body { margin: 0; font-family: "Microsoft YaHei UI", sans-serif; background: #f3f4f6; color: #111827; }
.hidden { display: none !important; }
.login-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card { width: 100%; max-width: 420px; background: #fff; border-radius: 16px; padding: 24px; box-shadow: 0 8px 28px rgba(0,0,0,.08); }
.login-card h1 { margin: 0 0 8px; font-size: 26px; }
.container { display: grid; grid-template-columns: 320px 1fr; min-height: 100vh; }
.sidebar { background: #111827; color: #fff; padding: 20px; }
.sidebar h1 { font-size: 22px; margin-top: 0; }
.main { padding: 20px; display: grid; gap: 16px; }
.card { background: #fff; border-radius: 12px; padding: 16px; box-shadow: 0 2px 8px rgba(0,0,0,.06); }
label { display: block; margin: 8px 0 6px; font-size: 13px; }
input, button, textarea { width: 100%; box-sizing: border-box; padding: 10px 12px; border-radius: 8px; border: 1px solid #d1d5db; margin-bottom: 10px; font: inherit; }
textarea { resize: vertical; min-height: 96px; }
button { background: #2563eb; color: #fff; border: none; cursor: pointer; }
button:hover { background: #1d4ed8; }
.muted { color: #9ca3af; font-size: 12px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.inline-checks { display: flex; gap: 16px; margin: 8px 0 14px; }
.inline-checks label { display: flex; align-items: center; gap: 8px; }
.inline-checks input { width: auto; margin: 0; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { border-bottom: 1px solid #e5e7eb; text-align: left; padding: 10px 8px; vertical-align: top; }
.action-btn { width: auto; padding: 6px 10px; margin: 0; }
@media (max-width: 960px) { .container { grid-template-columns: 1fr; } .form-grid { grid-template-columns: 1fr; } }