/* =========================================
   BKG Packaging Solutions - Centered Layout
   Full Page 80% Width, Responsive Design
   ========================================= */

/* ===== Reset & Base Styles ===== */
* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    font-family: Arial, sans-serif;
    color: #333;
    line-height: 1.5;
    font-size: 14px;
}

/* ===== Main Container ===== */
.container {
    width: 80%;
    max-width: 1200px;
    min-height: 80vh;
    background: #fff;
    padding: 25px 35px;
    border-radius: 8px;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.1);
    margin: 30px auto; /* ✅ Center horizontally */
}

/* ===== Responsive Breakpoints ===== */
@media (max-width: 1024px) {
    .container {
        width: 90%;
        padding: 20px 25px;
    }
}

@media (max-width: 768px) {
    .container {
        width: 95%;
        padding: 15px;
        margin-top: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        width: 98%;
        padding: 10px;
    }
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    margin: 10px 0;
    font-weight: bold;
}

a {
    text-decoration: none;
    color: #2196F3;
}

a:hover {
    text-decoration: underline;
}

/* ===== FORM STYLES ===== */
form {
    margin: 20px 0;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 15px;
}

.form-grid label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
}

.form-grid input,
.form-grid select,
.form-grid textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
    background: #fff;
}

.form-actions {
    margin-top: 10px;
}

/* ===== BUTTON STYLES ===== */
.btn {
    padding: 8px 14px;
    border: none;
    border-radius: 3px;
    font-size: 14px;
    cursor: pointer;
    color: #fff;
    background-color: #4CAF50;
    margin-right: 5px;
    transition: opacity 0.2s ease;
}

.btn:hover {
    opacity: 0.9;
}

.btn[style] {
    background-color: #999 !important;
}

/* ===== Action Buttons ===== */
.action-btn {
    padding: 4px 8px;
    font-size: 12px;
    border-radius: 3px;
    margin-right: 3px;
    color: #fff;
    display: inline-block;
}

.edit-btn {
    background-color: #2196F3;
}

.del-btn {
    background-color: #f44336;
}

/* ===== FILTER BOX ===== */
.filter-form {
    text-align: center;
    margin: 20px 0;
}

.filter-form form {
    display: inline-block;
}

.filter-form label {
    font-weight: bold;
    margin-right: 5px;
}

/* ===== SUMMARY BOX ===== */
.summary-box {
    margin: 15px 0;
    padding: 10px;
    background: #f9f9f9;
    border: 1px solid #ddd;
    font-weight: bold;
    font-size: 16px;
    text-align: center;
}

/* ===== TABLE STYLES ===== */
table {
    width: 100%; /* fills container only */
    border-collapse: collapse;
    margin-bottom: 20px;
    font-size: 14px;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    padding: 8px;
    text-align: left;
    vertical-align: top;
}

th {
    background-color: #f4f4f4;
    font-weight: bold;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

tr.total-row {
    font-weight: bold;
    background-color: #f2f2f2;
}

/* ===== TAB CONTENT ===== */
.tab-content {
    display: none;
    padding: 10px 0;
}

.tab-content.active {
    display: block;
}

/* ===== UTILITIES ===== */
.text-center {
    text-align: center;
}

.mt-10 {
    margin-top: 10px;
}

.mb-10 {
    margin-bottom: 10px;
}