/* ═══════════════════════════════════════
   BLOG — Listing page
   Loaded by: blog.html
   ═══════════════════════════════════════ */

/* ── HEADER ── */
.blog-header {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 20px;
}

.blog-title {
    font-size: clamp(28px, 3.5vw, 48px);
    font-weight: 700;
    color: var(--text);
    line-height: 1.1;
}

.blog-subtitle {
    font-size: clamp(13px, 1.1vw, 15px);
    color: var(--text2);
    font-weight: 400;
}

/* ── CARD GRID ── */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

/* ── BLOG CARD ── */
.blog-card {
    background: var(--card);
    border: 1px solid var(--bg-border);
    border-radius: var(--r);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    transition: background .2s, border-color .2s, transform .25s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow .25s;
    position: relative;
}

.blog-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--r);
    background: linear-gradient(140deg, rgba(255, 255, 255, .055) 0%, transparent 50%);
    pointer-events: none;
    opacity: 0;
    transition: opacity .3s;
}

.blog-card:hover {
    background: var(--card2);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, .35);
    border-color: var(--border2);
}

.blog-card:hover::after {
    opacity: 1;
}

/* ── CARD COVER IMAGE ── */
.blog-card-cover {
    width: 100%;
    aspect-ratio: 16 / 8;
    object-fit: cover;
    display: block;
    background: var(--chip);
    flex-shrink: 0;
}

.blog-card-cover-placeholder {
    width: 100%;
    aspect-ratio: 16 / 8;
    background: linear-gradient(135deg, var(--chip) 0%, var(--card2) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.blog-card-cover-placeholder svg {
    opacity: .2;
}

/* ── CARD BODY ── */
.blog-card-body {
    padding: 20px 22px 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
}

.blog-card-date {
    font-size: 11px;
    font-weight: 500;
    color: var(--text3);
    letter-spacing: .05em;
}

.blog-card-dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--text3);
    flex-shrink: 0;
}

.blog-card-readtime {
    font-size: 11px;
    font-weight: 500;
    color: var(--text3);
}

.blog-card-title {
    font-size: clamp(15px, 1.3vw, 18px);
    font-weight: 600;
    color: var(--text);
    line-height: 1.35;
    margin: 0;
}

.blog-card-desc {
    font-size: clamp(12px, 1vw, 13px);
    color: var(--text2);
    line-height: 1.6;
    font-weight: 400;
}

.blog-card-arrow {
    margin-top: auto;
    padding-top: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text3);
    transition: color .2s, gap .2s;
}

.blog-card:hover .blog-card-arrow {
    color: var(--text2);
    gap: 10px;
}

/* ── EMPTY STATE ── */
.blog-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text3);
    font-size: 14px;
    padding: 60px 0;
}

/* ── SEARCH BAR ── */
.blog-search-wrap {
    margin-bottom: 20px;
}

.blog-search {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--card);
    border: 1px solid var(--bg-border);
    border-radius: 100px;
    padding: 10px 18px;
    transition: border-color .2s, background .2s;
}

.blog-search-icon {
    color: var(--text3);
    flex-shrink: 0;
}

.blog-search-input {
    background: none;
    border: none;
    outline: none;
    font-family: var(--font);
    font-size: 14px;
    color: var(--text);
    width: 100%;
}

.blog-search-input::placeholder {
    color: var(--text3);
}

.blog-search-clear {
    background: none;
    border: none;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text3);
    cursor: pointer;
    flex-shrink: 0;
    border-radius: 50%;
    transition: color .15s;
}

.blog-search-clear:hover {
    color: var(--text);
}

.blog-search:focus-within {
    border-color: var(--border2);
    background: var(--card2);
}

/* ── LIGHT THEME ── */
[data-theme="light"] .blog-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, .10);
}
/* ── LIGHT THEME extra overrides ── */
[data-theme="light"] .blog-card:hover {
    border-color: var(--border2);
}
[data-theme="light"] .blog-card::after {
    background: linear-gradient(140deg, rgba(0,0,0,.03) 0%, transparent 50%);
}

/* ── THEME TOGGLE BUTTON ── */
.blog-theme-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--card);
    border: 1px solid var(--bg-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    z-index: 1000;
    transition: background .2s, border-color .2s, transform .2s;
    box-shadow: 0 4px 16px rgba(0,0,0,.25);
}
.blog-theme-btn:hover {
    background: var(--card2);
    border-color: var(--border2);
    transform: scale(1.08);
}
[data-theme="light"] .blog-theme-btn {
    box-shadow: 0 4px 16px rgba(0,0,0,.12);
}