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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #1a1a2e;
    color: #eee;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 600px;
    margin: 0 auto;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #fff;
}

h2 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-btn {
    flex: 1;
    padding: 12px 20px;
    border: none;
    background: #2d2d44;
    color: #aaa;
    font-size: 1rem;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
}

.tab-btn:hover {
    background: #3d3d55;
}

.tab-btn.active {
    background: #4a4a6a;
    color: #fff;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Card */
.card {
    background: #252540;
    padding: 25px;
    border-radius: 12px;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    background: #3d3d55;
    color: #fff;
    transition: all 0.2s;
}

.btn:hover {
    background: #4d4d65;
}

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

.btn.primary {
    background: #6366f1;
}

.btn.primary:hover {
    background: #5558e3;
}

.btn-group {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.translate-row {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.translate-row select {
    flex: 1;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #3d3d5c;
    background: #2d2d44;
    color: #fff;
    font-size: 16px;
}

/* Upload Area */
.upload-area {
    margin-bottom: 20px;
}

.upload-area input[type="file"] {
    display: none;
}

.file-label {
    display: block;
    padding: 40px 20px;
    border: 2px dashed #4a4a6a;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.file-label:hover {
    border-color: #6366f1;
    background: rgba(99, 102, 241, 0.1);
}

/* Status */
.status {
    padding: 12px;
    border-radius: 8px;
    margin: 15px 0;
    background: #3d3d55;
    text-align: center;
}

.status.success {
    background: #065f46;
    color: #6ee7b7;
}

.status.error {
    background: #7f1d1d;
    color: #fca5a5;
}

.hidden {
    display: none;
}

/* Result */
.result {
    margin-top: 20px;
}

.result label {
    display: block;
    margin-bottom: 8px;
    color: #aaa;
}

/* Textarea */
textarea {
    width: 100%;
    min-height: 150px;
    padding: 15px;
    border: none;
    border-radius: 8px;
    background: #1a1a2e;
    color: #fff;
    font-size: 1rem;
    resize: vertical;
    font-family: inherit;
}

textarea:focus {
    outline: 2px solid #6366f1;
}

/* Voice Select */
.voice-select {
    margin: 15px 0;
}

.voice-select label {
    display: block;
    margin-bottom: 8px;
    color: #aaa;
}

select {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: #1a1a2e;
    color: #fff;
    font-size: 1rem;
}

select:focus {
    outline: 2px solid #6366f1;
}

/* Audio Player */
audio {
    width: 100%;
    margin: 10px 0;
}

/* Label for text input */
label {
    display: block;
    margin-bottom: 8px;
    color: #aaa;
}

/* Mic Select */
.mic-select {
    margin: 15px 0;
}

.mic-select label {
    display: block;
    margin-bottom: 8px;
    color: #aaa;
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    color: #666;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #4a4a6a;
}

.divider span {
    padding: 0 15px;
    font-size: 0.9rem;
}

/* Record Button */
.btn.record {
    display: block;
    width: 100%;
    background: #059669;
    color: #fff;
}

.btn.record:hover {
    background: #047857;
}

.btn.record.recording {
    background: #dc2626;
    animation: pulse 1.5s infinite;
}

.btn.record.recording:hover {
    background: #b91c1c;
}

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

.recording-time {
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin-top: 10px;
    color: #dc2626;
}

/* Shutdown Button */
.btn.shutdown {
    display: block;
    width: 100%;
    margin-top: 20px;
    background: #991b1b;
    color: #fca5a5;
}

.btn.shutdown:hover {
    background: #b91c1c;
}