* { box-sizing: border-box; font-family: -apple-system, Roboto, "Segoe UI", Arial, sans-serif; }
body { margin: 0; background: #f4f4f4; color: #1a1a1a; }

.screen { display: none; min-height: 100vh; }
.screen.active { display: block; }

header {
    background: #1a1a1a; color: #fff;
    padding: 16px; display: flex; align-items: center; gap: 12px;
    position: sticky; top: 0; z-index: 10;
}
header h1 { font-size: 1.2rem; margin: 0; flex: 1; }
.logo-small { height: 32px; }
.content { padding: 16px; max-width: 480px; margin: 0 auto; }
.content.breit { max-width: 1100px; }
#screen-admin .content,
#screen-extra .content,
#screen-auswertung .content { max-width: 100%; padding: 16px 24px; }

.card { background: #fff; border-radius: 12px; padding: 32px 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08); max-width: 360px; margin: 80px auto; text-align: center; }
.card.center { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.logo { height: 64px; }

label { display: block; margin: 16px 0 4px; font-weight: 600; font-size: 0.9rem; }
input, select, textarea { width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 8px; font-size: 1rem; }
select { background: #fff; }
input[type=checkbox], input[type=radio] { width: auto; padding: 0; flex-shrink: 0; }

.btn {
    display: inline-block; border: none; border-radius: 8px;
    padding: 14px 20px; font-size: 1rem; font-weight: 600;
    cursor: pointer; text-align: center; text-decoration: none;
}
.btn.primary   { background: #9e1b1e; color: #fff; }
.btn.secondary { background: #e0e0e0; color: #1a1a1a; }
.btn.danger    { background: #b00020; color: #fff; }
.btn.admin     { background: #1a1a1a; color: #fff; }
.btn.big       { display: block; width: 100%; margin-bottom: 12px; padding: 18px; font-size: 1.1rem; }
.btn.back      { background: transparent; color: #fff; font-size: 1.4rem; padding: 4px 8px; }
.btn-sm        { padding: 6px 12px; font-size: 0.85rem; border-radius: 6px; border: none; cursor: pointer; font-weight: 600; }

.button-row { display: flex; gap: 12px; margin-top: 20px; }
.button-row .btn { flex: 1; }

.eintrag {
    background: #fff; border-radius: 10px; padding: 14px; margin-bottom: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12); cursor: pointer;
    border-left: 4px solid #9e1b1e;
}
.eintrag .zeile1 { font-weight: 600; }
.eintrag .zeile2 { color: #666; font-size: 0.9rem; margin-top: 4px; }

/* Tabs */
.tab-nav { display: flex; gap: 4px; margin-bottom: 16px; overflow-x: auto; padding-bottom: 4px; }
.tab-btn {
    flex-shrink: 0; padding: 8px 14px; border: 2px solid #e0e0e0;
    border-radius: 8px; background: #fff; font-weight: 600; font-size: 0.85rem; cursor: pointer;
}
.tab-btn.active { background: #1a1a1a; color: #fff; border-color: #1a1a1a; }
.tab-content { display: none; }
.tab-content.active { display: block; }

.add-form { margin-top: 16px; padding: 14px; background: #fff;
    border-radius: 10px; box-shadow: 0 1px 4px rgba(0,0,0,0.06); }

/* Toast */
#toast {
    position: fixed; bottom: -80px; left: 50%; transform: translateX(-50%);
    background: #1a1a1a; color: #fff; padding: 12px 24px; border-radius: 24px;
    font-weight: 600; transition: bottom 0.3s ease; z-index: 999; white-space: nowrap;
}
#toast.toast-show { bottom: 32px; }
#toast.toast-show.success { background: #2e7d32; }
#toast.toast-show.error   { background: #b00020; }

/* Modal */
#modal-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.5); z-index: 100;
    align-items: center; justify-content: center; padding: 16px;
}
#modal-overlay.active { display: flex; }
.modal {
    background: #fff; border-radius: 12px; padding: 24px;
    width: 100%; max-width: 400px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.modal h3 { margin: 0 0 16px; font-size: 1.1rem; }
.modal-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.modal-table td { padding: 4px 8px 4px 0; vertical-align: top; }
.modal-table td:first-child { color: #666; white-space: nowrap; padding-right: 12px; }
#detail-inhalt p { margin: 6px 0; }

/* Datumsfilter (Meine Tankvorgänge) */
.datumsfilter { background:#fff; border-radius:10px; padding:12px 14px;
    margin-bottom:12px; box-shadow:0 1px 4px rgba(0,0,0,0.06); }
.datumsfilter-felder { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.datumsfilter-gruppe { display:flex; flex-direction:column; gap:3px; flex:1; min-width:130px; }
.datumsfilter-gruppe label { margin:0; font-size:0.82rem; font-weight:600; }
.datumsfilter-gruppe input { width:100%; padding:8px 10px; font-size:0.9rem; }
/* Admin-Toolbar Von/Bis Labels */
.tv-label { font-size:0.82rem; font-weight:600; white-space:nowrap; color:#1a1a1a; }

/* Admin Tankvorgänge Tabelle */
.tv-toolbar { display:flex; gap:12px; align-items:center; margin-bottom:12px; flex-wrap:wrap; }
.tv-toolbar input { flex:1; min-width:200px; padding:8px 12px; font-size:0.9rem; }
#admin-tv-container { overflow-x:auto; }
.tv-table { width:100%; border-collapse:collapse; font-size:0.85rem; background:#fff;
    border-radius:10px; overflow:hidden; box-shadow:0 1px 4px rgba(0,0,0,0.06); }
.tv-table th { background:#1a1a1a; color:#fff; padding:10px 12px; text-align:left;
    font-size:0.8rem; white-space:nowrap; }
.tv-table td { padding:8px 12px; border-bottom:1px solid #f0f0f0; vertical-align:middle; white-space:nowrap; }
.tv-table tr:last-child td { border-bottom:none; }
.tv-table tr:hover td { background:#fafafa; }
.tv-table td.wrap { white-space:normal; min-width:160px; }
.tv-edit-row td { background:#fff8e1 !important; padding:4px 6px; }
.tv-edit-row input, .tv-edit-row select { padding:5px 8px; font-size:0.82rem; border:1px solid #ccc;
    border-radius:6px; width:100%; min-width:80px; }

/* Einstellungen */
.settings-group { background:#fff; border-radius:10px; padding:16px; box-shadow:0 1px 4px rgba(0,0,0,0.06); }
.settings-group h3 { margin:0 0 12px; font-size:1rem; }
.hint { font-size:0.82rem; color:#888; margin:4px 0 0; }
.secret-ok   { background:#e8f5e9; color:#2e7d32; padding:8px 12px; border-radius:8px; font-size:0.9rem; margin-bottom:12px; }
.secret-fehlt { background:#ffebee; color:#b00020; padding:8px 12px; border-radius:8px; font-size:0.9rem; margin-bottom:12px; }