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

:root {
    --r: 12px;
}

[data-theme="dark"] {
    --bg: #0b0d12;
    --bg1: #13161d;
    --bg2: #1b1f28;
    --bg3: #252a36;
    --border: rgba(255,255,255,.07);
    --border2: rgba(255,255,255,.12);
    --t1: #eaecf2;
    --t2: #8d92a8;
    --t3: #525873;
    --accent: #4f8ff7;
    --accent2: #70a5fa;
    --green: #34d399;
    --red: #f87171;
    --yellow: #fbbf24;
    --card-shadow: 0 2px 12px rgba(0,0,0,.3);
}

[data-theme="light"] {
    --bg: #f4f5f7;
    --bg1: #ffffff;
    --bg2: #edeef1;
    --bg3: #dfe1e6;
    --border: rgba(0,0,0,.08);
    --border2: rgba(0,0,0,.13);
    --t1: #1a1d26;
    --t2: #5a6078;
    --t3: #8b90a5;
    --accent: #3b6de0;
    --accent2: #5588f0;
    --green: #16a34a;
    --red: #dc2626;
    --yellow: #ca8a04;
    --card-shadow: 0 2px 12px rgba(0,0,0,.06);
}

html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--t1);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    transition: background .3s, color .3s;
}

.app { max-width: 720px; margin: 0 auto; padding: 0 20px; min-height: 100vh; display: flex; flex-direction: column; }

.header {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 12px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-avatar { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border2); }
.brand-text { display: flex; flex-direction: column; }
.brand-name { font-size: 1.05rem; font-weight: 800; letter-spacing: -.3px; }
.brand-shop {
    font-size: .78rem; color: var(--accent); text-decoration: none; font-weight: 600;
}
.brand-shop:hover { text-decoration: underline; }

.header-right { display: flex; align-items: center; gap: 10px; }
.qq-tags { display: flex; gap: 6px; }
.qq-tag {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 6px 12px; border-radius: 20px;
    font-size: .78rem; font-weight: 600; color: var(--accent);
    background: none; border: 1px solid var(--border2);
    cursor: pointer; font-family: inherit; transition: all .15s ease;
}
.qq-tag:hover { background: var(--bg2); border-color: var(--accent); }

.theme-btn {
    width: 38px; height: 38px; border-radius: 50%;
    display: grid; place-items: center;
    background: var(--bg2); border: 1px solid var(--border2);
    color: var(--t2); font-size: 1rem; cursor: pointer;
    transition: all .2s ease;
}
.theme-btn:hover { color: var(--accent); border-color: var(--accent); }

.main { flex: 1; padding: 0 0 30px; }

.hero { text-align: center; padding: 40px 0 32px; }
.hero h1 { font-size: 1.8rem; font-weight: 900; letter-spacing: -.5px; margin-bottom: 8px; }
.hero-desc { font-size: .95rem; color: var(--t2); margin-bottom: 18px; line-height: 1.6; }
.hero-tags { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.htag {
    font-size: .8rem; color: var(--t2); padding: 5px 14px;
    background: var(--bg1); border: 1px solid var(--border);
    border-radius: 20px; display: inline-flex; align-items: center; gap: 6px;
}
.htag i { font-size: .72rem; color: var(--accent); }

.input-area { margin-bottom: 20px; }
textarea {
    width: 100%; min-height: 120px; padding: 16px;
    background: var(--bg1); border: 1px solid var(--border2);
    border-radius: var(--r); color: var(--t1); font-size: .88rem;
    font-family: 'JetBrains Mono', monospace; resize: vertical;
    transition: border-color .2s, box-shadow .2s; line-height: 1.8;
}
textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,143,247,.15); }
textarea::placeholder { color: var(--t3); }

.input-actions { display: flex; gap: 10px; margin-top: 12px; }
.btn {
    padding: 11px 24px; border: none; border-radius: 10px; cursor: pointer;
    font-size: .88rem; font-weight: 600; font-family: inherit;
    transition: all .15s ease; display: inline-flex; align-items: center; gap: 7px;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent2); box-shadow: 0 4px 16px rgba(79,143,247,.3); }
.btn-ghost { background: none; color: var(--t3); border: 1px solid var(--border2); }
.btn-ghost:hover { color: var(--t2); border-color: var(--t3); }

.section-label {
    font-size: .85rem; font-weight: 700; color: var(--t2);
    margin-bottom: 14px; display: flex; align-items: center; gap: 8px;
}
.section-label i { color: var(--accent); }

.result-area {
    background: var(--bg1); border: 1px solid var(--border);
    border-radius: var(--r); padding: 22px; margin-bottom: 18px;
    box-shadow: var(--card-shadow);
}

.cards-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.card {
    background: var(--bg1); border: 1px solid var(--border);
    border-radius: var(--r); padding: 20px;
    box-shadow: var(--card-shadow);
}
.card-title {
    font-size: .88rem; font-weight: 700; margin-bottom: 16px;
    padding-bottom: 12px; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 8px;
}
.card-title i { color: var(--accent); }

.f { margin-bottom: 12px; }
.f:last-child { margin-bottom: 0; }
.f-label { font-size: .72rem; font-weight: 600; color: var(--t3); text-transform: uppercase; letter-spacing: .4px; margin-bottom: 4px; }
.f-row { display: flex; align-items: center; gap: 8px; }
.f-val {
    flex: 1; padding: 9px 12px;
    background: var(--bg); border: 1px solid var(--border);
    border-radius: 8px; font-size: .82rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--t1); word-break: break-all; line-height: 1.6;
}
.cp-btn {
    padding: 8px 10px; background: none;
    border: 1px solid var(--border); border-radius: 8px;
    color: var(--t3); cursor: pointer; font-size: .75rem;
    transition: all .15s ease; display: grid; place-items: center;
}
.cp-btn:hover { border-color: var(--accent); color: var(--accent); }
.cp-btn.ok { border-color: var(--green); color: var(--green); }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(140px,1fr)); gap: 10px; }
.stat {
    background: var(--bg); border: 1px solid var(--border);
    border-radius: 10px; padding: 14px 12px; text-align: center;
    transition: all .15s ease;
}
.stat:hover { border-color: var(--accent); transform: translateY(-2px); }
.stat-l { font-size: .68rem; color: var(--t3); font-weight: 600; text-transform: uppercase; letter-spacing: .3px; margin-bottom: 6px; }
.stat-v { font-size: 1.3rem; font-weight: 800; color: var(--accent); font-family: 'JetBrains Mono', monospace; }

.status-row { display: flex; align-items: center; gap: 14px; }
.status-icon {
    width: 44px; height: 44px; border-radius: 12px;
    display: grid; place-items: center; font-size: 18px; flex-shrink: 0;
}
.status-icon.s-ok { background: rgba(52,211,153,.12); color: var(--green); }
.status-icon.s-err { background: rgba(248,113,113,.12); color: var(--red); }
.status-icon.s-warn { background: rgba(251,191,36,.12); color: var(--yellow); }
.status-icon.s-load { background: rgba(79,143,247,.12); color: var(--accent); animation: pulse 1.2s ease infinite; }
.status-text h4 { font-size: .95rem; font-weight: 700; margin-bottom: 2px; }
.status-text p { font-size: .85rem; color: var(--t2); }
.status-meta { display: flex; gap: 18px; margin-top: 12px; flex-wrap: wrap; }
.status-meta-item { font-size: .82rem; color: var(--t2); }
.status-meta-item span { color: var(--t1); font-weight: 600; font-family: 'JetBrains Mono', monospace; }

.badge {
    display: inline-flex; align-items: center; padding: 3px 10px;
    border-radius: 14px; font-size: .75rem; font-weight: 600; gap: 4px;
}
.b-ok { background: rgba(52,211,153,.12); color: var(--green); border: 1px solid rgba(52,211,153,.18); }
.b-err { background: rgba(248,113,113,.12); color: var(--red); border: 1px solid rgba(248,113,113,.18); }
.b-pri { background: rgba(79,143,247,.12); color: var(--accent); border: 1px solid rgba(79,143,247,.18); }
.b-info { background: rgba(112,165,250,.12); color: var(--accent2); border: 1px solid rgba(112,165,250,.18); }
.b-warn { background: rgba(251,191,36,.12); color: var(--yellow); border: 1px solid rgba(251,191,36,.18); }

.foot {
    text-align: center; padding: 24px 0;
    border-top: 1px solid var(--border);
    color: var(--t3);
}
.foot-links {
    display: flex; justify-content: center; align-items: center;
    gap: 10px; margin-bottom: 8px; flex-wrap: wrap;
}
.foot-links a {
    color: var(--accent); text-decoration: none; font-size: .85rem; font-weight: 600;
    display: inline-flex; align-items: center; gap: 5px;
}
.foot-links a:hover { text-decoration: underline; }
.foot-sep { color: var(--t3); }
.foot-qq {
    background: none; border: none; color: var(--t2); font-size: .82rem;
    cursor: pointer; font-family: inherit; display: inline-flex; align-items: center; gap: 5px;
}
.foot-qq:hover { color: var(--accent); }
.foot p { font-size: .75rem; margin-top: 4px; }

.toast {
    position: fixed; bottom: 24px; left: 50%;
    transform: translateX(-50%) translateY(60px);
    background: var(--bg2); border: 1px solid var(--border2);
    border-radius: 12px; padding: 12px 22px;
    font-size: .85rem; color: var(--t1);
    box-shadow: 0 8px 32px rgba(0,0,0,.4);
    z-index: 1000; opacity: 0; transition: all .25s ease;
    pointer-events: none; display: flex; align-items: center; gap: 8px;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.35} }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg3); border-radius: 3px; }

@media(max-width:600px) {
    .app { padding: 0 14px; }
    .header-inner { gap: 10px; }
    .qq-tags { display: none; }
    .hero { padding: 28px 0 22px; }
    .hero h1 { font-size: 1.4rem; }
    .hero-desc { font-size: .85rem; }
    .hero-tags { gap: 6px; }
    .htag { font-size: .72rem; padding: 4px 10px; }
    .cards-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .input-actions { flex-direction: column; }
    .btn { width: 100%; justify-content: center; }
}