:root {
    --bg:           var(--lmb-bg-dark);
    --bg-2:         var(--lmb-bg-surface);
    --bg-3:         var(--lmb-bg-surface-hover);
    --surface:      #1e2535; /* Adjusted for contrast */
    --surface-2:    #242c3d;
    --border:       rgba(255,255,255,0.06);
    --border-hover: rgba(255,255,255,0.12);

    --text-primary:   var(--lmb-text-main);
    --text-secondary: #cbd5e1;
    --text-muted:     var(--lmb-text-muted);

    --accent:       var(--lmb-primary);
    --accent-light: rgba(99, 102, 241, 0.15);
    --accent-glow:  rgba(99, 102, 241, 0.3);

    --col-betrieb:  #1e3a5f;
    --col-schule:   #1a3d2b;
    --col-uek:      #3d2b1a;
    --col-betrieb-text: #7ab8f5;
    --col-schule-text:  #6ece8c;
    --col-uek-text:     #f5b06e;

    --radius-sm: 8px;
    --radius-md: var(--lmb-radius-md);
    --radius-lg: 16px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);

    --sidebar-w: 280px;
    --header-h: 60px;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
    overflow-x: hidden;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', system-ui, sans-serif;
    font-size: 14px;
    background: var(--bg);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ============================================
   HEADER
   ============================================ */
.app-header {
    height: var(--header-h);
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 0 1.25rem;
    z-index: 100;
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-left h1 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.header-logo-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
}

.api-link {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    transition: all var(--transition);
    white-space: nowrap;
}
.api-link:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.dropdown-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-group label {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
    white-space: nowrap;
}

.dropdown-group select {
    appearance: none;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.4rem 2rem 0.4rem 0.7rem;
    border-radius: var(--radius-md);
    font-size: 0.83rem;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%238b96b0' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1.1rem;
}
.dropdown-group select:hover,
.dropdown-group select:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 2px var(--accent-light);
}

.header-search {
    flex: 1;
    max-width: 380px;
}

.header-search input {
    width: 100%;
    padding: 0.45rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.83rem;
    transition: all var(--transition);
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.search-highlight {
    background: rgba(255, 220, 80, 0.25);
    color: #fde88a;
    padding: 0 2px;
    border-radius: 3px;
}

/* ============================================
   LAYOUT
   ============================================ */
.app-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ============================================
   SIDEBAR
   ============================================ */
.app-sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    background: var(--bg-2);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-section {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-section-header {
    padding: 0.85rem 1rem 0.6rem;
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.sidebar-scroll {
    overflow-y: auto;
    flex: 1;
    padding: 0.5rem;
}
.sidebar-scroll::-webkit-scrollbar { width: 4px; }
.sidebar-scroll::-webkit-scrollbar-track { background: transparent; }
.sidebar-scroll::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 4px; }

/* Separator between sidebar sections */
.sidebar-divider {
    height: 1px;
    background: var(--border);
    margin: 0;
    flex-shrink: 0;
}

.sidebar-dossier-section {
    flex-shrink: 0;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    background: var(--bg-2);
}

.sidebar-dossier-section.is-expanded {
    flex: 1; /* Grows upwards! */
}

.sidebar-dossier-content {
    padding: 0.25rem 0.5rem;
    max-height: 200px;
    overflow-y: auto;
    transition: max-height 0.4s ease;
}

.sidebar-dossier-section.is-expanded .sidebar-dossier-content {
    max-height: 80vh;
    flex: 1;
}

.sidebar-dossier-section.is-expanded .expand-icon {
    transform: rotate(180deg);
}

/* Footer height adjustment */
.lmb-footer {
    padding: 0.75rem 0 !important;
}
.lmb-footer-brand img {
    width: 24px !important;
    height: 24px !important;
}

.sidebar-legal-links,
.sidebar-a11y-toggle {
    display: none;
}


/* ============================================
   MAIN CONTENT
   ============================================ */
.app-content {
    flex: 1;
    overflow-y: auto;
    background: var(--bg);
    display: flex;
    flex-direction: column;
}
.app-content::-webkit-scrollbar { width: 6px; }
.app-content::-webkit-scrollbar-track { background: transparent; }
.app-content::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 4px; }

/* ============================================
   FILTER BAR
   ============================================ */
.filter-bar {
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    padding: 0.65rem 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.25rem;
    flex-shrink: 0;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.filter-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-right: 0.2rem;
    white-space: nowrap;
}

.filter-sep {
    width: 1px;
    height: 18px;
    background: var(--border);
}

.chip {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.78rem;
    font-weight: 500;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
    transition: all var(--transition);
}
.chip:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}
.chip input[type="checkbox"] {
    display: none;
}
.chip:has(input:checked) {
    background: var(--accent-light);
    border-color: var(--accent);
    color: var(--accent);
}

.chip.chip-betrieb:has(input:checked)  { background: rgba(122,184,245,0.12); border-color: var(--col-betrieb-text); color: var(--col-betrieb-text); }
.chip.chip-schule:has(input:checked)   { background: rgba(110,206,140,0.12); border-color: var(--col-schule-text); color: var(--col-schule-text); }
.chip.chip-uek:has(input:checked)      { background: rgba(245,176,110,0.12); border-color: var(--col-uek-text); color: var(--col-uek-text); }

.chip.qv-chip:has(input:checked) {
    background: rgba(255, 80, 100, 0.12);
    border-color: #ff6b81;
    color: #ff6b81;
}


/* ============================================
   CONTENT AREA PADDING
   ============================================ */
#content-container {
    padding: 1.5rem 2rem;
    flex: 1;
}

/* ============================================
   WELCOME
   ============================================ */
.welcome-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 50vh;
    text-align: center;
    color: var(--text-muted);
    gap: 0.75rem;
}
.welcome-message h2 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-secondary);
}
.welcome-icon {
    font-size: 3rem;
    opacity: 0.4;
}

/* ============================================
   MODAL OVERLAY
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}
.modal-overlay.open {
    opacity: 1;
    pointer-events: all;
}
.modal-box {
    background: var(--bg-3);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: transform 0.2s ease;
}
.modal-overlay.open .modal-box {
    transform: scale(1);
}
.modal-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}
.modal-field {
    margin-bottom: 1rem;
}
.modal-field label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.modal-field input,
.modal-field textarea,
.modal-field select {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    padding: 0.55rem 0.85rem;
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color var(--transition);
}
.modal-field input:focus,
.modal-field textarea:focus,
.modal-field select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-light);
}
.modal-field textarea { resize: vertical; min-height: 70px; }
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* ============================================
   SIDEBAR TOGGLE BUTTON (nur Mobile sichtbar)
   ============================================ */
.sidebar-toggle-btn {
    display: none; /* Desktop: versteckt */
}

/* Mobile Search Toggle Button: Desktop versteckt */
.btn-mobile-search {
    display: none;
}

/* Grünes Herz / Timer-Footer & Paywall-Badge im BiPla Explorer definitiv unterdrücken */
#lmb-timer-footer,
.lmb-footer-badge {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
    position: fixed !important;
    left: -9999px !important;
    top: -9999px !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
}

/* ============================================
   SIDEBAR OVERLAY (Mobile Backdrop)
   ============================================ */
.sidebar-overlay {
    display: none;
}

/* ============================================
   TABLET RESPONSIVE (max-width: 1024px)
   ============================================ */
@media (max-width: 1024px) {
    .api-link {
        display: none !important;
    }
    .header-search {
        max-width: 220px;
    }
    .app-header {
        gap: 0.75rem;
        padding: 0 0.75rem;
    }
}

/* ============================================
   MOBILE RESPONSIVE (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {

    html, body {
        overflow-x: clip !important;
        overflow-x: hidden !important;
        width: 100% !important;
        max-width: 100% !important;
        position: relative;
    }
    body {
        overflow-y: auto;
    }
    .app-body {
        overflow-y: visible;
        overflow-x: clip !important;
        overflow-x: hidden !important;
        position: relative;
        max-width: 100% !important;
        width: 100% !important;
        min-width: 0 !important;
        display: block;
    }
    .app-content {
        overflow-x: clip !important;
        overflow-x: hidden !important;
        max-width: 100% !important;
        width: 100% !important;
        min-width: 0 !important;
    }

    /* --- Header (Mobile: Garantiert kein horizontaler Overflow) --- */
    .app-header {
        padding: 0 0.5rem;
        gap: 0.35rem;
        height: var(--header-h);
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .sidebar-toggle-btn {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        background: none;
        border: 1px solid var(--border);
        color: var(--text-secondary);
        border-radius: var(--radius-sm);
        width: 36px;
        height: 36px;
        min-width: 36px;
        cursor: pointer;
        flex-shrink: 0;
        transition: all var(--transition);
    }
    .sidebar-toggle-btn:hover {
        color: var(--text-primary);
        border-color: var(--border-hover);
        background: var(--surface);
    }
    /* Unnötige Desktop-Elemente im Mobile-Header strikt ausblenden */
    .header-left,
    .api-link,
    #btn-global-print,
    .header-search {
        display: none !important;
    }

    /* Schnellsuche-Icon im Mobile-Header */
    .btn-mobile-search {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        background: none;
        border: 1px solid var(--border);
        color: var(--text-secondary);
        border-radius: var(--radius-sm);
        width: 36px;
        height: 36px;
        min-width: 36px;
        cursor: pointer;
        flex-shrink: 0;
        transition: all var(--transition);
    }
    .btn-mobile-search:hover,
    .btn-mobile-search:active {
        color: var(--accent);
        border-color: var(--accent);
        background: var(--surface);
    }

    /* Beruf/Fachrichtung: Füllen den Raum zwischen Menü und Suche sauber aus, ohne Ausbrechen */
    .header-controls {
        flex: 1 1 auto;
        min-width: 0 !important;
        max-width: 100% !important;
        display: flex;
        gap: 0.3rem;
        align-items: center;
        overflow: hidden !important;
    }
    .header-controls .dropdown-group {
        flex: 1 1 0% !important;
        min-width: 0 !important;
        max-width: 100% !important;
        overflow: hidden !important;
    }
    .header-controls .dropdown-group label {
        display: none !important;
    }
    .header-controls .dropdown-group select {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        font-size: 0.76rem;
        padding: 0.35rem 1.2rem 0.35rem 0.4rem;
        min-width: 0;
        text-overflow: ellipsis;
        white-space: nowrap;
        overflow: hidden;
        box-sizing: border-box !important;
    }

    /* --- Sidebar als Off-Canvas Drawer --- */
    .app-sidebar {
        position: fixed;
        top: var(--header-h);
        left: 0;
        height: calc(100dvh - var(--header-h));
        z-index: 200;
        transform: translateX(-100%);
        transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: var(--shadow-lg);
        width: min(var(--sidebar-w), 85vw);
    }
    .app-sidebar.sidebar-open {
        transform: translateX(0);
    }

    /* --- Backdrop Overlay --- */
    .sidebar-overlay {
        display: block;
        position: fixed;
        inset: 0;
        top: var(--header-h);
        background: rgba(0, 0, 0, 0.6);
        z-index: 199;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.25s ease;
    }
    .sidebar-overlay.open {
        opacity: 1;
        pointer-events: all;
    }

    /* --- Content --- */
    #content-container {
        min-width: 0 !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: clip !important;
        overflow-x: hidden !important;
        padding: 0.85rem 0.65rem calc(68px + env(safe-area-inset-bottom, 0px)) !important;
    }

    /* --- Mobile Bottom Navigation (Smartphones) --- */
    .mobile-bottom-nav {
        display: grid !important;
        grid-template-columns: repeat(4, 1fr);
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        height: calc(56px + env(safe-area-inset-bottom, 0px));
        padding-bottom: env(safe-area-inset-bottom, 0px);
        background: rgba(15, 23, 42, 0.96);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-top: 1px solid var(--border);
        z-index: 250;
        align-items: center;
        padding-left: 0.25rem;
        padding-right: 0.25rem;
    }
    .mob-nav-btn {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        background: transparent;
        border: none;
        color: var(--text-muted);
        cursor: pointer;
        font-family: inherit;
        padding: 6px 0;
        transition: color var(--transition), transform var(--transition);
        -webkit-tap-highlight-color: transparent;
        width: 100%;
    }
    .mob-nav-btn svg {
        width: 20px;
        height: 20px;
        stroke: currentColor;
        transition: stroke var(--transition), transform var(--transition);
    }
    .mob-nav-btn span {
        font-size: 0.68rem;
        font-weight: 600;
        line-height: 1;
    }
    .mob-nav-btn.active {
        color: var(--accent);
    }
    .mob-nav-btn.active svg {
        stroke: var(--accent);
        transform: scale(1.1);
    }

    /* --- Skillcheck Mobile Anpassungen --- */
    .sc-container {
        min-height: calc(100dvh - var(--header-h) - 75px);
        padding: 0.25rem 0.15rem 0.75rem;
    }
    .sc-card {
        padding: 1.5rem 1rem 1.25rem;
        min-height: 270px;
        border-radius: var(--radius-lg);
    }
    .sc-goal-text {
        font-size: 1.25rem;
    }
    .sc-action-btn {
        min-height: 56px;
        padding: 0.45rem 0.2rem;
    }
    .sc-btn-emoji {
        font-size: 1.3rem;
        margin-bottom: 0.2rem;
    }
    .sc-btn-title {
        font-size: 0.74rem;
    }
    .sc-btn-sub {
        display: none;
    }

    /* --- Filter-Bar: horizontal scrollbar --- */
    .filter-bar {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: auto;
        overflow-y: hidden;
        flex-wrap: nowrap;
        padding: 0.45rem 0.75rem;
        gap: 0.5rem;
        -webkit-overflow-scrolling: touch;
    }
    .filter-bar::-webkit-scrollbar {
        height: 0;
    }

    /* --- Copy-Buttons: immer sichtbar auf Touch --- */
    .copy-hover-btn {
        opacity: 1;
    }

    /* --- Modal: saubere Breite ohne Overflow --- */
    .modal-box {
        max-width: min(calc(100% - 1.5rem), 560px) !important;
        margin: 1rem auto;
        padding: 1.25rem;
    }

    /* --- Dossier-View Header: vertikal stapeln --- */
    .dossier-view-header {
        flex-direction: column;
        gap: 0.75rem;
    }

    /* --- LZ-Card Header: kleines Gap --- */
    .lz-card-header {
        gap: 0.4rem;
        flex-wrap: wrap;
    }

    /* --- LZ-Card Body: untereinander statt nebeneinander --- */
    .lz-card-body {
        grid-template-columns: 1fr !important;
    }
    .lernort-zelle {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .lernort-zelle:last-child {
        border-bottom: none;
    }

    /* --- Kompetenz-Header: vertikal --- */
    .kompetenz-header {
        flex-direction: column;
        gap: 0.5rem;
    }

    /* --- Footer (auf Mobile komplett ausblenden) --- */
    .lmb-footer {
        display: none !important;
    }

    /* --- Diskrete Legal-Links in der mobilen Seitenleiste --- */
    .sidebar-legal-links {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        padding: 0.65rem 0.5rem;
        margin-top: auto;
        font-size: 0.72rem;
        color: var(--text-muted);
        border-top: 1px solid var(--border);
        background: var(--bg-2);
        flex-shrink: 0;
    }
    .sidebar-legal-links a {
        color: var(--text-muted);
        text-decoration: none;
    }
    .sidebar-legal-links a:hover {
        color: var(--accent);
    }

    /* --- Dyslexia-Bubble (auf Mobile komplett ausblenden, da sie über der Navbar liegt) --- */
    .dyslexia-toggle {
        display: none !important;
        visibility: hidden !important;
        pointer-events: none !important;
    }

    /* --- Barrierefreiheit / Leseschrift in der mobilen Seitenleiste --- */
    .sidebar-a11y-toggle {
        display: block;
        padding: 0.35rem 0.5rem 0.5rem;
    }
    .sidebar-a11y-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        padding: 0.45rem 0.75rem;
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        color: var(--text-secondary);
        font-size: 0.78rem;
        font-weight: 500;
        cursor: pointer;
        transition: all var(--transition);
        font-family: inherit;
    }
    .sidebar-a11y-btn:hover,
    .sidebar-a11y-btn.active {
        background: var(--accent-light);
        border-color: var(--accent);
        color: var(--accent);
    }
}

/* =================================