:root {

    --farbe-hintergrund: #f4f6f8;
    --farbe-weiss: #ffffff;

    --farbe-text: #1f2933;
    --farbe-grau: #6b7280;

    --farbe-akzent: #355c7d;
    --farbe-akzent-hover: #2c4d68;

    --farbe-rahmen: #c8d0d8;

    --radius: 0.75rem;

}

/* Basis */

* {
    box-sizing: border-box;
}

body {

    margin: 0;
    padding: 0;

    font-family:
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    background: var(--farbe-hintergrund);
    color: var(--farbe-text);

}

main {

    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;

}

h1,
h2,
h3 {

    margin-top: 0;

}

/* Startseite */

.startseite {

    max-width: 600px;
    margin: 15vh auto;
    /* text-align: left;*/

}

.startseite h1 {

    font-size: 3rem;
    margin-bottom: 0.5rem;

}

.untertitel {

    font-size: 1.3rem;
    color: var(--farbe-grau);
    margin-bottom: 2rem;

}

/* Kopf */

.kopf {

    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 1rem 2rem;

    background: var(--farbe-weiss);
    border-bottom: 1px solid var(--farbe-rahmen);

}

.logo {

    font-size: 1.4rem;
    font-weight: 700;

}
.logo-link {

    display: flex;
    flex-direction: column;

    color: inherit;
    text-decoration: none;

}

.logo-link:hover {

    color: inherit;
    text-decoration: none;

}

.logo-link:visited {

    color: inherit;

}

.slogan {

    font-size: 0.95rem;
    color: var(--farbe-grau);

}

.kopf nav {

    display: flex;
    gap: 1rem;

}

.kopf nav a {

    text-decoration: none;
    color: var(--farbe-akzent);
    font-weight: 600;

}

.kopf nav a:hover {

    text-decoration: underline;

}

/* Formulare */

form {

    display: flex;
    flex-direction: column;
    gap: 1rem;

}

label {

    display: flex;
    flex-direction: column;
    gap: 0.3rem;

}

input,
select,
textarea {

    width: 100%;

    padding: 0.75rem;

    border: 1px solid var(--farbe-rahmen);
    border-radius: var(--radius);

    font: inherit;

}

/* Formularspalten */

.zweispalten {

    display: grid !important;
    grid-template-columns: 4fr 1fr !important;
    gap: 1rem;

}

.zweispalten-plz {

    display: grid !important;
    grid-template-columns: 1fr 3fr !important;
    gap: 1rem;

}

.zweispalten-gleich {

    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 1rem;

}
/* info */
.zweispalten-13-23 {

    display: grid !important;
    grid-template-columns: 1fr 2fr !important;
    gap: 1rem;

}
.zweispalten-23-13 {
    display: grid !important;
    grid-template-columns: 2fr 1fr !important;
    gap: 1rem;
}
/* Buttons */

.button,
button {

    display: inline-block;

    padding: 0.9rem 1.8rem;

    border: none;
    border-radius: var(--radius);

    background: var(--farbe-akzent);
    color: #fff;

    text-decoration: none;
    font-weight: 600;

    cursor: pointer;

}

.button:hover,
button:hover {

    background: var(--farbe-akzent-hover);

}

.buttonleiste {

    display: flex;
    justify-content: space-between;
    align-items: center;

    gap: 1rem;
    margin-top: 2rem;

}
.positionsvorlage-button {
    background: #fff;
    color: #2563eb;
    border: 1px solid #2563eb !important;
}

.positionsvorlage-button:hover {
    background: #2563eb;
    color: #fff;
}

.positionsvorlage-button.aktiv {
    background: #2563eb;
    color: #fff;
    border: 1px solid #2563eb;
}

.positionsvorlage-button.inaktiv {
    background: #fff;
    color: #2563eb;
    border: 1px solid #2563eb;
}
/* Karten */

.karte {

    position: relative;
    z-index: 1;

    background: var(--farbe-weiss);

    border: 1px solid var(--farbe-rahmen);
    border-radius: var(--radius);

    padding: 1rem;
    margin-bottom: 1rem;

}

/* Tabellen */

table {

    width: 100%;

    border-collapse: collapse;

    background: var(--farbe-weiss);

}

th,
td {

    padding: 0.75rem;

    border-bottom: 1px solid var(--farbe-rahmen);

    text-align: left;

}

th {

    font-weight: 700;

    background: var(--farbe-hintergrund);

}

tr:hover {

    background: #f8fafc;

}

/* Rechnungsvorschau */

.rechnung-positionen .pos-text {

    width: 70%;

}

.rechnung-positionen .pos-menge {

    width: 15%;
    text-align: right;

}

.rechnung-positionen .pos-netto {

    width: 15%;
    text-align: right;

}

.positionsbeschreibung {

    margin-top: 0.35rem;
    color: var(--farbe-text);

}

.positionsdetails {

    margin-top: 0.35rem;
    color: var(--farbe-grau);
    font-size: 0.95rem;

}

.summenbereich {

    display: flex;
    justify-content: flex-end;

    width: 100%;
    margin-top: 1rem;

}

.summenblock {

    width: 260px;

}

.summenzeile {

    display: grid;
    grid-template-columns: 1fr 120px;
    gap: 1rem;

    padding: 0.25rem 0;

}

.summenzeile span:last-child {

    text-align: right;

}

.summenzeile-brutto {

    font-weight: 700;

    border-top: 2px solid var(--farbe-rahmen);

    margin-top: 0.5rem;
    padding-top: 0.5rem;

}

/* Handy */

@media (max-width: 700px) {

    .kopf {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .kopf nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .zweispalten,
    .zweispalten-plz,
    .zweispalten-gleich,
    .zweispalten-13-23,
    .zweispalten-23-13 {
        grid-template-columns: 1fr !important;
    }
}
.dreispalten-gleich {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

.kundendaten-import-zeile {
    text-align: center;
    margin: 6px 0 34px 0;
}
.kundendaten-import-zeile button {
    display: inline-block;
}
.leitbild {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
    text-align: left;
}

.leitbild li {
    margin: 0.6rem 0;
    font-size: 1.1rem;
}

.leitbild li:last-child {
    margin-top: 1rem;
    font-size: 1.25rem;
}
.kunden-dropzone {
    margin-top: 10px;
    padding: 22px;
    border: 2px dashed #999;
    border-radius: 10px;
    text-align: center;
    background: #fafafa;
}

.kunden-dropzone.dragover {
    background: #eef4ff;
    border-color: #3366cc;
}

.kunden-dropzone-hinweis {
    margin: 8px 0 14px 0;
    color: #666;
}
/* neue Index */
.start-oben {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1.5rem;
    align-items: stretch;
}

@media (max-width: 800px) {
    .start-oben {
        grid-template-columns: 1fr;
    }
}

.invite-box {
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid var(--farbe-rahmen);
    border-radius: var(--radius);
    background: #f8fafc;
}
.invite-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.35);

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 1rem;
}

.invite-dialog {
    width: min(640px, 100%);
    background: var(--farbe-weiss);

    border: 1px solid var(--farbe-rahmen);
    border-radius: var(--radius);

    padding: 1.5rem;
}

.invite-dialog-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;

    margin-top: 1rem;
}

/* Rechnung neu */

.dokumenttyp-container {
    position: relative;
}

.dokumenttyp-tabs {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    margin: 0;
    padding: 0;
    position: relative;
    z-index: 3;
}

.dokumenttyp-tab {
    min-width: 13rem;
    padding: 1.2rem 2rem;
    border: 1px solid var(--farbe-rahmen);
    border-radius: var(--radius) var(--radius) 0 0;
    background: #edf2f7;
    color: var(--farbe-akzent);
    font-weight: 700;
    font-size: 1.8rem;
    text-align: center;
    cursor: pointer;
    position: relative;
    z-index: 1;
}

.dokumenttyp-tab input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.dokumenttyp-tab.aktiv {
    background: #fff;
    color: var(--farbe-text);
    border-bottom: 1px solid #fff;
    z-index: 4;
}

.dokumenttyp-inhalt {
    border: 1px solid var(--farbe-rahmen);
    border-radius: 0 var(--radius) var(--radius) var(--radius);
    padding: 3.5rem 1.5rem 1.5rem 1.5rem;
    background: #fff;
    position: relative;
    z-index: 2;
    margin-top: -1px;
}

.empfaenger-kopfzeile {
    display: grid;
    grid-template-columns: 1fr minmax(220px, 360px);
    gap: 1.5rem;
    align-items: start;
}

.preisart-kopf {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
}

.preisart-button {
    padding: 0.25rem 0.85rem;
    border-radius: 999px;
    font-size: 0.85rem;
    line-height: 1.2;
}

@media (max-width: 800px) {
    .dokumenttyp-tabs {
        gap: 0.5rem;
    }

    .dokumenttyp-tab {
        min-width: 0;
        flex: 1;
        padding: 1rem;
        font-size: 1.35rem;
    }

    .dokumenttyp-inhalt {
        border-radius: 0 0 var(--radius) var(--radius);
        padding-top: 2.5rem;
    }

    .empfaenger-kopfzeile {
        grid-template-columns: 1fr;
    }
}
/* Vorschau-Prüfung */
.pruefen {
    display: inline-block;
    margin-left: 0.5rem;
    padding: 0.15rem 0.45rem;
    border: 1px solid #b91c1c;
    border-radius: 0.4rem;
    color: #b91c1c;
    font-size: 0.85em;
    font-weight: 700;
}
.nummer-hinweis:empty {
    display: none;
}