* {
    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;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    max-width: 900px;
    width: 100%;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 {
    font-size: 2em;
    margin-bottom: 10px;
}

.session-info {
    background: rgba(255,255,255,0.2);
    padding: 10px;
    border-radius: 10px;
    margin-top: 15px;
    font-size: 0.9em;
}

.session-id-display {
    background: rgba(0,0,0,0.2);
    padding: 8px;
    border-radius: 5px;
    margin-top: 10px;
    font-family: monospace;
    font-size: 0.85em;
    cursor: pointer;
    transition: background 0.3s;
}

.session-id-display:hover {
    background: rgba(0,0,0,0.3);
}

.voice-controls {
    display: flex;
    gap: 10px;
    justify-content: center;
    padding: 15px;
    background: rgba(255,255,255,0.1);
    margin-top: 15px;
    border-radius: 10px;
}

.voice-btn {
    padding: 10px 20px;
    border: 2px solid white;
    border-radius: 20px;
    background: transparent;
    color: white;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
}

.voice-btn:hover {
    background: white;
    color: #667eea;
}

.voice-btn.active {
    background: #ff4444;
    border-color: #ff4444;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.voice-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #4CAF50;
    display: inline-block;
}

.voice-indicator.recording {
    background: #ff4444;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.chat-container {
    height: 500px;
    overflow-y: auto;
    padding: 20px;
    background: #f8f9fa;
}

.message {
    margin-bottom: 20px;
    display: flex;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.user {
    justify-content: flex-end;
}

.message-content {
    max-width: 70%;
    padding: 15px 20px;
    border-radius: 20px;
    word-wrap: break-word;
    white-space: pre-wrap;
    position: relative;
}

.message.doctor .message-content {
    background: white;
    color: #333;
    border: 2px solid #667eea;
    border-radius: 20px 20px 20px 5px;
}

.message.user .message-content {
    background: #667eea;
    color: white;
    border-radius: 20px 20px 5px 20px;
}

.speaker-icon {
    position: absolute;
    bottom: 8px;
    right: 8px;
    cursor: pointer;
    font-size: 18px;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.speaker-icon:hover {
    opacity: 1;
}

.speaker-icon.speaking {
    animation: speakPulse 0.5s infinite;
}

@keyframes speakPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.input-area {
    padding: 20px;
    background: white;
    border-top: 2px solid #e0e0e0;
    display: flex;
    gap: 10px;
}

.input-area input {
    flex: 1;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 25px;
    font-size: 16px;
    transition: border 0.3s;
}

.input-area input:focus {
    outline: none;
    border-color: #667eea;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: bold;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #218838;
}

.btn-info {
    background: #17a2b8;
    color: white;
}

.btn-info:hover {
    background: #138496;
}

.btn-voice {
    background: #ff6b6b;
    color: white;
    min-width: 60px;
}

.btn-voice:hover {
    background: #ff5252;
}

.btn-voice.recording {
    background: #f44336;
    animation: pulse 1.5s infinite;
}

.controls {
    padding: 15px 20px;
    background: #f8f9fa;
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.loading {
    display: none;
    text-align: center;
    padding: 10px;
    color: #667eea;
    font-style: italic;
}

.loading.active {
    display: block;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    width: 90%;
}

.modal-content pre {
    white-space: pre-wrap;
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.6;
}

.close-btn {
    float: right;
    font-size: 28px;
    cursor: pointer;
    color: #999;
}

.close-btn:hover {
    color: #333;
}

.history-list {
    max-height: 400px;
    overflow-y: auto;
    margin-top: 20px;
}

.history-item {
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.3s;
}

.history-item:hover {
    border-color: #667eea;
    background: #f8f9fa;
    transform: translateX(5px);
}

.history-item h4 {
    color: #667eea;
    margin-bottom: 5px;
}

.history-item p {
    font-size: 0.9em;
    color: #666;
    margin: 5px 0;
}

.pdf-badge {
    display: inline-block;
    background: #28a745;
    color: white;
    padding: 3px 8px;
    border-radius: 5px;
    font-size: 0.8em;
    margin-left: 10px;
}

.load-session-form {
    margin: 20px 0;
    display: flex;
    gap: 10px;
}

.load-session-form input {
    flex: 1;
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: monospace;
}

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 10px;
    color: white;
    font-weight: bold;
    z-index: 2000;
    animation: slideInRight 0.3s ease;
    display: none;
}

.notification.success {
    background: #28a745;
}

.notification.error {
    background: #dc3545;
}

.notification.info {
    background: #17a2b8;
}

.notification.active {
    display: block;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

.pdf-viewer {
    width: 100%;
    height: 600px;
    border: none;
    border-radius: 10px;
    margin-top: 20px;
}

.summary-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    justify-content: center;
}

.pdf-download-info {
    text-align: center;
    padding: 15px;
    background: #e8f5e9;
    border-radius: 10px;
    margin-top: 15px;
    color: #2e7d32;
}

.pdf-icon {
    font-size: 48px;
    margin-bottom: 10px;
}

.voice-status {
    text-align: center;
    padding: 10px;
    background: #e3f2fd;
    border-radius: 10px;
    margin: 10px 0;
    font-size: 0.9em;
    color: #1565c0;
    display: none;
}

.voice-status.active {
    display: block;
}