/* ----------------------------------------------------
   NUNC - MODERN EDITORIAL NEWS AGGREGATOR
   ---------------------------------------------------- */

:root {
    --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --font-sans: 'Inter', 'Plus Jakarta Sans', -apple-system, sans-serif;
    --font-serif: 'Lora', Georgia, serif;
}

/* ----------------------------------------------------
   THEMES DEFINITIONS
   ---------------------------------------------------- */
body.theme-light {
    --bg-app: #f8f9fa;             /* Crisp clean light grey */
    --bg-card: #ffffff;            /* Pure white panels */
    --text-main: #1e293b;          /* Dark slate */
    --text-muted: #64748b;         /* Cool grey */
    --border-color: #e2e8f0;       /* Light border */
    --accent-color: #1e40af;       /* Deep sapphire blue */
    --accent-hover: #1d4ed8;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.05);
    --tag-bg: #f1f5f9;
}

body.theme-dark {
    --bg-app: #0b0f19;             /* Deep slate space */
    --bg-card: #151c2c;            /* Midnight navy panels */
    --text-main: #f1f5f9;          /* Light grey */
    --text-muted: #94a3b8;         /* Faded grey */
    --border-color: #242f47;       /* Dark border */
    --accent-color: #3b82f6;       /* Radiant blue */
    --accent-hover: #60a5fa;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 25px rgba(0, 0, 0, 0.3);
    --tag-bg: #1e293b;
}

/* ----------------------------------------------------
   BASE STYLES & RESET
   ---------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-app);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.5;
    min-height: 100vh;
    padding: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Outer layout wrapper to maintain centering and prevent overflow */
.app-wrapper {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* ----------------------------------------------------
   HEADER (Masthead)
   ---------------------------------------------------- */
.app-header {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 2rem;
    margin-bottom: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.header-meta-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.8rem;
}

.theme-toggle-btn {
    background: var(--tag-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: var(--transition-smooth);
}

.theme-toggle-btn:hover {
    background: var(--border-color);
}

.header-main {
    text-align: center;
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
}

.logo-link {
    font-family: 'Cinzel', Georgia, serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: var(--transition-smooth);
    line-height: 1;
}

.logo-link:hover {
    color: var(--accent-color);
}

.header-tagline {
    font-size: 1.15rem;
    font-style: italic;
    color: var(--text-muted);
    line-height: 1.4;
    max-width: 600px;
    text-align: center;
}

/* ----------------------------------------------------
   VIEW ARCHITECTURE
   ---------------------------------------------------- */
.view {
    display: none;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.view.active {
    display: block;
    opacity: 1;
}

/* ----------------------------------------------------
   LIST VIEW COMPONENTS
   ---------------------------------------------------- */
.list-bar {
    margin-bottom: 2.5rem;
}

.list-summary-text {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 800px;
    line-height: 1.6;
    text-align: center;
    margin: 0 auto;
}

/* ----------------------------------------------------
   EVENTS GRID & CARDS
   ---------------------------------------------------- */
.events-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    grid-auto-flow: dense;
}

.event-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.8rem;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.event-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}

/* Staggered dynamic cards */
.event-card.card-hero {
    grid-column: span 2;
    grid-row: span 2;
    border-left: 5px solid var(--accent-color);
    background: linear-gradient(135deg, var(--bg-card) 70%, rgba(30, 64, 175, 0.03) 100%);
    padding: 2.2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

body.theme-dark .event-card.card-hero {
    background: linear-gradient(135deg, var(--bg-card) 70%, rgba(59, 130, 246, 0.04) 100%);
}

.event-card.card-hero .card-title {
    font-size: 1.85rem;
    line-height: 1.35;
    margin-top: 1rem;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.event-card.card-hero .card-media-list {
    border-top: 1px solid var(--border-color);
    padding-top: 1.2rem;
    margin-bottom: 1.5rem;
    -webkit-line-clamp: 3;
}

.event-card.card-wide {
    grid-column: span 2;
    border-left: 4px solid var(--accent-color);
    background: linear-gradient(135deg, var(--bg-card) 70%, rgba(59, 130, 246, 0.03) 100%);
}

body.theme-dark .event-card.card-wide {
    background: linear-gradient(135deg, var(--bg-card) 70%, rgba(96, 165, 250, 0.04) 100%);
}

.card-badge {
    font-size: 0.65rem;
    background-color: var(--accent-color);
    color: #ffffff;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-weight: 700;
    margin-left: auto;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-badge.alt {
    background-color: var(--tag-bg);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.card-action-link {
    font-size: 0.85rem;
    color: var(--accent-color);
    font-weight: 600;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
}

.event-card:hover .card-action-link {
    color: var(--accent-hover);
    transform: translateX(3px);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.card-meta .card-count.highlighted {
    color: var(--accent-color);
}

.card-separator {
    color: var(--border-color);
}

.card-title {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--text-main);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.card-media-list {
    font-size: 0.85rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-media-list strong,
.card-media-list .media-list-label {
    color: var(--text-main);
    font-weight: 600;
    margin-right: 0.2rem;
}

/* Horizontal split for wide cards on wider viewports */
@media (min-width: 769px) {
    .event-card.card-wide {
        display: grid;
        grid-template-columns: 1.3fr 1fr;
        gap: 2rem;
    }
    
    .event-card.card-wide .card-content-main {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
    
    .event-card.card-wide .card-title {
        font-size: 1.55rem;
        margin-bottom: 0;
    }
    
    .event-card.card-wide .card-info-side {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        border-left: 1px solid var(--border-color);
        padding-left: 2rem;
        height: 100%;
    }
    
    .event-card.card-wide .card-media-list {
        border-top: none;
        padding-top: 0;
        margin-bottom: 1rem;
        -webkit-line-clamp: 4;
    }
}

.no-results-state {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    padding: 6rem 0;
    font-size: 1.1rem;
}

/* ----------------------------------------------------
   DETAIL VIEW (DIGITAL HEMEROTECA SPREAD)
   ---------------------------------------------------- */
.detail-navigation {
    margin-bottom: 2rem;
}

.back-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.back-btn:hover {
    background-color: var(--tag-bg);
    border-color: var(--text-muted);
}

.detail-layout {
    width: 100%;
}

.detail-header {
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
}

.event-headline {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-main);
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.detail-stats {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Split Layout Grid */
.detail-split-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 3.5rem;
    align-items: start;
}

.detail-sidebar {
    width: 100%;
}

.sidebar-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.8rem;
    box-shadow: var(--shadow-sm);
}

.sidebar-title {
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-main);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.6rem;
    margin-bottom: 1.5rem;
}

.stats-list {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    line-height: 1;
}

.stat-date-range {
    font-size: 0.9rem;
    color: var(--text-main);
    font-weight: 500;
}

/* News Outlets Grid */
.news-outlets-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.outlet-block {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.8rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.outlet-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1.5px solid var(--border-color);
    padding-bottom: 0.6rem;
    margin-bottom: 1.2rem;
}

.outlet-name {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
}

.outlet-badge {
    font-size: 0.72rem;
    background-color: var(--tag-bg);
    color: var(--text-muted);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-weight: 600;
}

.outlet-articles {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

/* News Link Element */
.news-item {
    text-decoration: none;
    color: inherit;
    display: block;
    padding-bottom: 0.8rem;
    border-bottom: 1px dashed var(--border-color);
    transition: var(--transition-smooth);
}

.news-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.news-item-title {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.45;
    color: var(--text-main);
    margin-bottom: 0.5rem;
    transition: var(--transition-smooth);
}

.news-item-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.news-external-link {
    color: var(--accent-color);
    font-weight: 500;
    opacity: 0.8;
    transition: var(--transition-smooth);
}

/* Hover effects */
.news-item:hover .news-item-title {
    color: var(--accent-color);
}

.news-item:hover .news-external-link {
    opacity: 1;
    transform: translateX(2px);
}

/* ----------------------------------------------------
   UI STATES
   ---------------------------------------------------- */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 6rem 0;
}

.minimal-spinner {
    width: 28px;
    height: 28px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.85s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error-state {
    display: none;
    flex-direction: column;
    align-items: center;
    padding: 3rem 2rem;
    text-align: center;
    border: 1px solid #fca5a5;
    border-radius: 6px;
    margin: 2rem 0;
    background: rgba(239, 68, 68, 0.03);
}

.error-state.active {
    display: flex;
}

.error-state h3 {
    font-size: 1.1rem;
    color: #b91c1c;
    margin-bottom: 0.5rem;
}

.error-state p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.2rem;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #ffffff;
    border: none;
    padding: 0.6rem 1.4rem;
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

/* ----------------------------------------------------
   FOOTER
   ---------------------------------------------------- */
.app-footer {
    margin-top: 6rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ----------------------------------------------------
   RESPONSIVE STYLING (Breakpoints)
   ---------------------------------------------------- */
@media (max-width: 1024px) {
    .events-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .event-card.card-hero {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .event-card.card-wide {
        grid-column: span 2;
    }
    
    .detail-split-layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .stats-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1.5rem 3rem;
    }
    
    .stat-item {
        flex: 1 1 180px;
    }
}

@media (max-width: 768px) {
    .app-wrapper {
        padding: 2rem 1.2rem;
    }
    
    .logo-link {
        font-size: 3rem;
    }
    
    .list-bar {
        text-align: center;
    }
    
    .events-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .event-card.card-hero,
    .event-card.card-wide {
        grid-column: span 1;
        grid-row: span 1;
    }
    
    .news-outlets-grid {
        grid-template-columns: 1fr;
        gap: 1.8rem;
    }
    
    .event-headline {
        font-size: 1.85rem;
    }
}