.help-modal {
    position: fixed;
    inset: 0;
    z-index: 70;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: rgba(8, 10, 16, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.help-modal.is-open { display: flex; }

.help-card {
    width: min(460px, 100%);
    max-height: calc(100dvh - 32px);
    overflow: auto;
    padding: 16px 18px;
    border-radius: 8px;
    background: var(--sf, #fff);
    color: var(--text, #1c2030);
    border: 1px solid var(--bd, rgba(0, 0, 0, 0.06));
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.18);
    font-size: 13px;
}

.help-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.help-card h2 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.help-card h3 {
    margin: 0 0 4px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--accent, #4568ee);
}

.help-card p,
.help-card li {
    margin: 0;
    color: var(--text-2, #4e5668);
    line-height: 1.55;
}

.help-head p { margin-top: 2px; font-size: 12px; }

.help-card ul { margin: 0 0 0 16px; padding: 0; }

.help-card section + section {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--bd, rgba(0, 0, 0, 0.06));
}

.help-close {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid var(--bd, rgba(0, 0, 0, 0.06));
    background: transparent;
    color: var(--text-2, #4e5668);
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
}

.help-close:hover { color: var(--accent, #4568ee); }

body.dark .help-card { box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45); }