/* 
  Color Palette:
  - Primary Green: #3A864B
  - Secondary Orange: #FF6700
  - Light Neutral: #F5F5F5
  - Dark Text: #333333
  - White: #FFFFFF
  - Border Grey: #DDDDDD
*/

/* --- Global & Typography --- */
body {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    margin: 0;
    background-color: #F5F5F5;
    color: #333333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    line-height: 1.5;
}

a {
    color: #3A864B;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.main-content {
    padding: 2rem;
    flex-grow: 1;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

/* --- Header --- */
.header-container {
    background-color: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top-bar {
    background-color: #f5f5f5;
    padding: 0.5rem 2rem;
    border-bottom: 1px solid #e0e0e0;
    font-size: 0.8rem;
}

.header-main {
    padding: 1.5rem 2rem;
}

.header-content-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #333;
    text-decoration: none;
    flex-shrink: 0;
}

.search-bar {
    flex-grow: 1;
    display: flex;
    max-width: 700px;
}

.search-bar input[type="text"] {
    width: 100%;
    padding: 12px 18px;
    border: 1px solid #DDDDDD;
    border-right: none;
    border-radius: 30px 0 0 30px;
    outline: none;
    font-size: 1rem;
}

.search-bar button {
    padding: 0 25px;
    border: 1px solid #3A864B;
    background-color: #3A864B;
    color: white;
    font-weight: bold;
    cursor: pointer;
    border-radius: 0 30px 30px 0;
    transition: background-color 0.2s;
}

.search-bar button:hover {
    background-color: #2e6b3c;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-sell {
    background-color: #FF6700;
    color: #FFFFFF !important;
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: bold;
    text-decoration: none !important;
    transition: background-color 0.2s, transform 0.2s;
}

.btn-sell:hover {
    background-color: #e65c00;
    transform: scale(1.05);
}

.login-prompt {
    display: flex;
    align-items: center;
    gap: 0.5em;
}

/* --- Category Navigation --- */
.category-nav-container {
    background-color: #fff;
    border-top: 1px solid #e0e0e0;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.category-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.category-nav li {
    position: relative;
}

.category-nav > ul > li > a {
    display: block;
    padding: 0.8rem 0;
    text-decoration: none;
    color: #333;
    font-weight: bold;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.category-nav > ul > li > a:hover {
    color: #FF6700;
}

.category-nav .submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #fff;
    padding: 1.5rem;
    border-radius: 0 0 5px 5px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    z-index: 1100;
    min-width: 450px;
    border: 1px solid #eee;
    border-top: none;
    column-count: 2;
    column-gap: 2rem;
}

.category-nav li:hover > .submenu {
    display: block;
}

.category-nav .submenu li {
    break-inside: avoid;
}

.category-nav .submenu a {
    display: block;
    padding: 0.6rem 1rem;
    font-weight: normal;
    color: #333;
    text-decoration: none;
    white-space: nowrap;
}

.category-nav .submenu a:hover {
    background-color: #f5f5f5;
    color: #3A864B;
}

/* --- Footer --- */
.footer {
    background-color: #333;
    color: #FFFFFF;
    padding: 2rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    margin-bottom: 1rem;
}

.footer-links a {
    color: #fff;
    margin: 0 1rem;
}

/* --- Form & Login/Register Page Styles --- */
.form-container {
    max-width: 500px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: #FFFFFF;
    border: 1px solid #DDDDDD;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.form-container h2 {
    text-align: center;
    color: #333;
    margin-top: 0;
    font-size: 1.8rem;
}

.form-container p {
    text-align: center;
    color: #666;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    font-size: 0.9rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 1rem;
}

.btn-primary {
    width: 100%;
    padding: 12px;
    background-color: #3A864B;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    transition: background-color 0.2s;
}

.btn-primary:hover {
    background-color: #2e6b3c;
}

.error-box, .success-box, .info-box {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    border: 1px solid;
}

.error-box {
    background-color: #f8d7da;
    color: #721c24;
    border-color: #f5c6cb;
}

.success-box {
    background-color: #d4edda;
    color: #155724;
    border-color: #c3e6cb;
}

.info-box {
    background-color: #e2e3e5;
    color: #383d41;
    border-color: #d6d8db;
}

.form-footer-link {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
}

/* --- Registration Page Specific Styles --- */
fieldset {
    border: 1px solid #ddd;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 5px;
}

legend {
    font-weight: bold;
    color: #3A864B;
    padding: 0 0.5rem;
    font-size: 1.2rem;
}

.account-type-group {
    display: flex;
    justify-content: space-around;
    gap: 1rem;
}

.account-type-label {
    display: block;
    padding: 1rem;
    border: 2px solid #ccc;
    border-radius: 5px;
    cursor: pointer;
    width: 45%;
    text-align: center;
    position: relative;
}

.account-type-label input[type="radio"] {
    display: none;
}

.account-type-label:has(input:checked) {
    border-color: #3A864B;
    background-color: #eaf3ec;
}

.field-description {
    font-size: 0.8rem;
    color: #666;
    margin-top: 4px;
}

.hidden {
    display: none;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

/* --- Mobile First Responsive Adjustments --- */
@media (max-width: 768px) {
    .header-main .header-content-wrapper {
        flex-direction: column;
        gap: 1rem;
    }

    .search-bar {
        width: 100%;
    }

    .header-top-bar .header-content-wrapper {
        flex-direction: column;
        gap: 0.5rem;
    }

    .category-nav-container {
        display: none; /* Hide complex category nav on mobile */
    }

    .main-content {
        padding: 1rem;
    }

    .form-container {
        margin: 1rem auto;
        padding: 1.5rem;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }
}