/* DRK Lagersystem - Stylesheet
   Farbwelt: DRK-Rot #E30613, Anthrazit, Weiß
   Mobile-First Responsive Design */

:root {
    --drk-red: #E30613;
    --drk-red-dark: #B30510;
    --drk-red-light: #ffe5e7;
    --bg: #f5f6f8;
    --surface: #ffffff;
    --border: #e3e6eb;
    --text: #1f2430;
    --text-muted: #6b7280;
    --success: #1f8a4c;
    --success-bg: #e6f5ec;
    --warning: #b97000;
    --warning-bg: #fff4e0;
    --danger: #c2161c;
    --danger-bg: #fde8ea;
    --info: #114a8a;
    --info-bg: #e3f0ff;
    --shadow: 0 1px 3px rgba(15,20,40,.06), 0 1px 2px rgba(15,20,40,.04);
    --shadow-lg: 0 8px 24px rgba(15,20,40,.08);
    --shadow-xl: 0 20px 60px rgba(15,20,40,.25);
    --radius: 10px;
    --radius-sm: 6px;
    --sidebar-w: 260px;
    --topbar-h: 56px;
    --ease: cubic-bezier(.4, 0, .2, 1);
}

* { box-sizing: border-box; }
html, body { margin:0; padding:0; }
html { -webkit-text-size-adjust: 100%; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: var(--drk-red); text-decoration: none; }
a:hover { text-decoration: underline; }
h1,h2,h3,h4 { margin: 0 0 .6em; font-weight: 600; color: var(--text); }
h1 { font-size: 1.4rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.05rem; }

button { font-family: inherit; }

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

/* === Sidebar (Desktop) === */
.sidebar {
    width: var(--sidebar-w);
    background: #1c2230;
    color: #d1d5db;
    display: flex; flex-direction: column;
    position: sticky; top: 0; height: 100vh;
    z-index: 50;
    transition: transform .3s var(--ease);
}
.brand {
    display: flex; align-items: center; gap: .7rem;
    padding: 1rem 1.2rem; border-bottom: 1px solid #2a3142;
    min-height: var(--topbar-h);
}
.brand-logo {
    width: 40px; height: 40px; border-radius: 8px;
    background: var(--drk-red); color: #fff;
    display: grid; place-items: center;
    font-weight: 800; letter-spacing: .03em;
    box-shadow: 0 4px 10px rgba(227,6,19,.35);
    flex-shrink: 0;
}
.brand-title { font-size: .95rem; font-weight: 700; color:#fff; line-height:1.2; }
.brand-sub { font-size: .72rem; color: #9aa3b2; line-height:1.25; max-width: 170px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

.nav {
    flex:1; overflow-y:auto; padding:.6rem .5rem;
    -webkit-overflow-scrolling: touch;
}
.nav-section {
    color:#7a8294; text-transform: uppercase; font-size:.7rem;
    letter-spacing:.08em; padding:.9rem .8rem .35rem;
}
.nav-link {
    display:flex; align-items:center; gap:.7rem;
    padding:.65rem .8rem; color:#d1d5db; border-radius:8px;
    margin: 2px 0; font-size:.92rem; position:relative;
    transition: background .15s var(--ease), color .15s var(--ease), transform .15s var(--ease);
    min-height: 44px;
}
.nav-link:hover { background:#262d3d; color:#fff; text-decoration:none; }
.nav-link:active { transform: scale(.98); }
.nav-link.active { background: var(--drk-red); color:#fff; box-shadow: 0 2px 8px rgba(227,6,19,.3); }
.nav-icon { width:1.4rem; text-align:center; font-size:1.05rem; flex-shrink:0; }
.badge-wip {
    margin-left:auto; font-size:.65rem; background:#3a4256;
    color:#9aa3b2; padding:.15rem .45rem; border-radius:4px;
}

.sidebar-footer { padding: .8rem; border-top:1px solid #2a3142; }
.user-info { display:flex; gap:.6rem; align-items:center; margin-bottom:.6rem; }
.user-avatar {
    width:38px; height:38px; border-radius:50%; background:var(--drk-red);
    color:#fff; display:grid; place-items:center; font-weight:700;
    flex-shrink: 0;
}
.user-name { font-size:.85rem; color:#fff; font-weight:600; }
.user-role { font-size:.72rem; color:#9aa3b2; }

/* === Backdrop für Mobile === */
.sidebar-backdrop {
    display: none;
    position: fixed; inset: 0;
    background: rgba(15,20,40,.55);
    z-index: 49;
    opacity: 0;
    transition: opacity .3s var(--ease);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}
body.sidebar-open .sidebar-backdrop { display: block; opacity: 1; }
body.sidebar-open { overflow: hidden; }

/* === Main === */
.main { flex:1; min-width:0; display:flex; flex-direction:column; }

.topbar {
    background: var(--surface); border-bottom: 1px solid var(--border);
    padding: .7rem 1.2rem; display:flex; align-items:center; gap:.8rem;
    position: sticky; top:0; z-index:30;
    min-height: var(--topbar-h);
}
.menu-toggle {
    display: none;
    width: 42px; height: 42px;
    border: none; background: transparent;
    border-radius: 8px;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    transition: background .15s var(--ease);
    align-items: center; justify-content: center;
}
.menu-toggle:hover { background: #f0f2f5; }
.menu-toggle:active { background: #e3e6eb; }
.menu-toggle .bars {
    position: relative;
    width: 22px; height: 16px;
    display: block;
}
.menu-toggle .bars::before,
.menu-toggle .bars::after,
.menu-toggle .bars span {
    content: ''; position: absolute; left: 0;
    width: 100%; height: 2px; background: var(--text);
    border-radius: 2px;
    transition: transform .3s var(--ease), opacity .2s var(--ease), top .3s var(--ease);
}
.menu-toggle .bars::before { top: 0; }
.menu-toggle .bars span { top: 7px; }
.menu-toggle .bars::after { top: 14px; }
body.sidebar-open .menu-toggle .bars::before { top: 7px; transform: rotate(45deg); }
body.sidebar-open .menu-toggle .bars::after  { top: 7px; transform: rotate(-45deg); }
body.sidebar-open .menu-toggle .bars span    { opacity: 0; transform: scaleX(0); }

.page-title { margin:0; font-size:1.1rem; flex:1; min-width:0;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.topbar-right { display:flex; align-items:center; gap:.8rem; flex-shrink:0; }
.topbar-date { color:var(--text-muted); font-size:.85rem; }

.content { padding: 1.2rem; flex:1; }
.footer {
    padding: 1rem 1.2rem; color:var(--text-muted); font-size:.78rem;
    border-top:1px solid var(--border); display:flex; justify-content:space-between;
    background: var(--surface); flex-wrap: wrap; gap:.5rem;
}

/* === Cards === */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 1.2rem;
    overflow: hidden;
}
.card-header {
    padding: .85rem 1.2rem;
    border-bottom: 1px solid var(--border);
    display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:.6rem;
}
.card-header form { display:flex; gap:.5rem; flex-wrap:wrap; align-items:center; }
.card-header form select, .card-header form input { min-width: 140px; }
.card-title { margin:0; font-size:1rem; font-weight:600; }
.card-body { padding: 1.2rem; }
.card-body.compact { padding: .8rem 1.2rem; }

/* === Stat-Tiles === */
.stats {
    display:grid;
    grid-template-columns: repeat(auto-fit, minmax(180px,1fr));
    gap:.8rem;
    margin-bottom:1.2rem;
}
.stat {
    background: var(--surface); border:1px solid var(--border);
    border-radius: var(--radius); padding:.9rem 1.1rem;
    box-shadow: var(--shadow); display:flex; gap:.8rem; align-items:center;
    transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.stat:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.stat-icon {
    width: 42px; height:42px; border-radius:10px;
    background: var(--drk-red-light); color: var(--drk-red);
    display:grid; place-items:center; font-size:1.2rem;
    flex-shrink: 0;
}
.stat-label { color: var(--text-muted); font-size:.74rem; text-transform:uppercase; letter-spacing:.05em; }
.stat-value { font-size:1.45rem; font-weight:700; line-height:1.1; }

/* === Buttons === */
.btn {
    display:inline-flex; align-items:center; justify-content:center; gap:.4rem;
    padding:.55rem 1rem; border-radius:6px; font-size:.88rem; font-weight:500;
    border:1px solid transparent; cursor:pointer; text-decoration:none;
    transition: all .15s var(--ease);
    min-height: 38px;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}
.btn:hover { text-decoration:none; transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn-sm { padding:.35rem .7rem; font-size:.8rem; min-height: 32px; }
.btn-block { width:100%; }
.btn-primary { background: var(--drk-red); color:#fff; }
.btn-primary:hover { background: var(--drk-red-dark); color:#fff; }
.btn-secondary { background:#fff; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background:#f0f2f5; color: var(--text); }
.btn-success { background: var(--success); color:#fff; }
.btn-success:hover { background:#176d3b; color:#fff; }
.btn-danger { background: var(--danger); color:#fff; }
.btn-danger:hover { background:#9c1117; color:#fff; }
.btn-ghost { background: transparent; color:#d1d5db; border:1px solid #3a4256; }
.btn-ghost:hover { background:#262d3d; color:#fff; }
.btn-icon { padding: .4rem .55rem; }

/* === Forms === */
.form-row { margin-bottom: 1rem; }
.form-grid {
    display:grid; gap:1rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
label { display:block; font-size:.82rem; font-weight:500; margin-bottom:.35rem; color:var(--text); }
input[type=text], input[type=password], input[type=email], input[type=number],
input[type=date], input[type=tel], select, textarea {
    width:100%; padding:.65rem .8rem; border:1px solid var(--border);
    border-radius:6px; font-size:1rem; background:#fff; color:var(--text);
    font-family: inherit;
    -webkit-appearance: none;
    appearance: none;
    min-height: 42px;
}
select {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='2' fill='none' stroke-linecap='round'/></svg>");
    background-repeat: no-repeat;
    background-position: right .8rem center;
    padding-right: 2.2rem;
}
input:focus, select:focus, textarea:focus {
    outline:none; border-color: var(--drk-red); box-shadow: 0 0 0 3px rgba(227,6,19,.12);
}
textarea { min-height:90px; resize:vertical; }
.form-help { color: var(--text-muted); font-size:.75rem; margin-top:.3rem; }
.form-actions { display:flex; gap:.5rem; align-items:center; padding-top:.5rem; flex-wrap:wrap; }
.checkbox-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap:.4rem .8rem; }
.checkbox-line { display:flex; align-items:center; gap:.5rem; padding:.5rem .65rem; border:1px solid var(--border); border-radius:6px; cursor:pointer; }
.checkbox-line input[type=checkbox] {
    width:18px; height:18px; min-height:0; flex-shrink:0;
    accent-color: var(--drk-red);
}

/* === Tables === */
.table-wrap { overflow-x:auto; -webkit-overflow-scrolling: touch; }
table.data {
    width:100%; border-collapse: collapse; font-size:.88rem;
    min-width: 100%;
}
table.data th, table.data td {
    padding:.7rem .85rem; text-align:left; border-bottom:1px solid var(--border);
    vertical-align: middle;
}
table.data thead th {
    background:#fafbfc; color: var(--text-muted); font-weight:600;
    text-transform: uppercase; font-size:.7rem; letter-spacing:.04em;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}
table.data tbody tr { transition: background .15s var(--ease); }
table.data tbody tr:hover { background: #fafbfc; }
table.data .actions { text-align:right; white-space:nowrap; }
table.data .actions .btn { margin-left: .25rem; }

/* === Badges === */
.badge {
    display:inline-block; padding:.2rem .55rem; border-radius:4px;
    font-size:.72rem; font-weight:600; line-height:1.4;
    white-space: nowrap;
}
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger  { background: var(--danger-bg); color: var(--danger); }
.badge-info    { background: var(--info-bg); color: var(--info); }
.badge-muted   { background: #eef0f4; color: var(--text-muted); }

/* === Alerts === */
.alert {
    padding:.8rem 1rem; border-radius:8px; margin-bottom:1rem;
    border-left: 4px solid;
    animation: slideDown .3s var(--ease);
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}
.alert-success { background:var(--success-bg); border-color:var(--success); color:var(--success); }
.alert-error,
.alert-danger  { background:var(--danger-bg); border-color:var(--danger); color:var(--danger); }
.alert-warning { background:var(--warning-bg); border-color:var(--warning); color:var(--warning); }
.alert-info    { background:var(--info-bg); border-color:var(--info); color:var(--info); }

/* === Login === */
.login-page {
    min-height:100vh; min-height:100dvh;
    display:grid; place-items:center;
    background: linear-gradient(135deg, #1c2230 0%, #2a3142 100%);
    padding:1rem;
}
.login-card {
    background:#fff; border-radius:14px; padding:2rem 1.8rem;
    box-shadow: var(--shadow-xl); width:100%; max-width:380px;
    animation: cardIn .4s var(--ease);
}
@keyframes cardIn {
    from { opacity: 0; transform: translateY(20px) scale(.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.login-brand { text-align:center; margin-bottom:1.4rem; }
.login-brand .brand-logo {
    width:60px; height:60px; margin:0 auto .8rem; font-size:1.2rem;
}
.login-brand h1 { font-size:1.2rem; margin:0; }
.login-brand p { color:var(--text-muted); margin:.2rem 0 0; font-size:.85rem; }

/* === Tabs === */
.tabs {
    display:flex; gap:.2rem; border-bottom:1px solid var(--border);
    margin-bottom:1.2rem; overflow-x:auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}
.tabs::-webkit-scrollbar { height: 4px; }
.tabs::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.tab {
    padding:.7rem 1.1rem; color:var(--text-muted); font-weight:500;
    border-bottom:2px solid transparent; cursor:pointer; white-space:nowrap;
    background:none; border-left:0; border-right:0; border-top:0;
    font-size:.9rem;
    transition: color .15s var(--ease), border-color .15s var(--ease);
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--drk-red); border-bottom-color: var(--drk-red); }
.tab-link { text-decoration:none; }

/* === Modal === */
.modal-backdrop {
    position:fixed; inset:0; background:rgba(15,20,40,.55);
    display:none; align-items:center; justify-content:center; z-index:100;
    padding:1rem;
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}
.modal-backdrop.open {
    display:flex;
    animation: fadeIn .2s var(--ease);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
    background:#fff; border-radius:12px; max-width:540px; width:100%;
    box-shadow: var(--shadow-xl); max-height:90vh; overflow-y:auto;
    -webkit-overflow-scrolling: touch;
    animation: modalIn .25s var(--ease);
}
@keyframes modalIn {
    from { opacity: 0; transform: translateY(20px) scale(.96); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-header {
    padding:1rem 1.4rem; border-bottom:1px solid var(--border);
    display:flex; justify-content:space-between; align-items:center;
    position: sticky; top: 0; background: #fff; z-index: 1;
}
.modal-title { margin:0; font-size:1.05rem; }
.modal-close {
    background:none; border:none; font-size:1.6rem; color:var(--text-muted);
    cursor:pointer; padding:0; width:36px; height:36px; border-radius:6px;
    display: grid; place-items: center;
    transition: background .15s var(--ease);
}
.modal-close:hover { background: #f0f2f5; }
.modal-body { padding:1.2rem 1.4rem; }
.modal-footer {
    padding:.8rem 1.4rem; border-top:1px solid var(--border);
    display:flex; gap:.5rem; justify-content:flex-end;
    flex-wrap: wrap;
}

/* === Utility === */
.row { display:flex; gap:.6rem; flex-wrap:wrap; align-items:center; }
.row > * { flex: 0 0 auto; }
.spacer { flex:1; }
.text-muted { color: var(--text-muted); }
.text-right { text-align:right; }
.text-center { text-align:center; }
.mt-0 { margin-top:0; } .mt-1 { margin-top:.5rem; } .mt-2 { margin-top:1rem; }
.mb-0 { margin-bottom:0; } .mb-1 { margin-bottom:.5rem; } .mb-2 { margin-bottom:1rem; }
.w-100 { width:100%; }
.flex { display:flex; gap:.5rem; align-items:center; }
.toolbar {
    display:flex; gap:.5rem; flex-wrap:wrap; align-items:center;
    margin-bottom:1rem;
}
.toolbar input[type=text], .toolbar select { min-width:180px; flex: 1 1 180px; max-width: 320px; }
.toolbar form { display:flex; gap:.5rem; flex-wrap:wrap; }
.empty {
    padding:2.5rem 1rem; text-align:center; color:var(--text-muted);
}
.empty-icon { font-size:2.5rem; margin-bottom:.4rem; opacity:.5; }

/* === WIP-Page === */
.wip-card { text-align:center; padding:3rem 1.5rem; }
.wip-icon { font-size:3.5rem; margin-bottom:1rem; }
.wip-title { margin:0 0 .5rem; }
.wip-text { color:var(--text-muted); }

/* === Bestand-Indikator === */
.stock-bar {
    width:120px; max-width: 30vw; height:8px; background:#eef0f4; border-radius:4px;
    overflow:hidden; display:inline-block; vertical-align:middle; margin-right:.5rem;
}
.stock-bar > span { display:block; height:100%; background: var(--success); transition: width .4s var(--ease); }
.stock-bar.low > span { background: var(--warning); }
.stock-bar.crit > span { background: var(--danger); }

/* ============================================ */
/* === RESPONSIVE: Tablet (≤ 1024px) === */
/* ============================================ */
@media (max-width: 1024px) {
    :root { --sidebar-w: 240px; }
    .content { padding: 1rem; }
    .stats { grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); }
}

/* ============================================ */
/* === RESPONSIVE: Mobile (≤ 768px) === */
/* ============================================ */
@media (max-width: 768px) {
    body { font-size: 14.5px; }

    /* Sidebar wird Slide-In Drawer */
    .sidebar {
        position: fixed;
        top: 0; left: 0;
        height: 100vh; height: 100dvh;
        width: 84vw; max-width: 320px;
        transform: translateX(-100%);
        box-shadow: var(--shadow-xl);
        z-index: 60;
    }
    body.sidebar-open .sidebar { transform: translateX(0); }

    /* Hamburger anzeigen */
    .menu-toggle { display: inline-flex; }

    /* Topbar */
    .topbar { padding: .6rem .9rem; gap: .5rem; }
    .topbar-date { display: none; }
    .page-title { font-size: 1.05rem; }

    .content { padding: .9rem .8rem; }

    /* Cards */
    .card { border-radius: 8px; margin-bottom: .9rem; }
    .card-header { padding: .8rem 1rem; }
    .card-body { padding: 1rem; }
    .card-header .row { width: 100%; justify-content: flex-end; }
    .card-header form { width: 100%; }
    .card-header form select, .card-header form input { flex: 1 1 120px; min-width: 100px; }

    /* Inline-Filter-Toolbars in card-bodies (padding:0) */
    .toolbar { gap:.4rem; }
    .toolbar input[type=text], .toolbar select { min-width: 120px; flex: 1 1 120px; max-width: 100%; }
    .toolbar form { width: 100%; }

    /* Stats kompakter */
    .stats {
        grid-template-columns: repeat(auto-fit, minmax(140px,1fr));
        gap: .6rem;
    }
    .stat { padding: .75rem .85rem; gap: .6rem; }
    .stat-icon { width: 38px; height: 38px; font-size: 1.05rem; }
    .stat-value { font-size: 1.25rem; }
    .stat-label { font-size: .7rem; }

    /* Forms touch-friendly */
    input, select, textarea { font-size: 16px; } /* verhindert Zoom auf iOS */
    .form-grid { grid-template-columns: 1fr; gap: .8rem; }
    .form-actions .btn { flex: 1 1 auto; }

    /* Tabellen → kompakt + horizontal scrollen */
    table.data th, table.data td { padding: .55rem .6rem; font-size: .85rem; }
    table.data .actions .btn { padding: .35rem .55rem; font-size: .75rem; }

    /* Footer */
    .footer { font-size: .72rem; padding: .8rem; flex-direction: column; align-items: flex-start; }

    /* Modal Vollbild auf Mobile */
    .modal-backdrop { padding: 0; align-items: flex-end; }
    .modal {
        max-height: 92vh; max-height: 92dvh;
        border-radius: 14px 14px 0 0;
        animation: modalSlideUp .3s var(--ease);
    }
    @keyframes modalSlideUp {
        from { opacity: 0; transform: translateY(100%); }
        to   { opacity: 1; transform: translateY(0); }
    }
    .modal-footer .btn { flex: 1 1 auto; }

    /* Mitglieder-Detail (Liste+Detail) untereinander */
    .layout-mit { grid-template-columns: 1fr !important; }

    /* Tabs Touch-Bereich */
    .tab { padding: .8rem 1rem; font-size: .88rem; }
}

/* ============================================ */
/* === RESPONSIVE: Mini-Mobile (≤ 420px) === */
/* ============================================ */
@media (max-width: 420px) {
    h1 { font-size: 1.2rem; }
    h2 { font-size: 1.05rem; }
    .content { padding: .7rem .6rem; }
    .stats { grid-template-columns: 1fr 1fr; }
    .stat { padding: .65rem .7rem; }
    .stat-value { font-size: 1.15rem; }
    .btn { font-size: .85rem; padding: .55rem .8rem; }
    .btn-sm { padding: .4rem .6rem; font-size: .78rem; }
    .card-body { padding: .85rem; }
    .modal-body { padding: 1rem; }
    .modal-header { padding: .85rem 1rem; }
}

/* === Reduced motion === */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
    }
}