:root {
    --bg: #0f1226;
    --bg2: #161a3a;
    --card: #1c2147;
    --card2: #232a5c;
    --text: #e8ebff;
    --muted: #9aa3d4;
    --accent: #6c8cff;
    --accent2: #9b6cff;
    --ok: #3ddc97;
    --radius: 14px;
    --border: rgba(255,255,255,.08);
}

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

body {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: radial-gradient(1200px 600px at 80% -10%, #2a2f6a 0%, transparent 60%), var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* Hero */
.hero {
    padding: 56px 20px 36px;
    text-align: center;
    background: linear-gradient(135deg, rgba(108,140,255,.18), rgba(155,108,255,.18));
    border-bottom: 1px solid var(--border);
}
.hero h1 { font-size: 2.4rem; letter-spacing: .5px; background: linear-gradient(90deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.subtitle { color: var(--muted); margin-top: 10px; font-size: 1.05rem; }

/* Layout */
.container { max-width: 880px; margin: 0 auto; padding: 28px 20px 60px; }
.card {
    background: linear-gradient(180deg, var(--card), var(--bg2));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    margin-bottom: 22px;
    box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.card > label, .card h2 { display: block; margin-bottom: 12px; font-size: 1.05rem; }
.hint { color: var(--muted); font-size: .85rem; margin-top: 10px; }

/* Input */
.input-row { display: flex; gap: 10px; }
#inputUrl {
    flex: 1;
    padding: 14px 16px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #0d1030;
    color: var(--text);
    font-size: 1rem;
    outline: none;
    transition: border-color .2s;
}
#inputUrl:focus { border-color: var(--accent); }
.input-tools { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; }
.paste-hint { font-size: .82rem; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.paste-hint input { accent-color: var(--accent); }

.btn-primary {
    padding: 14px 22px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform .15s, opacity .2s;
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: .9rem;
    transition: color .2s, border-color .2s;
}
.btn-ghost:hover { color: var(--text); border-color: var(--accent); }
.btn-ghost:disabled { opacity: .5; cursor: not-allowed; }
.btn-sm { padding: 6px 11px; font-size: .8rem; }

/* Results */
.results-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; gap: 12px; flex-wrap: wrap; }
.results-head-right { display: flex; align-items: center; gap: 10px; }
.seg { display: inline-flex; background: #0d1030; border: 1px solid var(--border); border-radius: 10px; padding: 3px; }
.seg-btn {
    border: none; background: transparent; color: var(--muted);
    padding: 7px 14px; border-radius: 8px; cursor: pointer; font-size: .9rem;
}
.seg-btn.active { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; }

.result-list { display: flex; flex-direction: column; gap: 12px; }
.result-item {
    background: var(--card2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
}
.result-item.dragging { opacity: .4; }
.result-item .ri-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; gap: 10px; }
.result-item .ri-left { display: flex; align-items: center; gap: 8px; }
.result-item .ri-name { font-weight: 600; color: var(--accent); }
.result-item .ri-tag {
    font-size: .65rem; font-weight: 700; letter-spacing: .5px;
    color: var(--bg); background: var(--ok);
    padding: 1px 7px; border-radius: 6px;
}
.result-item.ti-raw .ri-tag { background: #ffd166; }
.result-item.ti-file .ri-tag { background: #6c8cff; color: #fff; }
.result-item.ti-release .ri-tag { background: #3ddc97; }
.result-item.ti-repo .ri-tag { background: #9b6cff; color: #fff; }
.result-item.ti-gist .ri-tag { background: #ff8fab; color: #fff; }
.result-item .ri-actions { display: flex; gap: 8px; }
.result-item .ri-url {
    display: block;
    font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
    font-size: .82rem;
    color: var(--muted);
    word-break: break-all;
    background: #0d1030;
    padding: 8px 10px;
    border-radius: 8px;
}
.mini-btn {
    font-size: .8rem; padding: 5px 10px; border-radius: 7px; cursor: pointer;
    border: 1px solid var(--border); background: transparent; color: var(--text);
    text-decoration: none;
}
.mini-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Nodes */
.nodes-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; gap: 10px; flex-wrap: wrap; }
.nodes-head-actions { display: flex; gap: 8px; }
.node-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.node-row {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px; background: var(--card2); border: 1px solid var(--border); border-radius: 9px;
    cursor: grab;
}
.node-row.dragging { opacity: .4; }
.node-row .n-drag { color: var(--muted); cursor: grab; user-select: none; font-size: .9rem; }
.node-row .n-info { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.node-row .n-name { font-weight: 600; cursor: pointer; }
.node-row .n-name:hover { color: var(--accent); }
.node-row .n-host { font-size: .8rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.node-row .n-speed { font-size: .7rem; font-weight: 700; padding: 1px 7px; border-radius: 6px; background: #0d1030; color: var(--muted); }
.node-row .n-speed.s-ok { background: rgba(61,220,151,.15); color: var(--ok); }
.node-row .n-speed.s-bad { background: rgba(255,122,144,.15); color: #ff7a90; }
.node-row .n-actions { display: flex; gap: 6px; }
.node-row .n-mini {
    width: 26px; height: 26px; border-radius: 7px; cursor: pointer;
    border: 1px solid var(--border); background: transparent; color: var(--muted); font-size: .85rem;
}
.node-row .n-mini:hover { color: var(--text); border-color: var(--accent); }
.node-row .n-del:hover { color: #ff7a90; border-color: #ff7a90; }

/* Node source details */
.src-details { margin-top: 14px; border-top: 1px dashed var(--border); padding-top: 12px; }
.src-details summary { cursor: pointer; color: var(--accent); font-size: .85rem; user-select: none; }
.src-details summary:hover { color: var(--text); }
.src-body { margin-top: 10px; color: var(--muted); font-size: .85rem; }
.src-body ul { list-style: none; display: flex; flex-direction: column; gap: 6px; margin: 8px 0; }
.src-body li { padding-left: 16px; position: relative; }
.src-body li::before { content: '▹'; position: absolute; left: 0; color: var(--accent); }
.src-body a { color: var(--accent); text-decoration: none; }
.src-body a:hover { text-decoration: underline; }
.src-maker { margin-top: 10px; color: var(--text); }

/* FAQ */
.faq ul { list-style: none; display: flex; flex-direction: column; gap: 8px; color: var(--muted); }
.faq li { padding-left: 16px; position: relative; }
.faq li::before { content: '▹'; position: absolute; left: 0; color: var(--accent); }
.faq code { background: #0d1030; padding: 2px 6px; border-radius: 5px; color: var(--ok); font-size: .85rem; }
.faq em { color: var(--accent); font-style: normal; }

/* Footer */
.footer { text-align: center; color: var(--muted); font-size: .82rem; padding: 24px; border-top: 1px solid var(--border); }
.footer-links { margin-top: 8px; font-size: .8rem; }
.footer-links a { color: var(--accent); text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.footer-os { margin-top: 6px; font-size: .76rem; color: var(--muted); }

/* Toast */
.toast {
    position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
    background: var(--ok); color: #05291c; padding: 11px 20px; border-radius: 10px;
    font-weight: 600; box-shadow: 0 8px 24px rgba(0,0,0,.3); z-index: 60;
}

@media (max-width: 560px) {
    .input-row { flex-direction: column; }
    .btn-primary { width: 100%; }
    .hero h1 { font-size: 1.9rem; }
    .results-head-right { width: 100%; justify-content: space-between; }
    .node-row .n-host { display: none; }
}