:root {
    color-scheme: light;
    --bg: #f4f6f9;
    --card: #ffffff;
    --text: #1a2332;
    --muted: #5c6b7a;
    --accent: #0066b3;
    --accent-dark: #004d88;
    --border: #dde3ea;
    --success: #0d7a4a;
    --danger: #b42318;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", Inter, system-ui, sans-serif;
    background: linear-gradient(160deg, #e8eef5 0%, var(--bg) 45%);
    color: var(--text);
    min-height: 100vh;
}

.wrap {
    max-width: 720px;
    margin: 0 auto;
    padding: 32px 20px 48px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
}

.brand-mark {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: -0.02em;
}

.brand h1 {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 700;
}

.brand p {
    margin: 2px 0 0;
    color: var(--muted);
    font-size: 0.875rem;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px 26px;
    box-shadow: 0 8px 24px rgba(26, 35, 50, 0.06);
}

.card h2 {
    margin: 0 0 8px;
    font-size: 1.2rem;
}

.muted { color: var(--muted); font-size: 0.9rem; line-height: 1.5; }

.msp-box {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
    margin: 16px 0 20px;
}

.msp-box dt {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
    margin: 0 0 2px;
}

.msp-box dd {
    margin: 0 0 10px;
    font-weight: 600;
}

.msp-box dd:last-child { margin-bottom: 0; }

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
}

input[type="text"],
input[type="file"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    margin-bottom: 14px;
}

.checkbox-row {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin: 12px 0 18px;
    font-size: 0.88rem;
    line-height: 1.45;
}

.checkbox-row input { margin-top: 3px; width: auto; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    background: var(--accent);
    color: #fff;
}

.btn:hover { background: var(--accent-dark); }

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.alert {
    padding: 14px 16px;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.alert-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: var(--danger);
}

.alert-success {
    background: #ecfdf3;
    border: 1px solid #a7f3d0;
    color: var(--success);
}

.log-list {
    list-style: none;
    padding: 0;
    margin: 16px 0 0;
}

.log-list li {
    border-top: 1px solid var(--border);
    padding: 12px 0;
    font-size: 0.88rem;
}

.log-list li:first-child { border-top: none; padding-top: 0; }

.log-list strong { display: block; margin-bottom: 4px; }

.privacy-note {
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.error-title { color: var(--danger); margin-top: 0; }