body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #333;
}

/* HEADER (smaller) */
.header {
    text-align: center;
    padding: 15px;
    background: linear-gradient(to right, #2c3e50, #4ca1af);
    color: white;
}

.header h1 {
    margin: 4px;
    font-size: 20px;
}

.file {
    font-size: 12px;
    opacity: 0.8;
}

/* CARD (smaller) */
.card {
    width: 50%;
    margin: 25px auto;
    padding: 20px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    text-align: center;
}

.title {
    margin-bottom: 15px;
    font-size: 20px;
}

/* BOXES (compact) */
.box {
    margin: 12px 0;
    padding: 10px;
    border-radius: 8px;
    transition: 0.3s;
}

.box:hover {
    transform: scale(1.02);
}

/* COLORS */
.date {
    background: #e3f2fd;
}

.math {
    background: #e8f5e9;
}

.string {
    background: #fff3e0;
}

h3 {
    margin: 5px;
    font-size: 15px;
}

p {
    font-size: 13px;
}

/* FOOTER (smaller) */
.footer {
    text-align: center;
    padding: 10px;
    color: white;
    background: #2c3e50;
    font-size: 12px;
}