:root {
    --bg: #0f172a;
    --panel: #ffffff;
    --panel-soft: #eff6ff;
    --line: #d8e1ee;
    --text: #0f172a;
    --muted: #5b6472;
    --accent: #2563eb;
    --accent-2: #1d4ed8;
    --success: #16a34a;
    --danger: #dc2626;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Inter, Arial, sans-serif;
    background: linear-gradient(180deg, #eef4ff 0%, #f8fbff 100%);
    color: var(--text);
}
.shell {
    max-width: 1120px;
    margin: 0 auto;
    padding: 32px 20px 48px;
}
.hero {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 22px;
    align-items: start;
    margin-bottom: 24px;
}
.hero.compact { grid-template-columns: 1fr; }
.eyebrow {
    margin: 0 0 8px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: var(--accent);
    font-weight: 700;
}
.success-text { color: var(--success); }
h1 {
    margin: 0 0 12px;
    font-size: clamp(30px, 5vw, 48px);
    line-height: 1.05;
}
.lead {
    margin: 0;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.6;
}
.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 22px;
    box-shadow: 0 18px 45px rgba(15, 23, 42, .07);
}
.note { background: #f8fbff; }
.form-card { display: grid; gap: 18px; }
.grid {
    display: grid;
    gap: 16px;
}
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
label span {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 700;
}
input[type="text"],
input[type="file"] {
    width: 100%;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: #fff;
    font-size: 15px;
}
.tips {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
.tips div {
    padding: 16px;
    border: 1px dashed var(--line);
    border-radius: 16px;
    background: var(--panel-soft);
}
.tips p, .tips strong { margin: 0; }
.tips p { margin-top: 6px; color: var(--muted); line-height: 1.55; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: fit-content;
    min-width: 220px;
    border: 0;
    border-radius: 999px;
    padding: 14px 22px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
}
.btn.secondary {
    background: #fff;
    color: var(--accent);
    border: 1px solid var(--line);
}
.stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 22px;
}
.stat {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px;
}
.stat strong {
    display: block;
    font-size: 30px;
    margin-bottom: 6px;
}
.stat span { color: var(--muted); }
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}
.download-card {
    display: block;
    text-decoration: none;
    color: var(--text);
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #f8fbff;
    font-weight: 700;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    border-bottom: 1px solid var(--line);
    text-align: left;
    padding: 12px 10px;
}
th { color: var(--muted); font-size: 13px; }
.error h1 { color: var(--danger); }
code { background: #eef2ff; padding: 2px 6px; border-radius: 8px; }
@media (max-width: 820px) {
    .hero, .grid.two, .tips, .stats { grid-template-columns: 1fr; }
}