/* GLOBAL */
body {
    font-family: "Segoe UI", sans-serif;
    background: #f4f6f9;
    margin: 0;
    padding: 0;
}

/* HEADER */
.top-header {
    background: #1E293B;
    color: #fff;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 3px solid #0EA5E9;
    position: sticky;
    top: 0;
    z-index: 999;
}

.top-header h2 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    white-space: nowrap;
}

.top-header nav {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.top-header nav a {
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    padding: 6px 10px;
    border-radius: 6px;
}

.top-header nav a.active,
.top-header nav a:hover {
    background: #0EA5E9;
    text-decoration: none;
}

/* MOBILE HEADER */
@media (max-width: 768px) {
    .top-header {
        flex-direction: column;
        text-align: center;
        padding: 12px;
    }
    .top-header nav {
        justify-content: center;
        gap: 10px;
        margin-top: 8px;
    }
    .top-header h2 {
        font-size: 18px;
    }
}

/* PAGE CARD */
.container-card {
    width: 95%;
    max-width: 1100px;
    margin: 25px auto;
    background: #ffffff;
    padding: 22px;
    border-radius: 8px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

/* FORM CONTROLS */
form label {
    font-weight: 600;
    margin-top: 10px;
    display: block;
}

input.form-control,
textarea.form-control,
select.form-select {
    background: #F8FAFC;
    border: 1px solid #CBD5E1;
    font-size: 15px;
}

textarea { height: 85px; }

/* CHECKBOX GROUP */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.checkbox-group label {
    background: #E2E8F0;
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid #CBD5E1;
    cursor: pointer;
    font-size: 14px;
}

.checkbox-group input {
    margin-right: 6px;
}

.checkbox-group label:hover {
    background: #cbd5e1;
}

/* SUBMIT BUTTON */
button {
    width: 100%;
    padding: 12px;
    background: #0EA5E9;
    border: none;
    border-radius: 6px;
    font-size: 18px;
    font-weight: 600;
    color: white;
}

button:hover {
    background: #0284C7;
}

/* ALERTS OVERRIDE */
.alert {
    font-weight: 600;
}