/* ── lowres — shared site navbar ── */

:root {
    --site-nav-h: 64px;
    --nav-h: var(--site-nav-h);
    --header-h: var(--site-nav-h);
    --site-nav-font: 'Inter', system-ui, sans-serif;
    --site-nav-mono: 'IBM Plex Mono', ui-monospace, monospace;
    --site-nav-pixel: 'Press Start 2P', monospace;
    --site-nav-bg: rgba(9, 9, 11, 0.82);
    --site-nav-border: rgba(255, 255, 255, 0.06);
    --site-nav-text: #fafafa;
    --site-nav-muted: #71717a;
    --site-nav-accent: #8b5cf6;
    --site-nav-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    height: var(--site-nav-h);
    display: flex;
    align-items: center;
    padding: 0 1rem;
    transition: background 0.3s var(--site-nav-ease), border-color 0.3s var(--site-nav-ease);
}

.site-nav--grid {
    position: relative;
    grid-area: head;
    height: auto;
    min-height: var(--site-nav-h);
    padding: 0.5rem 1rem;
    z-index: 10;
}

.site-nav--scrolled {
    background: var(--site-nav-bg);
    backdrop-filter: blur(16px) saturate(1.3);
    border-bottom: 1px solid var(--site-nav-border);
}

.site-nav--grid.site-nav--scrolled {
    background: transparent;
    border-bottom: none;
}

.site-nav__glass {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
}

.site-nav--grid .site-nav__menu {
    display: none;
}

.site-nav--grid .site-nav__slot {
    margin-left: auto;
}

.site-nav--grid .site-nav__glass {
    max-width: none;
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    background: rgba(8, 7, 14, 0.72);
    backdrop-filter: blur(24px) saturate(1.3);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.site-nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    min-height: calc(var(--site-nav-h) - 1rem);
}

.site-nav__brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
    min-width: 0;
}

.site-nav__logo {
    display: inline-flex;
    align-items: baseline;
    line-height: 1;
    text-decoration: none;
    padding: 0.35rem 0.55rem;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.28);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: border-color 0.2s var(--site-nav-ease), background 0.2s var(--site-nav-ease), transform 0.2s var(--site-nav-ease);
}

.site-nav__logo:hover {
    border-color: rgba(163, 148, 196, 0.28);
    background: rgba(163, 148, 196, 0.08);
    transform: translateY(-1px);
}

.site-nav__logo-low {
    font-family: var(--site-nav-font);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    background: linear-gradient(135deg, #eae6e0 25%, #c8bbec 65%, #a2c8ee 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-nav__logo-res {
    font-family: var(--site-nav-pixel);
    font-size: 0.48rem;
    letter-spacing: 0.02em;
    margin-left: 1px;
    position: relative;
    top: -2px;
    background: linear-gradient(135deg, #c8bbec, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-nav__context {
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
    padding-left: 0.15rem;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.site-nav__context:not([hidden]) {
    display: flex;
}

.site-nav__context-title {
    font-family: var(--site-nav-font);
    font-size: 0.84rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: rgba(250, 250, 250, 0.92);
    line-height: 1;
    text-transform: lowercase;
}

.site-nav__context-sub {
    font-family: var(--site-nav-mono);
    font-size: 0.62rem;
    letter-spacing: 0.07em;
    text-transform: lowercase;
    color: rgba(163, 148, 196, 0.55);
    line-height: 1;
}

.site-nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 0;
    margin-left: auto;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
}

.site-nav__toggle span {
    display: block;
    width: 16px;
    height: 2px;
    margin: 0 auto;
    background: rgba(250, 250, 250, 0.75);
    border-radius: 1px;
    transition: transform 0.2s var(--site-nav-ease), opacity 0.2s var(--site-nav-ease);
}

.site-nav__toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-nav__toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.site-nav__toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.site-nav__menu {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-left: auto;
}

.site-nav__links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.site-nav__links a {
    font-family: var(--site-nav-font);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--site-nav-muted);
    text-decoration: none;
    transition: color 0.2s var(--site-nav-ease);
}

.site-nav__links a:hover,
.site-nav__links a.is-active {
    color: #e4e4e7;
}

.site-nav__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.site-nav__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 34px;
    padding: 0 0.9rem;
    font-family: var(--site-nav-font);
    font-size: 0.84rem;
    font-weight: 500;
    border-radius: 8px;
    border: 1px solid transparent;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s var(--site-nav-ease), border-color 0.2s var(--site-nav-ease), color 0.2s var(--site-nav-ease);
}

.site-nav__btn--ghost {
    color: #d4d4d8;
    border-color: rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
}

.site-nav__btn--ghost:hover {
    color: #fafafa;
    border-color: rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.06);
}

.site-nav__btn--primary {
    color: #fff;
    background: linear-gradient(180deg, #9b7fe8 0%, #7c5cd6 100%);
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.12) inset, 0 8px 24px rgba(139, 92, 246, 0.22);
}

.site-nav__btn--primary:hover {
    filter: brightness(1.06);
}

.site-nav__slot {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-left: 0.5rem;
}

.site-nav__slot:empty {
    display: none;
}

/* Editor toolbar (RPC designer slot) */
.editor-toolbar {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.editor-toolbar__group {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.editor-toolbar__sep {
    width: 1px;
    height: 28px;
    margin: 0 0.25rem;
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.editor-toolbar__btn {
    font-family: 'DM Sans', var(--site-nav-font);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    height: 32px;
    padding: 0 0.65rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: rgba(234, 230, 224, 0.72);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 8px;
    cursor: pointer;
    text-transform: lowercase;
    transition: background 0.2s var(--site-nav-ease), border-color 0.2s var(--site-nav-ease), color 0.2s var(--site-nav-ease);
}

.editor-toolbar__btn:hover {
    color: rgba(234, 230, 224, 0.95);
    border-color: rgba(163, 148, 196, 0.28);
    background: rgba(163, 148, 196, 0.1);
}

.editor-toolbar__btn--primary {
    color: #0a0a0b;
    background: linear-gradient(180deg, #eae6e0, #c8bbec);
    border-color: rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

.editor-toolbar__btn--icon {
    width: 32px;
    padding: 0;
    justify-content: center;
}

.editor-toolbar__dropdown-wrap {
    position: relative;
}

.editor-toolbar__dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 140px;
    padding: 0.35rem;
    border-radius: 10px;
    background: rgba(12, 11, 18, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
    z-index: 50;
}

.editor-toolbar__dropdown[hidden] {
    display: none;
}

.editor-toolbar__dropdown button {
    display: block;
    width: 100%;
    padding: 0.5rem 0.65rem;
    text-align: left;
    font-family: 'DM Sans', var(--site-nav-font);
    font-size: 0.75rem;
    font-weight: 500;
    color: rgba(234, 230, 224, 0.55);
    background: none;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-transform: lowercase;
}

.editor-toolbar__dropdown button:hover {
    background: rgba(163, 148, 196, 0.12);
    color: #a394c4;
}

@media (max-width: 900px) {
    .site-nav__toggle {
        display: flex;
    }

    .site-nav__menu {
        position: fixed;
        top: var(--site-nav-h);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 1rem;
        background: rgba(9, 9, 11, 0.96);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--site-nav-border);
        transform: translateY(-8px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s var(--site-nav-ease), transform 0.2s var(--site-nav-ease);
    }

    .site-nav__menu.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .site-nav--grid .site-nav__menu {
        display: flex;
    }

    .site-nav__links {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
        padding-bottom: 0.75rem;
        border-bottom: 1px solid var(--site-nav-border);
        margin-bottom: 0.75rem;
    }

    .site-nav__links a {
        width: 100%;
        padding: 0.55rem 0;
    }

    .site-nav__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .site-nav__btn {
        width: 100%;
    }

    .site-nav--grid .site-nav__inner {
        flex-wrap: wrap;
    }

    .site-nav__slot {
        order: 4;
        width: 100%;
        margin: 0.5rem 0 0;
        overflow-x: auto;
    }
}

@media (max-width: 700px) {
    .site-nav__context {
        display: none !important;
    }
}