@font-face {
    font-family: 'Bitter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/Bitter-Regular.woff2') format('woff2');
}
@font-face {
    font-family: 'Bitter';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('../fonts/Bitter-Bold.woff2') format('woff2');
}

:root {
    --color-primary: #5E4F42;
    --color-primary-dark: #2D2624;
    --color-bg: #D5CFC4;
    --color-dark: #2D2624;
    --color-surface: #FFFFFF;
    --color-border: #c7bfb2;
    --color-warn-bg: #fff3cd;
    --color-warn-text: #6b5300;
    --color-danger-bg: #fdecea;
    --color-danger-text: #611a15;
    --color-success-bg: #eaf6ec;
    --color-success-text: #1e4620;
    --radius: 8px;
    --font-body: 'Bitter', Georgia, 'Times New Roman', serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-dark);
    line-height: 1.45;
}

a { color: var(--color-primary); }

h1, h2, h3 { font-weight: 700; margin: 0 0 .6rem; color: var(--color-primary-dark); }

/* ---------- Header / Nav ---------- */
.site-header {
    background: var(--color-primary);
    color: #fff;
}
.site-header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .6rem 1rem;
}
.brand-logo { height: 40px; display: block; }
.nav-toggle-checkbox { display: none; }
.nav-toggle-btn {
    display: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: #fff;
    padding: .2rem .6rem;
}
.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 0 1rem .6rem;
    gap: .5rem;
}
.site-nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: .3rem;
    margin: 0;
    padding: 0;
}
.site-nav a {
    color: #f1ede4;
    text-decoration: none;
    padding: .5rem .8rem;
    border-radius: var(--radius);
    display: inline-block;
}
.site-nav a.active, .site-nav a:hover { background: rgba(255,255,255,.15); }
.user-badge { color: #e8e2d4; font-size: .9rem; }
.user-badge a { color: #fff; }

@media (max-width: 720px) {
    .nav-toggle-btn { display: block; }
    .site-nav {
        flex-direction: column;
        align-items: stretch;
        max-height: 0;
        overflow: hidden;
        transition: max-height .2s ease;
        padding: 0 1rem;
    }
    .nav-toggle-checkbox:checked ~ .site-header .site-nav { max-height: 500px; padding-bottom: .6rem; }
    .site-nav ul { flex-direction: column; }
    .user-badge { padding-top: .4rem; border-top: 1px solid rgba(255,255,255,.2); }
}

/* ---------- Layout ---------- */
.site-main { max-width: 1100px; margin: 0 auto; padding: 1.2rem 1rem 3rem; }

.card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 1.2rem;
    box-shadow: 0 1px 4px rgba(0,0,0,.08);
    margin-bottom: 1.2rem;
}

/* ---------- Flash messages ---------- */
.flash { padding: .8rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; }
.flash-success { background: var(--color-success-bg); color: var(--color-success-text); }
.flash-warning { background: var(--color-warn-bg); color: var(--color-warn-text); }
.flash-error { background: var(--color-danger-bg); color: var(--color-danger-text); }

/* ---------- KPI tiles ---------- */
.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; margin-bottom: 1.2rem; }
.kpi-tile { background: var(--color-surface); border-radius: var(--radius); padding: 1rem; text-align: center; box-shadow: 0 1px 4px rgba(0,0,0,.08); }
.kpi-tile .value { font-size: 1.7rem; font-weight: 700; color: var(--color-primary); }
.kpi-tile .label { font-size: .85rem; color: #6b6259; }
.kpi-tile.warn .value { color: #a15c00; }
.kpi-tile.danger .value { color: var(--color-danger-text); }
.kpi-tile.success .value { color: var(--color-success-text); }

/* ---------- Forms ---------- */
label { display: block; font-weight: 700; margin: .8rem 0 .3rem; }
input[type=text], input[type=number], input[type=password], input[type=search], input[type=date], select, textarea {
    width: 100%;
    padding: .65rem .7rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    background: #fff;
    color: var(--color-dark);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.hint { font-size: .85rem; color: #6b6259; margin-top: .2rem; }
.form-actions { margin-top: 1.2rem; display: flex; gap: .6rem; flex-wrap: wrap; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 1rem; }

button, .btn {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    border: none;
    padding: .75rem 1.3rem;
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    min-height: 44px;
}
button:hover, .btn:hover { background: var(--color-primary-dark); }
.btn-secondary { background: #fff; color: var(--color-primary); border: 1px solid var(--color-primary); }
.btn-danger { background: #a5382f; }
.btn-small { padding: .4rem .8rem; font-size: .85rem; min-height: auto; }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .6rem .5rem; border-bottom: 1px solid var(--color-border); }
th { color: #6b6259; font-weight: 700; font-size: .85rem; text-transform: uppercase; letter-spacing: .03em; }
td.num, th.num { text-align: right; }
tfoot td { font-weight: 700; border-bottom: none; }
.badge { display: inline-block; padding: .2rem .6rem; border-radius: 999px; font-size: .8rem; font-weight: 700; }
.badge-entwurf { background: var(--color-warn-bg); color: var(--color-warn-text); }
.badge-fertig { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-uebertragen { background: #e4e1f5; color: #3b3470; }

@media (max-width: 640px) {
    table.responsive, table.responsive thead, table.responsive tbody, table.responsive th, table.responsive td, table.responsive tr { display: block; }
    table.responsive thead { display: none; }
    table.responsive tr { background: #fff; border-radius: var(--radius); margin-bottom: .7rem; padding: .5rem .7rem; box-shadow: 0 1px 4px rgba(0,0,0,.08); }
    table.responsive td { border: none; padding: .3rem 0; display: flex; justify-content: space-between; gap: 1rem; text-align: right; }
    table.responsive td::before { content: attr(data-label); font-weight: 700; color: #6b6259; text-align: left; }
}

/* ---------- Positionstabellen (Kalkulation) ---------- */
.pos-table input, .pos-table select { padding: .45rem .5rem; font-size: .95rem; }
.pos-table td { vertical-align: middle; }
.pos-table .col-remove { width: 2.5rem; text-align: center; }
.pos-table .btn-remove-row { background: transparent; color: var(--color-danger-text); border: none; min-height: auto; padding: .2rem .5rem; font-size: 1.1rem; cursor: pointer; }
.pos-table .col-summe { white-space: nowrap; text-align: right; }
.add-row-btn { margin-top: .6rem; }

/* ---------- Tabs (Stammdaten) ---------- */
.tabs { display: flex; gap: .3rem; border-bottom: 1px solid var(--color-border); margin-bottom: 1rem; }
.tab-link { padding: .6rem 1rem; text-decoration: none; color: var(--color-primary); border-bottom: 3px solid transparent; }
.tab-link.active { border-bottom-color: var(--color-primary); font-weight: 700; color: var(--color-primary-dark); }

/* ---------- Nachkalkulation Abweichungen ---------- */
.abw-negativ { color: var(--color-danger-text); font-weight: 700; }
.abw-positiv { color: var(--color-success-text); font-weight: 700; }
.abw-neutral { color: #6b6259; }

/* ---------- Filter-Leiste ---------- */
.filter-bar { display: flex; gap: .8rem; flex-wrap: wrap; align-items: flex-end; margin-bottom: 1rem; }
.filter-bar > div { flex: 1; min-width: 200px; }

/* ---------- Druckansicht ---------- */
@media print {
    .site-header, .no-print { display: none !important; }
    body { background: #fff; }
    .site-main { max-width: none; padding: 0; margin: 0; }
    .card { box-shadow: none; }
}