:root {
    --ink: #12161c;
    --sidebar: #10141a;
    --paper: #f3f1ea;
    --card: #fffdf8;
    --line: #e4ddd0;
    --text: #1c1915;
    --muted: #6f675c;
    --teal: #0f6e62;
    --teal-dark: #0b544b;
    --gold: #b8883d;
    --danger: #9d3b32;
    --ok: #1d6b45;
    --shadow: 0 16px 40px rgba(28, 25, 21, 0.06);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    color: var(--text);
    background: var(--paper);
    font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

a { color: var(--teal-dark); }

.shell {
    display: grid;
    grid-template-columns: 232px 1fr;
    min-height: 100vh;
}

aside {
    background: var(--sidebar);
    color: #f6f1e7;
    display: flex;
    flex-direction: column;
    padding: 28px 18px 18px;
}

.brand {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 0 8px 28px;
}

.mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: linear-gradient(160deg, #f0d48a, #b8883d);
    color: #1b1408;
    font-weight: 700;
    font-size: 20px;
}

.brand strong {
    display: block;
    letter-spacing: 0.16em;
    font-size: 14px;
}

.brand small {
    color: #b7b0a4;
    letter-spacing: 0.08em;
}

aside nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

aside nav a {
    color: #d9d2c6;
    text-decoration: none;
    padding: 11px 12px;
    border-radius: 10px;
}

aside nav a.is-active,
aside nav a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.aside-foot {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 8px 0;
    color: #b7b0a4;
    font-size: 14px;
}

.aside-foot a { color: #f0d48a; text-decoration: none; }

main { padding: 32px 36px 48px; }

.top h1 {
    margin: 0 0 22px;
    font-size: 28px;
    font-weight: 650;
}

.flash {
    margin: 0 0 18px;
    padding: 12px 14px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid var(--line);
}

.flash-ok { color: var(--ok); }
.flash-error { color: var(--danger); }

.stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.stat, .card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.stat { padding: 18px 20px; }
.stat span { display: block; color: var(--muted); font-size: 13px; }
.stat strong { display: block; margin-top: 8px; font-size: 28px; font-weight: 650; }
.stat a { font-size: 18px; text-decoration: none; }

.card { padding: 20px; margin-bottom: 16px; }
.card h2 { margin: 0 0 8px; font-size: 18px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.card-head h2 { margin: 0; }
.card p, .hint { color: var(--muted); line-height: 1.7; }

.form { display: grid; gap: 14px; max-width: 640px; }
label { display: grid; gap: 6px; font-size: 14px; }
input[type="text"], input[type="password"], input[type="url"], input[type="file"], textarea {
    width: 100%;
    border: 1px solid #d9d0c2;
    background: #fff;
    border-radius: 10px;
    padding: 11px 12px;
    font: inherit;
    color: var(--text);
}
input:focus, textarea:focus { outline: 2px solid rgba(15, 110, 98, 0.25); border-color: var(--teal); }
textarea { resize: vertical; min-height: 96px; }
.check { display: flex; align-items: center; gap: 8px; }

.btn, button {
    border: 0;
    border-radius: 999px;
    background: var(--teal);
    color: #fff;
    font: inherit;
    padding: 10px 18px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.btn:hover, button:hover { background: var(--teal-dark); }
.btn-ghost, .link-btn {
    background: transparent;
    color: var(--text);
    border: 1px solid #d9d0c2;
}
.btn-danger { background: transparent; color: var(--danger); border: 1px solid #ecc8c4; padding: 6px 10px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.inline { display: inline; }
.inline button { padding: 6px 10px; background: transparent; color: var(--teal-dark); border: 1px solid #cfe3df; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
td a.url { word-break: break-all; }
.badge {
    display: inline-flex;
    border-radius: 999px;
    padding: 3px 8px;
    font-size: 12px;
    background: #e7f5ef;
    color: var(--ok);
}
.badge.off, .badge.wait { background: #f4eee6; color: var(--muted); }
.badge.busy { background: #fff4df; color: #8a5a12; }
.badge.error { background: #fdeceb; color: #9d3b32; }
.badge.blocked { background: #3a241c; color: #f3d2a2; }
.check-meta { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; line-height: 1.4; }

.logo-preview {
    width: 120px;
    height: 120px;
    border-radius: 20px;
    border: 1px solid var(--line);
    display: grid;
    place-items: center;
    overflow: hidden;
    background: #171c24;
    color: #f0d48a;
    font-size: 42px;
}
.logo-preview img { max-width: 100%; max-height: 100%; object-fit: contain; }

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        radial-gradient(600px 280px at 10% 0%, rgba(184, 136, 61, 0.18), transparent 60%),
        var(--paper);
}
.login-card {
    width: min(420px, 100%);
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 32px 28px;
    box-shadow: var(--shadow);
}
.login-card h1 {
    margin: 12px 0 4px;
    letter-spacing: 0.18em;
    font-size: 28px;
}
.login-card .mark { margin-bottom: 4px; }

.empty { color: var(--muted); padding: 12px 0; }

@media (max-width: 860px) {
    .shell { grid-template-columns: 1fr; }
    aside { position: sticky; top: 0; z-index: 2; padding: 14px; }
    aside nav { flex-direction: row; overflow: auto; }
    .aside-foot { display: none; }
    main { padding: 22px 16px 36px; }
    .stats { grid-template-columns: 1fr; }
    table { display: block; overflow-x: auto; }
}