/* =====================================================================
   Pixprom — Premium UI System
   Built on Bootstrap 5.3 (CDN). Light + dark themes via data-bs-theme.
   ===================================================================== */

:root {
    --pf-primary: #6366f1;
    --pf-primary-rgb: 99, 102, 241;
    --pf-primary-hover: #4f46e5;
    --pf-accent: #a855f7;
    --pf-accent-rgb: 168, 85, 247;
    --pf-pink: #ec4899;
    --pf-amber: #f59e0b;
    --pf-cyan: #06b6d4;
    --pf-radius: 18px;
    --pf-radius-sm: 11px;
    --pf-radius-lg: 26px;
    --pf-sidebar-w: 264px;
    --pf-font: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --pf-ring: 0 0 0 4px rgba(var(--pf-primary-rgb), .35);
    --pf-grad: linear-gradient(135deg, var(--pf-primary), var(--pf-accent) 55%, var(--pf-pink));

    /* Bootstrap overrides */
    --bs-primary: var(--pf-primary);
    --bs-primary-rgb: var(--pf-primary-rgb);
    --bs-body-font-family: var(--pf-font);
    --bs-border-radius: var(--pf-radius-sm);
    --bs-link-color: var(--pf-primary);
    --bs-link-hover-color: var(--pf-primary-hover);
}

/* ---- Theme surfaces ---- */
[data-bs-theme="light"] {
    --pf-bg: #f4f5fb;
    --pf-surface: #ffffff;
    --pf-surface-2: #f5f7fc;
    --pf-border: #e8eaf3;
    --pf-muted: #64748b;
    --pf-shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px rgba(16, 24, 40, .06);
    --pf-shadow-lg: 0 18px 40px rgba(79, 70, 229, .14), 0 4px 12px rgba(16, 24, 40, .06);
    --pf-glass: rgba(255, 255, 255, .72);
    --bs-body-bg: var(--pf-bg);
    --bs-body-color: #0f172a;
}

[data-bs-theme="dark"] {
    --pf-bg: #080b16;
    --pf-surface: #111a2e;
    --pf-surface-2: #0d1424;
    --pf-border: #243049;
    --pf-muted: #94a3b8;
    --pf-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 28px rgba(0, 0, 0, .35);
    --pf-shadow-lg: 0 20px 48px rgba(0, 0, 0, .5), 0 4px 14px rgba(0, 0, 0, .4);
    --pf-glass: rgba(17, 26, 46, .66);
    --bs-body-bg: var(--pf-bg);
    --bs-body-color: #e5e9f2;
    --bs-border-color: var(--pf-border);
}

* { scrollbar-width: thin; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--pf-font);
    background: var(--pf-bg);
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.01em;
}

a { text-decoration: none; }

/* ---- Accessibility: visible focus + reduced motion ---- */
:focus-visible {
    outline: none;
    box-shadow: var(--pf-ring);
    border-radius: var(--pf-radius-sm);
}
.btn:focus-visible, .form-control:focus-visible, .form-select:focus-visible { box-shadow: var(--pf-ring); }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
    }
    .reveal { opacity: 1 !important; transform: none !important; }
}

/* ---- Custom scrollbar (WebKit) ---- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--pf-border); border-radius: 999px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: rgba(var(--pf-primary-rgb), .5); background-clip: content-box; }

/* ---- Scroll reveal ---- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s cubic-bezier(.22,1,.36,1); }
.reveal.in-view { opacity: 1; transform: none; }

/* ---- Brand ---- */
.pf-brand {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.03em;
    color: var(--bs-body-color);
}
.pf-brand .pf-logo {
    width: 34px; height: 34px;
    display: grid; place-items: center;
    border-radius: 10px;
    color: #fff;
    background: var(--pf-grad);
    box-shadow: 0 6px 16px rgba(var(--pf-primary-rgb), .35);
    font-size: 1.05rem;
    transition: transform .25s cubic-bezier(.22,1,.36,1), box-shadow .25s ease;
}
.pf-brand:hover .pf-logo { transform: rotate(-8deg) scale(1.06); box-shadow: 0 10px 22px rgba(var(--pf-primary-rgb), .45); }
.pf-brand span b { color: var(--pf-primary); }

/* ---- Buttons ---- */
.btn { font-weight: 600; border-radius: var(--pf-radius-sm); padding: .5rem 1rem; transition: transform .15s ease, box-shadow .2s ease, background-color .2s ease, filter .2s ease; }
.btn:active { transform: translateY(1px) scale(.99); }
.btn-lg { padding: .75rem 1.4rem; }
.btn-primary {
    --bs-btn-bg: var(--pf-primary);
    --bs-btn-border-color: var(--pf-primary);
    --bs-btn-hover-bg: var(--pf-primary-hover);
    --bs-btn-hover-border-color: var(--pf-primary-hover);
    --bs-btn-active-bg: var(--pf-primary-hover);
    box-shadow: 0 6px 16px rgba(var(--pf-primary-rgb), .25);
}
.btn-primary:hover { box-shadow: 0 10px 22px rgba(var(--pf-primary-rgb), .38); transform: translateY(-1px); }
.btn-gradient {
    color: #fff;
    background: var(--pf-grad);
    background-size: 160% 160%;
    border: none;
    box-shadow: 0 8px 22px rgba(var(--pf-primary-rgb), .35);
    transition: transform .18s ease, box-shadow .2s ease, background-position .5s ease;
}
.btn-gradient:hover { color: #fff; transform: translateY(-1px); background-position: 100% 0; box-shadow: 0 14px 30px rgba(var(--pf-accent-rgb), .42); }

/* ---- Cards / surfaces ---- */
.pf-card {
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius);
    box-shadow: var(--pf-shadow);
}
.card {
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius);
}

/* ---- Layout shell ---- */
.pf-shell { min-height: 100vh; }
.pf-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--pf-sidebar-w);
    background: var(--pf-surface);
    border-right: 1px solid var(--pf-border);
    display: flex;
    flex-direction: column;
    padding: 1rem .85rem;
    z-index: 1045;
    transition: transform .25s ease;
}
.pf-sidebar .pf-nav { margin-top: 1rem; display: flex; flex-direction: column; gap: 2px; flex: 1; }
.pf-nav-link {
    display: flex; align-items: center; gap: .75rem;
    padding: .62rem .8rem;
    border-radius: 10px;
    color: var(--pf-muted);
    font-weight: 600;
    font-size: .94rem;
    transition: background .15s, color .15s;
}
.pf-nav-link i { font-size: 1.1rem; width: 1.25rem; text-align: center; }
.pf-nav-link:hover { background: var(--pf-surface-2); color: var(--bs-body-color); }
.pf-nav-link.active {
    background: rgba(var(--pf-primary-rgb), .12);
    color: var(--pf-primary);
}
.pf-nav-heading {
    font-size: .7rem; text-transform: uppercase; letter-spacing: .08em;
    color: var(--pf-muted); font-weight: 700; padding: .9rem .8rem .3rem;
}

.pf-main { margin-left: var(--pf-sidebar-w); display: flex; flex-direction: column; min-height: 100vh; }
.pf-topbar {
    position: sticky; top: 0; z-index: 1030;
    background: color-mix(in srgb, var(--pf-bg) 85%, transparent);
    backdrop-filter: saturate(160%) blur(10px);
    border-bottom: 1px solid var(--pf-border);
    padding: .7rem 1.25rem;
    display: flex; align-items: center; gap: 1rem;
}
.pf-content { padding: 1.6rem 1.25rem; flex: 1; }
.pf-content-narrow { max-width: 1120px; margin: 0 auto; width: 100%; }

.pf-search { position: relative; flex: 1; max-width: 460px; }
.pf-search i { position: absolute; left: .85rem; top: 50%; transform: translateY(-50%); color: var(--pf-muted); }
.pf-search input { padding-left: 2.3rem; border-radius: 999px; background: var(--pf-surface); border-color: var(--pf-border); }

/* ---- Sidebar backdrop (mobile) ---- */
.pf-backdrop { position: fixed; inset: 0; background: rgba(2, 6, 23, .5); z-index: 1044; display: none; }

@media (max-width: 991.98px) {
    .pf-sidebar { transform: translateX(-100%); }
    .pf-sidebar.open { transform: translateX(0); }
    .pf-main { margin-left: 0; }
    .pf-backdrop.show { display: block; }
}

/* ---- Prompt cards ---- */
.prompt-card { display: flex; flex-direction: column; height: 100%; transition: transform .15s, box-shadow .15s; }
.prompt-card:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(16, 24, 40, .12); }
.prompt-card .pf-excerpt {
    color: var(--pf-muted); font-size: .9rem; line-height: 1.5;
    display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.prompt-card .card-title { font-weight: 700; letter-spacing: -0.01em; }

/* ---- Badges / tags ---- */
.pf-tag {
    display: inline-flex; align-items: center; gap: .3rem;
    background: var(--pf-surface-2);
    border: 1px solid var(--pf-border);
    color: var(--pf-muted);
    padding: .2rem .6rem; border-radius: 999px; font-size: .78rem; font-weight: 600;
}
.pf-chip {
    background: rgba(var(--pf-primary-rgb), .1); color: var(--pf-primary);
    padding: .2rem .65rem; border-radius: 999px; font-size: .78rem; font-weight: 700;
}
.visibility-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.visibility-public { background: #10b981; }
.visibility-private { background: #94a3b8; }
.visibility-unlisted { background: #f59e0b; }

/* ---- Stat cards ---- */
.stat-card { display: flex; align-items: center; gap: 1rem; padding: 1.1rem 1.25rem; }
.stat-icon {
    width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center;
    font-size: 1.35rem; color: #fff; flex-shrink: 0;
}
.stat-card .stat-value { font-size: 1.6rem; font-weight: 800; line-height: 1; letter-spacing: -0.02em; }
.stat-card .stat-label { color: var(--pf-muted); font-size: .85rem; font-weight: 600; }

/* ---- Forms ---- */
.form-control, .form-select {
    background: var(--pf-surface);
    border-color: var(--pf-border);
    border-radius: var(--pf-radius-sm);
    padding: .6rem .85rem;
}
.form-control:focus, .form-select:focus {
    border-color: var(--pf-primary);
    box-shadow: 0 0 0 .2rem rgba(var(--pf-primary-rgb), .15);
    background: var(--pf-surface);
}
.form-label { font-weight: 600; font-size: .9rem; margin-bottom: .35rem; }

/* ---- Auth pages ---- */
.pf-auth-wrap { min-height: 100vh; display: grid; grid-template-columns: 1fr; }
.pf-auth-hero {
    background: radial-gradient(1200px 600px at 0% 0%, rgba(124, 58, 237, .25), transparent),
                linear-gradient(135deg, var(--pf-primary), var(--pf-accent));
    color: #fff; padding: 3rem; display: none; flex-direction: column; justify-content: space-between;
}
.pf-auth-form { display: grid; place-items: center; padding: 2rem 1rem; }
.pf-auth-card { width: 100%; max-width: 420px; }
@media (min-width: 992px) {
    .pf-auth-wrap { grid-template-columns: 1.05fr 1fr; }
    .pf-auth-hero { display: flex; }
}
.pf-feature-row { display: flex; gap: .75rem; align-items: flex-start; margin-bottom: 1.1rem; }
.pf-feature-row i { font-size: 1.25rem; opacity: .95; }

/* ---- Marketplace landing ---- */
.pf-hero {
    position: relative;
    padding: 5rem 0 3.25rem;
    overflow: hidden;
    isolation: isolate;
}
.pf-hero::before {
    content: "";
    position: absolute;
    inset: -30% -10% auto -10%;
    height: 130%;
    z-index: -1;
    background:
        radial-gradient(40% 50% at 15% 20%, rgba(var(--pf-primary-rgb), .30), transparent 70%),
        radial-gradient(38% 48% at 85% 12%, rgba(var(--pf-accent-rgb), .28), transparent 70%),
        radial-gradient(45% 55% at 70% 85%, rgba(236, 72, 153, .20), transparent 70%),
        radial-gradient(35% 45% at 25% 90%, rgba(6, 182, 212, .16), transparent 70%);
    filter: blur(8px);
    background-size: 200% 200%;
    animation: pf-aurora 18s ease-in-out infinite;
}
@keyframes pf-aurora {
    0%, 100% { background-position: 0% 0%, 100% 0%, 100% 100%, 0% 100%; }
    50% { background-position: 20% 30%, 80% 20%, 70% 80%, 30% 70%; }
}
.pf-hero h1 { font-weight: 800; letter-spacing: -0.04em; font-size: clamp(2.4rem, 6vw, 4rem); line-height: 1.02; }
.pf-gradient-text {
    background: var(--pf-grad);
    background-size: 200% auto;
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
    animation: pf-gradient-pan 6s linear infinite;
}
@keyframes pf-gradient-pan { to { background-position: 200% center; } }

/* Hero search glow */
.pf-hero .pf-search input { box-shadow: 0 10px 30px rgba(var(--pf-primary-rgb), .12); transition: box-shadow .3s ease, transform .2s ease; }
.pf-hero .pf-search input:focus { box-shadow: 0 0 0 4px rgba(var(--pf-primary-rgb), .18), 0 14px 36px rgba(var(--pf-accent-rgb), .22); }

/* ---- Misc ---- */
.text-muted-2 { color: var(--pf-muted) !important; }
.pf-divider { height: 1px; background: var(--pf-border); border: 0; margin: 1.25rem 0; }
.avatar-sm { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; }
.avatar-md { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.avatar-lg { width: 88px; height: 88px; border-radius: 50%; object-fit: cover; }
.cursor-pointer { cursor: pointer; }
.code-block {
    background: var(--pf-surface-2); border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius-sm); padding: 1rem; font-family: ui-monospace, "Cascadia Code", Menlo, Consolas, monospace;
    font-size: .88rem; white-space: pre-wrap; word-break: break-word; max-height: 460px; overflow: auto;
}
.empty-state { text-align: center; padding: 3.5rem 1rem; color: var(--pf-muted); }
.empty-state i { font-size: 2.6rem; opacity: .5; }

/* =====================================================================
   Image-first gallery (PromptPlum-style)
   ===================================================================== */

/* Uniform responsive grid — every card is exactly the same size. */
.pf-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem;
}
@media (min-width: 992px)  { .pf-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1400px) { .pf-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

/* Gallery card */
.pf-gallery-card {
    height: 100%;
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--pf-shadow);
    transition: transform .25s cubic-bezier(.22,1,.36,1), box-shadow .25s ease, border-color .25s ease;
}
.pf-gallery-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--pf-shadow-lg);
    border-color: rgba(var(--pf-primary-rgb), .45);
}

.pf-card-media {
    position: relative;
    display: block;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(var(--pf-primary-rgb), .12), rgba(var(--pf-accent-rgb), .12));
    line-height: 0;
}
.pf-card-media img {
    width: 100%; height: 100%; object-fit: cover; display: block;
    transition: transform .55s cubic-bezier(.22,1,.36,1);
}
.pf-gallery-card:hover .pf-card-media img { transform: scale(1.07); }
/* Scrim that deepens on hover for badge legibility + depth */
.pf-card-media::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(2,6,23,.28) 0%, transparent 32%, transparent 62%, rgba(2,6,23,.42) 100%);
    opacity: .7; transition: opacity .3s ease; pointer-events: none;
}
.pf-gallery-card:hover .pf-card-media::after { opacity: 1; }
.pf-card-media-fallback {
    position: relative; z-index: 1;
    display: flex; align-items: center; justify-content: center;
    width: 100%; height: 100%; line-height: 1;
    color: rgba(var(--pf-primary-rgb), .55); font-size: 2.6rem;
    background:
        radial-gradient(120% 120% at 0% 0%, rgba(var(--pf-primary-rgb), .18), transparent),
        linear-gradient(135deg, var(--pf-surface-2), var(--pf-surface));
}

.pf-card-cat {
    position: absolute; top: .6rem; left: .6rem; z-index: 2;
    background: rgba(15, 23, 42, .6); color: #fff;
    font-size: .66rem; font-weight: 700; letter-spacing: .06em;
    padding: .28rem .6rem; border-radius: 999px;
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,.18);
}
.pf-card-vis {
    position: absolute; top: .6rem; right: .6rem; z-index: 2;
    background: rgba(15, 23, 42, .6); color: #fff;
    font-size: .68rem; font-weight: 600;
    padding: .24rem .6rem; border-radius: 999px; display: inline-flex; align-items: center; gap: .3rem;
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.pf-card-likes {
    position: absolute; bottom: .6rem; right: .6rem; z-index: 2;
    background: rgba(15, 23, 42, .58); color: #fff;
    font-size: .72rem; font-weight: 700;
    padding: .24rem .6rem; border-radius: 999px; display: inline-flex; align-items: center; gap: .3rem;
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    transition: transform .25s ease;
}
.pf-gallery-card:hover .pf-card-likes { transform: translateY(-2px); }
.pf-card-likes .bi-heart-fill { color: #fb7185; }

.pf-card-body { padding: .85rem .9rem 1rem; display: flex; flex-direction: column; gap: .5rem; flex: 1 1 auto; }
.pf-card-title { font-size: .98rem; font-weight: 700; line-height: 1.3; margin: 0; letter-spacing: -0.01em;
    flex: 1 1 auto; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pf-card-title a { background-image: linear-gradient(var(--pf-primary), var(--pf-primary)); background-size: 0% 2px; background-repeat: no-repeat; background-position: 0 100%; transition: background-size .3s ease; }
.pf-gallery-card:hover .pf-card-title a { background-size: 100% 2px; }
.pf-card-excerpt { color: var(--pf-muted); font-size: .84rem; line-height: 1.45; margin: 0;
    display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pf-card-actions { display: flex; gap: .4rem; align-items: center; }
.pf-card-actions .btn-primary { background: var(--pf-grad); border: none; }
.pf-card-meta { font-size: .78rem; color: var(--pf-muted); margin-top: auto; }

/* Detail page media (image-left layout) */
.pf-detail-media img { width: 100%; display: block; border-radius: var(--pf-radius); border: 1px solid var(--pf-border); }
.pf-detail-media-fallback {
    display: flex; align-items: center; justify-content: center;
    aspect-ratio: 4 / 5; border-radius: var(--pf-radius); border: 1px solid var(--pf-border);
    color: rgba(var(--pf-primary-rgb), .5); font-size: 3rem;
    background: linear-gradient(135deg, var(--pf-surface-2), var(--pf-surface));
}
@media (min-width: 992px) { .pf-detail-media { position: sticky; top: 90px; } }

/* Image upload drop zone (prompt form) */
.prompt-image-drop {
    border: 1.5px dashed var(--pf-border);
    border-radius: var(--pf-radius-sm);
    overflow: hidden;
    background: var(--pf-surface-2);
}
.prompt-image-drop.has-image { border-style: solid; }
.prompt-image-drop img { width: 100%; height: auto; display: block; }
.prompt-image-placeholder {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .25rem;
    width: 100%; aspect-ratio: 4 / 3; cursor: pointer; color: var(--pf-muted); text-align: center; padding: 1rem;
}
.prompt-image-placeholder i { font-size: 2rem; color: var(--pf-primary); }
.prompt-image-placeholder span { font-weight: 600; font-size: .9rem; }

/* Browse by Style tiles */
.pf-style-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: .9rem;
}
@media (min-width: 576px) { .pf-style-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 992px) { .pf-style-grid { grid-template-columns: repeat(4, 1fr); } }
.pf-style-tile {
    position: relative;
    display: flex; flex-direction: column; justify-content: flex-end;
    min-height: 124px; padding: 1rem;
    border-radius: var(--pf-radius);
    border: 1px solid transparent;
    color: #fff; overflow: hidden; text-decoration: none;
    background: var(--pf-grad);
    box-shadow: 0 6px 18px rgba(var(--pf-primary-rgb), .18);
    transition: transform .25s cubic-bezier(.22,1,.36,1), box-shadow .25s ease;
}
/* sheen sweep on hover */
.pf-style-tile::before {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.28) 50%, transparent 70%);
    transform: translateX(-120%);
    transition: transform .7s ease;
}
.pf-style-tile:hover { transform: translateY(-5px) scale(1.01); box-shadow: 0 18px 36px rgba(var(--pf-accent-rgb), .38); color: #fff; }
.pf-style-tile:hover::before { transform: translateX(120%); }
.pf-style-tile .pf-style-ico { position: absolute; top: .6rem; right: .7rem; font-size: 1.7rem; opacity: .55; transition: transform .3s ease, opacity .3s ease; }
.pf-style-tile:hover .pf-style-ico { opacity: .85; transform: scale(1.15) rotate(-6deg); }
.pf-style-tile .pf-style-name { font-weight: 700; letter-spacing: -0.01em; display: inline-flex; align-items: center; gap: .35rem; }
.pf-style-tile .pf-style-name::after { content: "\2192"; opacity: 0; transform: translateX(-6px); transition: opacity .25s ease, transform .25s ease; font-weight: 700; }
.pf-style-tile:hover .pf-style-name::after { opacity: 1; transform: translateX(0); }
.pf-style-tile .pf-style-count { font-size: .76rem; opacity: .9; }
.pf-style-tile:nth-child(8n+1) { background: linear-gradient(135deg, #6366f1, #a855f7); }
.pf-style-tile:nth-child(8n+2) { background: linear-gradient(135deg, #0ea5e9, #2563eb); }
.pf-style-tile:nth-child(8n+3) { background: linear-gradient(135deg, #ec4899, #f43f5e); }
.pf-style-tile:nth-child(8n+4) { background: linear-gradient(135deg, #10b981, #22c55e); }
.pf-style-tile:nth-child(8n+5) { background: linear-gradient(135deg, #f59e0b, #ef4444); }
.pf-style-tile:nth-child(8n+6) { background: linear-gradient(135deg, #8b5cf6, #6366f1); }
.pf-style-tile:nth-child(8n+7) { background: linear-gradient(135deg, #06b6d4, #0ea5e9); }
.pf-style-tile:nth-child(8n+8) { background: linear-gradient(135deg, #14b8a6, #10b981); }

/* Popular links row */
.pf-popular { display: flex; flex-wrap: wrap; gap: .4rem .6rem; align-items: center; justify-content: center; }
.pf-popular a { color: var(--pf-muted); font-weight: 600; font-size: .9rem; transition: color .2s ease; }
.pf-popular a:hover { color: var(--pf-primary); }

/* ---- Chips / pills polish ---- */
.pf-chip {
    display: inline-flex; align-items: center; gap: .3rem;
    background: linear-gradient(135deg, rgba(var(--pf-primary-rgb), .14), rgba(var(--pf-accent-rgb), .14));
    color: var(--pf-primary); border: 1px solid rgba(var(--pf-primary-rgb), .2);
    padding: .28rem .7rem; border-radius: 999px; font-size: .78rem; font-weight: 700;
}

/* ---- Section headings accent ---- */
.pf-eyebrow {
    display: inline-flex; align-items: center; gap: .4rem;
    font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
    color: var(--pf-primary);
}

/* =====================================================================
   Micro-interactions
   ===================================================================== */

/* Ripple — Material-style press feedback on buttons & interactive items */
.btn, .pf-nav-link, .pf-style-tile, .pf-chip, .dropdown-item, .page-link {
    position: relative;
    overflow: hidden;
}
.pf-ripple {
    position: absolute;
    border-radius: 50%;
    transform: scale(0);
    background: currentColor;
    opacity: .28;
    pointer-events: none;
    animation: pf-ripple .55s cubic-bezier(.22,1,.36,1) forwards;
    mix-blend-mode: var(--pf-ripple-blend, normal);
}
@keyframes pf-ripple { to { transform: scale(2.6); opacity: 0; } }

/* Press feedback for tappable cards/tiles */
.pf-gallery-card:active { transform: translateY(-2px) scale(.992); }
.pf-style-tile:active { transform: translateY(-2px) scale(.99); }

/* Favorite heart — pop + burst */
@keyframes pf-heart-pop {
    0% { transform: scale(1); }
    35% { transform: scale(1.45); }
    60% { transform: scale(.88); }
    100% { transform: scale(1); }
}
.pf-heart-pop { animation: pf-heart-pop .45s cubic-bezier(.22,1,.36,1); }

.pf-burst {
    position: absolute;
    width: 6px; height: 6px; border-radius: 50%;
    background: #fb7185;
    pointer-events: none;
    opacity: .9;
    animation: pf-burst .5s ease-out forwards;
}
@keyframes pf-burst {
    to { transform: translate(var(--bx, 0), var(--by, 0)) scale(.2); opacity: 0; }
}

/* Count change bounce */
@keyframes pf-bounce-num {
    0% { transform: translateY(0); }
    40% { transform: translateY(-5px); }
    70% { transform: translateY(2px); }
    100% { transform: translateY(0); }
}
.pf-bounce { display: inline-block; animation: pf-bounce-num .4s cubic-bezier(.22,1,.36,1); }

/* Copy success — green flash + check pop */
@keyframes pf-check-pop {
    0% { transform: scale(.4); opacity: 0; }
    60% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}
.btn .pf-check { display: inline-block; animation: pf-check-pop .35s cubic-bezier(.22,1,.36,1); }

/* Theme toggle icon spin */
@keyframes pf-spin-swap {
    0% { transform: rotate(0) scale(1); }
    50% { transform: rotate(180deg) scale(.6); opacity: .4; }
    100% { transform: rotate(360deg) scale(1); opacity: 1; }
}
.pf-spin { animation: pf-spin-swap .5s ease; }

/* Icon-button hover lift (theme/share/etc.) */
.btn-outline-secondary:hover { transform: translateY(-1px); }

/* Nav link — animated active indicator + hover slide */
.pf-nav-link { position: relative; transition: background .15s, color .15s, padding-left .2s ease; }
.pf-nav-link:hover { padding-left: 1rem; }
.pf-nav-link.active::before {
    content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 3px; height: 60%; border-radius: 999px; background: var(--pf-grad);
    animation: pf-indicator .3s cubic-bezier(.22,1,.36,1);
}
@keyframes pf-indicator { from { height: 0; opacity: 0; } to { height: 60%; opacity: 1; } }

/* Pill/tag hover */
.pf-tag { transition: transform .15s ease, border-color .15s ease, color .15s ease; }
a.pf-tag:hover { transform: translateY(-1px); color: var(--pf-primary); border-color: rgba(var(--pf-primary-rgb), .4); }

/* Input focus lift */
.form-control, .form-select { transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
.form-control:focus, .form-select:focus { transform: translateY(-1px); }

/* Dropdown menu entrance */
.dropdown-menu.show { animation: pf-menu-in .18s ease-out; transform-origin: top; }
@keyframes pf-menu-in { from { opacity: 0; transform: translateY(-6px) scale(.98); } to { opacity: 1; transform: none; } }

/* Spinner for async buttons */
.pf-btn-spinner {
    display: inline-block; width: 1em; height: 1em; vertical-align: -.125em;
    border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%;
    animation: pf-spin .6s linear infinite;
}
@keyframes pf-spin { to { transform: rotate(360deg); } }

/* Toasts (animated flash messages) */
.pf-toast-stack {
    position: fixed; top: 1rem; right: 1rem; z-index: 1090;
    display: flex; flex-direction: column; gap: .6rem; max-width: min(92vw, 380px);
}
.pf-toast {
    display: flex; align-items: flex-start; gap: .65rem;
    background: var(--pf-glass);
    backdrop-filter: blur(12px) saturate(160%); -webkit-backdrop-filter: blur(12px) saturate(160%);
    border: 1px solid var(--pf-border);
    border-left: 4px solid var(--pf-primary);
    border-radius: var(--pf-radius-sm);
    padding: .8rem .9rem; box-shadow: var(--pf-shadow-lg);
    color: var(--bs-body-color);
    animation: pf-toast-in .4s cubic-bezier(.22,1,.36,1);
}
.pf-toast.hiding { animation: pf-toast-out .3s ease forwards; }
.pf-toast.success { border-left-color: #10b981; }
.pf-toast.error { border-left-color: #ef4444; }
.pf-toast.info { border-left-color: var(--pf-primary); }
.pf-toast .pf-toast-ico { font-size: 1.15rem; line-height: 1.3; }
.pf-toast.success .pf-toast-ico { color: #10b981; }
.pf-toast.error .pf-toast-ico { color: #ef4444; }
.pf-toast.info .pf-toast-ico { color: var(--pf-primary); }
.pf-toast .pf-toast-body { flex: 1; font-size: .9rem; font-weight: 500; }
.pf-toast .pf-toast-close { background: none; border: 0; color: var(--pf-muted); cursor: pointer; padding: 0; line-height: 1; }
@keyframes pf-toast-in { from { opacity: 0; transform: translateX(40px) scale(.96); } to { opacity: 1; transform: none; } }
@keyframes pf-toast-out { to { opacity: 0; transform: translateX(40px) scale(.96); } }

@media (prefers-reduced-motion: reduce) {
    .pf-ripple, .pf-heart-pop, .pf-burst, .pf-bounce, .pf-check, .pf-spin,
    .dropdown-menu.show, .pf-toast, .pf-nav-link.active::before { animation: none !important; }
    .pf-nav-link:hover { padding-left: .8rem; }
}

/* ---- Mega dropdown (PromptBase-style) ---- */
.pf-mega-dropdown {
    margin-top: 0 !important;
    border: none !important;
    border-top: none !important;
    animation: pf-mega-in .2s ease-out;
    background: var(--pf-surface) !important;
    border-radius: 0 0 16px 16px !important;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,.15), 0 4px 16px rgba(0,0,0,.08) !important;
}
[data-bs-theme="dark"] .pf-mega-dropdown {
    box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 4px 16px rgba(0,0,0,.3) !important;
}
@keyframes pf-mega-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* Top tabs bar */
.pf-mega-tabs {
    display: flex;
    gap: .35rem;
    padding: .65rem 1.5rem;
    border-bottom: 1px solid var(--pf-border);
    background: var(--pf-surface);
    overflow-x: auto;
    scrollbar-width: none;
}
.pf-mega-tabs::-webkit-scrollbar { display: none; }
.pf-mega-tab {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .5rem .9rem;
    border: none;
    background: transparent;
    color: var(--pf-muted);
    font-size: .82rem;
    font-weight: 600;
    border-radius: 99px;
    white-space: nowrap;
    cursor: pointer;
    transition: all .18s ease;
    letter-spacing: -.01em;
}
.pf-mega-tab:hover { color: var(--bs-body-color); background: var(--pf-surface-2); }
.pf-mega-tab.active {
    color: #fff;
    background: linear-gradient(135deg, var(--pf-primary), var(--pf-accent));
    box-shadow: 0 3px 12px rgba(var(--pf-primary-rgb), .35);
}
.pf-mega-tab i { font-size: .95rem; }

/* Body: sidebar + content */
.pf-mega-body {
    display: flex;
    min-height: 300px;
    max-height: 420px;
}

/* Left sidebar */
.pf-mega-sidebar {
    width: 260px;
    min-width: 260px;
    border-right: 1px solid var(--pf-border);
    padding: .5rem 0;
    overflow-y: auto;
    background: var(--pf-surface-2);
}
.pf-mega-sidebar-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .55rem 1.2rem;
    color: var(--bs-body-color);
    font-size: .87rem;
    font-weight: 500;
    text-decoration: none;
    transition: all .12s ease;
    border-left: 3px solid transparent;
    margin: 1px 0;
}
.pf-mega-sidebar-link:hover {
    background: rgba(var(--pf-primary-rgb), .1);
    color: var(--pf-primary);
    border-left-color: var(--pf-primary);
}
.pf-mega-sidebar-link i { font-size: .65rem; opacity: .4; transition: opacity .12s; }
.pf-mega-sidebar-link:hover i { opacity: 1; color: var(--pf-primary); }
.pf-mega-all-link {
    font-weight: 700;
    font-size: .88rem;
    color: var(--bs-body-color);
    margin-bottom: .2rem;
    padding-top: .7rem;
    padding-bottom: .7rem;
    border-bottom: 1px solid var(--pf-border);
}
.pf-mega-all-link:hover { background: transparent; border-left-color: transparent; color: var(--pf-primary); }
.pf-mega-all-link i { font-size: .8rem; opacity: .7; }

/* Right content panel */
.pf-mega-content {
    flex: 1;
    padding: 1.5rem 2rem;
    overflow-y: auto;
}
.pf-mega-content-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: .75rem;
    color: var(--bs-body-color);
    letter-spacing: -.01em;
}
.pf-mega-content-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: .2rem .5rem;
}
.pf-mega-content-links a {
    color: var(--pf-muted);
    font-size: .88rem;
    font-weight: 500;
    text-decoration: none;
    padding: .4rem .5rem;
    border-radius: 6px;
    transition: all .15s ease;
}
.pf-mega-content-links a:hover {
    color: var(--pf-primary);
    background: rgba(var(--pf-primary-rgb), .06);
}

/* Alpine cloak */
[x-cloak] { display: none !important; }

/* Mobile responsive */
@media (max-width: 991.98px) {
    .pf-mega-dropdown {
        position: static !important;
        box-shadow: none !important;
        border-radius: 0 !important;
    }
    .pf-mega-tabs {
        flex-wrap: nowrap;
        padding: .4rem .5rem;
        gap: .2rem;
    }
    .pf-mega-tab { padding: .35rem .6rem; font-size: .75rem; }
    .pf-mega-body { flex-direction: column; min-height: auto; max-height: none; }
    .pf-mega-sidebar {
        width: 100%;
        min-width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--pf-border);
        max-height: 220px;
    }
    .pf-mega-content { padding: .75rem 1rem; }
    .pf-mega-content-links { grid-template-columns: 1fr; }
}