/* ==========================================================
   Gemini AI Photo Prompt — style.css
   Mobile-first, then scaled up via min-width media queries.
   ========================================================== */

:root {
    --color-bg: #ffffff;
    --color-surface: #f7f7f9;
    --color-border: #e5e5ea;
    --color-text: #1a1a1a;
    --color-text-muted: #6b6b76;
    --color-primary: #ff6a1a;      /* accent — adjust once you share brand colors */
    --color-primary-dark: #e0570f;
    --color-link: #1a1a1a;
    --radius: 10px;
    --max-width: 1280px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.55;
}

a { color: var(--color-link); text-decoration: none; }
a:hover { color: var(--color-primary); }

img { max-width: 100%; height: auto; display: block; }

.visually-hidden {
    position: absolute;
    width: 1px; height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* ---------------- Top bar ---------------- */
.top-bar {
    background: var(--color-primary);
    color: #fff;
    text-align: center;
    padding: 8px 12px;
    font-size: 14px;
}
.top-bar a { color: #fff; font-weight: 600; }
.top-bar a:hover { text-decoration: underline; }

/* ---------------- Header ---------------- */
.site-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 16px 20px;
}
.site-logo img { height: 40px; width: auto; }

.site-search {
    display: flex;
    flex: 1 1 260px;
    max-width: 420px;
}
.site-search input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius) 0 0 var(--radius);
    font-size: 15px;
}
.site-search button {
    padding: 10px 18px;
    border: none;
    background: var(--color-primary);
    color: #fff;
    border-radius: 0 var(--radius) var(--radius) 0;
    cursor: pointer;
    font-weight: 600;
}
.site-search button:hover { background: var(--color-primary-dark); }

/* ---------------- Layout ---------------- */
.site-main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px 40px;
}

.homepage-layout {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* ---------------- Categories panel ---------------- */
.categories-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
}
.categories-toggle {
    display: block;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    font-size: 18px;
    font-weight: 700;
    padding: 4px 0;
    cursor: pointer;
}
.categories-toggle::after {
    content: '▾';
    float: right;
}
.categories-list {
    list-style: none;
    margin: 12px 0 0;
    padding: 0;
    display: none;
    flex-direction: column;
    gap: 6px;
}
.categories-list.is-open { display: flex; }
.categories-list li a {
    display: block;
    padding: 8px 10px;
    border-radius: 6px;
    color: var(--color-text);
    font-size: 15px;
}
.categories-list li a:hover { background: #fff; color: var(--color-primary); }

/* ---------------- Homepage content ---------------- */
.homepage-content { min-width: 0; }
.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 13px;
    font-weight: 700;
    color: var(--color-primary);
    margin: 20px 0 8px;
}
h1 { font-size: 28px; line-height: 1.25; margin: 0 0 14px; }
.homepage-intro { color: var(--color-text-muted); font-size: 16px; margin-bottom: 24px; }

/* ---------------- Premium banner ---------------- */
.premium-banner {
    background: linear-gradient(135deg, #1a1a1a, #333);
    color: #fff;
    border-radius: var(--radius);
    padding: 20px;
    margin: 24px 0;
    text-align: center;
}
.premium-banner-title { font-size: 20px; font-weight: 800; margin: 0 0 6px; }
.premium-banner-text { color: #cfcfcf; margin: 0 0 14px; }
.premium-banner-cta {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    padding: 10px 22px;
    border-radius: 999px;
    font-weight: 700;
}
.premium-banner-cta:hover { background: var(--color-primary-dark); color: #fff; }

/* ---------------- Post grid / cards ---------------- */
.post-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
.post-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
    transition: box-shadow .15s ease, transform .15s ease;
}
.post-card:hover { box-shadow: 0 6px 20px rgba(0,0,0,.08); transform: translateY(-2px); }
.post-card-image img { aspect-ratio: 1 / 1; object-fit: cover; width: 100%; }
.post-card-body { padding: 14px 16px 18px; }
.post-card-body time { font-size: 13px; color: var(--color-text-muted); }
.post-card-title { font-size: 18px; margin: 6px 0 8px; line-height: 1.35; }
.post-card-title a { color: var(--color-text); }
.post-card-excerpt { font-size: 14px; color: var(--color-text-muted); margin: 0; }

/* ---------------- Pagination ---------------- */
.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 32px 0;
    justify-content: center;
}
.pagination a, .pagination span {
    padding: 8px 14px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 14px;
}
.pagination-current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ---------------- FAQ ---------------- */
.faq-block { margin: 40px 0; }
.faq-block h2 { font-size: 22px; margin-bottom: 16px; }
.faq-item { margin-bottom: 20px; }
.faq-question { font-size: 17px; margin: 0 0 6px; }
.faq-answer { color: var(--color-text-muted); margin: 0; font-size: 15px; }

/* ---------------- Popular tags ---------------- */
.popular-tags { margin: 32px 0; }
.popular-tags h2 { font-size: 20px; margin-bottom: 12px; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 13px;
}
.tag-cloud a:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ---------------- Post page: prompt blocks ---------------- */
.breadcrumb { font-size: 13px; color: var(--color-text-muted); margin: 16px 0; }
.breadcrumb a { color: var(--color-text-muted); }
.post-featured-image img { border-radius: var(--radius); width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.quick-answer {
    background: var(--color-surface);
    border-left: 4px solid var(--color-primary);
    padding: 14px 18px;
    border-radius: 6px;
    margin: 20px 0;
}
.prompt-block {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 18px;
    margin: 24px 0;
}
.prompt-block img { border-radius: 8px; margin-bottom: 12px; aspect-ratio: 1/1; object-fit: cover; }
.prompt-text {
    background: var(--color-surface);
    padding: 14px;
    border-radius: 8px;
    white-space: pre-wrap;
    font-size: 14.5px;
}
.copy-prompt-btn {
    margin-top: 10px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 700;
    cursor: pointer;
}
.copy-prompt-btn:hover { background: var(--color-primary-dark); }
.copy-prompt-btn.copied { background: #17a34a; }
.prompt-share { margin-top: 12px; display: flex; gap: 12px; }
.prompt-share a { font-size: 13px; font-weight: 600; }

.author-box {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 16px;
    margin: 32px 0;
}
.author-box img { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; }
.author-name { font-weight: 700; margin: 0 0 6px; }
.author-bio { color: var(--color-text-muted); font-size: 14px; margin: 0; }

.similar-posts { margin: 40px 0; }
.similar-posts h2 { font-size: 22px; margin-bottom: 16px; }
.similar-posts .post-grid { grid-template-columns: 1fr; }

/* ---------------- Footer ---------------- */
.site-footer {
    border-top: 1px solid var(--color-border);
    margin-top: 40px;
    padding: 32px 20px;
    text-align: center;
}
.footer-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-bottom: 16px; }
.footer-nav a { font-size: 14px; color: var(--color-text-muted); }
.footer-nav a:hover { color: var(--color-primary); }
.footer-socials { display: flex; justify-content: center; gap: 16px; margin-bottom: 16px; }
.footer-socials a { font-size: 14px; font-weight: 600; }
.footer-copyright { font-size: 13px; color: var(--color-text-muted); margin: 0; }

/* ==========================================================
   Responsive breakpoints
   ========================================================== */

/* Small phones stay single column (defaults above). */

/* Tablet and up: 2-column post grid, categories still stacked/toggle */
@media (min-width: 640px) {
    .post-grid { grid-template-columns: repeat(2, 1fr); }
    .similar-posts .post-grid { grid-template-columns: repeat(2, 1fr); }
    h1 { font-size: 32px; }
}

/* Desktop: sidebar becomes a fixed left column, categories always open */
@media (min-width: 1024px) {
    .homepage-layout {
        flex-direction: row;
        align-items: flex-start;
    }
    .categories-panel {
        flex: 0 0 260px;
        position: sticky;
        top: 20px;
    }
    .categories-toggle { display: none; }
    .categories-list { display: flex !important; }
    .homepage-content { flex: 1; min-width: 0; }
    .post-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Large desktop: allow 3-column grid if you prefer denser cards.
   Comment this block out to keep 2 columns at all sizes. */
@media (min-width: 1280px) {
    .post-grid { grid-template-columns: repeat(2, 1fr); }
}