/* Basisstile und neue Anpassungen v1.0.1 */
:root {
    --primary-color: #4f8ff7;
    --primary-hover-color: #3b82f6;
    --secondary-color: #1e293b;
    --secondary-hover-color: #27364a;
    --light-bg-color: #243247;
    --border-color: #3c4f67;
    --text-color: #dce7f5;
    --text-color-light: #f3f7ff;
    --white-color: #0b1a2e;
    --accent-color: #fd7e14;
    --accent-hover-color: #e85a00;
    --success-color: #28a745;
    --success-hover-color: #218838;
    --success-light-bg: rgba(40, 167, 69, 0.1);
    --shadow-sm: 0 .125rem .25rem rgba(0,0,0,.075);
    --shadow-md: 0 .5rem 1rem rgba(0,0,0,.15);
    --border-radius: 0.25rem;
}

body {
    font-family: 'Segoe UI', 'Inter', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: #111c2f;
    color: var(--text-color);
    font-size: 15px;
    line-height: 1.5;
    overflow: hidden; /* Verhindert Scrollen des Body bei Vollbild-Layout */
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    background-color: #111c2f;
    position: relative;
}

#zurueck-startseite-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.92em;
    font-weight: 600;
    padding: 6px 10px;
    border: 1px solid #334155;
    border-radius: var(--border-radius);
    background-color: #243247;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    position: fixed;
    top: 12px;
    left: 15px;
    right: auto;
    z-index: 1101;
    box-shadow: var(--shadow-md);
}

#zurueck-startseite-link:hover {
    color: #0f172a;
    background-color: #facc15;
    border-color: #facc15;
}

.upload-bereich {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 15px;
    padding: 12px 20px;
    background-color: #1a273b;
    color: var(--text-color-light);
    border-bottom: 1px solid #1e293b;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
    align-items: center;
}

.upload-feld {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: #223148;
    padding: 5px 10px;
    border-radius: var(--border-radius);
    border: 1px solid #334155;
}

.upload-feld input[type="file"] {
    color: var(--text-color-light);
    max-width: 400px;
    width: 300px;
}
.upload-feld input[type="file"]::file-selector-button {
    background-color: var(--primary-color);
    color: #f8fafc;
    border: 1px solid var(--primary-color);
    padding: 4px 8px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    font-size: 0.9em;
}
.upload-feld input[type="file"]::file-selector-button:hover {
    background-color: #facc15;
    border-color: #facc15;
    color: #0f172a;
}

.dateiname {
    font-size: 0.85em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 220px;
    color: #ccc;
    cursor: default;
    padding-left: 5px;
}
.upload-feld:has(input[type="file"]:invalid) + .dateiname {
     color: #aaa;
}

.pdf-anzeige-bereich {
    display: flex;
    flex-grow: 1;
    overflow: hidden; /* Wichtig, damit Container intern scrollen */
    background-color: #111c2f;
}

.pdf-container {
    flex: 1;
    border-left: 1px solid var(--border-color);
    overflow: auto; /* Ermöglicht Scrollen innerhalb jedes Containers */
    position: relative;
    background-color: #15253a;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px;
    box-sizing: border-box;
}

.pdf-container:first-child {
    border-left: none;
}

.pdf-container canvas {
    display: block;
    background-color: #223148;
    max-width: none;
    width: auto;
    height: auto;
    box-shadow: var(--shadow-sm);
    margin: 0 auto;
    image-rendering: auto;
    transform: translateZ(0);
}


.overlay-canvas {
    position: absolute;
    top: 0; /* Positionierung relativ zum PDF-Container anpassen */
    left: 50%; /* Zentrieren */
    transform: translateX(-50%); /* Horizontale Zentrierung abschließen */
    pointer-events: none;
    display: none;
    z-index: 5;
}


.pdf-info {
    padding: 8px 15px;
    background-color: #223148;
    border-top: 1px solid var(--border-color);
    font-size: 0.8em;
    color: #cbd5e1;
    line-height: 1.3;
    word-wrap: break-word;
    min-height: 35px;
    box-sizing: border-box;
    width: 100%;
    margin-top: auto; /* Schiebt Info-Bereich nach unten */
    text-align: center;
    flex-shrink: 0; /* Verhindert Schrumpfen des Info-Bereichs */
}

.rabatt-info {
    font-weight: bold;
    color: var(--accent-color);
    display: block;
    min-height: 1em; /* Sorgt dafür, dass der Platz auch ohne Text gehalten wird */
}


.lade-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(52, 58, 64, 0.88);
    color: var(--text-color-light);
    border-radius: var(--border-radius);
    padding: 15px 25px;
    min-width: 180px;
    text-align: center;
    font-size: 1.0em;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    z-index: 10;
    display: none;
    justify-content: center;
    align-items: center;
}

.unten-links-container {
    position: fixed;
    bottom: calc(15px + 3%);
    left: 15px;
    display: flex;
    flex-direction: row; /* Standardmäßig nebeneinander */
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 15px; /* Etwas mehr Abstand zwischen den Elementen in der Reihe */
    z-index: 1000;
    background-color: #1a273b;
    padding: 10px 12px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid #334155;
}

.navigations-panel {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: nowrap;
    justify-content: flex-start;
}

button {
    padding: 5px 10px;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.9em;
    font-weight: 500;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
    line-height: 1.4;
    white-space: nowrap;
}
button:focus {
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(23, 162, 184, 0.35);
}
button:disabled {
    opacity: 0.5;
    cursor: default;
    box-shadow: none;
}
.navigations-panel button {
    background-color: var(--primary-color);
    color: #f8fafc;
    border-color: var(--primary-color);
    flex-shrink: 0;
}
.navigations-panel button:hover:not(:disabled) {
    background-color: var(--primary-hover-color);
    border-color: var(--primary-hover-color);
}
.navigations-panel input[type="number"] {
    width: 50px;
    text-align: right;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 4px 6px;
    font-size: 0.9em;
    flex-shrink: 0;
}
.navigations-panel input[type="number"]:focus {
     border-color: var(--primary-color);
     box-shadow: 0 0 0 0.1rem rgba(23, 162, 184, 0.25);
     outline: none;
}
.navigations-panel span {
    flex-shrink: 0;
}

.checkbox-unten-links-feld, .button-unten-links-feld {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 0;
    font-size: 0.9em;
    cursor: default;
}

.cmyk-kanal-container {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 4px 10px;
    border-radius: var(--border-radius);
    border: 1px solid #334155;
    background: #243247;
    color: #cbd5e1;
    font-size: 0.85em;
    font-weight: 500;
    gap: 10px;
    flex-wrap: wrap;
}

.cmyk-kanal-container .kanal-ueberschrift {
    font-weight: 700;
    color: #dce7f5;
    letter-spacing: 0.04em;
}

.cmyk-kanal-container label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    user-select: none;
    color: #dce7f5;
}

.cmyk-kanal-container input[type="checkbox"] {
    accent-color: #facc15;
    cursor: pointer;
}
.checkbox-unten-links-feld label {
    cursor: pointer;
    user-select: none;
    padding-right: 5px;
    white-space: nowrap;
}
.checkbox-unten-links-feld input[type="checkbox"] {
    cursor: pointer;
    accent-color: var(--primary-color);
    margin-right: 4px;
    flex-shrink: 0;
}
#report-erstellen-button {
    background-color: var(--accent-color);
    color: var(--white-color);
    border-color: var(--accent-color);
    padding: 4px 8px;
    flex-shrink: 0;
}

#rabatt-report-erstellen-button {
    background-color: var(--success-color);
    color: #f8fafc;
    border-color: var(--success-color);
    padding: 4px 8px;
    flex-shrink: 0;
}

#kanal-report-erstellen-button {
    background-color: #0891b2;
    color: #f8fafc;
    border-color: #0891b2;
    padding: 4px 8px;
    flex-shrink: 0;
}

#pdf-zusammenfuehren-button {
    background-color: var(--primary-color);
    color: #f8fafc;
    border-color: var(--primary-color);
    padding: 4px 10px;
    flex-shrink: 0;
}

.unten-links-container[style*="flex-direction: row;"] .checkbox-unten-links-feld > #report-erstellen-button,
.unten-links-container:not([style*="flex-direction: column;"]) .checkbox-unten-links-feld > #report-erstellen-button {
    margin-left: 10px;
}


#report-erstellen-button:hover:not(:disabled) {
    background-color: var(--accent-hover-color);
    border-color: var(--accent-hover-color);
}
#report-erstellen-button:disabled {
    background-color: #aaa;
    border-color: #888;
    opacity: 0.6;
}
#rabatt-report-erstellen-button:hover:not(:disabled) {
    background-color: var(--success-hover-color);
    border-color: var(--success-hover-color);
}

#kanal-report-erstellen-button:hover:not(:disabled) {
    background-color: #0e7490;
    border-color: #0e7490;
}

#pdf-zusammenfuehren-button:hover:not(:disabled) {
    background-color: #facc15;
    border-color: #facc15;
    color: #0f172a;
}

.checkbox-unten-links-feld input[type="checkbox"]:checked + label {
}

.status-leiste {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(33, 37, 41, 0.92);
    color: var(--text-color-light);
    padding: 20px 30px;
    border-radius: var(--border-radius);
    z-index: 2000;
    display: none;
    flex-direction: column;
    align-items: center;
    min-width: 300px;
    box-shadow: var(--shadow-md);
    text-align: center;
}
#status-text {
    margin-bottom: 15px;
    font-size: 1.1em;
}
.status-fortschritt-container {
    width: 100%;
    height: 18px;
    background-color: #3b4f68;
    border-radius: var(--border-radius);
    overflow: hidden;
}
#status-fortschritt {
    width: 0%;
    height: 100%;
    background-color: var(--primary-color);
    border-radius: var(--border-radius);
    transition: width 0.2s ease-out;
    text-align: center;
    line-height: 18px;
    color: white;
    font-size: 0.8em;
    font-weight: 600;
}

.detail-unterschiede-container {
    position: fixed;
    bottom: 15px;
    right: 15px;
    background-color: var(--secondary-color);
    color: var(--text-color-light);
    padding: 10px 15px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    z-index: 1001;
    display: flex;
    align-items: center;
    gap: 8px;
}
.detail-unterschiede-container input[type="checkbox"] {
    cursor: pointer;
    accent-color: var(--accent-color);
    transform: scale(1.1);
}
.detail-unterschiede-container label {
    cursor: pointer;
    user-select: none;
    font-size: 0.9em;
     white-space: nowrap;
}

@media (max-width: 992px) {
    .upload-bereich {
        gap: 10px;
        padding: 10px;
    }
    .dateiname {
         max-width: 100px;
    }
}

@media (max-width: 768px) {
    .upload-bereich {
        grid-template-columns: 1fr;
        gap: 8px;
    }
     .upload-feld {
        justify-content: space-between;
        width: 100%;
        box-sizing: border-box;
    }
     .dateiname {
         max-width: 150px;
    }
    .pdf-anzeige-bereich {
        flex-direction: column;
        overflow: auto;
    }
    .pdf-container {
        border-left: none;
        border-bottom: 1px solid var(--border-color);
        min-height: 60vh;
        padding: 5px;
    }
     .pdf-container:last-child {
        border-bottom: none;
    }

    .unten-links-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        width: auto; 
        max-width: calc(100% - 10px); 
        left: 5px;
        box-sizing: border-box;
        margin-bottom: 0;
        bottom: 3%;
    }
    .navigations-panel, .checkbox-unten-links-feld, .button-unten-links-feld, .cmyk-kanal-container {
        width: 100%;
    }
    #report-erstellen-button, #rabatt-report-erstellen-button, #kanal-report-erstellen-button, #pdf-zusammenfuehren-button {
       margin-left: 0; 
       margin-top: 5px; 
       width: 100%; 
    }

    .status-leiste {
        min-width: 85%;
        padding: 15px 20px;
    }
    .lade-overlay {
        min-width: 150px;
        padding: 10px 15px;
        font-size: 0.9em;
    }
    .detail-unterschiede-container {
        width: auto;
        max-width: calc(100% - 10px - 15px - 15px); 
        right: 15px; 
        left: auto;
        bottom: 15px;
        top: auto;
    }

    #zurueck-startseite-link {
        font-size: 0.86em;
        padding: 5px 8px;
        justify-content: center;
        top: 10px;
        left: 10px;
        right: auto;
    }
}

@media (max-width: 520px) { 
    .unten-links-container {
        width: calc(100% - 10px); 
        left: 5px;
        right: 5px;
        margin-bottom: 0;
        bottom: 3%;
        min-width: unset; 
    }

    .detail-unterschiede-container {
        width: calc(100% - 20px); 
        bottom: 15px; 
        top: auto;
        left: 10px; 
        right: 10px;
        max-width: none;
        justify-content: center;
    }
}