:root {
    color-scheme: light;
    --ink: #172437;
    --muted: #4d6179;
    --subtle: #eef3fa;
    --line: #d7e1ed;
    --paper: #fff;
    --canvas: #f5f8fc;
    --brand: #2357cf;
    --brand-dark: #1742a6;
    --rail: #132238;
    --rail-muted: #b5c6dc;
    --success: #14623c;
    --danger: #9c2a33;
    font-family: "Inter", "Microsoft YaHei UI", "PingFang SC", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-size: 14px; line-height: 1.55; }
a { color: var(--brand-dark); text-underline-offset: 3px; }
a:hover { color: var(--brand); }
button, input, select { font: inherit; }
:focus-visible { outline: 2px solid #6b99fa; outline-offset: 3px; }
h1, h2, p { margin: 0; }
h1 { font-size: clamp(1.65rem, 4vw, 2.1rem); line-height: 1.25; letter-spacing: -.035em; }
h2 { font-size: 1.075rem; line-height: 1.4; }
code, pre { font-family: "IBM Plex Mono", Consolas, monospace; }

.workspace { display: grid; grid-template-columns: 225px minmax(0, 1fr); min-height: 100vh; }
.rail { background: var(--rail); color: var(--paper); padding: 25px 16px; }
.brand { display: flex; align-items: center; gap: 10px; padding: 0 9px; font-weight: 700; font-size: 16px; }
.nav { display: grid; gap: 6px; margin-top: 34px; }
.nav a { border-radius: 7px; padding: 9px 12px; color: var(--rail-muted); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { background: #263c5b; color: var(--paper); }
.nav a[aria-current="page"] { font-weight: 700; }
.rail .profile { border-top: 1px solid #39506f; margin-top: 30px; padding: 16px 9px 0; display: grid; gap: 9px; overflow-wrap: anywhere; }
.rail .profile .muted { color: var(--rail-muted); }
.rail .profile form { margin: 0; }
.rail .profile button { border-color: #536c8d; color: var(--paper); background: transparent; }
.rail .profile button:hover { background: #263c5b; }
.main { width: 100%; max-width: 1500px; margin: 0 auto; padding: clamp(20px, 4vw, 48px); min-width: 0; }
.heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 22px; }

.card { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; min-width: 0; }
.card + .card { margin-top: 16px; }
.card-header { padding: 16px 18px; border-bottom: 1px solid var(--line); }
.card-body { padding: 18px; }
.stack { display: grid; gap: 16px; align-content: start; }
.split { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(260px, 1fr); gap: 16px; align-items: start; }
.split > .card { margin: 0; }
.muted { color: var(--muted); }
.mono { font-family: "IBM Plex Mono", Consolas, monospace; font-size: .93em; overflow-wrap: anywhere; }
.inline-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 170px), 1fr)); gap: 13px; }
.field { display: grid; gap: 5px; align-content: start; min-width: 0; }
.field > span { font-weight: 600; }
.field small { color: var(--muted); }
.full-width { grid-column: 1 / -1; }
input:not([type="checkbox"]), select {
    width: 100%; min-width: 0; padding: 8px 10px; border-radius: 6px;
    border: 1px solid #aebed2; background: var(--paper); color: var(--ink);
}
input[readonly] { background: var(--subtle); }
input[type="checkbox"] { accent-color: var(--brand); }
.check { display: inline-flex; align-items: center; gap: 6px; }
.check input { margin: 0; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 14px; }
.filters { display: flex; align-items: end; gap: 10px; flex-wrap: wrap; }
.filters .field { flex: 1 1 155px; }
.filters .form-actions { margin-top: 0; }

.button {
    appearance: none; display: inline-flex; align-items: center; justify-content: center;
    padding: 8px 12px; border-radius: 6px; border: 1px solid #aebed2;
    background: var(--paper); color: var(--ink); cursor: pointer; font-weight: 600;
    line-height: 1.55; text-decoration: none; white-space: nowrap;
}
.button:hover { background: var(--subtle); color: var(--ink); }
.button.primary { border-color: var(--brand); background: var(--brand); color: #fff; }
.button.primary:hover { border-color: var(--brand-dark); background: var(--brand-dark); }
.button.compact { padding: 5px 9px; }

.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; }
th, td { padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--subtle); color: #304664; font-size: 12px; font-weight: 700; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
td { max-width: 480px; overflow-wrap: anywhere; }
td.nowrap, .nowrap { white-space: nowrap; }
.empty { text-align: center; padding: 30px 16px; color: var(--muted); }
.pager { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; border-top: 1px solid var(--line); color: var(--muted); }
summary { color: var(--brand-dark); cursor: pointer; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; margin: 5px 0 0; padding: 8px; background: var(--subtle); border-radius: 5px; }
.details { display: grid; gap: 8px; margin-top: 8px; }
.status { display: inline-block; padding: 2px 7px; font-size: 12px; font-weight: 600; border-radius: 5px; white-space: nowrap; background: var(--subtle); color: var(--muted); }
.status.success { color: var(--success); background: #e5f5ed; }
.status.danger { color: var(--danger); background: #fff0f1; }
.notice { margin-bottom: 16px; padding: 10px 13px; border: 1px solid #a4c6b4; border-radius: 7px; color: var(--success); background: #eef8f2; }
.notice.error { color: var(--danger); background: #fff2f3; border-color: #e6afb5; }

.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 20px; background: radial-gradient(ellipse at 50% 15%, #deebfd, var(--canvas) 70%); }
.login-card { width: min(100%, 420px); padding: 30px; box-shadow: 0 14px 38px #152d4f13; }
.login-card .brand { padding: 0; margin-bottom: 24px; }
.login-card h1 { margin-bottom: 18px; }
.login-card .button { width: 100%; }

@media (max-width: 890px) {
    .split { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    .workspace { grid-template-columns: minmax(0, 1fr); }
    .rail { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; padding: 12px; }
    .rail .brand { padding: 0; }
    .rail .profile { margin: 0 0 0 auto; padding: 0; border: 0; display: flex; flex-wrap: wrap; align-items: center; }
    .nav { display: flex; flex-wrap: wrap; gap: 4px; margin: 0; order: 1; width: 100%; }
    .nav a { padding: 5px 8px; }
    .main { padding: 18px 12px; }
    th, td { padding: 8px 10px; }
}