/* Rechnungstool – schlichtes, druckfreundliches Design ohne Build-Schritt */
:root {
    --bg: #f4f5f7;
    --card: #ffffff;
    --text: #1f2733;
    --muted: #6b7683;
    --line: #e3e7ec;
    --primary: #2f6fed;
    --primary-dark: #1f57c9;
    --green: #1f9d55;
    --green-bg: #e6f5ec;
    --red: #d64545;
    --red-bg: #fbe9e9;
    --amber: #b7791f;
    --amber-bg: #fdf3e0;
    --gray-bg: #eef0f3;
    --radius: 10px;
    --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.5;
    font-size: 15px;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.topbar {
    background: #fff;
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    height: 58px;
}
.brand {
    font-weight: 700;
    font-size: 17px;
    color: var(--text);
    margin-right: 12px;
    white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.nav { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; flex: 1; }
.nav a {
    color: var(--muted);
    padding: 8px 12px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 14px;
}
.nav a:hover { background: var(--gray-bg); text-decoration: none; color: var(--text); }
.nav a.active { background: #eaf1fe; color: var(--primary-dark); }
.nav-logout { margin-left: auto; }

/* Burger (nur mobil sichtbar) */
.nav-toggle { display: none; }
.burger {
    display: none;
    margin-left: auto;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 9px;
    border-radius: 8px;
    cursor: pointer;
}
.burger:hover { background: var(--gray-bg); }
.burger span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--text);
    border-radius: 2px;
    transition: transform .2s ease, opacity .2s ease;
}

.container { max-width: 1080px; margin: 0 auto; padding: 24px 20px 64px; }
.narrow { max-width: 720px; }

.page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.page-head h1 { font-size: 22px; margin: 0; }
.page-head .sub { color: var(--muted); font-size: 14px; margin-top: 2px; }

/* Cards */
.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 18px;
}
.card h2 { font-size: 15px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); margin: 0 0 14px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    line-height: 1.2;
}
.btn:hover { background: var(--gray-bg); text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { color: var(--red); border-color: #f0cccc; background: #fff; }
.btn-danger:hover { background: var(--red-bg); }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--gray-bg); }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* Tables */
table.list { width: 100%; border-collapse: collapse; }
table.list th, table.list td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--line); }
table.list th { font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; }
table.list tbody tr:hover { background: #fafbfc; }
table.list td.num, table.list th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; }

/* Forms */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 18px; }
.form-grid .full { grid-column: 1 / -1; }
label.field { display: block; }
label.field > span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; font-weight: 500; }
input[type=text], input[type=email], input[type=number], input[type=date],
input[type=password], select, textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #cdd3da;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    background: #fff;
    color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid #bcd2fb; border-color: var(--primary); }
textarea { resize: vertical; min-height: 68px; }
.checkbox { display: flex; align-items: center; gap: 8px; }
.checkbox input { width: auto; }
.hint { color: var(--muted); font-size: 12px; margin-top: 4px; }
.errors { background: var(--red-bg); border: 1px solid #f0cccc; color: #922; padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; }
.errors ul { margin: 4px 0 0; padding-left: 18px; }

/* Badges */
.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-gray { background: var(--gray-bg); color: var(--muted); }
.badge-blue { background: #eaf1fe; color: var(--primary-dark); }
.badge-green { background: var(--green-bg); color: var(--green); }
.badge-red { background: var(--red-bg); color: var(--red); }
.badge-amber { background: var(--amber-bg); color: var(--amber); }

/* Flash */
.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 18px; font-weight: 500; }
.flash-ok { background: var(--green-bg); color: var(--green); border: 1px solid #bfe6cd; }
.flash-err { background: var(--red-bg); color: var(--red); border: 1px solid #f0cccc; }

/* Stat tiles */
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.tile .label { color: var(--muted); font-size: 13px; }
.tile .value { font-size: 24px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }
.tile .value.green { color: var(--green); }
.tile .value.red { color: var(--red); }
.tile .value.amber { color: var(--amber); }

/* Positions editor */
table.positionen { width: 100%; border-collapse: collapse; }
table.positionen th { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; text-align: left; padding: 6px 8px; }
table.positionen td { padding: 4px 6px; vertical-align: top; }
table.positionen input, table.positionen textarea { padding: 6px 8px; }
table.positionen .num input { text-align: right; }
.pos-gesamt { text-align: right; font-variant-numeric: tabular-nums; padding-top: 12px; font-weight: 600; }
.summe-box { margin-top: 16px; margin-left: auto; max-width: 320px; }
.summe-box .row { display: flex; justify-content: space-between; padding: 4px 0; font-variant-numeric: tabular-nums; }
.summe-box .row.total { border-top: 2px solid var(--line); margin-top: 6px; padding-top: 8px; font-weight: 700; font-size: 17px; }

.muted { color: var(--muted); }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.mt { margin-top: 18px; }
.empty { text-align: center; color: var(--muted); padding: 40px 20px; }

.address-block { white-space: pre-line; }

/* Pagination (Bootstrap-4-Markup) */
.pagination { display: flex; gap: 4px; list-style: none; padding: 0; margin: 18px 0 0; flex-wrap: wrap; }
.pagination .page-link { display: inline-block; padding: 6px 11px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--text); font-size: 14px; }
.pagination .page-link:hover { background: var(--gray-bg); text-decoration: none; }
.pagination .page-item.active .page-link { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination .page-item.disabled .page-link { color: #c3c9d0; }

@media (max-width: 720px) {
    .tiles { grid-template-columns: repeat(2, 1fr); }
    .form-grid { grid-template-columns: 1fr; }

    /* Burger-Menü statt Leiste */
    .topbar-inner { position: relative; }
    .burger { display: flex; }

    .nav {
        display: none;
        position: absolute;
        top: 58px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        padding: 8px;
        background: #fff;
        border-bottom: 1px solid var(--line);
        box-shadow: 0 8px 16px rgba(16, 24, 40, .08);
        z-index: 20;
    }
    .nav-toggle:checked ~ .nav { display: flex; }

    .nav a { padding: 12px; font-size: 15px; }
    .nav-logout { margin: 6px 0 0; border-top: 1px solid var(--line); padding-top: 8px; }
    .nav-logout .btn { width: 100%; justify-content: center; }

    /* Burger wird beim Öffnen zum X */
    .nav-toggle:checked ~ .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle:checked ~ .burger span:nth-child(2) { opacity: 0; }
    .nav-toggle:checked ~ .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* Login */
.login-wrap { max-width: 380px; margin: 8vh auto; }
.login-wrap .card { padding: 28px; }
.login-wrap h1 { font-size: 20px; margin: 0 0 4px; }