:root {
    --bg: #0f1220;
    --bg-soft: #171a2e;
    --card: #1d2138;
    --card-2: #232847;
    --border: #2f3560;
    --text: #e8eaf6;
    --muted: #9aa0c0;
    --primary: #5b7cfa;
    --primary-2: #6f8dff;
    --ok: #2fbf71;
    --warn: #e6a23c;
    --err: #f0676b;
    --radius: 14px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: radial-gradient(1200px 600px at 70% -10%, #1b2140 0%, var(--bg) 60%);
    color: var(--text);
    font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
}

a { color: var(--primary-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 24px;
    background: rgba(23, 26, 46, 0.8);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(6px);
}
.brand { font-weight: 700; font-size: 18px; color: var(--text); }
.nav { display: flex; align-items: center; gap: 18px; }
.nav a { color: var(--text); }
.inline-form { display: inline; }
.link-btn {
    background: none;
    border: none;
    color: var(--err);
    cursor: pointer;
    font-size: 14px;
}
.link-btn:hover { text-decoration: underline; }

.container {
    flex: 1;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 20px;
}

.footer {
    text-align: center;
    padding: 18px;
    color: var(--muted);
    font-size: 13px;
}

/* ---------- 卡片与布局 ---------- */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}
.card-section + .card-section { border-top: 1px solid var(--border); margin-top: 22px; padding-top: 22px; }
.card h2 { margin: 0 0 14px; font-size: 17px; color: var(--primary-2); }
.card p { margin: 6px 0; line-height: 1.7; }

.stack { display: flex; flex-direction: column; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field span { font-size: 13px; color: var(--muted); }
.field input {
    padding: 11px 13px;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: var(--card-2);
    color: var(--text);
    font-size: 15px;
}
.field input:focus { outline: 2px solid var(--primary); border-color: transparent; }
.field input:disabled { opacity: 0.6; }
.checkbox { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); cursor: pointer; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 18px;
    border-radius: 9px;
    border: 1px solid var(--border);
    background: var(--card-2);
    color: var(--text);
    cursor: pointer;
    font-size: 14px;
    text-decoration: none;
}
.btn:hover { text-decoration: none; filter: brightness(1.1); }
.btn-primary { background: var(--primary); border-color: var(--primary); font-weight: 600; }
.btn-primary:hover { background: var(--primary-2); }
.btn-danger { background: var(--err); border-color: var(--err); color: #fff; }
.btn-danger:hover { background: var(--err); filter: brightness(.92); }
.btn-sm { padding: 5px 11px; font-size: 12px; border-radius: 7px; }
.file-btn { position: relative; overflow: hidden; }

.alert { padding: 12px 15px; border-radius: 10px; margin-bottom: 16px; font-size: 14px; line-height: 1.6; }
.alert-error { background: rgba(240, 103, 107, 0.14); border: 1px solid var(--err); color: var(--err); }
.alert-ok { background: rgba(47, 191, 113, 0.12); border: 1px solid var(--ok); color: var(--ok); }
.alert-warn { background: rgba(230, 162, 60, 0.14); border: 1px solid var(--warn); color: var(--warn); }
.muted { color: var(--muted); }
code { background: var(--card-2); padding: 2px 6px; border-radius: 6px; }

/* ---------- 登录 / 强制改密 ---------- */
.login-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 62vh;
    gap: 14px;
    max-width: 400px;
    margin: 0 auto;
}
.login-card {
    width: 100%;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}
.login-card h1 { margin: 0 0 6px; font-size: 22px; }

/* ---------- 个人资料 ---------- */
.profile-cols {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 20px;
    align-items: start;
}
@media (max-width: 720px) {
    .profile-cols { grid-template-columns: 1fr; }
}
.profile-avatar-card { text-align: center; }
.avatar-preview {
    width: 128px;
    height: 128px;
    border-radius: 12px;
    object-fit: cover;
    border: 3px solid var(--primary);
    margin-bottom: 12px;
}
.profile-name { margin: 4px 0; }
.profile-avatar-card .btn { margin-top: 10px; }

/* ---------- 刷怪笼 ---------- */
.spawn-box { display: flex; flex-direction: column; gap: 20px; max-width: 860px; margin: 0 auto; }
.table { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 14px; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.table th { color: var(--muted); font-weight: 600; }