/* OGTECH_BHFTTEM Theme - Smooth & Clean Design */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: #2d3748;
    line-height: 1.6;
    background-color: #f8f9fa;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Navigation */
.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
}

.navbar-brand img {
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: #4a5568 !important;
    padding: 0.5rem 1rem !important;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: #667eea !important;
    background: rgba(102, 126, 234, 0.1);
}

.navbar-nav .dropdown-menu {
    border: none;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border-radius: 1rem;
    padding: 0.5rem;
    margin-top: 0.5rem;
}

.navbar-nav .dropdown-item {
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    font-weight: 500;
}

.navbar-nav .dropdown-item:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateX(5px);
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* Mobile dropdown fix */
@media (max-width: 991.98px) {
    .navbar-collapse {
        max-height: 80vh;
        overflow-y: auto;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        z-index: 999;
        padding: 1rem;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }
    
    .dropdown-menu {
        display: none !important;
        position: static !important;
        float: none !important;
        width: 100% !important;
        margin-top: 0.5rem !important;
        border: none !important;
        box-shadow: none !important;
        padding-left: 1rem !important;
        background: rgba(102, 126, 234, 0.05) !important;
        border-radius: 0.5rem !important;
    }
    
    .dropdown-menu.show {
        display: block !important;
    }
    
    .dropdown-item {
        color: #4a5568 !important;
        padding: 0.75rem 1rem !important;
        border-radius: 0.5rem;
    }
    
    .dropdown-item:hover {
        background: rgba(102, 126, 234, 0.1) !important;
        color: #667eea !important;
        transform: none !important;
    }
    
    .dropdown.show {
        position: relative;
    }
}

/* Hero Section */
.hero-section {
    position: relative;
    overflow: hidden;
    min-height: 300px;
    display: flex;
    align-items: center;
    padding: 3rem 0;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') bottom / cover no-repeat;
    pointer-events: none;
}

@media (max-width: 768px) {
    .hero-section {
        min-height: 250px;
        padding: 2rem 0;
    }
    
    .hero-section h1 {
        font-size: 1.75rem;
    }
    
    .hero-section .lead {
        font-size: 1rem;
    }
    
    .hero-section form {
        background: white;
        padding: 1.5rem;
        border-radius: 1rem;
        box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    }
    
    .hero-section .row > div {
        margin-bottom: 0.75rem;
    }
    
    .hero-section .row > div:last-child {
        margin-bottom: 0;
    }
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') bottom / cover no-repeat;
    pointer-events: none;
}

.search-box {
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
}

@media (max-width: 768px) {
    .search-box {
        padding: 1.5rem !important;
    }
    
    .search-box .col-md-4,
    .search-box .col-md-3,
    .search-box .col-md-2 {
        width: 100%;
        max-width: 100%;
        flex: 0 0 100%;
    }
}

.search-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15) !important;
}

.search-box .form-control {
    border: 2px solid #e2e8f0;
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-box .form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-box .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 0.75rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.search-box .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

/* Cards */
.card {
    border: none;
    border-radius: 1rem;
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1) !important;
}

.card-title {
    color: #2d3748;
    font-weight: 600;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%) !important;
}

footer a:hover {
    color: #667eea !important;
}

footer .text-muted {
    color: rgba(255, 255, 255, 0.75) !important;
}

footer .text-muted a {
    color: rgba(255, 255, 255, 0.75) !important;
}

footer .text-muted a:hover {
    color: #667eea !important;
}

/* EPrints Specific Styles */
.ep_tm_pagetitle {
    color: #2d3748;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid #667eea;
}

.ep_summary_content {
    padding: 1.5rem;
    background: white;
    border-radius: 1rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.ep_summary_content:hover {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.ep_form_field_input {
    border: 2px solid #e2e8f0;
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

.ep_form_field_input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    padding: 0.5rem 1.5rem;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

/* Login Status */
.status {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 1rem;
    padding: 1rem 1.5rem;
}

.status a {
    color: white;
    font-weight: 600;
}

/* Table Styles */
.table {
    border-radius: 1rem;
    overflow: hidden;
}

.table thead th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    font-weight: 600;
    padding: 1rem;
}

.table tbody tr {
    transition: all 0.3s ease;
}

.table tbody tr:hover {
    background: rgba(102, 126, 234, 0.05);
}

/* Pagination */
.pagination .page-link {
    border: none;
    color: #667eea;
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.pagination .page-link:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 1rem;
    padding: 1rem 1.5rem;
}

.alert-success {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
}

.alert-danger {
    background: linear-gradient(135deg, #f56565 0%, #e53e3e 100%);
    color: white;
}

.alert-info {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero-section {
        min-height: 300px;
        padding: 3rem 0;
    }
    
    .hero-section h1 {
        font-size: 1.75rem;
    }
    
    .hero-section .lead {
        font-size: 1rem;
    }
    
    .search-box {
        padding: 1.5rem !important;
    }
    
    .search-box .row > div {
        margin-bottom: 0.75rem;
    }
    
    .search-box .row > div:last-child {
        margin-bottom: 0;
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem !important;
        border-radius: 0.5rem;
        margin: 0.25rem 0;
    }
    
    footer {
        text-align: center;
    }
    
    footer .text-md-end {
        text-align: center !important;
        margin-top: 1rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .card-body {
        padding: 1.5rem !important;
    }
    
    .ep_tm_pagetitle {
        font-size: 1.25rem;
    }
}

/* Smooth Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card, .ep_summary_content {
    animation: fadeIn 0.5s ease-out;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
}

/* Print Styles */
@media print {
    .navbar, .hero-section, footer, .search-box {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #e2e8f0 !important;
    }
}