* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 600px;
}

.card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

h1 {
    color: #333;
    margin-bottom: 30px;
    text-align: center;
    font-size: 28px;
    font-weight: 600;
}

.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
    font-size: 14px;
}

.text-hint {
    margin-top: 8px;
    padding: 8px 12px;
    background: #f0f7ff;
    border-radius: 6px;
    border-left: 3px solid #667eea;
}

.text-hint small {
    color: #666;
    font-size: 12px;
    line-height: 1.4;
}

.char-counter {
    margin-top: 8px;
    text-align: right;
    font-size: 12px;
    color: #999;
    transition: color 0.3s;
}

.char-counter.limit-reached {
    color: #d32f2f;
    font-weight: 600;
}

textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 16px;
    font-family: inherit;
    resize: vertical;
    transition: border-color 0.3s;
}

textarea:focus {
    outline: none;
    border-color: #667eea;
}

.voice-selection {
    margin-bottom: 25px;
}

.voice-selection label {
    display: block;
    margin-bottom: 12px;
    color: #555;
    font-weight: 500;
    font-size: 14px;
}

.voice-buttons {
    display: flex;
    gap: 15px;
}

.voice-btn {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    background: white;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.voice-btn:hover {
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.voice-btn.active {
    border-color: #667eea;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.voice-icon {
    font-size: 24px;
}

.voice-name {
    font-size: 14px;
    font-weight: 500;
}

.controls {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.btn {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #f5f5f5;
    color: #333;
}

.btn-secondary:hover:not(:disabled) {
    background: #e0e0e0;
    transform: translateY(-2px);
}

.btn-success {
    background: #4caf50;
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.4);
}

.btn-icon {
    font-size: 18px;
}

.status {
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    font-size: 14px;
    min-height: 20px;
    transition: all 0.3s;
}

.status.info {
    background: #e3f2fd;
    color: #1976d2;
}

.status.success {
    background: #e8f5e9;
    color: #388e3c;
}

.status.error {
    background: #ffebee;
    color: #d32f2f;
}

.status.loading {
    background: #fff3e0;
    color: #f57c00;
}

@media (max-width: 600px) {
    .card {
        padding: 25px;
    }

    h1 {
        font-size: 24px;
    }

    .voice-buttons {
        flex-direction: column;
    }

    .controls {
        flex-direction: column;
    }
}