body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
}

.pdf-viewer-container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 5px;
    overflow: hidden;
}

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: #2c3e50;
    color: white;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

button {
    background: #3498db;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 3px;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #2980b9;
}

button:disabled {
    background: #95a5a6;
    cursor: not-allowed;
}

.page-info {
    font-weight: bold;
}

.zoom-controls {
    display: flex;
    gap: 5px;
}

.pdf-container {
    display: flex;
    justify-content: center;
    padding: 20px;
    min-height: 500px;
    background: #525659; /* Adobe-like background */
}

.pdf-page {
    box-shadow: 0 0 5px rgba(0,0,0,0.3);
    max-width: 100%;
}

.loading {
    text-align: center;
    padding: 50px;
    color: #7f8c8d;
}

input[type="number"] {
    width: 50px;
    padding: 5px;
    text-align: center;
}

@media screen and (max-width: 450px) {
	
}