/* ==========================================================================
   Issues Browser Styles
   ========================================================================== */

/* Navigation Bar */
.navbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: var(--space-md);
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: var(--transition);
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    background-color: var(--color-background);
    color: var(--color-primary);
}

/* Page Header */
.page-header {
    text-align: center;
    padding: 0.5rem 0 0;
    margin-bottom: 0.5rem;
}

.page-description {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin: 0;
}

/* Issues Grid */
.issues-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-sm);
    padding-bottom: var(--space-md);
}

.issue-card {
    background: var(--color-surface);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.issue-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.12);
}

.issue-cover {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    background: var(--color-background);
}

.issue-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.issue-card:hover .issue-cover img {
    transform: scale(1.05);
}

.issue-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: var(--space-sm);
    transform: translateY(100%);
    transition: var(--transition);
}

.issue-card:hover .issue-overlay {
    transform: translateY(0);
}

.ad-count {
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
}

.issue-info {
    padding: var(--space-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.issue-title {
    font-size: 1.1rem;
    margin-bottom: 0;
    color: var(--color-primary);
    flex: 1;
    min-width: 0;
}

.issue-date {
    flex-shrink: 0;
    text-align: right;
    margin-bottom: 0;
}

.issue-month,
.issue-year {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    font-style: normal;
    color: var(--color-primary);
    letter-spacing: 0.04em;
}

.issue-description {
    color: var(--color-text-light);
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 0;
}

.btn-small {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
    width: 100%;
    text-align: center;
}

/* Hamburger button */
.nav-hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-primary);
    padding: 0.25rem 0.5rem;
    line-height: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        position: sticky;
    }

    .navbar .container {
        flex-direction: row;
        position: relative;
    }

    .nav-hamburger {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: -1rem;
        right: -1rem;
        background: rgba(255, 255, 255, 0.98);
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        padding: 0.5rem 0;
        gap: 0;
        z-index: 99;
    }

    .nav-links.nav-open {
        display: flex;
    }

    .nav-links a {
        padding: 0.75rem 1.5rem;
        border-radius: 0;
    }

    .issues-grid {
        grid-template-columns: 1fr;
    }
}