/* ==========================================
   Sidebar Header Style - CLEAN VERSION 2.0
   ========================================== */

/* ==========================================
   BASE DESKTOP STYLES (≥769px)
   ========================================== */

/* Base structure - sidebar framework */
.site-header {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    background: #FCF4EE;
    border-right: 1px solid rgba(184, 153, 138, 0.25);
    box-shadow: 4px 0 24px rgba(44, 36, 22, 0.08);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    padding: 2rem 0;
    overflow-y: auto;
    /* Collapsed width as base */
    width: 60px;
}

/* EXPLICIT collapsed state - HIGHER SPECIFICITY */
.site-header.collapsed {
    width: 60px;
}

/* Main content margin matches collapsed sidebar */
.site-main {
    margin-left: 60px;
}

/* Logo und Navigation: versteckt im collapsed state */
.sidebar-logo,
.main-nav {
    opacity: 0;
    visibility: hidden;
}

/* ==========================================
   DESKTOP HOVER & EXPANDED (≥769px)
   ========================================== */
@media (min-width: 769px) {
    /* Hover auf collapsed sidebar - temporär expandieren */
    .site-header.collapsed:hover {
        width: 280px;
    }

    .site-header.collapsed:hover .sidebar-logo,
    .site-header.collapsed:hover .main-nav {
        opacity: 1;
        visibility: visible;
    }

    /* Permanente expanded state (collapsed class removed) */
    .site-header:not(.collapsed) {
        width: 280px;
    }

    .site-header:not(.collapsed) .sidebar-logo,
    .site-header:not(.collapsed) .main-nav {
        opacity: 1;
        visibility: visible;
    }

    .site-header:not(.collapsed) ~ .site-main {
        margin-left: 280px;
    }

    /* Transitions - ERST nach Page Load - Ruhige, entspannte Animation */
    .site-header.transitions-enabled {
        transition: width 0.6s ease;
    }

    .site-header.transitions-enabled .sidebar-logo,
    .site-header.transitions-enabled .main-nav {
        transition: opacity 0.6s ease, visibility 0.6s ease;
    }

    .site-header.transitions-enabled ~ .site-main {
        transition: margin-left 0.6s ease;
    }
}

/* ==========================================
   SIDEBAR COMPONENTS
   ========================================== */
.site-header .container {
    max-width: 100%;
    padding: 0;
}

.header-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: 2.5rem;
}

/* Sidebar Logo */
.sidebar-logo {
    padding: 0 2rem;
    text-align: center;
}

.sidebar-logo a {
    display: inline-block;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.sidebar-logo a:hover {
    opacity: 0.85;
}

.sidebar-logo-img {
    width: 220px;
    height: 220px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.sidebar-logo .logo-text {
    font-family: var(--font-primary);
    font-size: 1.75rem;
    color: var(--color-text);
    font-weight: 500;
}

/* Navigation */
.main-nav {
    flex: 1;
    display: flex;
}

.nav-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100%;
}

.nav-item {
    width: 100%;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    padding: 1rem 1.5rem;
    display: block;
    position: relative;
    transition: all 0.2s ease;
    letter-spacing: 0.01em;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 50%;
    background-color: var(--color-primary);
    border-radius: 0 4px 4px 0;
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background-color: rgba(184, 153, 138, 0.08);
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 4px;
}

.nav-item-cta {
    margin-top: auto;
    padding: 2.5rem 1.5rem 0;
}

.nav-item-cta .btn {
    width: 100%;
    text-align: center;
    padding: 1rem;
    font-size: 0.9375rem;
}

/* Mobile Logo */
.mobile-logo {
    display: none;
}

.mobile-logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.mobile-logo-text {
    display: none;
    font-family: var(--font-primary);
    font-size: 1.5rem;
    color: var(--color-text);
    font-weight: 500;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
}

/* Sidebar Toggle Button */
.sidebar-toggle {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    background: var(--color-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 2px 8px rgba(44, 36, 22, 0.2);
    transition: background 0.3s ease;
    z-index: 1001;
}

.sidebar-toggle:hover {
    background: var(--color-primary-dark);
}

.sidebar-toggle svg {
    width: 18px;
    height: 18px;
    transition: transform 0.6s ease;
}

/* Expanded: Toggle bleibt rechts, Icon normal */
.site-header:not(.collapsed) .sidebar-toggle {
    right: 1rem;
    transform: none;
}

.site-header:not(.collapsed) .sidebar-toggle:hover {
    transform: scale(1.1);
}

.site-header:not(.collapsed) .sidebar-toggle svg {
    transform: rotate(0deg);
}

/* Collapsed: Toggle zentriert, Icon gedreht */
@media (min-width: 769px) {
    .site-header.collapsed .sidebar-toggle {
        left: 50%;
        right: auto;
        transform: translateX(-50%);
    }

    .site-header.collapsed .sidebar-toggle:hover {
        transform: translateX(-50%) scale(1.1);
    }

    .site-header.collapsed .sidebar-toggle svg {
        transform: rotate(180deg);
    }

    /* Beim Hover: Toggle auch rechts */
    .site-header.collapsed:hover .sidebar-toggle {
        left: auto;
        right: 1rem;
        transform: none;
    }

    .site-header.collapsed:hover .sidebar-toggle:hover {
        transform: scale(1.1);
    }

    .site-header.collapsed:hover .sidebar-toggle svg {
        transform: rotate(0deg);
    }
}

/* ==========================================
   TABLET (769px - 968px)
   ========================================== */
@media (max-width: 968px) and (min-width: 769px) {
    .site-header:not(.collapsed) {
        width: 240px;
    }

    .site-header.collapsed:hover {
        width: 240px;
    }

    .site-header:not(.collapsed) ~ .site-main {
        margin-left: 240px;
    }

    .sidebar-logo-img {
        width: 180px;
        height: 180px;
    }
}

/* ==========================================
   MOBILE (≤768px)
   ========================================== */
@media (max-width: 768px) {
    /* WICHTIG: Überschreibe ALLE Desktop-Regeln! */
    .site-header,
    .site-header.collapsed,
    .site-header:not(.collapsed),
    .site-header.collapsed:hover {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        width: 100vw;
        height: 70px;
        padding: 0;
        flex-direction: row;
        border-right: none;
        border-bottom: 1px solid rgba(184, 153, 138, 0.2);
        box-shadow: 0 2px 12px rgba(44, 36, 22, 0.08);
        overflow: visible;
    }

    /* Sidebar Logo ausblenden - ALLE Varianten */
    .sidebar-logo,
    .site-header .sidebar-logo,
    .site-header.collapsed .sidebar-logo,
    .site-header:not(.collapsed) .sidebar-logo {
        display: none;
        opacity: 1;
        visibility: visible;
    }

    /* Mobile Logo anzeigen */
    .mobile-logo {
        display: flex;
        align-items: center;
        padding: 0;
        margin: 0;
        flex-shrink: 0;
        order: 1;
    }

    .mobile-logo-img {
        height: 50px;
        width: auto;
        max-width: 150px;
    }

    .mobile-logo .mobile-logo-text {
        display: block;
        font-size: 1.75rem;
    }

    /* Sidebar Toggle verstecken */
    .sidebar-toggle {
        display: none;
    }

    /* Header Content */
    .header-content {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 0;
        padding: 0;
        height: 100%;
        width: 100%;
    }

    .site-header .container {
        width: 100%;
        max-width: 100%;
        padding: 0 1.5rem;
        height: 100%;
        display: flex;
        align-items: center;
    }

    /* Mobile Menu Toggle */
    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 0.75rem;
        z-index: 1001;
        position: relative;
        margin: 0;
        flex-shrink: 0;
        order: 2;
    }

    .mobile-menu-toggle span {
        display: block;
        width: 26px;
        height: 2.5px;
        background-color: var(--color-primary);
        transition: all 0.5s ease;
        border-radius: 3px;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    /* Mobile Navigation - Überschreibe Desktop Regeln */
    .main-nav,
    .site-header .main-nav,
    .site-header.collapsed .main-nav,
    .site-header:not(.collapsed) .main-nav,
    .site-header.collapsed:hover .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        width: 100vw;
        max-height: 0;
        background: #FCF4EE;
        box-shadow: 0 8px 32px rgba(44, 36, 22, 0.2);
        transition: max-height 0.6s ease, opacity 0.5s ease;
        z-index: 999;
        overflow: hidden;
        padding: 0;
        margin: 0;
        flex: none;
        display: block;
        opacity: 0;
        visibility: hidden;
    }

    .main-nav.active,
    .site-header .main-nav.active,
    .site-header.collapsed .main-nav.active,
    .site-header:not(.collapsed) .main-nav.active {
        max-height: 600px;
        overflow-y: auto;
        padding: 2rem 0 2.5rem;
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        padding: 0.5rem 0;
        display: flex;
        flex-direction: column;
        align-items: stretch;
    }

    .nav-link {
        padding: 1rem 2rem;
        font-size: 1.125rem;
        text-align: center;
        border-bottom: 1px solid rgba(184, 153, 138, 0.1);
        position: static;
    }

    .nav-link::before {
        display: none;
    }

    .nav-link:hover {
        background: rgba(184, 153, 138, 0.08);
    }

    .nav-link.active {
        color: var(--color-primary);
        background: rgba(184, 153, 138, 0.12);
    }

    .nav-item-cta {
        padding: 1.5rem 2rem 0.5rem;
        margin-top: 0.5rem;
        border-bottom: none;
    }

    .nav-item-cta .btn {
        padding: 1.125rem 2rem;
        font-size: 1.0625rem;
        width: 100%;
    }

    /* Main Content */
    .site-main {
        margin-left: 0;
        padding-top: 90px;
    }
}

/* Overlay for Mobile Menu */
.nav-overlay {
    display: none;
}

@media (max-width: 768px) {
    .nav-overlay {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: rgba(44, 36, 22, 0.5);
        backdrop-filter: blur(3px);
        z-index: 998;
        opacity: 0;
        transition: opacity 0.5s ease;
    }

    .nav-overlay.active {
        display: block;
        opacity: 1;
    }
}