/* =========================================================================
   register-nav-header.css
   Scoped Bauhaus header for /register-artist/ and /registerclosedbeta/.
   Does NOT touch .top-nav-header (used by other pages).
   ========================================================================= */

:root {
    --rnh-height: 72px;
    --rnh-gutter: 1.5rem;
    --rnh-border: var(--border-width, 3px) solid var(--fg);
    --rnh-ease: cubic-bezier(0.23, 1, 0.32, 1);
}

body:has(.register-nav-header) {
    padding-top: calc(var(--rnh-height) + 0.5rem);
}

.register-nav-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--rnh-height);
    background: var(--bg);
    border-bottom: var(--rnh-border);
    display: grid;
    grid-template-columns: auto auto 1fr auto;
    align-items: stretch;
    column-gap: 0;
    font-family: 'Inter', -apple-system, Helvetica, sans-serif;
    transition: background-color 0.4s var(--rnh-ease),
                border-color 0.4s var(--rnh-ease),
                transform 0.4s var(--rnh-ease);
}

.register-nav-header::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: var(--noise);
    opacity: 0.035;
    pointer-events: none;
    mix-blend-mode: multiply;
}

/* ---------- BRAND ---------- */
.rnh-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 var(--rnh-gutter);
    border-right: var(--rnh-border);
    text-decoration: none;
    color: var(--fg);
    transition: background-color 0.3s var(--rnh-ease);
}

.rnh-brand:hover {
    background: var(--primary-yellow);
}

.rnh-emblem {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    height: 16px;
}

.rnh-emblem-square,
.rnh-emblem-circle,
.rnh-emblem-triangle {
    display: block;
    width: 14px;
    height: 14px;
    transition: transform 0.4s var(--rnh-ease);
}

.rnh-emblem-square {
    background: var(--primary-red);
}

.rnh-emblem-circle {
    background: var(--primary-yellow);
    border-radius: 50%;
}

.rnh-emblem-triangle {
    background: var(--primary-blue);
    clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}

.rnh-brand:hover .rnh-emblem-square {
    transform: rotate(45deg);
}

.rnh-brand:hover .rnh-emblem-circle {
    transform: translateY(-3px);
}

.rnh-brand:hover .rnh-emblem-triangle {
    transform: rotate(-15deg);
}

.rnh-wordmark {
    font-weight: 900;
    font-size: 1.15rem;
    letter-spacing: -0.04em;
    line-height: 1;
    text-transform: uppercase;
    display: inline-flex;
    align-items: baseline;
    gap: 0;
}

.rnh-wordmark-umlaut {
    color: var(--primary-red);
    font-size: 1.25rem;
    margin: 0 0.04em;
    display: inline-block;
    transform: translateY(0.04em);
    transition: transform 0.4s var(--rnh-ease), color 0.4s var(--rnh-ease);
}

.rnh-brand:hover .rnh-wordmark-umlaut {
    transform: translateY(0.04em) rotate(360deg);
}

/* ---------- EDITION ---------- */
.rnh-edition {
    display: inline-flex;
    align-items: center;
    padding: 0 var(--rnh-gutter);
    border-right: var(--rnh-border);
    font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
    font-size: 0.68rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--fg);
    opacity: 0.78;
    white-space: nowrap;
}

.rnh-edition::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--primary-red);
    border-radius: 50%;
    margin-right: 0.6rem;
    animation: rnhPulse 2.4s var(--rnh-ease) infinite;
}

@keyframes rnhPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.55; }
}

/* ---------- NAV ---------- */
.rnh-nav {
    display: flex;
    align-items: stretch;
    justify-content: flex-end;
    padding-right: var(--rnh-gutter);
    gap: 0.25rem;
}

.rnh-nav[hidden] { display: none !important; }

.rnh-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 0 1rem;
    font-weight: 900;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--fg);
    text-decoration: none;
    transition: color 0.3s var(--rnh-ease);
}

.rnh-link::after {
    content: "";
    position: absolute;
    left: 1rem;
    right: 1rem;
    bottom: 18px;
    height: 3px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.4s var(--rnh-ease);
}

.rnh-link:hover::after {
    transform: scaleX(1);
}

/* Rotating Bauhaus color per link position */
.rnh-nav .rnh-link:nth-child(3n+1)::after { background: var(--primary-red); }
.rnh-nav .rnh-link:nth-child(3n+2)::after { background: var(--primary-yellow); }
.rnh-nav .rnh-link:nth-child(3n+3)::after { background: var(--primary-blue); }

/* When authenticated, hide public nav, show auth nav */
body.menu-authenticated .rnh-nav-public { display: none !important; }

/* Default state: auth nav hidden via [hidden] attribute; main.js unhides when authed */

/* ---------- ACTIONS ---------- */
.rnh-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0 var(--rnh-gutter) 0 1rem;
    border-left: var(--rnh-border);
    height: 100%;
}

.rnh-login {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.55rem 1rem;
    border: var(--rnh-border);
    background: var(--primary-red);
    color: #F2F0E9;
    font-family: inherit;
    font-weight: 900;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.25s var(--rnh-ease),
                background-color 0.3s var(--rnh-ease),
                box-shadow 0.25s var(--rnh-ease),
                color 0.3s var(--rnh-ease);
    box-shadow: 4px 4px 0 0 var(--fg);
}

.rnh-login svg {
    transition: transform 0.3s var(--rnh-ease);
}

.rnh-login:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 0 var(--fg);
    background: var(--primary-blue);
}

.rnh-login:hover svg {
    transform: translateX(3px);
}

.rnh-login:active {
    transform: translate(2px, 2px);
    box-shadow: 0 0 0 0 var(--fg);
}

.rnh-theme {
    width: 40px;
    height: 40px;
    border: var(--rnh-border);
    background: var(--bg);
    color: var(--fg);
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-weight: 700;
    font-size: 1.1rem;
    line-height: 1;
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s var(--rnh-ease),
                transform 0.4s var(--rnh-ease),
                color 0.3s var(--rnh-ease);
}

.rnh-theme:hover {
    background: var(--primary-yellow);
    transform: rotate(180deg);
    color: var(--fg);
}

/* ---------- BURGER ---------- */
.rnh-burger {
    display: none;
    width: 40px;
    height: 40px;
    border: var(--rnh-border);
    background: var(--bg);
    cursor: pointer;
    padding: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    transition: background-color 0.3s var(--rnh-ease);
}

.rnh-burger i {
    display: block;
    width: 18px;
    height: 3px;
    transition: transform 0.35s var(--rnh-ease),
                opacity 0.25s var(--rnh-ease),
                background-color 0.3s var(--rnh-ease);
}

.rnh-burger i:nth-child(1) { background: var(--primary-red); }
.rnh-burger i:nth-child(2) { background: var(--primary-yellow); }
.rnh-burger i:nth-child(3) { background: var(--primary-blue); }

.rnh-burger[aria-expanded="true"] i:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background: var(--fg);
}

.rnh-burger[aria-expanded="true"] i:nth-child(2) {
    opacity: 0;
}

.rnh-burger[aria-expanded="true"] i:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
    background: var(--fg);
}

/* ---------- MOBILE DRAWER ---------- */
.rnh-drawer {
    position: fixed;
    top: var(--rnh-height);
    right: 0;
    bottom: 0;
    width: min(82vw, 360px);
    background: var(--bg);
    border-left: var(--rnh-border);
    z-index: 999;
    transform: translateX(101%);
    transition: transform 0.45s var(--rnh-ease);
    display: flex;
    flex-direction: column;
    padding: 2rem 1.5rem;
    overflow-y: auto;
}

.rnh-drawer[aria-hidden="false"] {
    transform: translateX(0);
    box-shadow: -12px 0 0 0 var(--fg);
}

.rnh-drawer-label {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    opacity: 0.6;
    margin-bottom: 1rem;
    padding-left: 0.5rem;
    border-left: 3px solid var(--primary-red);
}

.rnh-drawer-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.1rem 0.5rem;
    border-bottom: 1px solid var(--fg);
    font-weight: 900;
    font-size: 1rem;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    color: var(--fg);
    text-decoration: none;
    transition: padding 0.25s var(--rnh-ease),
                color 0.3s var(--rnh-ease);
}

.rnh-drawer-link::after {
    content: "→";
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-weight: 400;
    opacity: 0;
    transform: translateX(-6px);
    transition: opacity 0.25s var(--rnh-ease),
                transform 0.25s var(--rnh-ease);
}

.rnh-drawer-link:hover {
    padding-left: 1rem;
    color: var(--primary-red);
}

.rnh-drawer-link:hover::after {
    opacity: 1;
    transform: translateX(0);
}

.rnh-drawer-link:first-of-type { border-top: 1px solid var(--fg); }

/* Drawer auth/public visibility mirrors the header nav behaviour. */
.rnh-drawer .rnh-drawer-auth { display: none; }
body.menu-authenticated .rnh-drawer .rnh-drawer-auth { display: flex; }
body.menu-authenticated .rnh-drawer .rnh-drawer-public { display: none; }

.rnh-drawer-footer {
    margin-top: auto;
    padding-top: 1.5rem;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    opacity: 0.5;
    text-transform: uppercase;
}

.rnh-drawer-backdrop {
    position: fixed;
    inset: var(--rnh-height) 0 0 0;
    background: rgba(10, 10, 10, 0.35);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s var(--rnh-ease);
}

.rnh-drawer-backdrop[aria-hidden="false"] {
    opacity: 1;
    pointer-events: auto;
}

/* ---------- DARK MODE OVERRIDES ---------- */
.dark-mode .register-nav-header {
    background: var(--bg);
    border-bottom-color: var(--fg);
}

.dark-mode .rnh-login {
    color: var(--fg);
    box-shadow: 4px 4px 0 0 var(--fg);
}

.dark-mode .rnh-login:hover {
    background: var(--primary-yellow);
    color: var(--text-on-light);
}

.dark-mode .rnh-theme:hover {
    background: var(--primary-blue);
    color: var(--bg);
}

.dark-mode .rnh-brand:hover {
    background: var(--primary-blue);
    color: var(--bg);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 960px) {
    .rnh-edition {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --rnh-height: 60px;
        --rnh-gutter: 1rem;
    }

    .register-nav-header {
        grid-template-columns: auto 1fr auto;
    }

    .rnh-nav {
        display: none;
    }

    .rnh-burger {
        display: inline-flex;
    }

    .rnh-login {
        display: none;
    }

    .rnh-theme {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .rnh-wordmark {
        font-size: 1rem;
    }
}

@media (max-width: 420px) {
    .rnh-brand {
        padding: 0 0.85rem;
        gap: 0.5rem;
    }

    .rnh-emblem {
        gap: 3px;
    }

    .rnh-emblem-square,
    .rnh-emblem-circle,
    .rnh-emblem-triangle {
        width: 12px;
        height: 12px;
    }
}

/* ---------- PAGE-SPECIFIC: register-artist already has a back-arrow in the form header.
   When the nav header is fixed on top, offset the form container slightly. */
body.register-artist-page .register-container,
body:has(.register-nav-header) .register-container {
    padding-top: 2rem;
}