/* ===== POST PAGE (extends styles.css; uses its :root variables) ===== */

.post,
.post-error {
    max-width: 680px;
    margin: 0 auto;
}

.post-back {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--text-faint);
    margin-bottom: 2.5rem;
}
.post-back:hover { color: var(--text); text-decoration: none; }

/* ----- header ----- */
.post-header {
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2.5rem;
}

.post-category {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 3px;
    padding: 2px 10px;
    margin-bottom: 1.1rem;
    letter-spacing: 0.02em;
}
.post-category:hover {
    background: var(--accent);
    color: #fff;
    text-decoration: none;
}

.post-title {
    font-family: var(--sans);
    font-size: 2.2rem;
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 0.9rem;
}

.post-meta {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-faint);
    margin-bottom: 1.1rem;
}
.post-meta .dot { margin: 0 0.4rem; }

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.post-tag {
    font-family: var(--mono);
    font-size: 0.72rem;
    padding: 3px 10px;
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text-muted);
    background: var(--surface);
}

/* ----- markdown body ----- */
.post-body {
    font-size: 1.02rem;
    line-height: 1.8;
    color: var(--text);
    overflow-wrap: break-word;
}
.post-body > * + * { margin-top: 1.25rem; }

.post-body h2,
.post-body h3,
.post-body h4 {
    font-weight: 500;
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin-top: 2.5rem;
}
.post-body h2 { font-size: 1.45rem; }
.post-body h3 { font-size: 1.15rem; }
.post-body h4 { font-size: 1rem; color: var(--text-muted); }

.post-body a { text-decoration: underline; text-underline-offset: 3px; }

.post-body ul,
.post-body ol { padding-left: 1.4rem; }
.post-body li + li { margin-top: 0.35rem; }

.post-body blockquote {
    border-left: 2px solid var(--accent);
    padding: 0.2rem 0 0.2rem 1.1rem;
    color: var(--text-muted);
    font-style: italic;
}

.post-body hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2.5rem 0;
}

.post-body img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.post-body code {
    font-family: var(--mono);
    font-size: 0.85em;
    background: #eef0f4;
    border-radius: 3px;
    padding: 0.1em 0.4em;
}
.post-body pre {
    font-family: var(--mono);
    font-size: 0.82rem;
    line-height: 1.65;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem 1.2rem;
    overflow-x: auto;
}
.post-body pre code {
    background: none;
    padding: 0;
    font-size: inherit;
}

.post-body table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    display: block;
    overflow-x: auto;
}
.post-body th,
.post-body td {
    text-align: left;
    padding: 0.55rem 0.8rem;
    border-bottom: 1px solid var(--border);
}
.post-body th {
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
}

/* ----- actions: love + share ----- */
.post-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    margin-top: 3.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.love-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.love-btn:hover { border-color: #e0526a; color: #e0526a; }

.love-icon {
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linejoin: round;
    transition: fill 0.2s;
}

.love-btn[aria-pressed="true"] {
    color: #e0526a;
    border-color: #e0526a;
    background: #fdf1f3;
}
.love-btn[aria-pressed="true"] .love-icon { fill: #e0526a; }
.love-btn.pop .love-icon { animation: love-pop 0.35s ease; }

@keyframes love-pop {
    0%   { transform: scale(1); }
    40%  { transform: scale(1.35); }
    100% { transform: scale(1); }
}

.share {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}
.share-label {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-faint);
    margin-right: 0.25rem;
}
.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    color: var(--text-muted);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50%;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
}
.share-btn svg { fill: currentColor; }
#shareCopy svg { fill: none; }
.share-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    text-decoration: none;
}
.copy-toast {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}
.copy-toast.show { opacity: 1; }

/* ----- focus + motion ----- */
.love-btn:focus-visible,
.share-btn:focus-visible,
.post-category:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
    .love-btn.pop .love-icon { animation: none; }
}

/* ----- footer additions ----- */
.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1rem;
}
.footer-links a {
    color: var(--text-muted);
    font-size: 0.78rem;
}
.footer-links a:hover { color: var(--text); text-decoration: none; }

/* ----- error ----- */
.post-error p { color: var(--text-muted); }

/* ----- mobile ----- */
@media (max-width: 720px) {
    .post-title { font-size: 1.7rem; }
    .post-body { font-size: 0.98rem; }
    .post-actions { flex-direction: column; align-items: flex-start; }
}