:root {
    --primary-color: #f0c14b;
    --bg-color: #f3f3f3;
    --text-color: #111;
    --secondary-bg: #fff;
    --border-color: #ccc;
    --btn-hover: #e2b745;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background-color: #232f3e;
    color: #fff;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 4px;
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
}

.hidden {
    display: none !important;
}

#user-controls {
    display: flex;
    gap: 10px;
}

button {
    background-color: var(--primary-color);
    color: var(--text-color);
    border: 1px solid #a88734;
    padding: 8px 16px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 14px;
}

button:hover {
    background-color: var(--btn-hover);
}

.auth-forms {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.form-container {
    background: var(--secondary-bg);
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    flex: 1;
}

input {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    box-sizing: border-box;
}

.add-item-form {
    background: var(--secondary-bg);
    padding: 20px;
    margin-top: 20px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: var(--secondary-bg);
}

th, td {
    border: 1px solid var(--border-color);
    padding: 10px;
    text-align: left;
}

th {
    background-color: #eaeaea;
}

#chart-container {
    margin-top: 30px;
    background: var(--secondary-bg);
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    position: relative;
}

#close-chart {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #ccc;
    border: none;
}

#close-chart:hover {
    background: #bbb;
}

/* Responsive Table */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Checkbox Styles */
.checkbox-group {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
}

/* Mobile Responsiveness */
@media screen and (max-width: 768px) {
    .auth-forms {
        flex-direction: column;
    }

    header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    #user-controls {
        flex-wrap: wrap;
        justify-content: center;
    }

    button {
        width: 100%;
        margin-bottom: 5px;
    }

    .form-container, .add-item-form, #chart-container {
        padding: 15px;
    }

    th, td {
        padding: 8px;
        font-size: 14px;
    }
}

.edit-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    padding: 2px 5px;
    margin-left: 5px;
    color: #007bff;
    transition: transform 0.2s;
}

.edit-btn:hover {
    transform: scale(1.1);
}