/* body */
body {
    font-family: Arial, sans-serif;
    background-color: #f0f8f0;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    color: #333;
}

/* main container */
.account-container {
    background-color: #ffffff;
    padding: 30px 40px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 800px;
    border: 1px solid #e0e0e0;
}

/* links and buttons */
.back-link {
    display: inline-block;
    padding: 10px 18px;
    background-color: #2e8b57;
    color: white;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    transition: background-color 0.3s ease;
    margin-bottom: 25px;
}
.back-link:hover {
    background-color: #256b43;
}

.primary-button {
    padding: 12px 20px;
    background-color: #6c757d;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}
.primary-button:hover {
    background-color: #5a6268;
}

.danger-button {
    padding: 12px 20px;
    background-color: #dc3545;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}
.danger-button:disabled {
    background-color: #c82333;
    opacity: 0.5;
    cursor: not-allowed;
}
.danger-button:hover:not(:disabled) {
    background-color: #c82333;
}

/* button group */
.button-group {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.secondary-button {
    padding: 12px 20px;
    background-color: #2e8b57;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}
.secondary-button:hover {
    background-color: #256b43;
}

/* button icons */
.primary-button i, .secondary-button i {
    margin-right: 8px;
}

/* header */
.account-header {
    text-align: center;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
    margin-bottom: 20px;
}
.account-header h1 {
    color: #2e8b57;
    margin: 0;
}
.account-header p {
    color: #666;
    margin: 5px 0 0;
}

/* 2 column layout */
.account-main {
    display: flex;
    gap: 30px;
}

/* menu nav (left) */
.account-nav {
    flex-basis: 200px;
    flex-shrink: 0;
}
.account-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    position: sticky;
    top: 20px;
}
.account-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    text-decoration: none;
    color: #333;
    border-radius: 6px;
    transition: background-color 0.2s;
}
.account-nav .nav-link:hover {
    background-color: #f0f0f0;
}
.account-nav .nav-link.active {
    background-color: #e8f5e9;
    font-weight: bold;
    color: #2e8b57;
}

/* menu content (right) */
.account-content {
    flex-grow: 1;
}
.account-content h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #2e8b57;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    margin-top: 0;
}
.content-panel {
    display: none;
}
.content-panel.active {
    display: block;
}

/* form elements */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 8px;
}
.form-group input[type="email"],
.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 16px;
}
.form-group input:disabled {
    background-color: #f9f9f9;
    cursor: not-allowed;
}
.form-group small {
    display: block;
    margin-top: 8px;
    font-size: 14px;
    color: #666;
}
.message-area {
    margin-top: 15px;
    font-weight: bold;
}