/* ============================================================
   RX Lohmann Mobile Menu – Styles
   ============================================================ */

/* ---- Variables ---- */
:root {
    --rx-burger-size: 28px;
    --rx-burger-line-h: 3px;
    --rx-burger-gap: 7px;
    --rx-burger-color: #1d1d1f;
    --rx-panel-bg: #ffffff;
    --rx-panel-width: 340px;
    --rx-panel-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
    --rx-overlay-bg: rgba(0, 0, 0, 0.45);
    --rx-accent: #0075ad;
    --rx-text: #1d1d1f;
    --rx-text-light: #6e6e73;
    --rx-divider: #e5e5e7;
    --rx-transition-fast: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --rx-transition-panel: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Hidden by default; breakpoint is set via inline <style> from PHP ---- */
.rx-mobile-menu-wrapper {
    display: none;
}

/* ============================================================
   Burger Button
   ============================================================ */
.rx-burger {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 10001;
    -webkit-tap-highlight-color: transparent;
}

.rx-burger__line {
    display: block;
    width: var(--rx-burger-size);
    height: var(--rx-burger-line-h);
    background-color: var(--rx-burger-color);
    border-radius: 2px;
    transition:
        transform var(--rx-transition-fast),
        opacity var(--rx-transition-fast),
        background-color var(--rx-transition-fast);
    pointer-events: none;
}

.rx-burger__line + .rx-burger__line {
    margin-top: var(--rx-burger-gap);
}

/* ---- Burger → X animation ---- */
.rx-burger.is-active .rx-burger__line:nth-child(1) {
    transform: translateY(calc(var(--rx-burger-gap) + var(--rx-burger-line-h))) rotate(45deg);
}

.rx-burger.is-active .rx-burger__line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.rx-burger.is-active .rx-burger__line:nth-child(3) {
    transform: translateY(calc(-1 * (var(--rx-burger-gap) + var(--rx-burger-line-h)))) rotate(-45deg);
}

/* ============================================================
   Overlay
   ============================================================ */
.rx-mobile-overlay {
    position: fixed;
    inset: 0;
    background: var(--rx-overlay-bg);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition:
        opacity var(--rx-transition-panel),
        visibility var(--rx-transition-panel);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}

.rx-mobile-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

/* ============================================================
   Slide-in Panel
   ============================================================ */
.rx-mobile-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: var(--rx-panel-width);
    max-width: 85vw;
    height: 100%;
    background: var(--rx-panel-bg);
    box-shadow: var(--rx-panel-shadow);
    z-index: 9999;
    transform: translateX(100%);
    transition: transform var(--rx-transition-panel);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.rx-mobile-panel.is-open {
    transform: translateX(0);
}

/* ---- Panel header ---- */
.rx-mobile-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--rx-divider);
    flex-shrink: 0;
}

.rx-mobile-panel__title {
    font-size: 15px;
    font-weight: 700;
    color: var(--rx-text);
    letter-spacing: 0.02em;
    line-height: 1.4;
}

.rx-mobile-panel__subtitle {
    font-size: 13px;
    font-weight: 400;
    color: var(--rx-text-light);
    letter-spacing: 0.01em;
}

/* ---- Navigation list ---- */
.rx-mobile-panel__nav {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 8px 0;
}

ul.rx-mobile-nav {
    list-style: none;
    margin: 0;
    padding: 0;
}

ul.rx-mobile-nav li {
    opacity: 0;
    transform: translateX(20px);
}

.rx-mobile-panel.is-open ul.rx-mobile-nav li {
    animation: rx-slide-in var(--rx-transition-fast) forwards;
}

/* Staggered entrance for up to 15 items */
.rx-mobile-panel.is-open ul.rx-mobile-nav > li:nth-child(1)  { animation-delay: 0.08s; }
.rx-mobile-panel.is-open ul.rx-mobile-nav > li:nth-child(2)  { animation-delay: 0.12s; }
.rx-mobile-panel.is-open ul.rx-mobile-nav > li:nth-child(3)  { animation-delay: 0.16s; }
.rx-mobile-panel.is-open ul.rx-mobile-nav > li:nth-child(4)  { animation-delay: 0.20s; }
.rx-mobile-panel.is-open ul.rx-mobile-nav > li:nth-child(5)  { animation-delay: 0.24s; }
.rx-mobile-panel.is-open ul.rx-mobile-nav > li:nth-child(6)  { animation-delay: 0.28s; }
.rx-mobile-panel.is-open ul.rx-mobile-nav > li:nth-child(7)  { animation-delay: 0.32s; }
.rx-mobile-panel.is-open ul.rx-mobile-nav > li:nth-child(8)  { animation-delay: 0.36s; }
.rx-mobile-panel.is-open ul.rx-mobile-nav > li:nth-child(9)  { animation-delay: 0.40s; }
.rx-mobile-panel.is-open ul.rx-mobile-nav > li:nth-child(10) { animation-delay: 0.44s; }
.rx-mobile-panel.is-open ul.rx-mobile-nav > li:nth-child(11) { animation-delay: 0.48s; }
.rx-mobile-panel.is-open ul.rx-mobile-nav > li:nth-child(12) { animation-delay: 0.52s; }
.rx-mobile-panel.is-open ul.rx-mobile-nav > li:nth-child(13) { animation-delay: 0.56s; }
.rx-mobile-panel.is-open ul.rx-mobile-nav > li:nth-child(14) { animation-delay: 0.60s; }
.rx-mobile-panel.is-open ul.rx-mobile-nav > li:nth-child(15) { animation-delay: 0.64s; }

@keyframes rx-slide-in {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ---- Menu links ---- */
ul.rx-mobile-nav a {
    display: block;
    padding: 14px 24px;
    color: var(--rx-text);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: -0.01em;
    position: relative;
    transition:
        background-color var(--rx-transition-fast),
        color var(--rx-transition-fast);
}

ul.rx-mobile-nav a::after {
    content: "";
    position: absolute;
    left: 24px;
    right: 24px;
    bottom: 0;
    height: 1px;
    background: var(--rx-divider);
}

ul.rx-mobile-nav > li:last-child > a::after {
    display: none;
}

ul.rx-mobile-nav a:hover,
ul.rx-mobile-nav a:focus-visible {
    background-color: #f5f5f7;
    color: var(--rx-accent);
}

ul.rx-mobile-nav .current-menu-item > a,
ul.rx-mobile-nav .current_page_item > a {
    color: var(--rx-accent);
    font-weight: 600;
}

/* ---- Sub-menus ---- */
ul.rx-mobile-nav ul.sub-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

ul.rx-mobile-nav ul.sub-menu a {
    padding-left: 44px;
    font-size: 15px;
    font-weight: 400;
    color: var(--rx-text-light);
}

ul.rx-mobile-nav ul.sub-menu a::after {
    left: 44px;
}

ul.rx-mobile-nav ul.sub-menu ul.sub-menu a {
    padding-left: 64px;
    font-size: 14px;
}

ul.rx-mobile-nav ul.sub-menu ul.sub-menu a::after {
    left: 64px;
}

/* ============================================================
   Body scroll lock
   ============================================================ */
body.rx-menu-open {
    overflow: hidden;
}

/* ============================================================
   Focus styles
   ============================================================ */
.rx-burger:focus-visible,
ul.rx-mobile-nav a:focus-visible {
    outline: 2px solid var(--rx-accent);
    outline-offset: 2px;
}