/* ============================================================
   BANGLA BAZAR — Editorial Brutalist Design System
   ============================================================ */

/* --- CSS Variables (Dark Theme Default) --- */
:root {
    --bg:          #0a0a0a;
    --bg2:         #111111;
    --bg3:         #1a1a1a;
    --border:      #2a2a2a;
    --border-hover:#555;
    --text:        #f0f0f0;
    --text-muted:  #888;
    --text-faint:  #444;
    --accent:      #e63946;
    --accent-dim:  rgba(230,57,70,0.12);
    --accent2:     #ffd60a;
    --white:       #ffffff;
    --card-shadow: 0 4px 24px rgba(0,0,0,0.6);
    --header-h:    120px;
    --ticker-h:    36px;
    --radius:      0px; /* Brutalist: no radius */
    --font-display: 'Bebas Neue', 'Space Mono', monospace;
    --font-mono:    'Space Mono', monospace;
    --font-body:    'Hind Siliguri', sans-serif;
    --transition:   0.2s ease;
}

[data-theme="light"] {
    --bg:          #f5f5f0;
    --bg2:         #ebebeb;
    --bg3:         #e0e0da;
    --border:      #cccccc;
    --border-hover:#555;
    --text:        #111111;
    --text-muted:  #555;
    --text-faint:  #bbb;
    --card-shadow: 0 2px 12px rgba(0,0,0,0.1);
}

/* --- Reset --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background var(--transition), color var(--transition);
    padding-bottom: 80px; /* space for mobile nav */
}

/* ============================================================
   PROGRESS BAR
   ============================================================ */
#progress-bar {
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    width: 0%;
    background: var(--accent);
    z-index: 9999;
    transition: width 0.1s linear;
}

/* ============================================================
   TICKER
   ============================================================ */
.ticker-wrap {
    position: sticky;
    top: 0;
    z-index: 200;
    background: var(--accent);
    height: var(--ticker-h);
    display: flex;
    align-items: center;
    overflow: hidden;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.ticker-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: #fff;
    background: rgba(0,0,0,0.35);
    padding: 0 14px;
    height: 100%;
    display: flex;
    align-items: center;
    white-space: nowrap;
    flex-shrink: 0;
    border-right: 1px solid rgba(255,255,255,0.2);
}

.ticker-track {
    flex: 1;
    overflow: hidden;
    height: 100%;
    display: flex;
    align-items: center;
}

.ticker-inner {
    display: inline-block;
    white-space: nowrap;
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: #fff;
    font-weight: 600;
    animation: ticker-scroll 60s linear infinite;
    padding-left: 100%;
}

@keyframes ticker-scroll {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}

/* ============================================================
   HEADER
   ============================================================ */
#main-header {
    position: sticky;
    top: var(--ticker-h);
    z-index: 150;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

#main-header.scrolled {
    border-bottom-color: var(--border-hover);
    box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* Logo */
.logo {
    display: flex;
    align-items: baseline;
    gap: 0;
    flex-wrap: wrap;
}

.logo-main {
    font-family: var(--font-display);
    font-size: 2.4rem;
    letter-spacing: 4px;
    color: var(--text);
    line-height: 1;
}

.logo-accent {
    font-family: var(--font-display);
    font-size: 2.4rem;
    letter-spacing: 4px;
    color: var(--accent);
    line-height: 1;
}

.logo-sub {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin-left: 8px;
    align-self: center;
}

/* Header Controls */
.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.search-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 10px;
    color: var(--text-muted);
    font-size: 1.2rem;
    pointer-events: none;
}

#search-input {
    background: var(--bg2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.5rem 2.4rem 0.5rem 2.2rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    width: 280px;
    max-width: 100%;
    outline: none;
    transition: border-color var(--transition), background var(--transition);
}

#search-input::placeholder { color: var(--text-muted); }

#search-input:focus {
    border-color: var(--accent);
    background: var(--bg3);
}

.search-clear {
    position: absolute;
    right: 8px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.75rem;
    padding: 2px 4px;
    display: none;
}

.search-clear.visible { display: block; }

.theme-toggle {
    background: var(--bg2);
    border: 1px solid var(--border);
    color: var(--text);
    width: 36px;
    height: 36px;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    flex-shrink: 0;
}

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

.article-count {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    white-space: nowrap;
}

/* Tag Menu */
.tag-menu {
    display: flex;
    gap: 0;
    overflow-x: auto;
    border-top: 1px solid var(--border);
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.tag-menu::-webkit-scrollbar { display: none; }

.tag-btn {
    background: transparent;
    color: var(--text-muted);
    border: none;
    border-right: 1px solid var(--border);
    padding: 0.6rem 1.2rem;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.82rem;
    white-space: nowrap;
    letter-spacing: 0.5px;
    transition: all var(--transition);
    position: relative;
}

.tag-btn::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background: var(--accent);
    transition: width var(--transition);
}

.tag-btn:hover { color: var(--text); background: var(--bg2); }
.tag-btn:hover::after { width: 100%; }

.tag-btn.active {
    color: var(--accent);
    background: var(--accent-dim);
    font-weight: 600;
}
.tag-btn.active::after { width: 100%; }

/* ============================================================
   MAIN LAYOUT
   ============================================================ */
#main {
    max-width: 1440px;
    margin: 0 auto;
    padding: 2rem 2rem 3rem;
}

/* ============================================================
   HERO SECTION (Top 2 articles, large format)
   ============================================================ */
.hero-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5px;
    background: var(--border);
    margin-bottom: 1.5px;
    min-height: 420px;
}

.hero-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: var(--bg2);
}

.hero-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
    filter: grayscale(15%) brightness(0.8);
    min-height: 300px;
}

.hero-card:hover img {
    transform: scale(1.03);
    filter: grayscale(0%) brightness(0.85);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.92) 40%, transparent 100%);
    pointer-events: none;
}

.hero-body {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 2rem;
}

.hero-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 0.75rem;
}

.hero-tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 2px;
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 2px 8px;
    text-transform: uppercase;
}

.hero-date {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: rgba(255,255,255,0.5);
    letter-spacing: 1px;
}

.hero-source {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: rgba(255,255,255,0.4);
    letter-spacing: 1px;
    margin-left: auto;
}

.hero-title {
    font-family: var(--font-body);
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 0.5rem;
}

.hero-card:nth-child(2) .hero-title {
    font-size: 1.2rem;
}

.hero-desc {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 1rem;
}

.hero-read {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent);
    letter-spacing: 1px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap var(--transition);
}

.hero-read:hover { gap: 12px; }

/* ============================================================
   SECTION DIVIDER
   ============================================================ */
.section-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 0 1rem;
}

.divider-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 3px;
    color: var(--text-muted);
    text-transform: uppercase;
    white-space: nowrap;
}

.divider-line {
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ============================================================
   NEWS GRID
   ============================================================ */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5px;
    background: var(--border);
}

/* Card */
.news-card {
    background: var(--bg);
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(16px);
    animation: card-in 0.4s ease forwards;
    transition: background var(--transition);
}

.news-card:hover { background: var(--bg2); }

@keyframes card-in {
    to { opacity: 1; transform: translateY(0); }
}

.news-card-header {
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.card-date {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-faint);
    letter-spacing: 0.5px;
}

.card-tag {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--accent);
    letter-spacing: 1px;
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 130px;
}

.card-source {
    font-family: var(--font-mono);
    font-size: 0.58rem;
    color: var(--text-faint);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.card-img-wrap {
    position: relative;
    overflow: hidden;
}

.news-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid var(--border);
    filter: grayscale(10%);
    transition: transform 0.4s ease, filter 0.3s ease;
}

.news-card:hover img {
    transform: scale(1.04);
    filter: grayscale(0%);
}

.card-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(0,0,0,0.3));
    pointer-events: none;
    border-bottom: 1px solid var(--border);
}

.news-content {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    gap: 0.75rem;
}

.news-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.4;
}

.news-content p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Search highlight */
.highlight {
    background: var(--accent2);
    color: #000;
    padding: 0 2px;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.25rem 1.25rem;
    margin-top: auto;
}

.read-more {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 1px;
    color: var(--accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid transparent;
    padding: 6px 12px;
    transition: all var(--transition);
}

.read-more:hover {
    border-color: var(--accent);
    background: var(--accent-dim);
    gap: 10px;
}

.read-est {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-faint);
}

/* ============================================================
   LOAD MORE
   ============================================================ */
.load-more-wrap {
    display: flex;
    justify-content: center;
    padding: 2.5rem 0;
}

.load-more-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 0.75rem 3rem;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 2px;
    transition: all var(--transition);
}

.load-more-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
}

.load-more-btn:disabled {
    opacity: 0.3;
    cursor: default;
}

/* ============================================================
   NO RESULTS
   ============================================================ */
.no-results {
    text-align: center;
    padding: 5rem 2rem;
    border: 1px dashed var(--border);
    margin-top: 2rem;
}

.no-results-inner span {
    font-size: 3rem;
    color: var(--text-faint);
    display: block;
    margin-bottom: 1rem;
}

.no-results-inner p {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
}

.no-results-inner small {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-faint);
    letter-spacing: 1px;
}

/* ============================================================
   MOBILE BOTTOM NAV
   ============================================================ */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
    z-index: 200;
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
    padding: 8px 0;
    gap: 0;
}

.mobile-bottom-nav::-webkit-scrollbar { display: none; }

.mob-tag {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.75rem;
    padding: 8px 14px;
    cursor: pointer;
    transition: color var(--transition);
    white-space: nowrap;
}

.mob-tag.active { color: var(--accent); font-weight: 700; }

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-top {
    position: fixed;
    bottom: 5rem;
    right: 1.5rem;
    background: var(--bg2);
    border: 1px solid var(--border);
    color: var(--text-muted);
    width: 40px;
    height: 40px;
    font-size: 1rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 190;
    transition: all var(--transition);
}

.back-top.visible { display: flex; }
.back-top:hover { border-color: var(--accent); color: var(--accent); }

/* ============================================================
   SKELETON LOADER
   ============================================================ */
.skeleton {
    background: var(--bg2);
    display: flex;
    flex-direction: column;
    animation: none;
    opacity: 1;
    transform: none;
}

.skel-img {
    height: 200px;
    background: linear-gradient(90deg, var(--bg2) 0%, var(--bg3) 50%, var(--bg2) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.4s infinite;
}

.skel-line {
    height: 12px;
    margin: 1.25rem 1.25rem 0.5rem;
    background: linear-gradient(90deg, var(--bg2) 0%, var(--bg3) 50%, var(--bg2) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.4s infinite;
}

.skel-line.short { width: 60%; }
.skel-line.shorter { width: 40%; height: 8px; }

@keyframes shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================================
   UTILITY
   ============================================================ */
.hidden { display: none !important; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
    .hero-section {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    .hero-card:nth-child(2) { display: none; }
    .hero-title { font-size: 1.3rem; }
}

@media (max-width: 768px) {
    .header-inner { padding: 0.75rem 1rem; }
    #main { padding: 1rem 0 3rem; }
    .hero-section { margin-bottom: 1px; }
    .section-divider { padding: 1rem 1rem 0.75rem; }
    .news-grid { gap: 1px; }
    #search-input { width: 200px; }
    .logo-main, .logo-accent { font-size: 1.8rem; }
    .logo-sub { display: none; }
    .mobile-bottom-nav { display: flex; }
    .tag-menu { display: none; }
    .back-top { bottom: 4.5rem; }
    .load-more-wrap { padding: 2rem 1rem; }
}

@media (max-width: 480px) {
    .header-inner { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
    #search-input { width: 100%; }
    .search-wrap { width: 100%; }
    .header-controls { width: 100%; }
    .article-count { margin-left: auto; }
    .hero-title { font-size: 1.1rem; }
    .hero-body { padding: 1.25rem; }
}