/* Virtual Keyboard Floating Window */
.virtual-keyboard {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #2a2a2a;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    z-index: 1000;
    cursor: move;
    user-select: none;
    font-family: 'Inter-Alia', sans-serif;
    font-size: 100%;
}


.keyboard-header {
    background: #353535;
    color: #aaa;
    padding: 6px 10px;
    border-radius: 12px 12px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: move;
}

.keyboard-title {
    font-size: 11px;
    font-weight: normal;
    opacity: 0.8;
}

.keyboard-close {
    font-size: 18px;
    cursor: pointer;
    line-height: 1;
    padding: 0 4px;
    opacity: 0.5;
    color: #999;
}

.keyboard-close:hover {
    opacity: 1;
    color: #fff;
}

.keyboard-body {
    padding: 10px;
    background: #2a2a2a;
    border-radius: 0 0 12px 12px;
}

.keyboard-row {
    display: flex;
    gap: 4px;
    margin-bottom: 4px;
    justify-content: center;
}

.keyboard-row:last-child {
    margin-bottom: 0;
}

.key {
    background: #3d3d3d;
    border: 1px solid #4a4a4a;
    border-radius: 5px;
    padding: 7px;
    min-width: 34px;
    height: 34px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    color: #e0e0e0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: background 0.1s ease, transform 0.1s ease, box-shadow 0.1s ease;
    position: relative;
    overflow: hidden;
}

.key:hover {
    background: #4a4a4a;
    transform: translateY(-1px);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.4);
}

.key:active,
.key.active {
    background: #555;
    color: white;
    transform: translateY(1px);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
    border-color: #666;
}

/* Dual-legend key structure */
.key-main {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    transition: transform 0.15s ease, opacity 0.15s ease;
}

.key-shift {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translateY(-150%);
    opacity: 0.4;
    font-size: 0.85em;
    transition: transform 0.15s ease, opacity 0.15s ease;
    pointer-events: none;
}

/* Slide-down state: shift legend slides down to replace main */
.key.slide-down .key-main {
    transform: translate(-50%, -50%) translateY(150%);
    opacity: 0;
}

.key.slide-down .key-shift {
    transform: translate(-50%, -50%) translateY(0);
    opacity: 1;
    font-size: 1em;
}


/* Key size variations */
.key-wide {
    min-width: 50px;
}

.key-wider {
    min-width: 62px;
}

.key-widest {
    min-width: 82px;
}

.key-space {
    min-width: 312px;
}

/* Desktop-only keys (hidden on mobile) */
.key.mobile-only {
    display: none !important;
}

/* Spacers for mobile alignment */
.spacer {
    display: none;
}

.spacer.mobile-only {
    display: none;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .virtual-keyboard {
        bottom: 0;
        right: 0;
        left: 0;
        max-width: 100%;
        border-radius: 12px 12px 0 0;
        /* Safe area insets for notched devices and iOS home indicator */
        padding-bottom: env(safe-area-inset-bottom);
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }

    .keyboard-body {
        padding: 3px;
    }

    /* Hide number row and certain keys for non-imperial layouts on mobile */
    .keyboard-body:not(.layout-shaw-imperial):not(.layout-imperial-good-companion) .hide-mobile-non-imperial {
        display: none !important;
    }

    /* Show spacers with hide-mobile-non-imperial on imperial layouts */
    .keyboard-body.layout-shaw-imperial .spacer.hide-mobile-non-imperial,
    .keyboard-body.layout-imperial-good-companion .spacer.hide-mobile-non-imperial {
        display: block !important;
    }

    /* Hide keys for imperial layouts only on mobile */
    .keyboard-body.layout-shaw-imperial .hide-mobile-imperial,
    .keyboard-body.layout-imperial-good-companion .hide-mobile-imperial {
        display: none !important;
    }

    /* Show keys/spacers only for non-imperial layouts on mobile */
    .show-mobile-non-imperial {
        display: none !important;
    }

    .keyboard-body:not(.layout-shaw-imperial):not(.layout-imperial-good-companion) .show-mobile-non-imperial {
        display: block !important;
    }

    .keyboard-row {
        justify-content: space-between;
        width: 100%;
    }

    .key {
        flex: 1;
        min-width: 0;
        height: 38px;
        padding: 4px;
        font-size: 12px;
    }

    .key-wide {
        flex: 1.5;
    }

    .key-wider {
        flex: 1.75;
    }

    .key-widest {
        flex: 2;
    }

    .key-space {
        flex: 6;
    }

    /* 1.5x width key for mobile shift keys */
    .key-wide-half {
        flex: 1.5;
    }

    /* Show/hide keys based on mobile/desktop */
    .key.desktop-only {
        display: none !important;
    }

    .key.mobile-only {
        display: flex !important;
    }

    /* Show spacers on mobile (unless they should be hidden for imperial layouts) */
    .spacer.mobile-only:not(.show-mobile-non-imperial) {
        display: block !important;
    }

    .keyboard-body:not(.layout-shaw-imperial):not(.layout-imperial-good-companion) .spacer.mobile-only.show-mobile-non-imperial {
        display: block !important;
    }

    /* Space row layout on mobile */
    .keyboard-row:last-child {
        display: flex;
        justify-content: flex-start;
        gap: 4px;
    }

    /* Row indentation removed - keys fill full width */
    .keyboard-body .keyboard-row:nth-child(1),
    .keyboard-body .keyboard-row:nth-child(2),
    .keyboard-body .keyboard-row:nth-child(3),
    .keyboard-body .keyboard-row:nth-child(4),
    .keyboard-body .keyboard-row:nth-child(5) {
        padding-left: 0;
    }
}