/* =========================
   GLOBAL RESET + BASE
========================= */
body {
    font-family: "Segoe UI", Arial, sans-serif;
    background: #f4f6f9;
    color: #2c3e50;
    margin: 0;
    padding: 0;
}

#main_area {
    padding: 30px;
}

#work_area {
    max-width: 1200px;
    margin: auto;
}

/* =========================
   HEADINGS
========================= */
h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 25px;
}
#header {
    background: linear-gradient(90deg, #d9e3f2, #0b5ed7);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

#header_area {
    max-width: 1200px;
    margin: auto;
    padding: 10px 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}
.default_button {
    background: #0d6efd;
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: 0.3s;
}

.default_button:hover {
    background: #0b5ed7;
}