/* ═══════════════════════════════════════════════════════════
   X-Sense → FE2 Gateway  –  IT-Service Börner
   Mobile-first · Dark Mode · CSS-Variablen durchgehend
   ═══════════════════════════════════════════════════════════ */

/* ── Light Mode Variablen ─────────────────────────────────── */
:root {
    --brand-red:          #C0392B;
    --brand-red-hover:    #A93226;
    --brand-red-light:    rgba(192,57,43,.12);
    --brand-gray-dark:    #2C2C2C;

    --c-primary:          #C0392B;
    --c-primary-hover:    #A93226;
    --c-danger:           #dc2626;
    --c-success:          #16a34a;
    --c-warning:          #d97706;
    --c-info:             #1d4ed8;
    --c-muted:            #6B6B6B;
    --c-border:           #e0e0e0;
    --c-bg:               #f4f4f4;
    --c-surface:          #ffffff;
    --c-surface2:         #f9f9f9;
    --c-text:             #1a1a1a;
    --c-text2:            #4b5563;
    --radius:             8px;

    --sidebar-w:          250px;
    --sidebar-bg:         #2C2C2C;
    --sidebar-text:       #d1d5db;
    --sidebar-hover:      rgba(192,57,43,.18);
    --sidebar-active-bg:  rgba(192,57,43,.22);
    --sidebar-border:     rgba(255,255,255,.07);
    --topbar-h:           54px;
}

/* ── Dark Mode Variablen ──────────────────────────────────── */
[data-theme="dark"] {
    --c-primary:          #e74c3c;
    --c-primary-hover:    #C0392B;
    --c-danger:           #ef4444;
    --c-success:          #22c55e;
    --c-warning:          #f59e0b;
    --c-info:             #60a5fa;
    --c-muted:            #9ca3af;
    --c-border:           #3a3a3a;
    --c-bg:               #111111;
    --c-surface:          #1e1e1e;
    --c-surface2:         #252525;
    --c-text:             #f0f0f0;
    --c-text2:            #a0a0a0;

    --sidebar-bg:         #141414;
    --sidebar-border:     rgba(255,255,255,.05);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    background: var(--c-bg);
    color: var(--c-text);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Layout ───────────────────────────────────────────────── */
.layout { display: flex; min-height: 100vh; }

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-w);
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    z-index: 200;
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform .25s cubic-bezier(.4,0,.2,1),
                box-shadow .25s;
    -webkit-overflow-scrolling: touch;
}

.sidebar-brand {
    padding: 16px 16px 14px;
    border-bottom: 1px solid var(--sidebar-border);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.sidebar-logo-img {
    height: 36px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
    border-radius: 4px;
}
.sidebar-brand-icon {
    width: 36px; height: 36px;
    background: var(--brand-red);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; flex-shrink: 0;
}
.sidebar-brand-text h1 {
    font-size: 13px; font-weight: 700;
    color: #fff; line-height: 1.2;
}
.sidebar-brand-text p { font-size: 10.5px; color: #9ca3af; margin-top: 1px; }

.sidebar-nav { flex: 1; padding: 8px 0; }
.nav-section {
    padding: 10px 14px 3px;
    font-size: 10px; font-weight: 700;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: .08em;
}
.nav-link {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 9px 16px;
    font-size: 13.5px;
    color: var(--sidebar-text);
    text-decoration: none;
    transition: background .15s, color .15s;
    border-left: 3px solid transparent;
    min-height: 42px;
    word-break: break-word;
}
.nav-link:hover { background: var(--sidebar-hover); color: #fff; }
.nav-link.active {
    background: var(--sidebar-active-bg);
    color: #fff;
    border-left-color: var(--brand-red);
    font-weight: 500;
}
.nav-link .icon { width: 20px; text-align: center; font-size: 15px; flex-shrink: 0; }

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--sidebar-border);
    font-size: 12px;
    color: #9ca3af;
    flex-shrink: 0;
}
.sidebar-footer strong { color: var(--sidebar-text); display: block; margin-bottom: 2px; font-size: 13px; }
.sidebar-footer a { color: #ef4444; text-decoration: none; font-size: 12px; }
.sidebar-footer a:hover { text-decoration: underline; }

.theme-toggle-btn {
    display: inline-flex; align-items: center; gap: 5px;
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 6px;
    color: #9ca3af; cursor: pointer;
    font-size: 11.5px; padding: 4px 8px;
    margin-top: 8px;
    transition: background .15s;
    width: 100%;
    justify-content: center;
}
.theme-toggle-btn:hover { background: rgba(255,255,255,.13); color: #fff; }

/* ── Sidebar Overlay (Mobile) ─────────────────────────────── */
.sidebar-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.6);
    z-index: 199;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

/* ── Main ─────────────────────────────────────────────────── */
.main {
    flex: 1;
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* ── Topbar ───────────────────────────────────────────────── */
.topbar {
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    padding: 0 20px;
    height: var(--topbar-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0; z-index: 100;
    gap: 12px;
}
.topbar-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.topbar h2 {
    font-size: 16px; font-weight: 600;
    white-space: nowrap; overflow: hidden;
    text-overflow: ellipsis;
}

.menu-btn {
    display: none;
    background: none; border: none;
    cursor: pointer; padding: 7px;
    border-radius: 6px;
    color: var(--c-text);
    font-size: 20px; line-height: 1;
    flex-shrink: 0;
    touch-action: manipulation;
}
.menu-btn:hover { background: var(--c-bg); }

/* ── Page Content ─────────────────────────────────────────── */
.page-content {
    padding: 22px 22px 40px;
    max-width: 1100px;
    width: 100%;
    flex: 1;
}

/* ── Footer ───────────────────────────────────────────────── */
.page-footer {
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
    padding: 14px 22px;
    font-size: 12px;
    color: var(--c-muted);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}
.page-footer a { color: var(--c-primary); text-decoration: none; }
.page-footer a:hover { text-decoration: underline; }

/* ── Cards ────────────────────────────────────────────────── */
.card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 18px 20px;
    margin-bottom: 18px;
    overflow: hidden;       /* verhindert Überlauf */
    word-break: break-word; /* langer Text bricht um */
}
.card-title { font-size: 15px; font-weight: 600; margin-bottom: 14px; }

/* ── Stats ────────────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px; margin-bottom: 20px;
}
.stat-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 14px;
    overflow: hidden;
}
.stat-card .label { font-size: 11px; color: var(--c-muted); text-transform: uppercase; letter-spacing: .05em; }
.stat-card .value { font-size: 24px; font-weight: 700; margin-top: 4px; }
.stat-card.green .value { color: var(--c-success); }
.stat-card.red   .value { color: var(--c-danger); }
.stat-card.blue  .value { color: var(--c-info); }

/* ── Forms ────────────────────────────────────────────────── */
.form-group { margin-bottom: 15px; }
.form-group label {
    display: block; font-size: 13px; font-weight: 500;
    margin-bottom: 5px; word-break: break-word;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    background: var(--c-surface);
    color: var(--c-text);
    transition: border-color .15s, box-shadow .15s;
    -webkit-appearance: none;
    max-width: 100%;
    min-width: 0;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px var(--brand-red-light);
}
.form-group textarea { resize: vertical; min-height: 90px; }
.form-hint { font-size: 12px; color: var(--c-muted); margin-top: 4px; word-break: break-word; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center;
    justify-content: center; gap: 6px;
    padding: 9px 18px;
    border-radius: var(--radius);
    font-size: 14px; font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    text-decoration: none;
    transition: background .15s, transform .1s, opacity .15s;
    white-space: nowrap;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary  { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-hover); }
.btn-outline  { background: transparent; border-color: var(--c-border); color: var(--c-text); }
.btn-outline:hover { background: var(--c-bg); }
.btn-danger   { background: #dc2626; color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: 5px 10px; font-size: 12.5px; }
.btn-full { width: 100%; }

/* ── Alerts ───────────────────────────────────────────────── */
.alert {
    padding: 11px 14px;
    border-radius: var(--radius);
    margin-bottom: 14px;
    font-size: 14px;
    border: 1px solid;
    word-break: break-word;
}
.alert-success { background: #f0fdf4; border-color: #86efac; color: #15803d; }
.alert-danger  { background: #fff1f1; border-color: #fca5a5; color: #b91c1c; }
.alert-info    { background: #eff6ff; border-color: #93c5fd; color: #1d4ed8; }
.alert-warning { background: #fffbeb; border-color: #fcd34d; color: #92400e; }

[data-theme="dark"] .alert-success { background: rgba(22,163,74,.12); border-color: rgba(22,163,74,.35); color: #4ade80; }
[data-theme="dark"] .alert-danger  { background: rgba(192,57,43,.12); border-color: rgba(192,57,43,.35); color: #f87171; }
[data-theme="dark"] .alert-info    { background: rgba(29,78,216,.12); border-color: rgba(29,78,216,.35); color: #93c5fd; }
[data-theme="dark"] .alert-warning { background: rgba(217,119,6,.12); border-color: rgba(217,119,6,.35); color: #fcd34d; }

/* ── Tables ───────────────────────────────────────────────── */
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -2px;
}
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th {
    text-align: left; padding: 9px 12px;
    font-size: 11.5px; font-weight: 600;
    color: var(--c-muted);
    text-transform: uppercase; letter-spacing: .05em;
    border-bottom: 2px solid var(--c-border);
    white-space: nowrap;
}
td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--c-border);
    vertical-align: top;
    word-break: break-word;
    max-width: 300px;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--c-surface2); }

/* ── Badges ───────────────────────────────────────────────── */
.badge {
    display: inline-block; padding: 2px 9px;
    border-radius: 20px; font-size: 11.5px; font-weight: 500;
    white-space: nowrap;
}
.badge-green  { background: #dcfce7; color: #15803d; }
.badge-red    { background: #fee2e2; color: #b91c1c; }
.badge-gray   { background: #f3f4f6; color: #6b7280; }
.badge-yellow { background: #fef3c7; color: #92400e; }
.badge-blue   { background: #dbeafe; color: #1d4ed8; }

[data-theme="dark"] .badge-green  { background: rgba(22,163,74,.2);  color: #4ade80; }
[data-theme="dark"] .badge-red    { background: rgba(192,57,43,.2);  color: #f87171; }
[data-theme="dark"] .badge-gray   { background: rgba(255,255,255,.08); color: #9ca3af; }
[data-theme="dark"] .badge-yellow { background: rgba(217,119,6,.2);  color: #fcd34d; }
[data-theme="dark"] .badge-blue   { background: rgba(29,78,216,.2);  color: #93c5fd; }

/* ── Login / Register Pages ───────────────────────────────── */
.login-wrap {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: var(--c-bg);
    padding: 20px 16px;
}
.login-box {
    width: 100%; max-width: 400px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0,0,0,.1);
}
.login-box-header {
    background: #2C2C2C;
    padding: 22px 24px 18px;
    text-align: center;
    border-bottom: 3px solid var(--brand-red);
}
.login-box-header h1 { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 3px; }
.login-box-header p  { font-size: 12px; color: #9ca3af; }
.login-box-body { padding: 24px 24px 20px; }

/* ── Toggle Switch ────────────────────────────────────────── */
.toggle-wrap { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.toggle { position: relative; width: 42px; height: 24px; flex-shrink: 0; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
    position: absolute; inset: 0;
    background: var(--c-border);
    border-radius: 24px; cursor: pointer;
    transition: background .2s;
}
.toggle-slider:before {
    content: '';
    position: absolute;
    width: 18px; height: 18px;
    left: 3px; top: 3px;
    background: #fff;
    border-radius: 50%;
    transition: transform .2s;
    box-shadow: 0 1px 4px rgba(0,0,0,.3);
}
.toggle input:checked + .toggle-slider { background: var(--c-primary); }
.toggle input:checked + .toggle-slider:before { transform: translateX(18px); }

/* ── Code ─────────────────────────────────────────────────── */
code {
    background: var(--c-surface2);
    border: 1px solid var(--c-border);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12.5px;
    font-family: 'Courier New', monospace;
    word-break: break-all;
    color: var(--c-text);
}

/* Dark-mode: inline <code> in Infoboxen */
[data-theme="dark"] code {
    background: rgba(255,255,255,.06);
    border-color: rgba(255,255,255,.1);
}

pre {
    background: #0f172a !important;
    color: #e2e8f0 !important;
    border: none !important;
    padding: 14px !important;
    border-radius: 7px;
    overflow-x: auto;
    font-size: 12px;
    line-height: 1.55;
    -webkit-overflow-scrolling: touch;
}
pre code {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    font-size: inherit; color: inherit;
    word-break: normal;
    white-space: pre;
}

/* ── Inline Farb-Utilities (Dark-Mode-sicher) ─────────────── */
.bg-surface  { background: var(--c-surface) !important; }
.bg-surface2 { background: var(--c-surface2) !important; }
.bg-warning  { background: rgba(217,119,6,.1) !important; }
.bg-info     { background: rgba(29,78,216,.1) !important; }
.bg-success  { background: rgba(22,163,74,.1) !important; }
.bg-danger   { background: rgba(192,57,43,.1) !important; }
.border-warning { border-color: rgba(217,119,6,.35) !important; }
.border-info    { border-color: rgba(29,78,216,.35) !important; }
.border-success { border-color: rgba(22,163,74,.35) !important; }
.border-danger  { border-color: rgba(192,57,43,.35) !important; }
.text-muted  { color: var(--c-muted) !important; }
.text-danger { color: var(--c-danger) !important; }
.text-success{ color: var(--c-success) !important; }

/* Inline-Style-Überschreibung für alte #f3f4f6 / #fffbeb Backgrounds */
[data-theme="dark"] [style*="background:#f3f4f6"],
[data-theme="dark"] [style*="background: #f3f4f6"],
[data-theme="dark"] [style*="background:#f9fafb"],
[data-theme="dark"] [style*="background:#fffbeb"],
[data-theme="dark"] [style*="background:#fff5f5"],
[data-theme="dark"] [style*="background:#eff6ff"],
[data-theme="dark"] [style*="background:#f0fdf4"],
[data-theme="dark"] [style*="background:#fff"] {
    background: var(--c-surface2) !important;
    border-color: var(--c-border) !important;
}

/* method-card und guide-step: CSS-Klassen statt inline */
.method-card, .guide-step {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 10px;
    padding: 18px 20px;
    margin-bottom: 14px;
    word-break: break-word;
    overflow: hidden;
}
.guide-step { display: flex; gap: 14px; align-items: flex-start; }
.method-card h3 {
    font-size: 15px; font-weight: 600; margin-bottom: 6px;
    display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.method-card p { font-size: 14px; color: var(--c-text2); margin-bottom: 10px; }

.tip-box {
    background: rgba(29,78,216,.08);
    border: 1px solid rgba(29,78,216,.2);
    border-radius: 8px; padding: 11px 14px;
    font-size: 13px; color: var(--c-info);
    margin-top: 8px; word-break: break-word;
}
.warn-box {
    background: rgba(217,119,6,.08);
    border: 1px solid rgba(217,119,6,.2);
    border-radius: 8px; padding: 11px 14px;
    font-size: 13px; color: var(--c-warning);
    margin-top: 8px; word-break: break-word;
}
[data-theme="dark"] .tip-box  { color: #93c5fd; }
[data-theme="dark"] .warn-box { color: #fcd34d; }

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--c-border); border-radius: 3px; }

/* ══════════════════════════════════════════════════════
   MOBILE – alles unter 768px
   ══════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    :root { --sidebar-w: 260px; }

    /* Sidebar ausgeblendet, slideIn bei open */
    .sidebar {
        transform: translateX(-100%);
        box-shadow: none;
    }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 6px 0 32px rgba(0,0,0,.45);
    }
    .sidebar-overlay.open { display: block; }

    /* Kein Margin-left auf Mobile */
    .main { margin-left: 0; }

    /* Hamburger sichtbar */
    .menu-btn { display: flex; }

    .topbar { padding: 0 14px; }
    .topbar h2 { font-size: 15px; }

    .page-content { padding: 14px 14px 32px; }

    /* Formulare einspannen */
    .form-row { grid-template-columns: 1fr; gap: 12px; }

    /* Cards kompakter */
    .card { padding: 14px 15px; }

    /* Stats 2-spaltig */
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }

    /* Tabellen: horizontal scrollbar, volle Breite */
    .table-wrap {
        overflow-x: auto;
        margin: 0 -14px;
        padding: 0 14px;
    }
    table { min-width: 460px; }
    td { max-width: 160px; }

    /* Login-Box anpassen */
    .login-box-body { padding: 18px 18px 16px; }

    .guide-step { flex-direction: column; gap: 8px; }
    .step-num { margin-top: 0; }

    /* Flex-Wrapping in Action-Rows */
    [style*="display:flex"] { flex-wrap: wrap; }

    .page-footer { padding: 12px 14px; font-size: 11px; }
}

/* ── Extra klein ──────────────────────────────────────────── */
@media (max-width: 400px) {
    .stats-grid { grid-template-columns: 1fr; }
    .btn { font-size: 13.5px; padding: 9px 14px; }
    .login-box-header { padding: 18px 16px 14px; }
    .login-box-body { padding: 16px 14px; }
}

/* ── Tablet ───────────────────────────────────────────────── */
@media (min-width: 769px) {
    .menu-btn { display: none; }
}

/* ── PWA Safe Area ────────────────────────────────────────── */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .page-footer { padding-bottom: calc(14px + env(safe-area-inset-bottom)); }
    .sidebar { padding-bottom: env(safe-area-inset-bottom); }
}

/* ── Print ────────────────────────────────────────────────── */
@media print {
    .sidebar, .topbar, .menu-btn, .theme-toggle-btn { display: none; }
    .main { margin-left: 0; }
    .page-content { padding: 0; }
}