/* ================= PAGE WRAPPER ================= */
.main {
    margin-left: 260px;
    width: calc(100% - 260px);
    margin-top: 80px;
    padding: 20px;
    transition: all 0.3s ease;
}

/* ================= CONTAINER ================= */
.container {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 25px 30px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.08);
}

/* ================= PAGE TITLE ================= */
.container h2 {
    text-align: center;
    color: #007bff;
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
}

h3 {
    text-align: center;
    margin-top: 10px;
}

/* ================= FORM ================= */
form {
    width: 100%;
}

form label {
    display: block;
    margin-top: 10px;
    font-weight: 600;
    color: #333;
}

/* ================= INPUTS ================= */
form input,
form select {
    width: 100%;
    padding: 10px 12px;
    margin-top: 6px;
    border: 1px solid #ccc;
    border-radius: 6px;
    background-color: #f8f9ff;
    font-size: 14px;
}

form input:focus,
form select:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 6px rgba(0, 123, 255, 0.35);
}

/* ================= AUTO FIELDS ================= */
.auto {
    background-color: #d5edd7;
    font-weight: 600;
}

/* ================= FORM GROUP ================= */
.form-group {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    font-weight: 600;
}

/* Inline two columns */
.form-group.inline-2 {
    flex-direction: row;
    gap: 16px;
}

.form-group.inline-2 > div {
    flex: 1;
}

/* ================= BUTTONS ================= */
button {
    display: block;
    width: 60%;
    margin: 25px auto 0;
    padding: 12px 20px;
    background-color: #28a745;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background-color: #218838;
    box-shadow: 0 4px 10px rgba(40, 167, 69, 0.35);
}

/* ================= BACK BUTTON ================= */
.back-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 18px;
    background-color: #007bff;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: 0.3s;
}

.back-btn:hover {
    background-color: #006ae6;
}

/* ================= STICKY FILTER BAR ================= */
.head {
    position: sticky;
    top: 60px;
    background: #fff;
    z-index: 1000;
    padding: 15px 0;
    border-bottom: 1px solid #ccc;
}

/* ================= SELECT + DOWNLOAD ================= */
.select-download-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.select-download-wrapper select {
    max-width: 300px;
}

select {
    width: 100%;
    max-width: 300px;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    margin-top: 6px;
    font-size: 15px;
    background-color: white;
    cursor: pointer;
    transition: 0.2s;
}

select:focus {
    border-color: #007bff;
    box-shadow: 0 0 5px rgba(0,123,255,0.5);
    outline: none;
}

/* ================= DOWNLOAD BUTTON ================= */
#downloadBtn {
    display: none;
    padding: 10px 20px;
    font-size: 16px;
    background-color: #28a745;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    white-space: nowrap;
    transition: 0.3s;
}

#downloadBtn:hover {
    background-color: #218838;
}

/* ================= TABLE PREVIEW ================= */
#previewContent {
    max-height: 60vh;
    overflow-y: auto;
    overflow-x: auto;
    width: 100%;
    margin-top: 15px;
}

#previewContent table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
}

#previewContent th,
#previewContent td {
    padding: 10px;
    border: 1px solid #ccc;
    white-space: nowrap;
}

/* Sticky table header */
#previewContent th {
    position: sticky;
    top: 0;
    background-color: #007bff;
    color: #fff;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* ================= MESSAGE ================= */
.message {
    margin-top: 15px;
    color: #555;
    font-size: 14px;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 992px) {
    .main {
        margin-left: 0;
        width: 100%;
        padding: 20px;
    }

    button {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 18px;
    }

    .container h2 {
        font-size: 18px;
    }

    .form-group.inline-2 {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 576px) {
    .main {
        padding: 15px;
        margin-top: 70px;
    }

    #previewContent table {
        min-width: 500px;
    }

    #previewContent th,
    #previewContent td {
        font-size: 13px;
        padding: 8px;
    }
}

@media (max-width: 420px) {
    form input,
    form select {
        font-size: 13px;
        padding: 9px;
    }
}