
}
.modal .dt-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    margin-top: 6px;
}
.modal .dt-row select { width: auto; min-width: 0; }
.machine-brief {
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-family: ui-monospace, Consolas, monospace;
    font-size: 12px;
}
.machine-cell { display: flex; align-items: center; gap: 8px; flex-wrap: nowrap; }
table.compact th, table.compact td { white-space: nowrap; vertical-align: middle; }