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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

h1 {
    color: #333;
    text-align: center;
    margin-bottom: 30px;
    font-size: 2.5em;
}

.recording-control {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
}

.record-btn {
    background: #28a745;
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 1.1em;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.record-btn:hover {
    background: #218838;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.record-btn.recording {
    background: #dc3545;
    animation: pulse 1.5s infinite;
}

.record-btn.recording:hover {
    background: #c82333;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.recording-status {
    display: block;
    margin-top: 10px;
    color: #666;
    font-size: 0.9em;
}

.recording-status.active {
    color: #dc3545;
    font-weight: bold;
}

.text-section {
    margin-bottom: 30px;
}

.text-section label {
    display: block;
    margin-bottom: 10px;
    color: #333;
    font-weight: 600;
    font-size: 1.1em;
}

.text-box {
    width: 100%;
    min-height: 200px;
    padding: 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1em;
    font-family: inherit;
    resize: vertical;
    transition: border-color 0.3s ease;
}

.text-box:focus {
    outline: none;
    border-color: #667eea;
}

.button-group {
    margin-top: 10px;
    display: flex;
    gap: 10px;
}

.action-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95em;
    font-weight: 600;
    transition: all 0.3s ease;
}

.copy-btn {
    background: #007bff;
    color: white;
}

.copy-btn:hover {
    background: #0056b3;
    transform: translateY(-2px);
}

.delete-btn {
    background: #dc3545;
    color: white;
}

.delete-btn:hover {
    background: #c82333;
    transform: translateY(-2px);
}

.action-btn:active {
    transform: translateY(0);
}

/* Toast notification */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #28a745;
    color: white;
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}