/* ── Reset & Basis ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --red:       #C8102E;
    --red-dark:  #a50e26;
    --dark:      #0F1923;
    --white:     #FFFFFF;
    --bg:        #F7F8FA;
    --border:    #E5E7EB;
    --text:      #111827;
    --muted:     #6B7280;
    --green:     #15803D;
    --green-bg:  #DCFCE7;
    --blue:      #1D4ED8;
    --blue-bg:   #EFF6FF;
    --orange:    #D97706;
    --orange-bg: #FEF3C7;
    --radius:    8px;
    --radius-lg: 12px;
    --header-h:  60px;
    --nav-w:     220px;
    --shadow:    0 2px 12px rgba(0,0,0,.07);
}

html, body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.5;
    min-height: 100vh;
}

a { text-decoration: none; color: inherit; }

/* ── Header ────────────────────────────────────────────────── */
.app-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-h);
    background: var(--dark);
    z-index: 100;
    border-bottom: 1px solid rgba(255,255,255,.07);
}
.header-inner {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 1.25rem;
    gap: 1rem;
}

/* Logo */
.header-logo {
    display: flex;
    align-items: center;
    gap: .6rem;
    flex-shrink: 0;
    text-decoration: none;
}
.logo-cross {
    width: 32px; height: 32px;
    background: var(--red);
    border-radius: 7px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 1rem; font-weight: 700;
}
.logo-name {
    font-size: .9rem;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
}

/* Modus-Toggle */
.modus-toggle {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,.08);
    border-radius: 20px;
    padding: 3px;
    gap: 2px;
    margin: 0 auto;
}
.toggle-btn {
    padding: .35rem .9rem;
    border-radius: 16px;
    border: none;
    background: transparent;
    color: rgba(255,255,255,.55);
    font-family: inherit;
    font-size: .8rem;
    font-weight: 500;
    cursor: pointer;
    transition: background .2s, color .2s;
    white-space: nowrap;
}
.toggle-btn.active {
    background: var(--red);
    color: #fff;
}
.toggle-btn:hover:not(.active) {
    background: rgba(255,255,255,.1);
    color: rgba(255,255,255,.8);
}

/* Profil-Pill */
.profile-pill {
    display: flex;
    align-items: center;
    gap: .6rem;
    cursor: pointer;
    padding: .35rem .6rem;
    border-radius: 24px;
    border: 1px solid rgba(255,255,255,.12);
    position: relative;
    flex-shrink: 0;
    user-select: none;
    transition: background .2s;
}
.profile-pill:hover { background: rgba(255,255,255,.07); }
.profile-avatar {
    width: 30px; height: 30px;
    background: var(--red);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: .72rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}
.profile-info {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}
.profile-name  { font-size: .8rem; font-weight: 600; color: #fff; }
.profile-role  { font-size: .7rem; color: rgba(255,255,255,.5); }
.profile-chevron { color: rgba(255,255,255,.4); font-size: .7rem; }

/* Dropdown */
.profile-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    min-width: 220px;
    z-index: 200;
    overflow: hidden;
}
.profile-dropdown.open { display: block; }

.dropdown-info {
    padding: .9rem 1rem;
    background: var(--bg);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .2rem .75rem;
}
.di-label { font-size: .7rem; color: var(--muted); font-weight: 500; }
.di-value  { font-size: .78rem; color: var(--text); font-weight: 500; }

.dropdown-divider { height: 1px; background: var(--border); }
.dropdown-item {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .7rem 1rem;
    font-size: .85rem;
    color: var(--text);
    transition: background .15s;
}
.dropdown-item:hover { background: var(--bg); }
.dropdown-item--danger { color: var(--red); }

/* ── Navigation (Sidebar) ──────────────────────────────────── */
.app-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    width: var(--nav-w);
    height: calc(100vh - var(--header-h));
    background: var(--white);
    border-right: 1px solid var(--border);
    padding: 1rem 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 0 .6rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: .7rem;
    padding: .6rem .8rem;
    border-radius: var(--radius);
    font-size: .88rem;
    font-weight: 500;
    color: var(--muted);
    transition: background .15s, color .15s;
}
.nav-item:hover { background: var(--bg); color: var(--text); }
.nav-item.active {
    background: #FEE2E2;
    color: var(--red);
    font-weight: 600;
}
.nav-icon  { font-size: 1rem; width: 20px; text-align: center; }
.nav-label { flex: 1; }

.nav-divider {
    height: 1px;
    background: var(--border);
    margin: .5rem .2rem;
}

/* ── Layout: Content ───────────────────────────────────────── */
.app-layout {
    padding-top: var(--header-h);
    padding-left: var(--nav-w);
    min-height: 100vh;
}
.app-content {
    padding: 1.75rem 2rem;
    max-width: 1100px;
}

/* ── Seiten-Header ─────────────────────────────────────────── */
.page-header {
    margin-bottom: 1.75rem;
}
.page-header h1 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: .25rem;
}
.page-header p {
    font-size: .88rem;
    color: var(--muted);
}

/* ── Cards ─────────────────────────────────────────────────── */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
}
.card-title {
    font-size: .95rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: .75rem;
}

/* ── Stats Grid ────────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.stat-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.1rem 1.25rem;
}
.stat-label {
    font-size: .75rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: .4rem;
}
.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark);
    line-height: 1;
    margin-bottom: .2rem;
}
.stat-sub {
    font-size: .75rem;
    color: var(--muted);
}
.stat-card.red    .stat-value { color: var(--red); }
.stat-card.green  .stat-value { color: var(--green); }
.stat-card.blue   .stat-value { color: var(--blue); }
.stat-card.orange .stat-value { color: var(--orange); }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .6rem 1.1rem;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: .85rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background .15s, transform .1s;
    text-decoration: none;
}
.btn:active { transform: scale(.98); }
.btn-primary   { background: var(--red);    color: #fff; }
.btn-primary:hover   { background: var(--red-dark); }
.btn-secondary { background: var(--bg);     color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-sm { padding: .4rem .75rem; font-size: .78rem; }

/* ── Badge ─────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: .2rem .6rem;
    border-radius: 20px;
    font-size: .72rem;
    font-weight: 600;
}
.badge-green  { background: var(--green-bg); color: var(--green); }
.badge-red    { background: #FEE2E2;         color: var(--red); }
.badge-blue   { background: var(--blue-bg);  color: var(--blue); }
.badge-orange { background: var(--orange-bg);color: var(--orange); }
.badge-gray   { background: var(--bg);       color: var(--muted); border: 1px solid var(--border); }
.badge-purple { background: #F3E8FF;         color: #7C3AED; }

/* ── Tabellen ──────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    font-size: .86rem;
}
th {
    text-align: left;
    padding: .6rem .9rem;
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}
td {
    padding: .75rem .9rem;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: #FAFAFA; }

/* ── Formulare ─────────────────────────────────────────────── */
.form-group { margin-bottom: 1.1rem; }
label {
    display: block;
    font-size: .82rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: .35rem;
}
label .req { color: var(--red); margin-left: .1rem; }
input[type=text], input[type=password], input[type=number],
input[type=email], input[type=search], textarea, select {
    width: 100%;
    padding: .65rem .85rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: .88rem;
    color: var(--text);
    background: var(--white);
    transition: border-color .2s;
}
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--red);
}
.form-hint { font-size: .76rem; color: var(--muted); margin-top: .3rem; }

/* ── Alerts ────────────────────────────────────────────────── */
.alert {
    border-radius: var(--radius);
    padding: .8rem 1rem;
    font-size: .85rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: .6rem;
}
.alert-error   { background: #FEE2E2; border: 1px solid #FCA5A5; color: #991B1B; }
.alert-success { background: var(--green-bg); border: 1px solid #86EFAC; color: #166534; }
.alert-info    { background: var(--blue-bg); border: 1px solid #93C5FD; color: #1E40AF; }

/* ── Fortschrittsbalken ────────────────────────────────────── */
.progress-bar {
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: var(--red);
    border-radius: 4px;
    transition: width .3s;
}
.progress-fill.green  { background: var(--green); }
.progress-fill.blue   { background: var(--blue); }
.progress-fill.orange { background: var(--orange); }

/* ── Hamburger-Button (nur Mobile) ─────────────────────────── */
.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: .4rem;
    color: #fff;
    font-size: 1.3rem;
    flex-shrink: 0;
    line-height: 1;
}

/* ── Nav-Overlay (Mobile) ──────────────────────────────────── */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 149;
}
.nav-overlay.open { display: block; }

/* Mobile Nav als Drawer */
.app-nav.nav-open {
    transform: translateX(0) !important;
    box-shadow: 4px 0 24px rgba(0,0,0,.18);
}

/* Modus-Toggle im Nav (nur mobil sichtbar) */
.nav-modus-toggle {
    display: none;
    flex-direction: column;
    gap: .4rem;
    padding: .75rem;
    border-bottom: 1px solid var(--border);
}
.nav-modus-btn {
    width: 100%;
    padding: .55rem .75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    color: var(--muted);
    font-size: .85rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    transition: background .15s, color .15s;
}
.nav-modus-btn:hover { background: var(--border); color: var(--dark); }
.nav-modus-btn.active { background: var(--red); border-color: var(--red); color: #fff; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
    :root { --nav-w: 0px; }

    /* Nav als Drawer von links */
    .app-nav {
        transform: translateX(-100%);
        transition: transform .25s ease;
        width: 240px;
        z-index: 150;
    }

    .nav-hamburger { display: flex; }

    .app-content { padding: 1rem; }

    .logo-name { display: none; }
    .profile-info { display: none; }
    .profile-chevron { display: none; }
    .modus-toggle { margin: 0; }
    .toggle-btn { padding: .3rem .6rem; font-size: .72rem; }
    .header-inner { gap: .5rem; }

    /* Seiten-Header auf Mobile */
    .page-header { flex-direction: column !important; align-items: flex-start !important; }
    .page-header h1 { font-size: 1.2rem; }

    /* Grids auf Mobile stacken */
    [style*="grid-template-columns"] { grid-template-columns: 1fr !important; }

    /* Quiz-Layout */
    .frage-card { padding: 1rem !important; }

    /* Buttons in Flex-Wraps */
    .btn { white-space: nowrap; }
}

@media (max-width: 480px) {
    .modus-toggle { display: none; }
    .nav-modus-toggle { display: flex; }
    .app-content { padding: .75rem; }
    .card { padding: 1rem; }
    table { font-size: .8rem; }
    th, td { padding: .5rem .6rem; }
}

/* ── Dark Mode ──────────────────────────────────────────────── */
html.dark {
    --white:      #1E2530;
    --bg:         #151B24;
    --border:     #2D3748;
    --text:       #CBD5E1;
    --dark:       #F1F5F9;   /* war #0F1923 – muss im Dark hell sein */
    --muted:      #64748B;
    --green-bg:   #052e16;
    --blue-bg:    #0f172a;
    --orange-bg:  #1c1100;
    --shadow:     0 2px 12px rgba(0,0,0,.35);
    color-scheme: dark;
}

/* Strukturelemente */
html.dark body              { background: var(--bg); color: var(--text); }
html.dark .app-header       { background: #111827; border-color: var(--border); }
html.dark .card,
html.dark .frage-card       { background: var(--white); border-color: var(--border); }
html.dark .card-title       { color: var(--dark); }
html.dark h1,html.dark h2,html.dark h3 { color: var(--dark); }
html.dark .page-header p    { color: var(--muted); }

/* Navigation */
html.dark .app-nav          { background: #111827; border-color: var(--border); }
html.dark .nav-item         { color: #94A3B8; }
html.dark .nav-item:hover   { background: rgba(255,255,255,.06); color: var(--dark); }
html.dark .nav-item.active  { background: rgba(200,16,46,.15); color: #FDA4AF; }
html.dark .nav-divider      { border-color: var(--border); }
html.dark .nav-section-label { color: var(--muted); }
html.dark .nav-modus-btn    { background: #1A2233; border-color: var(--border); color: var(--muted); }
html.dark .nav-modus-btn:hover  { background: rgba(255,255,255,.08); color: var(--dark); }
html.dark .nav-modus-btn.active { background: rgba(200,16,46,.2); color: #FDA4AF; border-color: #C8102E; }

/* Header / Profil */
html.dark .header-logo      { color: var(--dark); }
html.dark .profile-pill     { background: rgba(255,255,255,.07); border-color: var(--border); color: var(--dark); }
html.dark .profile-dropdown { background: #1A2233; border-color: var(--border); box-shadow: 0 8px 24px rgba(0,0,0,.5); }
html.dark .dropdown-item    { color: #94A3B8; }
html.dark .dropdown-item:hover { background: rgba(255,255,255,.06); color: var(--dark); }
html.dark .dropdown-divider { border-color: var(--border); }
html.dark .di-label         { color: var(--muted); }
html.dark .di-value         { color: var(--dark); }

/* Formulare */
html.dark input, html.dark select, html.dark textarea {
    background: #0F1923; border-color: var(--border); color: var(--text);
}
html.dark input::placeholder, html.dark textarea::placeholder { color: var(--muted); }
html.dark label             { color: var(--text); }
html.dark .form-hint        { color: var(--muted); }
html.dark .btn-secondary    { background: #1A2233; border-color: var(--border); color: #94A3B8; }
html.dark .btn-secondary:hover { background: rgba(255,255,255,.07); color: var(--dark); }

/* Tabellen */
html.dark table             { color: var(--text); }
html.dark th                { background: #111827; border-color: var(--border); color: var(--muted); }
html.dark td                { border-color: var(--border); color: var(--text); }
html.dark tr:hover td       { background: rgba(255,255,255,.03); }

/* Stat-Cards */
html.dark .stat-card        { background: var(--white); border-color: var(--border); }
html.dark .stat-label       { color: var(--muted); }
html.dark .stat-value       { color: var(--dark); }
html.dark .stat-sub         { color: var(--muted); }

/* Badges */
html.dark .badge-green      { background: #052e16; color: #4ade80; }
html.dark .badge-red        { background: #1f0808; color: #f87171; }
html.dark .badge-blue       { background: #0f172a; color: #60a5fa; }
html.dark .badge-gray       { background: #1e2530; color: var(--muted); }
html.dark .badge-purple     { background: #2e1065; color: #c084fc; }

/* Alerts */
html.dark .alert-success    { background: #052e16; border-color: #166534; color: #4ade80; }
html.dark .alert-error      { background: #1f0808; border-color: #991b1b; color: #f87171; }

/* Quiz & Antworten */
html.dark .antwort-label    { border-color: var(--border); color: var(--text); background: var(--white); }
html.dark .antwort-label:hover { background: rgba(255,255,255,.05); border-color: var(--red); }
html.dark .antwort-label.correct  { background: #052e16; border-color: #166534; color: #4ade80; }
html.dark .antwort-label.wrong    { background: #1f0808; border-color: #991b1b; color: #f87171; }
html.dark .frage-card       { background: var(--white); }

/* Progress-Bars */
html.dark .progress-bar     { background: var(--border); }

/* Sonstiges */
html.dark .modus-toggle     { background: rgba(255,255,255,.06); border-color: var(--border); }
html.dark .toggle-btn       { color: var(--muted); }
html.dark .toggle-btn.active { background: rgba(200,16,46,.25); color: #FDA4AF; }
html.dark a                 { color: #93C5FD; }
html.dark a:hover           { color: #BFDBFE; }
html.dark .btn-primary      { color: #fff; }     /* Roter Button bleibt lesbar */

/* Dark-Mode-Toggle Button */
.darkmode-toggle {
    background: transparent;
    border: 1px solid rgba(255,255,255,.2);
    color: rgba(255,255,255,.8);
    border-radius: 20px;
    padding: .3rem .7rem;
    font-size: .8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: .35rem;
    white-space: nowrap;
    transition: background .15s;
}
.darkmode-toggle:hover { background: rgba(255,255,255,.1); }

/* Frage-Aktionen Leiste */
.frage-aktionen {
    display: flex;
    gap: .5rem;
    margin-bottom: .75rem;
    flex-wrap: wrap;
}
.frage-aktion-btn {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: .3rem .8rem;
    font-size: .8rem;
    cursor: pointer;
    color: var(--muted);
    transition: all .15s;
}
.frage-aktion-btn:hover  { border-color: #9CA3AF; color: var(--dark); }
.frage-aktion-btn.active { background: #FEF9C3; border-color: #FCD34D; color: #92400E; }
html.dark .frage-aktion-btn        { background: #1A2233; border-color: var(--border); color: var(--muted); }
html.dark .frage-aktion-btn:hover  { border-color: #4B5563; color: #E2E8F0; }
html.dark .frage-aktion-btn.active { background: #3B2F0A; border-color: #92400E; color: #FCD34D; }