/*
 * VIP Chart Terminal — Shortcut help overlay (B4 styles).
 */

.td-vip-shortcut-help-overlay {
    position: fixed;
    inset: 0;
    background: rgba(7, 17, 30, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 6000;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    padding: 24px;
}

.td-vip-shortcut-help-overlay[hidden] { display: none; }

.td-vip-shortcut-help-card {
    width: min(720px, 100%);
    max-height: calc(100vh - 96px);
    background: var(--td-vip-bg-elevated, #131c2c);
    border: 1px solid var(--td-vip-line, rgba(148, 163, 184, 0.18));
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.td-vip-shortcut-help-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--td-vip-line);
}

.td-vip-shortcut-help-head h2 {
    margin: 0;
    font-size: 14px;
    font-weight: 700;
    color: var(--td-vip-text-primary);
    letter-spacing: 0.04em;
}

.td-vip-shortcut-help-close {
    background: transparent;
    border: none;
    color: var(--td-vip-text-muted);
    font-size: 22px;
    line-height: 1;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    cursor: pointer;
}
.td-vip-shortcut-help-close:hover {
    color: var(--td-vip-text-primary);
    background: var(--td-vip-bg-elevated-2);
}

.td-vip-shortcut-help-body {
    overflow-y: auto;
    padding: 14px 18px 22px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px 22px;
}

.td-vip-shortcut-help-group h3 {
    margin: 0 0 8px;
    color: var(--td-vip-text-secondary);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.td-vip-shortcut-help-group ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.td-vip-shortcut-help-group li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 0;
    font-size: 12.5px;
    line-height: 1.4;
}

.td-vip-shortcut-help-group li + li {
    border-top: 1px dashed var(--td-vip-line);
}

.td-vip-shortcut-help-keys {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    flex: 0 0 auto;
}

.td-vip-shortcut-help-keys kbd {
    background: var(--td-vip-bg-elevated-2);
    color: var(--td-vip-text-primary);
    border: 1px solid var(--td-vip-line);
    border-radius: 4px;
    padding: 2px 6px;
    font-family: var(--td-vip-font-numeric, ui-monospace, monospace);
    font-size: 11px;
    line-height: 1;
    font-weight: 600;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2);
}

.td-vip-shortcut-help-plus {
    color: var(--td-vip-text-subtle);
    font-size: 11px;
    margin: 0 1px;
}

.td-vip-shortcut-help-desc {
    color: var(--td-vip-text-muted);
    text-align: right;
    flex: 1 1 auto;
}

@media (max-width: 600px) {
    .td-vip-shortcut-help-body {
        grid-template-columns: 1fr;
    }
}