:root {
    /* Light Mode (Blue-Green Theme) */
    --white: white;
    --white10: rgba(255, 255, 255, 0.1);
    --white20: rgba(255, 255, 255, 0.2);
    --white30: rgba(255, 255, 255, 0.3);
    --white70: rgba(255, 255, 255, 0.7);
    --black: black;
    --error: #e53e3e;
    --error-light: #fed7d7;
    --success: #2f855a;
    --success-light: #c6f6d5;
    --bg-gradient-start: #1E5F7A;
    --bg-gradient-end: #3A9B5C;
    --link-color: blue;
    --link-color-onbg: white;
    --link-hover: #f0f0f0;
    --text-primary: #333;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --bg-primary: white;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f7fafc;
    --border-color: #e2e8f0;
    --border-color-light: #cbd5e0;
    --highlight: var(--accent-green);
    --accent-green: #48bb78;
    --accent-green-hover: #38a169;
    --accent-blue: #3182ce;
    --accent-blue-hover: #2c5aa0;
    --accent-orange: #ed8936;
    --accent-orange-hover: #dd6b20;
    --mandatory: #f56565;
    --mandatory-light: #f5656522;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow-light: rgba(0, 0, 0, 0.1);
    --btn-primary-shadow: rgba(49, 130, 206, 0.4);
    --btn-secondary-shadow: rgba(72, 187, 120, 0.4);
    --btn-tertiary-shadow: rgba(237, 137, 54, 0.4);
}

[data-theme="dark"] {
    /* Dark Mode */
    --white: white;
    --white10: rgba(255, 255, 255, 0.1);
    --white20: rgba(255, 255, 255, 0.2);
    --white30: rgba(255, 255, 255, 0.3);
    --white70: rgba(255, 255, 255, 0.7);
    --black: black;
    --error: #df1c1c;
    --error-light: #4d0101;
    --success: #2f855a;
    --success-light: #c6f6d5;
    --bg-gradient-start: #1a202c;
    --bg-gradient-end: #2d3748;
    --link-color: #f6ad55; /* Orange in dark mode */
    --link-color: white;
    --link-color-onbg: white;
    --link-hover: #ed8936;
    --text-primary: #e2e8f0;
    --text-secondary: #cbd5e0;
    --text-light: #a0aec0;
    --bg-primary: #2d3748;
    --bg-secondary: #4a5568;
    --bg-tertiary: #1a202c;
    --border-color: #4a5568;
    --border-color-light: #718096;
    --highlight: var(--accent-green-hover);
    --accent-green: #165e34;
    --accent-green-hover: #42895d;
    --accent-blue: #114a78;
    --accent-blue-hover: #3878a5;
    --accent-orange: #b4570b;
    --accent-orange-hover: #bc7014;
    --mandatory: #f56565;
    --mandatory-light: #f5656572;
    --shadow-color: rgba(0, 0, 0, 0.4);
    --shadow-light: rgba(0, 0, 0, 0.2);
    --btn-primary-shadow: rgba(49, 130, 206, 0.4);
    --btn-secondary-shadow: rgba(72, 187, 120, 0.4);
    --btn-tertiary-shadow: rgba(237, 137, 54, 0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    min-height: 100vh;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

/* Dark mode body background */
[data-theme="dark"] body {
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    color: var(--white);
    margin-bottom: 30px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.title-section {
    text-align: center;
    flex: 1;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px var(--shadow-color);
}

header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.language-selector {
    display: flex;
    align-items: center;
    gap: 15px;
}

.language-selector select {
    background: var(--white10);
    color: var(--white);
    border: 2px solid var(--white30);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 1rem;
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.language-selector select:focus {
    outline: none;
    border-color: var(--white70);
}

.language-selector option {
    background: var(--bg-gradient-start);
    color: var(--white);
}

.dark-mode-toggle {
    background: var(--white10);
    color: var(--white);
    border: 2px solid var(--white30);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 1.2rem;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    min-width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dark-mode-toggle:hover {
    background: var(--white20);
    transform: scale(1.1);
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

.form-section {
    background: var(--bg-primary);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: all 0.3s ease;
}

.preview-section {
    background: var(--bg-primary);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--shadow-color);
    position: sticky;
    top: 20px;
    transition: all 0.3s ease;
}

.form-section h2, .preview-section h2 {
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-size: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.preview-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.preview-section-header h2 {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

.bmc-button-container {
    display: flex;
    align-items: center;
}

.form-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.form-section-header h2 {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

.delete-all-events-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-direction: row;
}

[lang="en"] .delete-all-events-btn,
[lang="it"] .delete-all-events-btn {
    flex-direction: row-reverse;
}

.delete-all-events-btn.delete-confirming {
    background: var(--error-light);
    opacity: 1;
}

.delete-all-events-btn.delete-confirming:hover {
    background: var(--error-light);
}

.delete-all-events-btn.delete-confirming .icon-svg {
    filter: brightness(0) saturate(100%) invert(15%) sepia(94%) saturate(7151%) hue-rotate(353deg) brightness(91%) contrast(89%);
}

.delete-all-events-btn.delete-confirming .delete-all-text {
    color: var(--error);
    font-weight: bold;
}

/* DateTime Section Layout */
.datetime-section {
    display: grid;
    grid-template-columns: 60% calc(40% - 15px);
    gap: 15px;
    margin-bottom: 20px;
}

.date-field, .time-field {
    margin-bottom: 0 !important;
}

/* Form Groups */
.form-group {
    margin-bottom: 20px;
    transition: all 0.3s ease;
    padding: 10px;
    border-radius: 8px;
    border: 2px solid transparent;
}

.form-group.mandatory {
    border-left: 4px solid var(--mandatory);
    background-color: var(--mandatory-light);
    padding-left: 15px;
}

/* Dark mode mandatory fields */
[data-theme="dark"] .form-group.mandatory {
    border: 2px solid var(--mandatory-light);
    border-left: 4px solid var(--mandatory);
    background-color: var(--bg-secondary);
}

/* Grüne Hinterlegung wenn alle Pflichtfelder valid sind */
.form-group.mandatory.all-fields-valid {
    border-left: 4px solid var(--success);
    background-color: var(--success-light);
}

[data-theme="dark"] .form-group.mandatory.all-fields-valid {
    border: 2px solid rgba(47, 133, 90, 0.3);
    border-left: 4px solid var(--success);
    background-color: rgba(47, 133, 90, 0.2);
}

/* Eingabefelder behalten ihre normale Hintergrundfarbe */
.form-group.mandatory.all-fields-valid input,
.form-group.mandatory.all-fields-valid textarea,
.form-group.mandatory.all-fields-valid select {
    background-color: var(--bg-primary) !important;
}

[data-theme="dark"] .form-group.mandatory.all-fields-valid input,
[data-theme="dark"] .form-group.mandatory.all-fields-valid textarea,
[data-theme="dark"] .form-group.mandatory.all-fields-valid select {
    background-color: var(--bg-primary) !important;
}

/* Field validation styles */
input.field-valid,
textarea.field-valid,
select.field-valid {
    border: 2px solid var(--success) !important;
    background-color: var(--bg-primary) !important;
}

input.field-invalid,
textarea.field-invalid,
select.field-invalid {
    border: 2px solid var(--error) !important;
    background-color: var(--error-light) !important;
}

[data-theme="dark"] input.field-valid,
[data-theme="dark"] textarea.field-valid,
[data-theme="dark"] select.field-valid {
    border: 2px solid var(--success) !important;
    background-color: var(--bg-primary) !important;
}

[data-theme="dark"] input.field-invalid,
[data-theme="dark"] textarea.field-invalid,
[data-theme="dark"] select.field-invalid {
    border: 2px solid var(--error) !important;
    background-color: rgba(229, 62, 62, 0.2) !important;
}

.form-group.template-selected {
    border: 2px solid var(--highlight) !important;
    background-color: var(--bg-secondary);
    transform: scale(1.02);
    box-shadow: 0 4px 15px var(--shadow-color);
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Checkbox Styling */
.checkbox-label {
    display: flex !important;
    align-items: center;
    justify-content: flex-end;
    cursor: pointer;
    gap: 8px;
    padding: 5px 0;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    background: var(--border-color);
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--accent-green);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark:after {
    content: '✓';
    color: var(--white);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-weight: bold;
    font-size: 14px;
}

/* Advanced Fields Toggle */
.advanced-fields {
    margin: 30px 0;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.toggle-advanced {
    width: 100%;
    background: var(--bg-secondary);
    border: none;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.toggle-advanced:hover {
    background: var(--bg-tertiary);
}

.toggle-icon {
    transition: transform 0.3s ease;
    font-size: 0.8rem;
}

.toggle-advanced.expanded .toggle-icon {
    transform: rotate(90deg);
}

.advanced-content {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: var(--bg-primary);
}

.advanced-content.expanded {
    max-height: 1000px;
    padding: 20px;
}

.char-count {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: normal;
    background: var(--border-color);
    padding: 2px 8px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--highlight);
    box-shadow: 0 0 0 3px var(--shadow-light);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Action Buttons */
.action-buttons {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color-light);
}

.main-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}

.btn {
    padding: 14px 20px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn.half-width {
    flex: 1;
}

.btn.full-width {
    width: 100%;
}

.btn.primary {
    background: linear-gradient(45deg, var(--accent-blue), var(--accent-blue-hover));
    color: var(--white);
}

.btn.primary:hover {
    background: var(--accent-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--btn-primary-shadow);
}

.btn.secondary {
    background: linear-gradient(45deg, var(--accent-green), var(--accent-green-hover));
    color: var(--white);
}

.btn.secondary:hover {
    background: var(--accent-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--btn-secondary-shadow);
}

.btn.tertiary {
    background: linear-gradient(45deg, var(--accent-orange), var(--accent-orange-hover));
    color: var(--white);
}

.btn.tertiary:hover {
    background: var(--accent-orange-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--btn-tertiary-shadow);
}

/* Template Actions */
.template-actions {
    margin-top: 20px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.template-actions p {
    margin-bottom: 15px;
    color: var(--text-secondary);
    font-weight: 500;
}

.template-buttons {
    display: flex;
    gap: 10px;
}

.template-buttons .btn {
    flex: 1;
}

.hidden {
    display: none;
}

.result-section {
    margin-top: 20px;
    padding: 0;
    background: transparent;
    border-radius: 8px;
    border: none;
    transition: all 0.3s ease;
    box-shadow: none;
}

.result-section a {
    color: var(--link-color);
}

.result-section h3 {
    color: var(--accent-green-hover);
    margin-bottom: 15px;
}

.result-content {
    background: transparent;
    padding: 0;
    border-radius: 6px;
    border: none;
    word-break: break-word;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
    position: relative;
}

.preview-content {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    min-height: 400px;
    max-height: 600px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.preview-placeholder {
    text-align: center;
    color: var(--text-light);
    font-style: italic;
    padding: 50px 20px;
}

.preview-event {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px var(--shadow-light);
    border-left: 4px solid var(--highlight);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.preview-event .event-title {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.preview-event .event-time {
    color: var(--highlight);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1rem;
}

.preview-event .event-details {
    color: var(--text-secondary);
    line-height: 1.6;
}

.preview-event .event-details strong {
    color: var(--text-secondary);
    min-width: 100px;
    display: inline-block;
}

.preview-event .event-description {
    background: var(--bg-tertiary);
    padding: 10px;
    border-radius: 6px;
    margin-top: 10px;
    border-left: 3px solid var(--border-color);
    font-style: italic;
    color: var(--text-primary);
}

/* Template Preview Section */
.template-preview-section {
    margin-top: 20px;
}

.template-preview-section h3 {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: 1.2rem;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-color);
}

.template-preview-content {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 15px;
    min-height: 120px;
    transition: all 0.3s ease;
}

.template-preview-placeholder {
    text-align: center;
    color: var(--text-light);
    font-style: italic;
    padding: 20px;
    font-size: 0.9rem;
}

.template-preview-url {
    background: var(--bg-primary);
    border: 1px solid var(--border-color-light);
    border-radius: 6px;
    padding: 10px;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.8rem;
    word-break: break-all;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.template-preview-fields {
    margin-top: 10px;
    padding: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.template-preview-fields strong {
    color: var(--accent-green);
}

.error-message {
    color: var(--error);
    font-size: 0.9rem;
    margin-top: 5px;
    padding: 8px;
    background: var(--error-light);
    border-radius: 4px;
    border-left: 3px solid var(--error);
}

.success-message {
    color: var(--success);
    font-size: 0.9rem;
    margin-top: 5px;
    padding: 8px;
    background: var(--success-light);
    border-radius: 4px;
    border-left: 3px solid var(--success);
}

/* Links styling - Mix of gradient colors in light mode, orange in dark mode */
a {
    color: var(--link-color-onbg);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .preview-section {
        position: static;
    }
    
    .main-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn.half-width {
        flex: none;
        width: 100%;
    }
    
    .template-buttons {
        flex-direction: column;
        gap: 12px;
    }
    
    .template-buttons .btn {
        flex: none;
        width: 100%;
    }
    
    .datetime-section {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .header-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .form-section,
    .preview-section {
        padding: 20px;
    }
    
    .datetime-section {
        grid-template-columns: 1fr;
    }
    
    .main-buttons {
        flex-direction: column;
    }
    
    .template-buttons {
        flex-direction: column;
    }
}

/* Template selection mode */
.template-mode .form-group {
    cursor: pointer;
    border: 2px dashed var(--border-color-light);
    transition: all 0.3s ease;
}

.template-mode .form-group:hover {
    border-color: var(--accent-green);
    background-color: var(--bg-secondary);
    transform: scale(1.01);
}

.template-mode .form-group.template-selected:hover {
    border-color: var(--accent-green-hover);
}

/* Animation for character counters */
.char-count.warning {
    background: var(--error-light);
    color: var(--error);
}

.char-count.danger {
    background: var(--error-light);
    color: var(--error);
}

/* All Day Event hiding time fields */
.all-day-mode #endTimeGroup {
    opacity: 0.5;
    pointer-events: none;
}

.all-day-mode #startTime,
.all-day-mode #endTime {
    background-color: var(--bg-secondary) !important;
}

/* Result Display Styles */
.result-wrapper {
    position: relative;
}

.result-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    border-radius: 50%;
    width: 35px;
    height: 35px;
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    z-index: 100;
    transition: all 0.3s ease;
    font-weight: bold;
    box-shadow: 0 2px 10px var(--shadow-light);
    border: 2px solid;
}

.result-close-btn.success {
    background: var(--white70);
    border-color: var(--white30);
    color: var(--accent-blue);
}

.result-close-btn.success:hover {
    transform: scale(1.1);
    background: var(--white);
}

.result-close-btn.error {
    background: var(--white10);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.result-close-btn.error:hover {
    transform: scale(1.1);
    background: var(--white20);
}

.close-hint {
    position: absolute;
    top: -5px;
    right: 55px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8em;
    z-index: 101;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    border: 1px solid var(--border-color);
}

.close-hint.visible {
    opacity: 1;
}

/* Link Display Styles */
.link-display-container {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 8px;
    margin: 10px 0;
    border: 1px solid var(--border-color);
}

.link-display-header {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.link-display-title {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1.1em;
    font-weight: 600;
}

.link-display-datetime {
    color: var(--text-light);
    font-size: 0.9em;
}

.link-display-box {
    background: var(--bg-primary);
    border: 2px dashed var(--accent-blue);
    border-radius: 6px;
    padding: 12px;
    margin: 8px 0;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.link-display-box:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-blue-hover);
}

.link-display-box.copied {
    background: var(--success-light);
    border-color: var(--success);
}

.link-display-url {
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.9em;
    word-break: break-all;
    color: var(--accent-blue);
    font-weight: 500;
    line-height: 1.4;
}

.link-copy-indicator {
    display: none;
    color: var(--success);
    font-weight: 600;
    font-size: 0.8em;
    margin-top: 5px;
}

.link-display-box.copied .link-copy-indicator {
    display: block;
}

.link-display-hint {
    color: var(--text-light);
    font-style: italic;
    display: block;
    margin-top: 5px;
}

.link-action-buttons {
    display: flex;
    gap: 10px;
    margin: 15px 0;
    flex-wrap: wrap;
}

.btn-link-action {
    padding: 8px 16px;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 0.9em;
}

.btn-link-action.primary {
    background: var(--accent-blue);
    color: var(--white);
}

.btn-link-action.primary:hover {
    background: var(--accent-blue-hover);
    transform: translateY(-2px);
}

.btn-link-action.secondary {
    background: var(--accent-green);
    color: var(--white);
}

.btn-link-action.secondary:hover {
    background: var(--accent-green-hover);
    transform: translateY(-2px);
}

.qr-code-container {
    width: 100%;
    margin-top: 15px;
    padding: 15px;
    background: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.qr-code-wrapper {
    background: var(--white);
    display: inline-block;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color-light);
}

.qr-code-wrapper img {
    border-radius: 4px;
    display: block;
}

.qr-error {
    color: var(--text-light);
    font-style: italic;
    padding: 20px;
}

.qr-code-hint {
    margin: 10px 0 0 0;
    font-size: 0.9em;
    color: var(--text-light);
}

.btn-qr-download {
    background: var(--accent-green);
    color: var(--white);
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.85em;
    cursor: pointer;
    margin-top: 10px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn-qr-download:hover {
    background: var(--accent-green-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(72, 187, 120, 0.3);
}

.link-tip {
    background: var(--bg-tertiary);
    border-left: 4px solid var(--accent-blue);
    padding: 12px;
    margin: 15px 0;
    font-size: 0.9em;
    color: var(--text-secondary);
    border-radius: 0 4px 4px 0;
}

/* Error Display Styles */
.error-display-container {
    background: var(--error-light);
    color: var(--text-primary);
    padding: 20px;
    border-radius: 12px;
    margin: 15px 0;
    border: 2px solid var(--error);
}

.error-display-title {
    margin: 0 0 15px 0;
    font-size: 1.2em;
    color: var(--error);
}

.error-display-message {
    margin: 0 0 15px 0;
    color: var(--text-secondary);
}

.fallback-link-container {
    background: var(--bg-secondary);
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
    border: 2px dashed var(--border-color);
}

.fallback-link-label {
    display: block;
    margin-bottom: 10px;
    font-size: 0.9em;
    color: var(--text-secondary);
}

.fallback-link-box {
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 12px;
    border-radius: 6px;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.9em;
    word-break: break-all;
    line-height: 1.4;
    margin: 8px 0;
    cursor: pointer;
    border: 2px dashed var(--border-color-light);
    transition: all 0.3s ease;
}

.fallback-link-box:hover {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

.fallback-link-hint {
    color: var(--text-light);
    font-style: italic;
    margin-top: 5px;
    display: block;
}

.error-info {
    background: var(--bg-secondary);
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
    color: var(--text-secondary);
}

.error-info em {
    color: var(--text-light);
}

.error-tip {
    background: var(--bg-tertiary);
    border-left: 4px solid var(--accent-orange);
    padding: 12px;
    margin: 15px 0;
    font-size: 0.9em;
    color: var(--text-secondary);
    border-radius: 0 4px 4px 0;
}

/* Function Containers - Separate containers for Link and Template functionality */
.function-container {
    margin-top: 20px;
    transition: all 0.3s ease;
}

.function-container.hidden {
    display: none;
}

/* Template Container specific styling */
#templateContainer {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
}

/* Template Preview Header with Close Button */
.template-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-color);
}

.template-preview-header h3 {
    margin: 0;
    padding: 0;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.template-preview-close-btn {
    background: var(--error);
    color: var(--white);
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    transition: all 0.3s ease;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
}

.template-preview-close-btn:hover {
    background: var(--error);
    transform: scale(1.1);
    box-shadow: 0 2px 10px var(--shadow-color);
}

.template-preview-close-btn.hidden {
    display: none !important;
}

/* Template Preview Content States */
.template-preview-section.preview-only .template-preview-content {
    display: none;
}

.template-preview-section.preview-only .template-preview-header h3::after {
    content: " (ausgeblendet)";
    color: var(--text-light);
    font-size: 0.9em;
    font-weight: normal;
}

/* Template Success Message Styling */
.template-success-message {
    background: var(--success-light);
    border: 2px solid var(--success);
    border-radius: 8px;
    padding: 15px;
    margin: 10px 0;
    color: var(--text-primary);
}

.template-success-message h4 {
    color: var(--success);
    margin: 0 0 10px 0;
    font-size: 1.1em;
}

.template-success-link {
    background: var(--bg-primary);
    border: 2px dashed var(--success);
    border-radius: 6px;
    padding: 12px;
    margin: 8px 0;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.9em;
    word-break: break-all;
    color: var(--accent-blue);
}

.template-success-link:hover {
    background: var(--bg-secondary);
    border-color: var(--success);
}

.template-success-link.copied {
    background: var(--success-light);
    border-color: var(--success);
}

.template-success-fields {
    margin-top: 10px;
}

/* Multi-Event Styles */
#eventsContainer {
    margin-bottom: 20px;
}

.event-form-wrapper {
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    overflow: hidden;
    transition: all 0.3s ease;
}

.event-form-wrapper:hover {
    box-shadow: 0 2px 8px var(--shadow-light);
}

.event-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    background: var(--bg-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-color);
}

.event-header:hover {
    background: var(--bg-tertiary);
}

.event-header.collapsed {
    border-bottom: none;
}

.event-header-title {
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.event-header-date {
    color: var(--text-light);
    font-size: 0.9em;
    margin-left: 10px;
    flex: 1;
}

.event-header-actions {
    display: flex;
    gap: 8px;
    margin-left: 10px;
}

.btn-icon {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 1.1em;
    transition: all 0.2s ease;
    opacity: 0.7;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    opacity: 1;
    background: transparent;
    transform: scale(1.1);
}

/* Papierkorb-Icon rot beim Hovern */
.delete-event-btn:hover .icon-svg {
    filter: brightness(0) saturate(100%) invert(15%) sepia(94%) saturate(7151%) hue-rotate(353deg) brightness(91%) contrast(89%);
}

[data-theme="dark"] .delete-event-btn:hover .icon-svg {
    filter: brightness(0) saturate(100%) invert(15%) sepia(94%) saturate(7151%) hue-rotate(353deg) brightness(91%) contrast(89%);
}

.delete-event-btn.delete-confirming {
    background: var(--error-light);
    opacity: 1;
}

.delete-event-btn.delete-confirming .icon-svg {
    filter: brightness(0) saturate(100%) invert(15%) sepia(94%) saturate(7151%) hue-rotate(353deg) brightness(91%) contrast(89%);
}

.delete-question {
    color: var(--error);
    font-weight: bold;
    font-size: 1.2em;
    margin-left: 4px;
}

.duplicate-event-btn:hover,
.duplicate-event-inline-btn:hover {
    background: transparent;
    color: var(--white);
}

/* Duplizieren-Icon blau beim Hovern */
.duplicate-event-btn:hover .icon-svg,
.duplicate-event-inline-btn:hover .icon-svg {
    filter: brightness(0) saturate(100%) invert(40%) sepia(98%) saturate(2476%) hue-rotate(200deg) brightness(95%) contrast(90%);
}

[data-theme="dark"] .duplicate-event-btn:hover .icon-svg,
[data-theme="dark"] .duplicate-event-inline-btn:hover .icon-svg {
    filter: brightness(0) saturate(100%) invert(55%) sepia(98%) saturate(2476%) hue-rotate(200deg) brightness(95%) contrast(90%);
}

.ical-form {
    padding: 15px;
    display: block;
}

.event-form-wrapper .event-header.collapsed + .ical-form {
    display: none;
}

.event-header.collapsed {
    border-bottom: none;
}

.event-header:not(.collapsed) {
    border-bottom: 1px solid var(--border-color);
}

.add-event-btn {
    width: 100%;
    margin-top: 15px;
    padding: 12px;
    background: var(--accent-green);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.add-event-btn:hover {
    background: var(--accent-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(72, 187, 120, 0.3);
}

/* Export Mode Toggle */
.export-mode-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 15px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.export-mode-toggle.hidden {
    display: none;
}

.toggle-label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9em;
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border-color);
    transition: 0.3s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: var(--white);
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent-green);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

/* Copy Buttons in Input Fields */
.input-with-copy {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-copy input,
.input-with-copy textarea,
.input-with-copy select {
    flex: 1;
    padding-right: 35px;
}

.copy-field-btn {
    position: absolute;
    right: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    font-size: 1em;
    opacity: 0.6;
    transition: all 0.2s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.copy-field-btn:hover {
    opacity: 1;
    background: transparent;
    transform: scale(1.1);
}

/* Kopieren-Icon grün beim Hovern */
.copy-field-btn:hover .icon-svg {
    filter: brightness(0) saturate(100%) invert(50%) sepia(50%) saturate(2000%) hue-rotate(100deg) brightness(95%) contrast(90%);
}

[data-theme="dark"] .copy-field-btn:hover .icon-svg {
    filter: brightness(0) saturate(100%) invert(65%) sepia(50%) saturate(2000%) hue-rotate(100deg) brightness(95%) contrast(90%);
}

.copy-field-btn.copied {
    opacity: 1;
}

.copy-field-btn.copied .icon-svg {
    /* Mittelgrün Filter für clipboard-check Icon */
    filter: brightness(0) saturate(100%) invert(65%) sepia(50%) saturate(2000%) hue-rotate(100deg) brightness(95%) contrast(90%);
}

/* Tooltip für Kopieren-Feedback */
.tooltip {
    position: fixed;
    background: #3182ce;
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.9em;
    z-index: 10000;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.tooltip.show {
    opacity: 1;
}

.icon-svg {
    width: 16px;
    height: 16px;
    display: block;
    transition: filter 0.2s ease;
}

/* Icons im Dark Mode standardmäßig hellgrau */
[data-theme="dark"] .icon-svg {
    filter: brightness(0) saturate(100%) invert(70%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%);
}

.duplicate-event-inline-btn {
    margin-left: 10px;
}

/* Multiple Links Container */
.multiple-links-container {
    margin: 15px 0;
}

.link-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.link-item-header {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.link-item > .link-display-box {
    width: 100%;
}

.link-item > .btn-copy-link {
    align-self: flex-start;
}

.link-item-title {
    font-weight: 600;
    color: var(--text-primary);
}

.link-item-datetime {
    color: var(--text-light);
    font-size: 0.9em;
}

.link-item .link-display-box {
    flex: 1;
    margin: 0;
}

.btn-copy-link {
    background: #dbeafe;
    color: var(--white);
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9em;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-copy-link:hover {
    background: transparent;
    transform: translateY(-1px);
}

/* Kopieren-Icon grün beim Hovern (Link-Bereich) */
.btn-copy-link:hover .icon-svg {
    filter: brightness(0) saturate(100%) invert(50%) sepia(50%) saturate(2000%) hue-rotate(100deg) brightness(95%) contrast(90%);
}

[data-theme="dark"] .btn-copy-link:hover .icon-svg {
    filter: brightness(0) saturate(100%) invert(65%) sepia(50%) saturate(2000%) hue-rotate(100deg) brightness(95%) contrast(90%);
}

.btn-copy-all-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-copy-all-links .icon-svg {
    width: 18px;
    height: 18px;
}

.btn-copy-all-links {
    width: 100%;
    margin-top: 15px;
    padding: 12px;
    background: var(--accent-green);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-copy-all-links:hover {
    background: var(--accent-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(72, 187, 120, 0.3);
}

/* Kopieren-Icon grün beim Hovern (Alle Links kopieren) */
.btn-copy-all-links:hover .icon-svg {
    filter: brightness(0) saturate(100%) invert(100%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%);
}

[data-theme="dark"] .btn-copy-all-links:hover .icon-svg {
    filter: brightness(0) saturate(100%) invert(100%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%);
}

.link-errors {
    margin-top: 15px;
    padding: 12px;
    background: var(--error-light);
    border-radius: 8px;
    border: 1px solid var(--error);
    color: var(--error);
}

.link-errors h5 {
    margin: 0 0 8px 0;
    font-size: 1em;
}

.link-errors div {
    margin: 4px 0;
    font-size: 0.9em;
}

.template-success-fields strong {
    color: var(--success);
}

/* Version Link */
.version-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 0.6em;
    vertical-align: super;
    margin-left: 4px;
    transition: all 0.2s ease;
}

.version-link:hover {
    color: var(--accent-blue-hover);
    text-decoration: underline;
}