/* Header Styles */
header h1 {
    color: var(--on-surface);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

header p {
    color: var(--on-surface-variant);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Text Input Styles */
.text-input {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.typing-field {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.2rem;
    border: 2px solid var(--surface-variant);
    border-radius: 12px;
    background: var(--surface);
    color: var(--on-surface);
    transition: all 0.3s ease;
}

.typing-field:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light);
}

.typing-field::placeholder {
    color: var(--on-surface-disabled);
}

.input-help {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--on-surface-variant);
    font-size: 0.9rem;
    text-align: center;
}

/* Keyboard Wrapper */
.keyboard-wrapper {
    position: relative;
    background: var(--surface-variant);
    border-radius: 16px;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
}

/* Dark Mode Anpassungen */
@media (prefers-color-scheme: dark) {
    .keyboard-wrapper {
        background: var(--surface);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    }

    .typing-field {
        background: var(--surface-variant);
        border-color: var(--surface-variant);
    }

    .typing-field:focus {
        box-shadow: 0 0 0 4px rgba(74, 144, 226, 0.2);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .typing-field {
        font-size: 1rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .keyboard-wrapper {
        padding: var(--spacing-sm);
        margin: 0 -var(--spacing-sm);
        border-radius: 12px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.75rem;
    }

    header p {
        font-size: 1rem;
    }

    .keyboard-options {
        grid-template-columns: 1fr;
    }
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.keyboard {
    animation: fadeIn 0.3s ease-out;
}

/* Keyboard Option Hover Effects */
.keyboard-option {
    position: relative;
    overflow: hidden;
}

.keyboard-option::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.5);
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}

.keyboard-option:hover::after {
    opacity: 0.1;
    transform: translate(-50%, -50%) scale(1);
}

.keyboard-option.selected::after {
    opacity: 0.15;
    transform: translate(-50%, -50%) scale(1);
}

/* Focus Styles */
.keyboard-option:focus-visible {
    outline: none;
    box-shadow: 
        0 0 0 2px var(--surface),
        0 0 0 4px var(--primary);
}

.typing-field:focus-visible {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light);
}