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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    text-align: center;
    margin-bottom: 40px;
    color: white;
}

/* Logo styling */
.logo {
    width: 340px; /* enlarged logo */
    height: auto;
    margin: 0 auto 15px;
    display: block;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.15));
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.icon {
    font-size: 2rem;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 400;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.control-panel {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 150px;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #f44336, #d32f2f);
    color: white;
    box-shadow: 0 4px 15px rgba(244, 67, 54, 0.3);
}

.btn-secondary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(244, 67, 54, 0.4);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-icon {
    font-size: 1.2rem;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    color: #666;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ccc;
    transition: all 0.3s ease;
}

.status-dot.listening {
    background: #4CAF50;
    animation: pulse 2s infinite;
}

.status-dot.error {
    background: #f44336;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.translation-panels {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 20px;
    align-items: stretch;
}

.panel {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    min-height: 300px;
    display: flex;
    flex-direction: column;
}

.panel-header {
    background: linear-gradient(135deg, #2196F3, #1976D2);
    color: white;
    padding: 20px;
    text-align: center;
}

.spanish-panel .panel-header {
    background: linear-gradient(135deg, #FF9800, #F57C00);
}

.panel-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.flag {
    font-size: 1.5rem;
}

.panel-content {
    flex: 1;
    padding: 25px;
    display: flex;
    align-items: flex-start;
}

.text-display {
    width: 100%;
    min-height: 200px;
    font-size: 1.1rem;
    line-height: 1.6;
    color: #333;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.text-display.partial {
    opacity: 0.7;
    font-style: italic;
}

.translation-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 0;
}

.arrow {
    font-size: 2rem;
    color: white;
    background: rgba(255, 255, 255, 0.2);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    animation: arrow-bounce 2s infinite;
}

@keyframes arrow-bounce {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(8px); }
}

.info-panel {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-around;
    text-align: center;
}

.label {
    font-weight: 600;
    color: #666;
    margin-right: 10px;
}

#latencyDisplay {
    color: #4CAF50;
    font-weight: 600;
}

#connectionStatus {
    font-weight: 600;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: white;
    border-radius: 15px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    color: #f44336;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #999;
}

.modal-body {
    padding: 20px;
}

@media (max-width: 768px) {
    .translation-panels {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .translation-arrow {
        transform: rotate(90deg);
    }
    
    .control-panel {
        flex-direction: column;
        gap: 15px;
    }
    
    .info-panel {
        flex-direction: column;
        gap: 15px;
    }
    
    .title {
        font-size: 2rem;
    }
}