/* Import global design system variables */
@import url('./global-variables.css');
@import url('./utility-classes.css');

/* ========================================
   JOURNAL DETAILS CUSTOM STYLES
   ======================================== */

/* 1. Typography & Spacing */
body {
    font-family: var(--font-family-primary);
    background: var(--gray-50);
    color: var(--gray-900);
    margin: 0;
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-base);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    margin-bottom: 0.5em;
    color: var(--blue-800);
}

section {
    margin-bottom: var(--spacing-10);
}

.journal-header {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--blue-800) 100%);
    color: var(--white);
    padding: var(--spacing-12) 0 var(--spacing-8) 0;
    border-radius: 0 0 var(--border-radius-3xl) var(--border-radius-3xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.journal-header .container {
    position: relative;
    z-index: 2;
}

.journal-header h1 {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-2);
    color: var(--white);
    text-shadow: 0 2px 8px rgba(30,58,95,0.10);
}

.journal-header h4 {
    font-weight: var(--font-weight-normal);
    opacity: 0.95;
    margin-bottom: var(--spacing-6);
    color: var(--white);
}

.journal-header p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
    color: var(--white);
    opacity: 0.95;
}

.journal-cover {
    max-width: 200px;
    border-radius: var(--border-radius-3xl);
    box-shadow: var(--shadow-xl);
    border: var(--border-width-4) solid rgba(255,255,255,0.3);
    background: var(--white);
    transition: var(--transition-base);
}

.journal-cover:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: var(--shadow-2xl);
}

/* 2. Card Improvements */
.stats-card, .issue-card, .article-item {
    background: var(--white);
    border-radius: var(--border-radius-3xl);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-8) var(--spacing-6);
    margin-bottom: var(--spacing-8);
    border: var(--border-width-1) solid var(--border-color-light);
    transition: var(--transition-base), box-shadow 0.2s;
    position: relative;
}

.stats-card:hover, .issue-card:hover, .article-item:hover {
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-500);
    transform: translateY(-4px) scale(1.01);
    background: var(--primary-50);
}

.stats-card:focus-within, .issue-card:focus-within, .article-item:focus-within {
    outline: var(--border-width-2) solid var(--primary-500);
    outline-offset: var(--spacing-2);
}

.stats-card h3 {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-500);
    margin-bottom: var(--spacing-2);
}

.stats-card p {
    font-size: var(--font-size-base);
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 4. Tab Navigation */
.nav-tabs {
    display: flex;
    border-bottom: var(--border-width-2) solid var(--border-color-light);
    margin-bottom: var(--spacing-8);
    background: var(--white);
    border-radius: var(--border-radius-3xl) var(--border-radius-3xl) 0 0;
    box-shadow: var(--shadow-md);
    padding: var(--spacing-2) var(--spacing-2) 0;
    overflow-x: auto;
}

.nav-tabs .nav-link {
    border: none;
    border-radius: var(--border-radius-3xl) var(--border-radius-3xl) 0 0;
    padding: var(--spacing-4) var(--spacing-8);
    font-weight: var(--font-weight-medium);
    color: var(--blue-800);
    background: transparent;
    transition: var(--transition-base);
    margin-right: var(--spacing-1);
    position: relative;
}

.nav-tabs .nav-link.active,
.nav-tabs .nav-link:hover {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-50) 100%);
    color: var(--primary-500);
    box-shadow: var(--shadow-sm);
}

.nav-tabs .nav-link.active::after {
    content: '';
    display: block;
    height: var(--border-width-4);
    background: var(--primary-500);
    border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
    position: absolute;
    left: 20%;
    right: 20%;
    bottom: -2px;
}

.issue-card h6 {
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-3);
    font-size: var(--font-size-lg);
}

.issue-card p {
    margin-bottom: var(--spacing-2);
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

.article-item h6 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-3);
    color: var(--blue-800);
}

.article-item h6 a {
    color: var(--blue-800);
    text-decoration: none;
    transition: var(--transition-base);
}

.article-item h6 a:hover {
    color: var(--primary-500);
    text-decoration: underline;
}

.article-item p {
    margin-bottom: var(--spacing-2);
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

.badge-access {
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--primary-500);
    color: var(--white);
    box-shadow: 0 2px 4px rgba(236,180,58,0.15);
}

.badge-access.open {
    background: var(--blue-500);
}

.badge-access.subscription {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-400) 100%);
    color: var(--white);
}

.search-box {
    margin-bottom: 2rem;
}

.search-box .input-group {
    box-shadow: var(--shadow-md);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
}

.search-box .input-group-text {
    background: var(--white);
    border: var(--border-width-1) solid var(--border-color-light);
    border-right: none;
    color: var(--gray-500);
}

.search-box .form-control {
    border: var(--border-width-1) solid var(--border-color-light);
    border-left: none;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition-base);
}

.search-box .form-control:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(236,180,58,0.08);
    outline: none;
}

/* 3. Button Improvements */
.btn-outline-primary {
    font-size: 1.08rem;
    padding: 0.85rem 2rem;
    border-radius: var(--border-radius-xl);
    cursor: pointer;
    transition: var(--transition-base), box-shadow 0.2s;
    box-shadow: 0 2px 8px rgba(30,58,95,0.08);
}

.btn:active, .btn-outline-primary:active {
    transform: scale(0.98);
}

.btn:focus, .btn-outline-primary:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

.btn-outline-primary {
    border: 2px solid var(--primary-500);
    color: var(--primary-500);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary-500);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(236,180,58,0.12);
}

.loading {
    text-align: center;
    padding: 3rem;
    color: var(--gray-500);
}

.loading i {
    color: var(--primary-500);
    margin-bottom: 1rem;
}

/* 5. Section Dividers */
.section-divider {
    height: 2px;
    background: linear-gradient(90deg, var(--primary-500) 0%, var(--blue-500) 100%);
    border: none;
    margin: 2rem 0;
    opacity: 0.15;
}

/* 6. Responsive Improvements */
@media (max-width: 768px) {
    .journal-header {
        padding: 2rem 0;
        border-radius: 0 0 12px 12px;
    }
    .journal-header h1 {
        font-size: 2rem;
    }
    .stats-card, .issue-card, .article-item {
        padding: 1.2rem 0.7rem;
        margin-bottom: 1.2rem;
    }
    .nav-tabs .nav-link {
        padding: 0.7rem 1rem;
        font-size: 1rem;
    }
    h1 {
        font-size: 1.5rem;
    }
}

/* 7. Accessibility: Focus States */
a:focus, button:focus, .nav-link:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* 1. Tab/Navigation Active State: Stronger color and background */
.nav-tabs .nav-link.active,
.nav-tabs .nav-link:focus {
    background: var(--primary-500);
    color: var(--white) !important;
    box-shadow: 0 2px 8px rgba(30,58,95,0.08);
    font-weight: 700;
}

.nav-tabs .nav-link {
    color: var(--gray-600);
    background: transparent;
    transition: var(--transition-base);
}

.nav-tabs .nav-link:hover:not(.active) {
    background: var(--gray-100);
    color: var(--primary-500);
}

/* 2. Make nav and cards fit and not scroll horizontally */
.nav-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
    overflow-x: unset;
    padding: 0.5rem 0.5rem 0;
    margin-bottom: 2rem;
    box-sizing: border-box;
}

.stats-row {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem; /* space between cards */
    margin-bottom: 2rem;
    justify-content: flex-start;
}

.stats-card {
    flex: 1 1 180px; /* grow, shrink, min width */
    min-width: 180px;
    max-width: 220px;
    margin-bottom: 0; /* handled by .stats-row gap */
}

/* 3. More space between stats (if not using .stats-row) */
.stats-card + .stats-card {
    margin-left: 2rem;
}

/* 4. Add vertical space between stat value and label */
.stats-card h3 {
    margin-bottom: 0.7rem;
}

.stats-card p {
    margin-top: 0.2rem;
    margin-bottom: 0;
    font-size: 1rem;
    color: var(--gray-500);
    letter-spacing: 0.5px;
}

/* Responsive: stack stats vertically on mobile */
@media (max-width: 768px) {
    .stats-row {
        flex-direction: column;
        gap: 1.2rem;
    }
    .stats-card {
        max-width: 100%;
        min-width: 0;
    }
    .nav-tabs {
        flex-wrap: wrap;
        padding: 0.5rem 0;
    }
}

/* Loading states */
.loading-pdf {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    flex-direction: column;
}

/* Enhanced article and issue cards */
.article-card, .issue-card {
    transition: all 0.3s ease;
    cursor: pointer;
    border: var(--border-width-1) solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: 15px;
    margin-bottom: 15px;
    background: var(--white);
}

    .article-card:hover, .issue-card:hover {
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        transform: translateY(-2px);
    }

    .issue-card.selected {
        border-color: var(--blue-500);
        background-color: var(--blue-50);
    }

/* Statistics cards */
.stats-card {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    padding: 20px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
}

    .stats-card:hover {
        transform: translateY(-5px);
    }

/* PDF Modal styling */
.pdf-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--overlay-dark);
    z-index: 9999;
    overflow: auto;
}

.pdf-modal-content {
    position: relative;
    background-color: var(--white);
    margin: 2% auto;
    width: 95%;
    max-width: 1200px;
    height: 90vh;
    border-radius: var(--border-radius-xl);
    overflow: hidden;
}

.pdf-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background-color: var(--gray-100);
    border-bottom: var(--border-width-1) solid var(--gray-200);
}

.pdf-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray-500);
    transition: color 0.3s ease;
}

    .pdf-modal-close:hover {
        color: var(--danger-500);
    }

.pdf-viewer-container {
    height: calc(90vh - 70px);
    position: relative;
}

.pdf-viewer {
    width: 100%;
    height: 100%;
    border: none;
}

/* Pagination styling */
.pagination-container {
    margin: 30px 0;
    text-align: center;
}

.pagination-info {
    margin-bottom: 15px;
    color: var(--gray-500);
    font-size: 14px;
}

/* New: unified pagination controls styling (matches AllDocuments look) */
.pagination-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.pagination-controls {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.pagination-btn {
    padding: 8px 12px;
    min-width: 38px;
    height: 38px;
    border-radius: 8px;
    border: 1px solid var(--border-color-light);
    background: var(--white);
    color: var(--gray-700);
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
}

.pagination-btn:hover:not([disabled]) {
    border-color: var(--primary-400);
    color: var(--primary-600);
}

.pagination-btn:active:not([disabled]) {
    transform: translateY(1px);
}

.pagination-btn.active {
    background: var(--primary-500);
    color: var(--white);
    border-color: var(--primary-500);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(236,180,58,0.18);
}

.pagination-btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-ellipsis {
    color: var(--gray-500);
    padding: 0 4px;
}

/* Responsive design */
@media (max-width: 768px) {
    .pdf-modal-content {
        width: 98%;
        height: 95vh;
        margin: 1% auto;
    }

    .stats-card {
        margin-bottom: 15px;
    }

    .article-card, .issue-card {
        padding: 10px;
    }

    .journal-cover {
        max-width: 150px;
        margin: 0 auto 20px;
        display: block;
    }
}

/* Custom scrollbar for modal */
.pdf-modal-content::-webkit-scrollbar {
    width: 8px;
}

.pdf-modal-content::-webkit-scrollbar-track {
    background: var(--gray-100);
}

.pdf-modal-content::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

    .pdf-modal-content::-webkit-scrollbar-thumb:hover {
        background: var(--gray-500);
    }

/* Badge styling */
.badge-access.open {
    background-color: var(--success-500);
}

.badge-access.subscription {
    background-color: var(--warning-500);
    color: var(--gray-900);
}

/* Enhanced button styling */
.view-pdf-btn {
    transition: all 0.3s ease;
}

    .view-pdf-btn:hover {
        transform: translateY(-1px);
        box-shadow: 0 2px 8px rgba(59,130,246,0.3);
    }

/* Tab styling */
.nav-tabs .nav-link {
    transition: all 0.3s ease;
}

    .nav-tabs .nav-link:hover {
        background-color: var(--gray-100);
    }

/* Issue grid layout */
.issue-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

@media (max-width: 576px) {
    .issue-grid {
        grid-template-columns: 1fr;
    }
}