:root {
    color-scheme: light;
    --panel-bg: rgba(255, 255, 255, 0.26);
    --panel-border: rgba(255, 255, 255, 0.48);
    --soft-bg: rgba(255, 255, 255, 0.18);
    --soft-border: rgba(255, 255, 255, 0.28);
    --text-main: #1f2937;
    --text-soft: #475569;
    --accent: #16a34a;
    --accent-2: #2563eb;
    --danger: #dc2626;
    --shadow: 0 20px 48px rgba(15, 23, 42, 0.16);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    padding: 28px;
    padding-top: 112px;
    color: var(--text-main);
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.18)),
        url("https://rustfs.sctserver.top:448/pearl-config-web/background-image.png");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid var(--panel-border);
    background: rgba(255, 255, 255, 0.32);
    backdrop-filter: blur(18px) saturate(170%);
    -webkit-backdrop-filter: blur(18px) saturate(170%);
    box-shadow: var(--shadow);
    z-index: 20;
}

.brand {
    font-size: 15px;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: 0.02em;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.nav-link {
    padding: 9px 14px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.36);
    background: rgba(255, 255, 255, 0.18);
    color: var(--text-main);
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.nav-link:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.32);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.12);
}

.nav-link.is-active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.92), rgba(37, 99, 235, 0.84));
    color: #fff;
    border-color: rgba(191, 219, 254, 0.84);
    box-shadow: 0 14px 28px rgba(37, 99, 235, 0.18);
}

.shell {
    max-width: 1440px;
    margin: 0 auto;
}

.hero {
    margin-bottom: 20px;
    padding: 22px 24px;
    border-radius: 16px;
    border: 1px solid var(--panel-border);
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
}

.hero h1 {
    font-size: 34px;
    line-height: 1.1;
    margin-bottom: 8px;
}

.hero p {
    color: var(--text-soft);
    font-size: 15px;
    line-height: 1.6;
}

.layout {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(360px, 0.9fr);
    gap: 20px;
    align-items: start;
}

.panel {
    border-radius: 16px;
    border: 1px solid var(--panel-border);
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
}

.panel-head {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.panel-title {
    font-size: 22px;
    font-weight: 700;
}

.panel-subtitle {
    margin-top: 4px;
    color: var(--text-soft);
    font-size: 13px;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

button {
    border: 1px solid rgba(255, 255, 255, 0.24);
    background: rgba(255, 255, 255, 0.24);
    color: var(--text-main);
    height: 38px;
    padding: 0 14px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 14px;
    transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

button:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.2);
}

button.primary {
    background: rgba(22, 163, 74, 0.18);
    border-color: rgba(22, 163, 74, 0.28);
    color: #166534;
}

button.secondary {
    background: rgba(37, 99, 235, 0.14);
    border-color: rgba(37, 99, 235, 0.22);
}

button.danger {
    background: rgba(220, 38, 38, 0.12);
    border-color: rgba(220, 38, 38, 0.2);
    color: #991b1b;
}

.editor-body {
    padding: 18px;
    display: grid;
    gap: 14px;
}

.server-card {
    border-radius: 14px;
    border: 1px solid var(--soft-border);
    background: var(--soft-bg);
    padding: 16px;
}

.server-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.server-badge {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 10px;
    border-radius: 999px;
    font-size: 13px;
    color: #1d4ed8;
    background: rgba(37, 99, 235, 0.12);
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.field {
    display: grid;
    gap: 7px;
}

.field.span-2 {
    grid-column: span 2;
}

label {
    font-size: 13px;
    color: var(--text-soft);
}

input {
    width: 100%;
    height: 40px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.58);
    color: var(--text-main);
    padding: 0 12px;
    font-size: 14px;
    outline: none;
}

input:focus,
textarea:focus {
    border-color: rgba(134, 239, 172, 0.45);
    box-shadow: 0 0 0 3px rgba(134, 239, 172, 0.12);
}

.optional-box {
    margin-top: 14px;
    border-radius: 12px;
    border: 1px dashed rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.optional-toggle {
    width: 100%;
    height: auto;
    border: 0;
    border-radius: 0;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    text-align: left;
}

.optional-toggle span:last-child {
    color: var(--text-soft);
    font-size: 12px;
}

.optional-content {
    display: none;
    padding: 0 14px 14px;
}

.optional-box.open .optional-content {
    display: block;
}

.json-panel {
    position: sticky;
    top: 20px;
}

.json-body {
    padding: 18px;
    display: grid;
    gap: 12px;
}

textarea {
    width: 100%;
    min-height: min(320px, calc(100vh - 380px));
    resize: vertical;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.58);
    color: #1f2937;
    padding: 14px;
    font-size: 13px;
    line-height: 1.6;
    outline: none;
    font-family: Consolas, "SFMono-Regular", Menlo, Monaco, monospace;
}

.status {
    min-height: 22px;
    font-size: 13px;
    color: var(--text-soft);
}

.status.error {
    color: #fecaca;
}

.tips {
    display: grid;
    gap: 10px;
    padding: 0 18px 18px;
}

.tip {
    border-radius: 12px;
    padding: 12px 14px;
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: var(--text-soft);
    font-size: 13px;
    line-height: 1.6;
}

@media (max-width: 1100px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .json-panel {
        position: static;
    }
}

@media (max-width: 720px) {
    body {
        padding: 16px;
        padding-top: 108px;
    }

    .topbar {
        padding: 12px;
        align-items: flex-start;
        flex-direction: column;
    }

    .nav-links {
        width: 100%;
        justify-content: flex-start;
    }

    .hero h1 {
        font-size: 28px;
    }

    .grid {
        grid-template-columns: 1fr;
    }

    .field.span-2 {
        grid-column: span 1;
    }

    textarea {
        min-height: min(240px, calc(100vh - 280px));
    }
}