/* Keyboard Shortcuts Modal Styles */
.shortcuts-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    z-index: 10001;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.shortcuts-modal.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.shortcuts-modal-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 100%;
    max-width: 700px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    position: relative;
}

.shortcuts-modal-header {
    padding: 1.5rem 2rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.shortcuts-modal-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-gold);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.shortcuts-modal-title i {
    color: var(--accent-gold);
}

.shortcuts-modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.shortcuts-modal-close:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-primary);
}

/* Tabs System */
.shortcuts-tabs {
    display: flex;
    background: var(--bg-secondary);
    padding: 0 2rem;
    border-bottom: 1px solid var(--border-color);
    gap: 1.5rem;
}

.shortcuts-tab {
    padding: 1rem 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    position: relative;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.shortcuts-tab:hover {
    color: var(--text-primary);
}

.shortcuts-tab.active {
    color: var(--accent-gold);
}

.shortcuts-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gold);
}

.shortcuts-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    display: none;
    /* Hidden by default, shown when active */
    flex-direction: column;
    gap: 2rem;
}

.shortcuts-modal-body.active {
    display: flex;
}

.gesture-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.gesture-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border-radius: 8px;
    color: var(--accent-gold);
    flex-shrink: 0;
    border: 1px solid var(--border-color);
}

.gesture-info {
    flex: 1;
}

.gesture-name {
    display: block;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.15rem;
}

.gesture-description {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.shortcut-category {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.shortcut-category-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.shortcut-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.shortcut-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    font-size: 0.95rem;
}

.shortcut-keys {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
}

.shortcut-key {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-bottom: 3px solid var(--border-color);
    border-radius: 6px;
    padding: 0.25rem 0.6rem;
    font-family: 'Source Code Pro', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 28px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.shortcut-plus {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 700;
}

.shortcut-description {
    color: var(--text-secondary);
    flex: 1;
    line-height: 1.4;
}

/* Scrollbar adjustment */
.shortcuts-modal-body::-webkit-scrollbar {
    width: 6px;
}

.shortcuts-modal-body::-webkit-scrollbar-track {
    background: transparent;
}

.shortcuts-modal-body::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.98);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@media (max-width: 600px) {
    .shortcuts-modal {
        padding: 0;
    }

    .shortcuts-modal-content {
        max-height: 100vh;
        border-radius: 0;
    }

    .shortcut-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
}