.modal {
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
    display: none;
    overflow: auto;
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: #333;
    color: #fff;
    margin: 10px auto;
    padding: 22px;
    border-radius: 10px;
    width: min(95%, 1400px);
    max-width: 1400px;
    max-height: 92vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 0 28px rgba(0, 0, 0, 0.65);
    border: 1px solid #444;
}

.modal-content h2, .modal-content h3 {
    border-bottom: 2px solid #ffa500;
    padding-bottom: 5px;
    margin-top: 0;
}

.close-btn {
    color: #fff;
    float: right;
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    position: absolute;
    top: 10px;
    right: 20px;
    transition: color 0.2s;
}

.close-btn:hover,
.close-btn:focus {
    color: #ffa500;
}

.header-btn i.fas {
    margin-right: 5px; 
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 999px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    transition: background-color 0.2s ease, transform 0.15s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.btn-success {
    background-color: #008000;
    color: white;
}
.btn-success:hover {
    background-color: #00aa00;
    transform: scale(1.05);
}

.btn-danger {
    background-color: #dc3545;
    color: white;
}
.btn-danger:hover {
    background-color: #ff4757;
    transform: scale(1.05);
}

.btn-record { 
    background-color: #dc3545;
    color: white;
}
.btn-record:hover {
    background-color: #ff4757;
    transform: scale(1.05);
}

.btn-warning {
    background-color: #ffa500;
    color: #000;
}
.btn-warning:hover {
    background-color: #ffc966;
    transform: scale(1.05);
}

.btn-info {
    background-color: #17a2b8;
    color: white;
}
.btn-info:hover {
    background-color: #20c997;
    transform: scale(1.05);
}

.btn:disabled {
    background-color: #555;
    color: #aaa;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

#webcam-feed {
    border: 2px solid #ffa500;
    border-radius: 5px;
    margin-top: 15px;
    background-color: #000;
}

#mic-visualizer {
    height: 25px;
    border: 1px solid #ffa500;
    margin: 10px 0 20px;
    background-color: #222;
    border-radius: 4px;
    overflow: hidden;
}

#mic-bar {
    height: 100%;
    width: 0%;
    background-color: #008000; 
    transition: width 0.1s;
}

.keyboard-test-area {
    margin-top: 15px;
    border: 1px solid #ffa500;
    padding: 15px;
    background-color: #222;
    border-radius: 6px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    content-visibility: auto;
    contain: layout paint;
}

#keyboard-input {
    width: 100%;
    min-height: 60px;
    resize: none;
    margin-bottom: 15px;
    padding: 10px;
    font-family: monospace;
    font-size: 14px;
    border: 1px solid #555;
    outline: none;
    box-sizing: border-box;
    background-color: #111;
    color: #fff;
}


#keyboard-visualizer {
    display: flex;
    flex-direction: row;
    gap: 20px;
    align-items: flex-start;
    justify-content: center;
    user-select: none;
    width: 100%;
    min-width: 1000px;
    margin: 0 auto;
    padding-bottom: 10px;
}


.kb-section-main {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex-shrink: 0;
}

.kb-section-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto auto auto 1fr; 
    gap: 5px;
    width: 160px; 
    flex-shrink: 0;
}

.kb-section-numpad {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 5px;
    width: 210px; 
    flex-shrink: 0;
}


.keyboard-row {
    display: flex;
    gap: 5px;
    width: 100%;
}


.key {
    padding: 0;
    border: 1px solid #ffa500;
    background-color: #555;
    color: #fff;
    text-align: center;
    border-radius: 3px;
    box-shadow: 0 2px 0 #333;
    font-family: Arial, sans-serif;
    font-size: 13px;
    transition: background-color 0.1s, box-shadow 0.1s, transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 40px; 
    min-width: 40px;
    box-sizing: border-box;
}

.key.active {
    background-color: #ffa500; 
    color: #000;
    box-shadow: 0 0 0 #333;
    transform: translateY(1px);
}

.key.hit {
    background-color: #ffa500; 
    color: #000;
    box-shadow: 0 2px 0 #cc8400; 
}

.key .key-text {
    display: block;
    line-height: 1;
    font-weight: bold;
}

.key .alt-text {
    position: absolute;
    top: 2px;
    left: 4px;
    font-size: 9px;
    color: rgba(255, 255, 255, 0.6);
}


.kb-section-main .key {
    flex-grow: 1;
}


.kb-section-main .keyboard-row:nth-child(1) { margin-bottom: 15px; } 

.kb-section-main .keyboard-row:nth-child(2) .key[data-key="backspace"] { flex-grow: 0; width: 80px; }
.kb-section-main .keyboard-row:nth-child(3) .key[data-key="tab"] { flex-grow: 0; width: 60px; }
.kb-section-main .keyboard-row:nth-child(3) .key[data-key="backslash"] { flex-grow: 0; width: 60px; }
.kb-section-main .keyboard-row:nth-child(4) .key[data-key="capslock"] { flex-grow: 0; width: 70px; }
.kb-section-main .keyboard-row:nth-child(4) .key[data-key="enter"] { flex-grow: 0; width: 90px; }
.kb-section-main .keyboard-row:nth-child(5) .key[data-key="shiftleft"] { flex-grow: 0; width: 90px; }
.kb-section-main .keyboard-row:nth-child(5) .key[data-key="shiftright"] { flex-grow: 0; width: 110px; }
.kb-section-main .keyboard-row:nth-child(6) .key[data-key="space"] { flex-grow: 5; }
.kb-section-main .keyboard-row:nth-child(6) .key { width: 50px; flex-grow: 0; } 
.kb-section-main .keyboard-row:nth-child(6) .key[data-key="space"] { width: auto; flex-grow: 1; }


.kb-section-nav .key {
    width: 100%; 
}

.kb-section-nav .spacer {
    height: 15px; 
    grid-column: 1 / -1;
}

.key[data-key="arrowup"] { grid-column: 2; grid-row: 4; }
.key[data-key="arrowleft"] { grid-column: 1; grid-row: 5; }
.key[data-key="arrowdown"] { grid-column: 2; grid-row: 5; }
.key[data-key="arrowright"] { grid-column: 3; grid-row: 5; }


.kb-section-numpad .key {
    width: 100%;
}
.key[data-key="numpad0"] { grid-column: span 2; }
.key[data-key="numpadadd"] { grid-row: span 2; height: 100% !important; }
.key[data-key="numpadenter"] { grid-row: span 2; height: 100% !important; }

.reset-keyboard-container {
    margin-top: 20px;
    text-align: center;
}

#screen-test-overlay {
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    z-index: 99999; 
    background-color: #FFFFFF;
    display: none;
}

#screen-slide {
    width: 100%; 
    height: 100%; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    font-size: 24px; 
    font-weight: bold;
    color: #000; 
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

@media (max-width: 1400px) {
    .modal-content {
        width: min(96%, 1180px);
    }
}

@media (max-width: 1200px) {
    .keyboard-test-area {
        overflow-x: auto;
        justify-content: flex-start;
    }
    #keyboard-visualizer {
        transform: scale(0.9);
        transform-origin: top left;
    }
}

@media (max-width: 768px) {
    .modal {
        align-items: flex-start;
        padding-top: 6px;
    }

    #keyboard-visualizer {
        transform: scale(0.6);
        gap: 10px;
        transform-origin: top left;
    }

    .modal-content {
        width: calc(100% - 10px);
        border-radius: 8px;
        padding: 12px;
        max-height: 96vh;
    }

    .btn {
        width: 100%;
        justify-content: center;
        min-height: 36px;
        font-size: 13px;
    }

    .mic-controls,
    .recorder-controls,
    .reset-keyboard-container {
        display: grid;
        gap: 8px;
    }

    #keyboard-input {
        min-height: 72px;
        font-size: 13px;
    }

    .close-btn {
        top: 8px;
        right: 14px;
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    #keyboard-visualizer {
        transform: scale(0.5);
    }

    .modal-content h2,
    .modal-content h3 {
        font-size: 18px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .btn,
    .key,
    #screen-slide,
    #mic-bar,
    .close-btn {
        transition: none !important;
    }
}