.btn-download {
    text-decoration: none !important; /* Entfernt den Unterstrich, !important für höhere Spezifität */
    display: inline-block; /* Sorgt dafür, dass der Button nur so breit ist wie sein Inhalt */
    padding: 10px 20px; /* Beispiel-Padding, kann angepasst werden */
    background-color: #4CAF50; /* Beispiel-Hintergrundfarbe (grün) */
    color: black !important; /* Geändert zu Schwarz */
    border-radius: 5px; /* Beispiel-Randradius */
    text-align: center;
    cursor: pointer;
    border: none; /* Entfernt Standard-Button-Rahmen, falls vorhanden */
    /* Entfernt spezifische Link-Stile, die von .success-message geerbt werden könnten */
    font-size: inherit; /* Erbt die Schriftgröße von .success-message */
}

.btn-download:hover {
    background-color: #45a049; /* Dunkleres Grün beim Hover */
    text-decoration: none !important; /* Stellt sicher, dass kein Unterstrich beim Hover erscheint */
}

:root {
    --primary-color: #2196F3;
    --danger-color: #f44336;
    --success-color: #4CAF50;
    --border-radius: 8px;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

body {
    margin: 0;
    padding: 20px;
    font-family: 'Segoe UI', Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.header {
    text-align: center;
    margin-bottom: 2rem;
}

.header img {
    max-width: 300px;
    height: auto;
    margin-bottom: 1rem;
}

/* PDF Container with Scrollbar */
#pdf-container {
    width: 100%;
    max-height: 600px;
    margin-bottom: 2rem;
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius);
    overflow-y: auto;
    background-color: #f5f5f5;
}

#pdf-pages {
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

#pdf-pages canvas {
    width: 100%;
    height: auto;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    background-color: white;
}

/* Form Styles */
.form-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background-color: #fff;
    border-radius: var(--border-radius);
    position: relative;
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #444;
}

input[type="text"],
input[type="email"] {
    width: 100%;
    padding: 0.75rem;
    font-size: 16px;
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius);
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="text"]:focus,
input[type="email"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.1);
}

/* Checkbox Styles */
.checkbox-group {
    margin: 2rem 0;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    border: 1px solid #e0e0e0;
    position: relative;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    margin: 0.3rem 0.5rem 0 0;
    width: 18px;
    height: 18px;
}

/* Signature Method Selection */
.signature-method-selection {
    margin: 20px 0;
    text-align: center;
}

.signature-method-selection h3 {
    margin-bottom: 10px;
    color: #444;
}

.signature-method-selection .btn-secondary {
    margin: 0 0;
    transition: all 0.2s;
}

.signature-method-selection .btn-secondary.active {
    background-color: var(--primary-color);
    color: white;
}

/* Signature Section Styles */
.signature-section {
    margin: 20px 0;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    position: relative;
}

.signature-section:nth-child(odd) {
    background-color: #f8f9fa;
}

.signature-section:nth-child(even) {
    background-color: #fff5f5;
}

/* Signature Group Styles */
.signature-group {
    margin: 1rem 0;
    padding: 1.5rem;
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius);
    background-color: white;
    position: relative;
}

.signature-group h3 {
    margin: 0 0 1rem 0;
    color: #444;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.signature-instruction {
    color: #666;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.signature-pad-container {
    position: relative;
    width: 100%;
}

.signature-pad-container canvas {
    width: 100%;
    height: 200px;
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius);
    background-color: white;
    touch-action: none;
}

.signature-buttons {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    justify-content: center;
}

.btn-secondary {
    background-color: #f0f0f0;
    color: #333;
    border: 1px solid #ccc;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background-color: #e0e0e0;
    box-shadow: var(--box-shadow);
}

.keyboard-signature-error {
    color: var(--danger-color);
    margin-top: 0.5rem;
    font-size: 14px;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    background-color: #ffebee;
    border: 1px solid var(--danger-color);
    display: none;
}

.keyboard-signature-error.show {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

.keyboard-signature.error input[type="text"] {
    border-color: var(--danger-color);
}

/* Signature Alternative Styles */
.signature-alternative {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.signature-option-text {
    color: #666;
    margin-bottom: 1rem;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

.keyboard-signature {
    margin-top: 1rem;
}

.signature-option-box {
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    padding: 10px;
    margin-bottom: 1rem;
}

.keyboard-signature input[type="text"] {
    width: 100%;
    box-sizing: border-box;
}

.font-preview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 15px;
}

.font-preview {
    position: relative;
}

.font-preview input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.preview-label {
    display: block;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
}

.preview-label {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 4em;
    justify-content: center;
    align-items: center;
    text-align: center;
    line-height: 1.4;
}

.preview-title {
    color: #666;
    font-family: 'Segoe UI', Arial, sans-serif;
    font-size: 0.9em;
}

.preview-signature {
    font-size: 1.9em;
}

.font-preview input[type="radio"]:checked + .preview-label {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.1);
}

.dancing-script {
    font-family: 'Dancing Script', cursive;
}

.barlow {
    font-family: 'Barlow Semi Condensed', sans-serif;
}

.signature-status {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 48px;
    height: 48px;
    display: none;
}

.signature-status.signed {
    display: block;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><circle fill="%234CAF50" cx="12" cy="12" r="10" stroke="%234CAF50" stroke-width="2"/><path fill="white" d="M9.75 15.17L6.83 12.25l-1.42 1.41L9.75 18 19 8.75l-1.41-1.41L9.75 15.17z"/></svg>');
}

/* Font Face Declarations */
@font-face {
    font-family: 'Dancing Script';
    src: url('/fonts/DancingScript-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Barlow Semi Condensed';
    src: url('/fonts/BarlowSemiCondensed-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

/* Error and Success Messages */
.error-message {
    color: var(--danger-color);
    margin-top: 0.5rem;
    font-size: 14px;
    font-weight: 500;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    background-color: #ffebee;
    border: 1px solid var(--danger-color);
    animation: fadeIn 0.3s ease-in-out;
}

.success-message {
    font-size: 1.25em;
    background-color: #85d177;
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
    margin-top: 1rem;
    animation: fadeIn 0.3s ease-in-out;
}

.success-view {
    max-width: 800px;
    margin: 2rem auto;
    text-align: center;
}

.success-view h2 {
    font-size: 3em;
    margin-bottom: 1.5rem;
    color: #333;
}

.email-notice {
    margin-top: 1rem;
    color: #666;
    font-size: 1.25em;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Field-specific error messages */
.form-group .error-message {
    position: absolute;
    left: 0;
    right: 0;
    margin-top: 0.25rem;
    z-index: 1;
}

.checkbox-group .error-message {
    margin-left: 1.5rem;
}

.signature-group .error-message {
    margin-top: 0.5rem;
    position: relative;
}

/* Button Styles */
.button-container {
    margin-top: 1rem;
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.form-actions {
    margin-top: 2rem;
    text-align: center;
}

button {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-delete {
    background-color: var(--danger-color);
    color: white;
}

.btn-delete:hover {
    background-color: #d32f2f;
    box-shadow: var(--box-shadow);
}

.btn-submit {
    background-color: var(--success-color);
    color: white;
    padding: 1rem 2rem;
    font-size: 18px;
}

.btn-submit:hover {
    background-color: #388E3C;
    box-shadow: var(--box-shadow);
}

.btn-submit:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

/* Footer Styles */
.footer-text {
    text-align: center;
    margin-top: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 5px;
    }

    .container {
        padding: 0.5rem;
        padding-bottom: calc(90px + env(safe-area-inset-bottom)); /* Platz für sticky Submit + Safe-Area */
    }

    .header img {
        max-width: 180px;
        margin-bottom: 0.5rem;
    }

    .header h1 {
        font-size: 1.5rem;
        margin: 0.5rem 0 0;
    }

    h1 { font-size: 1.35rem; }
    h3 { font-size: 1.05rem; }

    .form-container {
        padding: 0.75rem;
    }

    #pdf-container {
        max-height: 50vh;
        margin-bottom: 1rem;
    }

    #pdf-pages {
        padding: 10px;
        gap: 10px;
    }

    .signature-section {
        padding: 12px;
    }

    .signature-group {
        padding: 12px;
    }

    .signature-option-text {
        padding: 6px;
        font-size: 0.85rem;
    }

    .signature-pad-container canvas {
        height: clamp(240px, 40vh, 380px); /* dynamisch größer auf Handy */
    }

    label {
        font-size: 14px;
        margin-bottom: 0.4rem;
    }

    input[type="text"],
    input[type="email"] {
        padding: 0.5rem; /* kürzer auf Handy */
        font-size: 16px; /* 16px, um Zoom zu vermeiden */
        line-height: 1.1;
    }

    .form-group {
        margin-bottom: 0.75rem; /* enger auf Handy */
    }

    .button-container {
        flex-direction: column;
    }

    button {
        width: 100%;
    }

    /* Sticky submit footer nur auf Handy */
    .form-actions {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        background: #fff;
        padding: 0.75rem 1rem;
        padding-bottom: calc(0.75rem + env(safe-area-inset-bottom));
        border-top: 1px solid #e0e0e0;
        box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.06);
        z-index: 1000;
    }

    .btn-submit {
        font-size: 16px;
        padding: 0.9rem 1.25rem;
    }

    .email-notice {
        font-size: 1rem;
        margin-top: 0.75rem;
    }

    .preview-signature { font-size: 1.4em; }
    .preview-title { font-size: 0.8em; }

    .success-view h2 { font-size: 2rem; }
    /* Segmented Control für die zwei Buttons nebeneinander (nur Handy) */
    .signature-method-selection {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0;
    }
    .signature-method-selection > h3,
    .signature-method-selection > p.signature-option-text {
        grid-column: 1 / -1;
    }
    .signature-method-selection .btn-secondary {
        width: 100%;
        margin: 0;
        border-radius: 0;
        border: 1px solid #ccc;
        border-left: 0;
    }
    .signature-method-selection .btn-secondary:first-of-type {
        border-top-left-radius: var(--border-radius);
        border-bottom-left-radius: var(--border-radius);
        border-left: 1px solid #ccc;
    }
    .signature-method-selection .btn-secondary:last-of-type {
        border-top-right-radius: var(--border-radius);
        border-bottom-right-radius: var(--border-radius);
    }
    .signature-method-selection .btn-secondary.active {
        background-color: var(--primary-color);
        color: #fff;
    }

    /* Zusätzlicher Platz unter dem Footer, damit der Sticky-Button nichts überdeckt */
    footer {
        padding-bottom: calc(100px + env(safe-area-inset-bottom));
    }
}

/* Desktop: auch als Segmented Control darstellen */
.signature-method-selection {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}
.signature-method-selection > h3,
.signature-method-selection > p.signature-option-text {
    grid-column: 1 / -1;
}
.signature-method-selection .btn-secondary {
    width: 100%;
    margin: 0;
    border-radius: 0;
    border: 1px solid #ccc;
    border-left: 0;
}
.signature-method-selection .btn-secondary:first-of-type {
    border-top-left-radius: var(--border-radius);
    border-bottom-left-radius: var(--border-radius);
    border-left: 1px solid #ccc;
}
.signature-method-selection .btn-secondary:last-of-type {
    border-top-right-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
}
.signature-method-selection .btn-secondary.active {
    background-color: var(--primary-color);
    color: #fff;
}