body {
    width: 100vw;
    overflow-x: hidden;
    background: #f4f4f4;
    font-family: 'Arial', sans-serif;
}

.container-fluid {
    width: 100%;
    padding-left: 0;
    padding-right: 0;
}

.header-btn:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

@media (min-width: 768px) and (max-width: 991px) {
    .navbar {
        padding: 10px 15px;
    }
    .navbar-brand {
        font-size: 1.5rem;
    }
    .navbar-nav.main-nav {
        display: none;
    }
    .navbar-nav.auth-nav {
        display: flex;
        flex-direction: row;
        justify-content: center;
        width: 100%;
        margin: 0;
    }
    .navbar-nav.auth-nav .nav-item {
        margin: 0 10px;
    }
    .header-btn {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
    .navbar-collapse {
        display: flex !important;
        justify-content: center;
    }
    .navbar-toggler {
        display: none;
    }
}

@media (max-width: 767px) {
    .navbar-nav.auth-nav {
        flex-direction: column;
        align-items: center;
    }
    .navbar-nav.auth-nav .nav-item {
        margin: 5px 0;
    }
    .navbar-collapse {
        padding: 10px;
        border-radius: 5px;
    }
}

.main-menu {
    background-color: #2c3e50;
    height: 50px;
    padding: 0 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-top: 10px;
}

.main-menu ul {
    justify-content: center;
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    height: 100%;
    align-items: center;
}

.main-menu li {
    margin: 0 15px;
}

.main-menu a {
    color: #ffffff;
    text-decoration: none;
    padding: 10px 15px;
    display: block;
    transition: all 0.3s ease;
    font-weight: 500;
}

.main-menu a:hover {
    color: #f1c40f;
    background-color: #e0e0e0;
    border-radius: 4px;
}

.modern-tender-card {
    width: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 150px;
    border: none;
    border-radius: 15px;
    overflow: hidden;
}

.modern-tender-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.card-body {
    padding: 20px;
    position: relative;
}

.card-text {
    margin-bottom: 10px;
    line-height: 1.5;
}

.title-strip {
    color: #fff;
    padding: 5px 15px;
    margin-left: -20px;
    margin-top: -20px;
    margin-right: -20px;
    border-top-left-radius: 0;
    border-top-right-radius: 15px;
    margin-bottom: 15px;
    width: 100%;
    min-height: 40px;
}

.tender-image {
    width: 230px;
    height: 150px;
    object-fit: cover;
}

.tender-image-placeholder {
    width: 230px;
    height: 150px;
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: #666;
}

.badge {
    padding: 5px 10px;
}

.search-input,
.search-select,
.search-btn {
    height: 60px;
}

.add-tender-btn {
    padding: 10px 20px;
    text-decoration: none;
    background-color: #26A69A;
    border-radius: 0px;
}

.btn-xs {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.btn-xl {
    padding: 0.75rem 1.5rem;
    font-size: 1.25rem;
}

.btn-jumbo {
    padding: 1rem 2rem;
    font-size: 1.5rem;
}

.card {
    border: none;
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.btn-modern {
    border-radius: 20px;
    padding: 8px 20px;
    transition: all 0.3s;
}

.btn-modern:hover {
    background-color: #007bff;
    color: white;
}

.input-group {
    transition: all 0.3s;
    height: 60px;
}

.input-group:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

@media (min-width: 992px) {
    .navbar-collapse {
        display: flex !important;
    }
    .navbar-toggler {
        display: none;
    }
    .col-lg-4 {
        width: 33.333%;
    }
}

@media (max-width: 991px) {
    .navbar-nav .nav-link {
        padding: 8px 10px;
        font-size: 0.9rem;
    }
    .main-menu ul {
        flex-direction: column;
        align-items: flex-start;
    }
    .main-menu li {
        margin: 5px 0;
    }
}

@media (max-width: 992px) {
    .modern-tender-card {
        flex-direction: column;
    }
    .tender-image,
    .tender-image-placeholder {
        width: 100%;
        height: 200px;
        border-radius: 15px 15px 0 0;
    }
    .title-strip {
        margin-left: 0;
        margin-right: 0;
        margin-top: 0;
        border-top-left-radius: 0;
        border-top-right-radius: 0;
    }
    .card-body {
        padding: 15px;
    }
    .d-flex.align-items-center {
        flex-direction: column;
        align-items: flex-start;
    }
    .btn.btn-sm {
        margin-bottom: 10px;
    }
    .input-group {
        flex-direction: column;
    }
    .search-select {
        max-width: 100%;
    }
}

@media (max-width: 767.98px) {
    .col-md-6 {
        width: 100%;
    }
    .modern-tender-card {
        flex-direction: column;
    }
    .img-fluid {
        width: 100%;
        height: 150px;
    }
    .btn-lg {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .modern-tender-card {
        flex-direction: column;
    }
    .tender-image,
    .tender-image-placeholder {
        display: none !important;
    }
    .card-body {
        padding: 10px;
    }
    .search-input,
    .search-select,
    .search-btn {
        height: 50px;
    }
    .btn.btn-lg {
        font-size: 1rem;
        padding: 0.5rem 1rem;
    }
}