:root {
    --background: #f9f9fa;
    --card: #ffffff;
    --foreground: #000000;
    --border: #d4d4d4;
    --primary: #34a85a;
    --secondary: #6495ed;
    --muted-foreground: #6e6e6e;
}

html.dark {
    --background: #1a1d23;
    --card: #2f3436;
    --foreground: #ffffff;
    --border: #444444;
    --primary: #33cc33;
    --secondary: #87ceeb;
    --muted-foreground: #a3a3a3;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    background-color: var(--background);
    min-height: 100vh;
    color: var(--foreground);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.main-content {
    display: block;
}

.container {
    width: 100%;
    margin: 0;
    min-height: 100vh;
}

.header {
    background-color: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 25px 15px;
    text-align: center;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header h1 {
    font-size: 1.8em;
    margin-bottom: 10px;
    color: var(--foreground);
    font-weight: bold;
    line-height: 1.2;
    transition: color 0.3s ease;
}

.header p {
    font-size: 0.95em;
    color: var(--muted-foreground);
    opacity: 0.9;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.form-content {
    padding: 15px;
    background-color: var(--background);
    transition: background-color 0.3s ease;
}

/* ---- Info / Warning Box ---- */
.info-warning-box {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 15px;
    margin-bottom: 25px;
    position: relative;
    overflow: hidden;
}

.info-warning-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--primary);
}

.info-warning-box h3 {
    color: var(--foreground);
    margin-bottom: 14px;
    font-size: 1.1em;
}

.info-warning-box p {
    color: var(--muted-foreground);
    font-size: 0.95em;
    line-height: 1.6;
    margin-bottom: 12px;
}

.info-warning-box p:last-child {
    margin-bottom: 0;
}

.info-warning-important {
    color: var(--foreground) !important;
    font-weight: 600 !important;
    border-top: 1px solid var(--border);
    padding-top: 12px;
}

html.dark .info-warning-important {
    color: var(--primary) !important;
}

.consent-section {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 15px;
    margin-bottom: 25px;
    position: relative;
    overflow: hidden;
}

.consent-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.consent-section h3 {
    color: var(--foreground);
    margin-bottom: 15px;
    font-size: 1.1em;
}

.consent-text {
    color: var(--muted-foreground);
    line-height: 1.6;
    margin-bottom: 20px;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 15px;
    cursor: pointer;
    padding: 15px;
    border: 2px solid var(--border);
    border-radius: 12px;
    background-color: var(--background);
    transition: all 0.3s ease;
}

.checkbox-container:hover {
    border-color: var(--primary);
    background-color: rgba(52,211,153,0.15);
}

.checkbox-container input[type="checkbox"] {
    transform: scale(1.2);
    accent-color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-container label {
    font-weight: 500;
    color: var(--foreground);
    cursor: pointer;
}

.form-section {
    margin-bottom: 25px;
    padding: 20px 15px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background-color: var(--card);
}

.form-section h3 {
    color: var(--foreground);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary);
    font-size: 1.1em;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--muted-foreground);
    margin-bottom: 8px;
    font-size: 0.9em;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 15px 12px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background-color: var(--background);
    color: var(--foreground);
    color-scheme: dark;
    min-height: 52px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(52,211,153,0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--muted-foreground);
}

.radio-group {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
}

.radio-item {
    display: inline-flex;
    border: 2px solid var(--border);
    border-radius: 8px;
    background-color: var(--background);
    transition: all 0.3s ease;
    overflow: hidden;
}

.radio-item:hover {
    border-color: var(--primary);
    background-color: rgba(52,211,153,0.15);
}

/* Native radio verstecken */
.radio-item input[type="radio"] {
    display: none;
}

/* Label füllt die gesamte Fläche — klickbar überall */
.radio-item label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    font-weight: 500;
    color: var(--foreground);
    font-size: 0.95em;
    line-height: 1;
    cursor: pointer;
    margin: 0;
    user-select: none;
    width: 100%;
}

/* Custom Checkbox-Quadrat auf dem Label */
.radio-item label::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-radius: 5px;
    background-color: var(--card);
    flex-shrink: 0;
    transition: all 0.2s ease;
}

/* Checked: grüner Haken */
.radio-item:has(input[type="radio"]:checked) label::before {
    background-color: var(--primary);
    border-color: var(--primary);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 10'%3E%3Cpath d='M1 5l3.5 3.5L11 1' stroke='%230f172a' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 12px;
}

.radio-item:has(input[type="radio"]:checked) {
    border-color: var(--primary);
    background-color: rgba(52,211,153,0.15);
}

.checkbox-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 15px;
}

.checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    cursor: pointer;
    padding: 15px;
    border: 2px solid var(--border);
    border-radius: 12px;
    background-color: var(--background);
    transition: all 0.3s ease;
}

.checkbox-item:hover {
    border-color: var(--primary);
    background-color: rgba(52,211,153,0.15);
}

.checkbox-item input[type="checkbox"] {
    accent-color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-item label {
    font-weight: 500;
    color: var(--foreground);
    font-size: 0.95em;
    line-height: 1.4;
    cursor: pointer;
}

.checkbox-item:has(input[type="checkbox"]:checked) {
    border-color: var(--primary);
    background-color: rgba(52,211,153,0.15);
}

.photo-preview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.photo-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.photo-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.photo-remove {
    position: absolute;
    top: 5px; right: 5px;
    background-color: #f87171;
    color: white;
    border: none;
    border-radius: 50%;
    width: 25px; height: 25px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.submit-btn {
    background: var(--secondary);
    color: var(--foreground);
    padding: 18px 25px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    width: 100%;
    min-height: 56px;
    margin-top: 20px;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    opacity: 0.9;
}

.submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.loading {
    display: none;
    text-align: center;
    padding: 30px 20px;
}

.spinner {
    border: 4px solid var(--border);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    width: 50px; height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading p {
    color: var(--muted-foreground);
}

.success-message {
    display: none;
    background: rgba(52,211,153,0.15);
    color: var(--primary);
    padding: 25px 20px;
    border-radius: 12px;
    border: 1px solid rgba(52,211,153,0.3);
    text-align: center;
    margin-top: 20px;
}

.success-message h3 {
    font-size: 1.3em;
    line-height: 1.4;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--primary);
}

.success-message p {
    font-size: 1em;
    line-height: 1.4;
    margin: 0;
    color: var(--foreground);
}

.error-message {
    display: none;
    background: rgba(248,113,113,0.1);
    color: #f87171;
    padding: 25px 20px;
    border-radius: 12px;
    border: 1px solid rgba(248,113,113,0.3);
    text-align: center;
    margin-top: 20px;
}

.error-message h3 {
    font-size: 1.3em;
    line-height: 1.4;
    margin-bottom: 10px;
    font-weight: 600;
    color: #f87171;
}

.error-message p {
    font-size: 1em;
    line-height: 1.4;
    margin: 0;
    color: var(--foreground);
}

.form-group input[type="file"] {
    padding: 12px;
    cursor: pointer;
    color: var(--muted-foreground);
}

.rtl {
    direction: rtl;
    text-align: right;
}

@media (min-width: 769px) {
    .form-content {
        padding: 30px;
        max-width: 800px;
        margin: 0 auto;
    }

    .form-row {
        flex-direction: row;
        gap: 30px;
    }

    .form-group {
        flex: 1;
    }

    .radio-group {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 10px;
    }

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

    .submit-btn {
        width: auto;
        min-width: 300px;
        margin: 20px auto;
        display: block;
    }
}

@media (min-width: 1024px) {
    .header {
        padding: 40px 30px;
    }

    .header h1 {
        font-size: 2.5em;
    }

    .form-content {
        padding: 40px;
    }

    .form-section {
        padding: 30px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 20px 10px;
    }

    .header h1 {
        font-size: 1.5em;
    }

    .form-content {
        padding: 10px;
    }

    .form-section {
        padding: 15px 10px;
        margin-bottom: 20px;
    }

    .consent-section {
        padding: 15px 10px;
    }
}