style.css

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

:root {
    /* Color Palette */
    --primary-gradient: linear-gradient(45deg, #ff9a9e, #fad0c4);
    --secondary-gradient: linear-gradient(45deg, #a18cd1, #fbc2eb);
    --success-gradient: linear-gradient(45deg, #43e97b, #38f9d7);
    --error-gradient: linear-gradient(45deg, #ff5858, #f09819);
    --warning-gradient: linear-gradient(45deg, #f6d365, #fda085);
    --background-gradient: linear-gradient(to right, #dce35b, #45b649);
    --card-bg: #ffffff;
    --text-color: #444;
    --light-text: #666;
    --border-radius: 15px;
    --transition-speed: 0.3s;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--background-gradient);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: 20px;
    animation: gradientFade var(--transition-speed) ease-out;
}

.container {
    background: var(--card-bg);
    max-width: 900px;
    width: 100%;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    animation: fadeIn var(--transition-speed) ease-out;
}

h1 {
    font-size: 2.5rem;
    font-weight: bold;
    text-align: center;
    color: #333;
    margin-bottom: 25px;
    position: relative;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 4px;
}

.options,
.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
    justify-content: space-between;
}

label {
    font-size: 1rem;
    font-weight: 500;
    color: var(--light-text);
    display: block;
    margin-bottom: 5px;
}

select,
textarea {
    padding: 12px;
    font-size: 1rem;
    border-radius: var(--border-radius);
    border: 1px solid #ddd;
    background: rgba(255, 255, 255, 0.9);
    transition: all var(--transition-speed);
    width: 100%;
}

select:focus,
textarea:focus {
    border-color: #333;
    outline: none;
    box-shadow: 0 0 10px rgba(67, 233, 123, 0.5);
}

textarea {
    height: 200px;
    line-height: 1.6;
    resize: none;
}

button {
    background-color: #a18cd1;
    padding: 12px 25px;
    font-size: 1rem;
    border-radius: var(--border-radius);
    border: none;
    font-weight: bold;
    cursor: pointer;
    color: #4569b6;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

button:hover {
    color: #38f9d7;
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

button:disabled {
    background: #ddd;
    color: #aaa;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Gradient Buttons */
.permission-btn {
    background: var(--warning-gradient);
}

.start-btn {
    background: var(--success-gradient);
}

.stop-btn {
    background: var(--error-gradient);
}

.download-btn {
    background: var(--secondary-gradient);
}

/* Status Box */
#status {
    font-size: 1.1rem;
    text-align: center;
    margin-top: 20px;
    padding: 15px;
    border-radius: var(--border-radius);
    animation: fadeIn var(--transition-speed) ease-out;
    font-weight: bold;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.1);
}

#status.success {
    color: #28a745;
    background: rgba(67, 233, 123, 0.1);
}

#status.error {
    color: #e55353;
    background: rgba(255, 88, 88, 0.1);
}

#status.recording {
    color: #ffc107;
    background: rgba(246, 211, 101, 0.1);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes gradientFade {
    from {
        background: linear-gradient(to right, #d4fc79, #96e6a1);
    }
    to {
        background: var(--background-gradient);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .options,
    .controls {
        flex-direction: column;
        gap: 10px;
    }

    button {
        width: 100%;
    }
}