/* Keyboard Shortcuts Modal Styles */

.keyboard-shortcuts-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: none;
}

.shortcuts-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.shortcuts-modal-content {
    position: relative;
    max-width: 700px;
    max-height: 80vh;
    margin: 5vh auto;
    background: linear-gradient(135deg, rgba(18, 18, 35, 0.95), rgba(28, 28, 52, 0.95));
    border: 1px solid rgba(92, 107, 255, 0.3);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(92, 107, 255, 0.2);
    overflow: hidden;
}

.shortcuts-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    background: linear-gradient(135deg, rgba(92, 107, 255, 0.15), rgba(79, 172, 254, 0.1));
    border-bottom: 1px solid rgba(118, 131, 255, 0.2);
}

.shortcuts-modal-header h2 {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 0 20px rgba(92, 107, 255, 0.5);
}

.shortcuts-modal-header .close-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.2s;
}

.shortcuts-modal-header .close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
}

.shortcuts-modal-body {
    padding: 28px;
    max-height: calc(80vh - 100px);
    overflow-y: auto;
}

.shortcuts-modal-body::-webkit-scrollbar {
    width: 8px;
}

.shortcuts-modal-body::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

.shortcuts-modal-body::-webkit-scrollbar-thumb {
    background: rgba(92, 107, 255, 0.3);
    border-radius: 4px;
}

.shortcuts-modal-body::-webkit-scrollbar-thumb:hover {
    background: rgba(92, 107, 255, 0.5);
}

.shortcuts-group {
    margin-bottom: 32px;
}

.shortcuts-group:last-child {
    margin-bottom: 0;
}

.shortcuts-group h3 {
    margin: 0 0 16px 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #4facfe;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    margin-bottom: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    transition: all 0.2s;
}

.shortcut-item:hover {
    background: rgba(92, 107, 255, 0.08);
    border-color: rgba(92, 107, 255, 0.3);
    transform: translateX(4px);
}

.shortcut-item kbd {
    display: inline-block;
    padding: 4px 10px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, rgba(92, 107, 255, 0.3), rgba(79, 172, 254, 0.2));
    border: 1px solid rgba(92, 107, 255, 0.4);
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2), inset 0 -2px 0 rgba(0, 0, 0, 0.15);
    margin-right: 4px;
    min-width: 28px;
    text-align: center;
}

.shortcut-item span {
    color: #c4d1ff;
    font-size: 0.95rem;
}

/* Keyboard shortcut indicator (shows active key sequence) */
.keyboard-sequence-indicator {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    background: linear-gradient(135deg, rgba(92, 107, 255, 0.95), rgba(79, 172, 254, 0.9));
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    color: #ffffff;
    font-family: 'Monaco', 'Courier New', monospace;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.2s;
    pointer-events: none;
}

.keyboard-sequence-indicator.active {
    opacity: 1;
    transform: translateY(0);
}

/* Help button (press ? for shortcuts) */
.keyboard-shortcuts-hint {
    position: fixed;
    bottom: 20px;
    left: 20px;
    padding: 8px 14px;
    background: rgba(92, 107, 255, 0.1);
    border: 1px solid rgba(92, 107, 255, 0.3);
    border-radius: 8px;
    color: #c4d1ff;
    font-size: 0.85rem;
    z-index: 100;
    cursor: pointer;
    transition: all 0.2s;
}

.keyboard-shortcuts-hint:hover {
    background: rgba(92, 107, 255, 0.2);
    border-color: rgba(92, 107, 255, 0.5);
    transform: translateY(-2px);
}

.keyboard-shortcuts-hint kbd {
    display: inline-block;
    padding: 2px 6px;
    margin: 0 4px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.8rem;
}

/* Mobile - hide keyboard shortcuts */
@media (max-width: 768px) {
    .keyboard-shortcuts-hint {
        display: none;
    }

    .shortcuts-modal-content {
        margin: 2vh auto;
        max-height: 96vh;
        border-radius: 12px;
    }
}