/* =====================================================================
   Mega-menu nav · shared across all pages
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
    --mm-bg-deep: #1e1e2e;
    --mm-bg-card: #2a2a3e;
    --mm-bg-elev: #34344a;
    --mm-ink: #e4e4e7;
    --mm-muted: #a1a1aa;
    --mm-dim: #71717a;
    --mm-line: rgba(255, 255, 255, 0.08);
    --mm-line-strong: rgba(255, 255, 255, 0.14);
    --mm-accent: #a855f7;
    --mm-accent-hover: #9333ea;
    --mm-accent-soft: rgba(168, 85, 247, 0.16);
    --mm-c1: #f43f5e;
    --mm-c2: #fb923c;
    --mm-c3: #eab308;
    --mm-c4: #22c55e;
    --mm-c5: #3b82f6;
    --mm-c6: #a855f7;
    --mm-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.6);
    --mm-font: 'Inter', 'Segoe UI', system-ui, sans-serif;
    --mm-mono: 'JetBrains Mono', 'Consolas', monospace;
}

:root[data-theme="light"] {
    --mm-bg-deep: #ffffff;
    --mm-bg-card: #f6f6fa;
    --mm-bg-elev: #ececf3;
    --mm-ink: #18181b;
    --mm-muted: #52525b;
    --mm-dim: #71717a;
    --mm-line: rgba(0, 0, 0, 0.08);
    --mm-line-strong: rgba(0, 0, 0, 0.14);
    --mm-accent: #7c3aed;
    --mm-accent-hover: #6d28d9;
    --mm-accent-soft: rgba(124, 58, 237, 0.12);
    --mm-shadow: 0 30px 60px -20px rgba(20, 20, 30, 0.18);
}

/* ───────── NAV BAR ───────── */

.mm-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: linear-gradient(180deg, var(--mm-bg-deep) 0%, rgba(30, 30, 46, 0.92) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--mm-line);
    font-family: var(--mm-font);
    color: var(--mm-ink);
}

:root[data-theme="light"] .mm-nav {
    background: linear-gradient(180deg, var(--mm-bg-deep) 0%, rgba(255, 255, 255, 0.92) 100%);
}

.mm-nav-inner {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
    height: 92px;
    display: flex;
    align-items: center;
    gap: 28px;
}

.mm-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 17px;
    letter-spacing: -0.015em;
    text-decoration: none;
    color: var(--mm-ink);
    flex-shrink: 0;
}
.mm-brand-img {
    height: 72px;
    width: auto;
    display: block;
    flex-shrink: 0;
}
img.mm-brand-img-light { display: none; }
:root[data-theme="light"] img.mm-brand-img-dark { display: none; }
:root[data-theme="light"] img.mm-brand-img-light { display: block; }

.mm-brand-text {
    display: none;
}
.mm-brand-text .mm-brand-dot {
    font-style: normal;
    color: var(--mm-accent);
}

/* ───────── LINKS ───────── */

.mm-links {
    display: flex;
    gap: 2px;
    align-items: center;
    flex: 1;
}
.mm-link {
    position: relative;
    padding: 9px 14px;
    font-size: 14px;
    font-weight: 600;
    color: var(--mm-ink);
    background: transparent;
    border: 0;
    cursor: pointer;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: inherit;
    text-decoration: none;
}
.mm-link:hover,
.mm-link[aria-expanded="true"] {
    background: var(--mm-bg-card);
}
:root[data-theme="light"] .mm-link:hover,
:root[data-theme="light"] .mm-link[aria-expanded="true"] {
    background: var(--mm-bg-elev);
}
.mm-link .mm-caret {
    font-size: 9px;
    opacity: 0.55;
    transition: transform 0.25s ease;
    margin-left: 2px;
}
.mm-link[aria-expanded="true"] .mm-caret {
    transform: rotate(180deg);
    color: var(--mm-accent);
    opacity: 1;
}
.mm-link.mm-link-current {
    color: var(--mm-accent);
}
.mm-link.mm-link-current::after {
    content: '';
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 2px;
    height: 2px;
    background: var(--mm-accent);
    border-radius: 1px;
}
.mm-pin {
    background: var(--mm-accent);
    color: #fff;
    font-size: 9px;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: 999px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-left: 4px;
}

/* ───────── RIGHT SIDE ───────── */

.mm-right {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}
.mm-search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 8px;
    background: var(--mm-bg-card);
    border: 1px solid var(--mm-line);
    color: var(--mm-muted);
    font-size: 13px;
    cursor: pointer;
    font-family: inherit;
    min-width: 220px;
    transition: border-color 0.15s ease, background 0.15s ease;
}
.mm-search:hover {
    border-color: var(--mm-accent);
    color: var(--mm-ink);
}
.mm-search-icon {
    font-size: 13px;
    opacity: 0.8;
}
.mm-search-text {
    flex: 1;
    text-align: left;
}
.mm-search-kbd {
    margin-left: auto;
    font-family: var(--mm-mono);
    font-size: 10px;
    background: var(--mm-bg-elev);
    color: var(--mm-muted);
    padding: 2px 6px;
    border-radius: 3px;
}

.mm-theme-toggle {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: var(--mm-bg-card);
    border: 1px solid var(--mm-line);
    color: var(--mm-ink);
    cursor: pointer;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    flex-shrink: 0;
    padding: 0;
    font-family: inherit;
}
.mm-theme-toggle:hover {
    background: var(--mm-bg-elev);
    border-color: var(--mm-accent);
}

/* ───────── MEGA PANEL ───────── */

.mm-mega-wrap {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    pointer-events: none;
}
.mm-mega {
    background: var(--mm-bg-card);
    border-bottom: 1px solid var(--mm-line);
    box-shadow: var(--mm-shadow);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
}
.mm-mega.mm-open { max-height: 760px; }

.mm-mega-inner {
    max-width: 1320px;
    margin: 0 auto;
    padding: 30px 24px 36px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1.35fr;
    gap: 32px;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.25s ease 0.1s, transform 0.3s ease 0.1s;
}
.mm-mega-inner[hidden] { display: none; }
.mm-mega.mm-open .mm-mega-inner {
    opacity: 1;
    transform: translateY(0);
}

.mm-mega-col h4 {
    font-family: var(--mm-mono);
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--mm-accent);
    font-weight: 700;
    margin: 0 0 14px;
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--mm-line);
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}
.mm-mega-col h4 span {
    color: var(--mm-dim);
    font-weight: 500;
    letter-spacing: 0.15em;
}

.mm-mega-link {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 10px;
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease;
    color: var(--mm-ink);
    border: none;
    background: transparent;
    font-family: inherit;
    text-align: left;
    width: 100%;
}
.mm-mega-link:hover {
    background: var(--mm-bg-elev);
}
.mm-mega-link[data-soon] {
    cursor: default;
    opacity: 0.85;
}
.mm-mega-link[data-soon]:hover {
    background: var(--mm-bg-elev);
    opacity: 1;
}
.mm-mega-link.mm-mega-link-active {
    background: var(--mm-accent-soft);
    box-shadow: inset 3px 0 0 var(--mm-accent);
}

.mm-mega-link .mm-ic {
    width: 34px;
    height: 34px;
    border-radius: 7px;
    background: var(--mm-bg-elev);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 16px;
    border: 1px solid var(--mm-line);
    overflow: hidden;
    position: relative;
    transition: transform 0.2s ease;
    color: var(--mm-ink);
}
.mm-mega-link:hover .mm-ic {
    transform: scale(1.06);
}
.mm-mega-link .mm-body {
    flex: 1;
    min-width: 0;
}
.mm-mega-link .mm-body b {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--mm-ink);
    margin-bottom: 3px;
}
.mm-mega-link .mm-body p {
    margin: 0;
    font-size: 12px;
    color: var(--mm-muted);
    line-height: 1.45;
}

.mm-badge {
    font-family: var(--mm-mono);
    font-size: 9px;
    font-weight: 800;
    padding: 1px 5px;
    border-radius: 3px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    line-height: 1.4;
}
.mm-badge-new { background: var(--mm-c4); color: var(--mm-bg-deep); }
.mm-badge-beta { background: var(--mm-c2); color: #1e1e2e; }
.mm-badge-soon {
    background: var(--mm-bg-elev);
    color: var(--mm-muted);
    border: 1px solid var(--mm-line);
}

/* Icon flavors */
.mm-ic-extract { background: linear-gradient(135deg, var(--mm-c1), var(--mm-c2)); color: #fff; }
.mm-ic-image { background: linear-gradient(135deg, #1a3a8c, var(--mm-c1) 50%, var(--mm-c3) 100%); color: #fff; }
.mm-ic-drop { background: linear-gradient(135deg, var(--mm-c5), var(--mm-c6)); color: #fff; }
.mm-ic-stack { background: linear-gradient(135deg, var(--mm-c3), var(--mm-c2)); color: var(--mm-bg-deep); }
.mm-ic-window { background: linear-gradient(135deg, var(--mm-c4), var(--mm-c5)); color: #fff; }
.mm-ic-import { background: linear-gradient(135deg, var(--mm-c6), var(--mm-c1)); color: #fff; }
.mm-ic-contrast { background: linear-gradient(90deg, #fff 0 50%, #000 50% 100%); color: transparent; }
.mm-ic-blind { background: linear-gradient(135deg, var(--mm-c2), var(--mm-c1)); color: #fff; }
.mm-ic-mockup { background: linear-gradient(135deg, var(--mm-c6), var(--mm-c5)); color: #fff; }
.mm-ic-css { background: var(--mm-bg-elev); color: var(--mm-c4); font-family: var(--mm-mono); font-size: 11px; font-weight: 700; letter-spacing: -1px; }
.mm-ic-share { background: linear-gradient(135deg, var(--mm-c6), var(--mm-c4)); color: #fff; }
.mm-ic-generator { background: linear-gradient(135deg, var(--mm-c4), var(--mm-c5)); color: #fff; }
.mm-ic-figma { background: linear-gradient(135deg, var(--mm-c1), var(--mm-c5) 50%, var(--mm-c4) 100%); color: #fff; }
.mm-ic-tailwind { background: linear-gradient(135deg, #38bdf8, #0ea5e9); color: #fff; }
.mm-ic-book { background: var(--mm-bg-elev); border-color: var(--mm-c5) !important; color: var(--mm-c5); }
.mm-ic-tutorial { background: var(--mm-bg-elev); border-color: var(--mm-c3) !important; color: var(--mm-c3); }
.mm-ic-blog { background: var(--mm-bg-elev); border-color: var(--mm-c4) !important; color: var(--mm-c4); }
.mm-ic-github { background: #181717; color: #fff; }
.mm-ic-discord { background: linear-gradient(135deg, #5865F2, #404EED); color: #fff; }
.mm-ic-x { background: #000; color: #fff; font-weight: 800; }
.mm-ic-vscode { background: linear-gradient(135deg, #0070f3, #00d4ff); color: #fff; }

/* ───── FEATURED column ───── */
.mm-featured {
    background: var(--mm-bg-elev);
    border-radius: 12px;
    padding: 18px;
    border: 1px solid var(--mm-line);
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: relative;
    overflow: hidden;
}
.mm-featured::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 130px;
    height: 130px;
    background: radial-gradient(circle, var(--mm-accent) 0%, transparent 70%);
    opacity: 0.22;
    pointer-events: none;
}
.mm-featured-tag {
    align-self: flex-start;
    font-family: var(--mm-mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--mm-c4);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
}
.mm-featured-tag i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--mm-c4);
    animation: mm-pulse 1.6s ease infinite;
}
@keyframes mm-pulse { 50% { opacity: 0.4; } }
.mm-featured h3 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.015em;
    margin: 0;
    line-height: 1.25;
    color: var(--mm-ink);
}
.mm-featured h3 em {
    font-style: normal;
    color: var(--mm-accent);
}
.mm-featured-palette {
    display: flex;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--mm-line);
}
.mm-featured-palette > div {
    flex: 1;
    display: flex;
    align-items: flex-end;
    padding: 8px;
    font-family: var(--mm-mono);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: flex 0.3s ease;
    color: rgba(255, 255, 255, 0.92);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45);
}
.mm-featured-palette > div:hover { flex: 1.4; }
.mm-featured-palette > div.mm-dark-on { color: rgba(0, 0, 0, 0.75); text-shadow: none; }
.mm-featured-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--mm-mono);
    font-size: 11px;
    color: var(--mm-muted);
}
.mm-featured-meta b { color: var(--mm-ink); font-weight: 700; }
.mm-featured-cta {
    display: flex;
    gap: 8px;
}
.mm-featured-cta button {
    flex: 1;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 7px;
    font-family: inherit;
    background: var(--mm-accent);
    color: #fff;
    border: 0;
    transition: background 0.15s ease;
}
.mm-featured-cta button:hover { background: var(--mm-accent-hover); }
.mm-featured-cta button.mm-ghost {
    background: transparent;
    color: var(--mm-ink);
    border: 1px solid var(--mm-line);
}
.mm-featured-cta button.mm-ghost:hover {
    border-color: var(--mm-accent);
    background: var(--mm-accent-soft);
}

/* Backdrop */
.mm-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    pointer-events: none;
    transition: background 0.25s ease;
    z-index: 40;
}
.mm-backdrop.mm-show {
    background: rgba(10, 10, 18, 0.55);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    pointer-events: auto;
}
:root[data-theme="light"] .mm-backdrop.mm-show {
    background: rgba(60, 60, 80, 0.3);
}

/* Responsive */
@media (max-width: 1024px) {
    .mm-mega-inner { grid-template-columns: 1fr 1fr; }
    .mm-mega-inner .mm-featured { grid-column: 1 / -1; }
    .mm-link { padding: 8px 10px; font-size: 13px; }
    .mm-search { min-width: 0; }
    .mm-search-text { display: none; }
    .mm-mega.mm-open { max-height: 1200px; }
}
@media (max-width: 720px) {
    .mm-links { display: none; }
    .mm-mega-inner { grid-template-columns: 1fr; }
    .mm-search { display: none; }
}

/* Experimental: Tools panel without icons, larger titles */
[data-panel="tools"] .mm-mega-link .mm-ic { display: none; }
[data-panel="tools"] .mm-mega-link {
    padding: 12px 12px;
    gap: 0;
}
[data-panel="tools"] .mm-mega-link .mm-body b {
    font-size: 16px;
    margin-bottom: 4px;
    letter-spacing: -0.01em;
}
[data-panel="tools"] .mm-mega-link .mm-body p {
    font-size: 13px;
}

/* View transitions integration */
.mm-nav { view-transition-name: mm-site-nav; }

/* The mount needs to be edge-to-edge even if the body has horizontal
   padding. This negates the project's usual 20px body padding and adds
   breathing room below the nav. */
#mega-nav-mount {
    margin-left: -20px;
    margin-right: -20px;
    margin-bottom: 28px;
}
@media (max-width: 720px) {
    .mm-nav-inner { gap: 12px; padding: 0 16px; height: 72px; }
    .mm-brand-img { height: 52px; }
}