:root {
    --paper-bg: #fdfaf1;
    --line-color: #e8dfcf;
    --text-main: #4a3f35;
    --accent-brown: #8b5a2b;
    --border-soft: #dccfb8;
}

body {
    background-color: #d2b48c; /* Outer desk color */
    background-image: radial-gradient(#bc9b6a 1px, transparent 1px);
    background-size: 20px 20px;
    color: var(--text-main);
    font-family: 'Georgia', serif;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
}

.notebook-page {
    background: var(--paper-bg);
    width: 100%;
    max-width: 850px;
    min-height: 100vh;
    padding: 60px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    border-radius: 2px;
    position: relative;
    border-left: 15px solid var(--accent-brown);
    animation: fadeInPage 0.8s ease-out;
}

@keyframes fadeInPage {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.card {
    border-bottom: 1px solid var(--line-color);
    padding: 25px 0;
    margin-bottom: 10px;
    opacity: 0;
    animation: slideIn 0.5s forwards;
}

@keyframes slideIn {
    to { opacity: 1; transform: translateX(0); }
    from { opacity: 0; transform: translateX(-15px); }
}

.option-label {
    display: block;
    padding: 12px;
    margin: 8px 0;
    border: 1px solid var(--border-soft);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255,255,255,0.5);
}

.option-label:hover {
    background: #f3ece0;
    transform: scale(1.01);
}

.btn-enter {
    background: var(--accent-brown);
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: transform 0.2s;
}

.btn-enter:hover { transform: scale(1.05); }

.explanation {
    display: none;
    background: #f7f1e3;
    padding: 20px;
    border-radius: 8px;
    margin-top: 15px;
    border: 1px dashed var(--accent-brown);
}

/* Custom Select Styling */
.db-selector-container {
    position: relative;
    width: 300px;
    margin: 20px auto;
}

.custom-select {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    padding: 12px 20px;
    background-color: #fff;
    border: 2px solid var(--accent-brown);
    border-radius: 25px;
    color: var(--text-main);
    font-family: 'Georgia', serif;
    font-size: 1rem;
    cursor: pointer;
    outline: none;
    text-align: center;
    box-shadow: 0 4px 6px rgba(139, 90, 43, 0.1);
    transition: all 0.3s ease;
}

.custom-select:hover {
    box-shadow: 0 6px 12px rgba(139, 90, 43, 0.2);
    transform: translateY(-2px);
}

/* Custom Arrow for the Select */
.db-selector-container::after {
    content: '▼';
    font-size: 0.8rem;
    top: 15px;
    right: 20px;
    position: absolute;
    color: var(--accent-brown);
    pointer-events: none;
}