:root {
    color-scheme: light;
    --bg: #f4f6fb;
    --panel: #ffffff;
    --ink: #111827;
    --muted: #4b5563;
    --line: #d7dde8;
    --dark: #20242b;
    --ok: #198754;
    --warn: #8a5a00;
    --error-bg: #f8d7da;
    --error: #842029;
    --success-bg: #d1e7dd;
    --success: #0f5132;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--ink);
}
.page {
    width: min(1180px, calc(100% - 32px));
    margin: 32px auto;
}
.hero, .panel, .notice {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}
.hero {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    padding: 28px;
    margin-bottom: 18px;
}
.eyebrow {
    margin: 0 0 8px;
    color: var(--muted);
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
h1, h2 { margin: 0 0 12px; }
.hero p { margin: 0; color: var(--muted); }
.hero-meta {
    display: grid;
    gap: 8px;
    min-width: 240px;
    color: var(--muted);
    font-size: 14px;
}
.grid {
    display: grid;
    grid-template-columns: 0.9fr 1.4fr;
    gap: 18px;
}
.panel { padding: 24px; }
.notice {
    padding: 14px 18px;
    margin-bottom: 18px;
}
.notice.success { background: var(--success-bg); color: var(--success); }
.notice.error { background: var(--error-bg); color: var(--error); }
.checks { display: grid; gap: 10px; }
.completion-list { margin-top: 18px; }
.check-row {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 10px;
    align-items: center;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
}
.check-row .mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 28px;
    border-radius: 5px;
    font-weight: 700;
    font-size: 12px;
}
.check-row.ok .mark { background: var(--ok); color: #fff; }
.check-row.pending .mark { background: #eef1f6; color: var(--warn); }
.check-row .detail {
    grid-column: 2;
    color: var(--muted);
    font-size: 12px;
    overflow-wrap: anywhere;
}
form { display: grid; gap: 14px; }
form h2 { margin-top: 8px; }
label {
    display: grid;
    gap: 6px;
    color: var(--muted);
    font-size: 14px;
}
input {
    width: 100%;
    min-height: 40px;
    padding: 9px 11px;
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--ink);
    font-size: 15px;
}
.cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
button {
    min-height: 40px;
    padding: 0 16px;
    border: 1px solid var(--dark);
    border-radius: 6px;
    background: var(--dark);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}
button:first-child {
    background: #fff;
    color: var(--dark);
}
.muted {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}
@media (max-width: 880px) {
    .hero, .grid, .cols { grid-template-columns: 1fr; }
    .hero { display: grid; }
}