* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background: linear-gradient(135deg, #f4f7fa 0%, #e0e7ff 100%);
    color: #333;
    line-height: 1.6;
    transition: transform 0.3s ease;
    min-height: 100vh;
}


.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #F8F9FA;
    padding: 15px 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1000;
}

.navbar .logo img {
    height: 40px;
    width: auto;
}

.navbar .search-bar {
    width: 300px;
    position: relative;
}

.navbar .search-bar input {
    width: 100%;
    padding: 8px 15px;
    border: none;
    border-radius: 20px;
    outline: none;
    font-size: 14px;
    background-color: #fff;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.navbar .search-bar input:focus {
    box-shadow: 0 0 5px #ff9100f5;
}

.navbar .search-bar i {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #777;
}

.navbar .nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.navbar .nav-links a {
    color: #555;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s;
}

.navbar .nav-links a:hover {
    color: #FF510B;
}

.navbar .create-ad {
    background-color: #FF510B;
    color: #fff!important;
    padding: 8px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: background-color 0.3s;
}

.navbar .create-ad:hover {
    background-color: #FF0F2E;
}

.navbar .menu-icon {
    display: none;
    color: #555;
    font-size: 24px;
    cursor: pointer;
}
 
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #fff;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 10px 0;
    z-index: 1000;
}

.bottom-nav .nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #555;
    font-size: 12px;
    transition: color 0.3s ease, transform 0.2s ease;
}

.bottom-nav .nav-item i {
    font-size: 20px;
    margin-bottom: 5px;
    color: #FF510B;
}

.bottom-nav .nav-item span {
    font-weight: 500;
}

.bottom-nav .nav-item:hover,
.bottom-nav .nav-item:focus {
    color: #FF510B;
    transform: translateY(-3px);  
}

 
@media (min-width: 769px) {
    .bottom-nav {
        display: none;
    }
}

 
@media (max-width: 768px) {
    body {
        padding-bottom: 70px;  
    }
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #F8F9FA;
    padding: 70px 20px 20px;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 999;
    overflow-y: auto;  
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu a {
    display: block;
    color: #555;
    text-decoration: none;
    font-size: 16px;
    padding: 15px 0;
    transition: color 0.3s;
}

.mobile-menu a:hover {
    color: #FF510B;
}
.mobile-menu .user-section {
    margin-top: 30px;
    margin-bottom: 20px;
}

.mobile-menu .welcome-msg {
    display: block;
    color: #2c3e50;
    font-size: 16px;
    font-weight: 500;
    padding: 10px 15px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

 
.mobile-menu .auth-btn {
    display: block;
    text-align: center;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    padding: 12px 15px;
    margin: 10px 0;
    border-radius: 8px;
    transition: all 0.3s ease;
}

 
.mobile-menu .login-btn {
    background-color: #FF510B;
    color: #fff;
    box-shadow: 0 2px 5px rgba(255, 81, 11, 0.3);
}

.mobile-menu .login-btn:hover {
    background-color: #e6450a;
    transform: translateY(-2px);  
}

 
.mobile-menu .register-btn {
    background-color: #fff;
    color: #FF510B;
    border: 2px solid #FF510B;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.mobile-menu .register-btn:hover {
    background-color: #FF510B;
    color: #fff;
    transform: translateY(-2px);
}
 
.mobile-categories ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

 
.mobile-categories .category {
    margin-bottom: 10px;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

 
.mobile-categories .main-cat {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    background-color: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease;
}

.mobile-categories .main-cat:hover {
    background-color: #f1f3f5;
}

.mobile-categories .main-cat i {
    margin-right: 12px;
    color: #FF510B;
    font-size: 16px;
}

.mobile-categories .main-cat a {
    text-decoration: none;
    color: #2c3e50;
    font-size: 15px;
    font-weight: 500;
    flex: 1;  
}

 
.mobile-categories .toggle-icon {
    cursor: pointer;
    padding-left: 10px;
}

.mobile-categories .toggle-icon i {
    color: #555;
    font-size: 14px;
    transition: transform 0.3s ease;
}

.mobile-categories .category.active .toggle-icon i {
    transform: rotate(180deg);  
}

 
.mobile-categories .subcategories {
    margin-left: 0;
    max-height: 0;
    overflow: hidden;
    background-color: #f8f9fa;
    transition: max-height 0.3s ease;
}

.mobile-categories .category.active .subcategories {
    max-height: 200px;  
}

.mobile-categories .subcategories li {
    padding: 10px 20px;
    border-bottom: 1px solid #e9ecef;
}

.mobile-categories .subcategories li:last-child {
    border-bottom: none;
}

.mobile-categories .subcategories li a {
    text-decoration: none;
    color: #555;
    font-size: 14px;
    display: block;
    transition: color 0.3s ease, padding-left 0.3s ease;
}

.mobile-categories .subcategories li a:hover {
    color: #FF510B;
    padding-left: 5px;
}
.mobile-menu .stats-boxes {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;  
}

.mobile-menu .stat-box {
    background-color: #fff;
    width: calc(50% - 5px);  
    padding: 10px;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.mobile-menu .stat-box i {
    font-size: 18px;
    color: #FF510B;
    margin-bottom: 5px;
}

.mobile-menu .stat-box .stat-title {
    display: block;
    font-size: 12px;
    color: #666;
}

.mobile-menu .stat-box .stat-number {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 50px auto 20px;
    padding: 0 20px;
    display: flex;
    gap: 30px;
    align-items: stretch;
}

.register-form-section, .login-prompt-section {
    width: 50%;
    background: #fff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.register-form-section:hover, .login-prompt-section:hover {
    transform: translateY(-5px);
}

.register-form-section h2, .login-prompt-section h2 {
    font-size: 28px;
    color: #2c3e50;
    margin-bottom: 25px;
    position: relative;
}

.register-form-section h2::after, .login-prompt-section h2::after {
    content: '';
    width: 50px;
    height: 3px;
    background: #FF510B;
    position: absolute;
    bottom: -10px;
    left: 0;
}

.register-form label {
    display: block;
    font-size: 14px;
    color: #555;
    margin-bottom: 8px;
    font-weight: 500;
}

.register-form label span.required {
    color: #e74c3c;
    margin-left: 5px;
}

.register-form input {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 20px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    outline: none;
    background: #f9f9f9;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.register-form input:focus {
    border-color: #FF510B;
    box-shadow: 0 0 8px rgba(52, 152, 219, 0.3);
    background: #fff;
}

.captcha-container {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.captcha-container .captcha-text {
    width: 120px;
    height: 40px;
    background: #eee;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    color: #333;
    user-select: none;
    cursor: pointer;
    transition: background 0.3s;
}

.captcha-container .captcha-text:hover {
    background: #ddd;
}

.captcha-container input {
    width: 150px;
    height: 40px;  
    padding: 0 15px;  
    margin: 0;  
}

.register-form .checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    cursor: pointer;
    user-select: none;
    margin-bottom: 20px;
}

.register-form .checkbox-container input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    height: 0;
    width: 0;
}

.register-form .checkbox-container .checkmark {
    height: 20px;
    width: 20px;
    background-color: #eee;
    border-radius: 5px;
    margin-right: 10px;
    transition: background-color 0.3s;
    position: relative;
}

.register-form .checkbox-container input[type="checkbox"]:checked ~ .checkmark {
    background-color: #FF510B;
}

.register-form .checkbox-container .checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.register-form .checkbox-container input[type="checkbox"]:checked ~ .checkmark:after {
    display: block;
}

.register-form .checkbox-container label {
    font-size: 14px;
    color: #555;
    margin: 0;
    line-height: 20px;
}

.register-form .checkbox-container label a {
    color: #FF510B;
    text-decoration: none;
    transition: color 0.3s;
}

.register-form .checkbox-container label a:hover {
    color: #FF0F2E;
}

.register-form button {
    width: 100%;
    padding: 14px;
    background: #FF510B;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: not-allowed;
    transition: background 0.3s, transform 0.2s, opacity 0.3s;
    opacity: 0.6;
}

.register-form button.active {
    cursor: pointer;
    opacity: 1;
}

.register-form button.active:hover {
    background: #FF510B;
    transform: translateY(-2px);
}

.login-prompt-section p {
    font-size: 16px;
    color: #555;
    margin-bottom: 25px;
    line-height: 1.8;
}

.login-prompt-section button {
    padding: 13px 25px;
    background: #FF510B;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
}

.login-prompt-section button:hover {
    background: #FF0F2E;
    transform: translateY(-2px);
}


@media (max-width: 768px) {
    .navbar .search-bar, .navbar .nav-links {
        display: none;
    }

    .navbar .menu-icon {
        display: block;
    }

    .container {
        flex-direction: column;
        margin: 80px 15px 20px;
        gap: 20px;
    }

    .register-form-section, .login-prompt-section {
        width: 100%;
        padding: 25px;
    }

    .register-form-section h2, .login-prompt-section h2 {
        font-size: 22px;
    }

    .register-form-section h2::after, .login-prompt-section h2::after {
        width: 40px;
    }

    .register-form input {
        font-size: 14px;
        padding: 10px 12px;
        margin-bottom: 15px;
    }

    .captcha-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .captcha-container .captcha-text {
        width: 100px;
        height: 35px;
        font-size: 16px;
    }

    .captcha-container input {
        width: 100%;
        height: 35px;  
    }

    .register-form .checkbox-container .checkmark {
        height: 18px;
        width: 18px;
    }

    .register-form .checkbox-container .checkmark:after {
        left: 6px;
        top: 2px;
        width: 4px;
        height: 9px;
    }

    .register-form button {
        font-size: 14px;
        padding: 12px;
    }

    .login-prompt-section p {
        font-size: 14px;
    }

    .login-prompt-section button {
        font-size: 14px;
        padding: 11px 20px;
    }

    body.menu-open .container {
        overflow-y: hidden;
    }
}