:root {
    --color-bg: #f4f6f8;
    --color-card: #ffffff;
    --color-primary: #1d6f42;
    --color-primary-dark: #14512f;
    --color-danger: #c0392b;
    --color-danger-bg: #fdecea;
    --color-success: #1d6f42;
    --color-success-bg: #e8f5ec;
    --color-text: #212529;
    --color-muted: #6b7280;
    --color-border: #e2e5e9;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; }

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

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

.topbar {
    background: var(--color-primary);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}
.topbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    padding: 12px 16px;
    gap: 16px;
}
.brand { color: #fff; font-weight: 700; font-size: 1.2rem; margin-right: auto; }
.brand:hover { text-decoration: none; }
.mainnav { display: none; gap: 18px; }
.mainnav a, .topbar-user a { color: #fff; opacity: 0.92; }
.topbar-user { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.user-name { font-weight: 600; display: none; }
.nav-toggle {
    background: none; border: none; color: #fff; font-size: 1.4rem; cursor: pointer;
    padding: 4px 8px;
}
.hamburger, .hamburger::before, .hamburger::after {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
}
.hamburger { position: relative; }
.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}
.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }
.mobilenav {
    display: none;
    flex-direction: column;
    background: var(--color-primary-dark);
    padding: 8px 16px 16px;
}
.mobilenav.open { display: flex; }
.mobilenav a { color: #fff; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.12); }

@media (min-width: 800px) {
    .mainnav { display: flex; }
    .user-name { display: inline; }
    .nav-toggle { display: none; }
    .mobilenav { display: none !important; }
}

.content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 16px 60px;
}

.footer {
    text-align: center;
    color: var(--color-muted);
    font-size: 0.8rem;
    padding: 24px 0 40px;
}

.card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
}

h1 { font-size: 1.4rem; margin: 0 0 16px; }
h2 { font-size: 1.15rem; margin: 0 0 12px; }

.flash {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-weight: 500;
}
.flash-success { background: var(--color-success-bg); color: var(--color-success); }
.flash-error { background: var(--color-danger-bg); color: var(--color-danger); }

.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-weight: 600; margin-bottom: 5px; font-size: 0.9rem; }
input, select, textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 0.95rem;
    background: #fff;
    color: var(--color-text);
    font-family: inherit;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}
@media (min-width: 640px) {
    .form-grid.cols-2 { grid-template-columns: 1fr 1fr; }
    .form-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
}

.btn {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
}
.btn:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-secondary { background: #6b7280; }
.btn-secondary:hover { background: #4b5563; }
.btn-danger { background: var(--color-danger); }
.btn-danger:hover { background: #96291e; }
.btn-small { padding: 6px 12px; font-size: 0.82rem; }
.btn-link {
    background: none; border: none; color: inherit; padding: 0; cursor: pointer;
    text-decoration: underline; font-size: inherit;
}

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { padding: 10px 8px; border-bottom: 1px solid var(--color-border); text-align: left; white-space: nowrap; }
th { font-size: 0.78rem; text-transform: uppercase; color: var(--color-muted); letter-spacing: 0.02em; }
td.beschreibung, th.beschreibung { white-space: normal; min-width: 160px; }
.betrag-einnahme { color: var(--color-success); font-weight: 600; }
.betrag-ausgabe { color: var(--color-danger); font-weight: 600; }
.saldo-cell { font-weight: 700; }

.badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
}
.badge-verantwortlich { background: #e8f5ec; color: #1d6f42; }
.badge-stellvertreter { background: #eaf1fb; color: #2a5db0; }
.badge-admin { background: #fdf0e3; color: #b5651d; }
.badge-inactive { background: #f1f1f1; color: #888; }

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 16px;
}
.toolbar .spacer { flex: 1; }

.kb-select {
    max-width: 320px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}
@media (min-width: 640px) {
    .summary-grid { grid-template-columns: repeat(4, 1fr); }
}
.summary-box {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 14px;
    text-align: center;
}
.summary-box .label { font-size: 0.75rem; color: var(--color-muted); text-transform: uppercase; }
.summary-box .value { font-size: 1.2rem; font-weight: 700; margin-top: 4px; }

.modal-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    align-items: flex-start;
    justify-content: center;
    padding: 20px 12px;
    overflow-y: auto;
}
.modal-overlay.open { display: flex; }
.modal {
    background: #fff;
    border-radius: var(--radius);
    padding: 22px;
    max-width: 520px;
    width: 100%;
    margin-top: 30px;
}
.modal-close { float: right; background: none; border: none; font-size: 1.3rem; cursor: pointer; color: var(--color-muted); }

.receipt-link { display: inline-flex; align-items: center; gap: 4px; }

.month-nav { display: flex; align-items: center; gap: 10px; }
.month-nav strong { min-width: 140px; text-align: center; }

.helptext { color: var(--color-muted); font-size: 0.82rem; margin-top: 4px; }