/* Widget Forms CSS - Professional Dark Mode Form Styles */

/* Keyframes für Animationen */
@keyframes gradient-shift {
    0%, 100% { opacity: 0.6; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(10px); }
}

/* Form Container */
.widget-form-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-small);
}

.widget-form {
    width: 100%;
}

/* Form Filter Container */
.widget-form-filter {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.widget-form-filter-row {
    display: flex;
    gap: 1rem;
    align-items: end;
    flex-wrap: wrap;
}

/* Form Search Container - CI-konform, keine Animationen */
.widget-form-search {
    display: flex;
    gap: 1rem;
    align-items: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-small);
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.widget-form-search:hover {
    background: var(--color-surface-glass-hover);
    border-color: var(--color-border-medium);
    box-shadow: var(--shadow-elevated-hover);
}

.widget-form-search-input {
    flex: 1;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-small);
    background: var(--color-surface);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-family: var(--font-family-primary);
    transition: border-color 0.2s ease, background-color 0.2s ease;
    box-shadow: var(--shadow-small);
}

.widget-form-search-input:hover {
    border-color: var(--color-border-medium);
    background: var(--color-surface-elevated);
}

.widget-form-search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-surface-elevated);
    box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), 0.2);
}

/* Search Button - CI-konform, keine Animationen */
.widget-form-search-button {
    padding: 0.875rem 2rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
    transition: background-color 0.2s ease, border-color 0.2s ease;
    box-shadow: var(--shadow-medium);
    white-space: nowrap;
    background: var(--color-primary);
    color: var(--color-text-on-primary);
    border: 1px solid var(--color-primary);
    cursor: pointer;
}

.widget-form-search-button:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    box-shadow: var(--shadow-elevated);
}

.widget-form-search-button:active {
    background: var(--color-primary-dark);
    box-shadow: var(--shadow-medium);
}

.widget-form-search-button:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), 0.3);
}

/* Form Row - laut ui-forms.mdc Regel 001: ordentlich im Raster */
.widget-form-row {
    display: flex;
    gap: 1rem;
    align-items: end;
    flex-wrap: wrap;
}

/* Form Group - laut ui-forms.mdc Regel 008: minimale Spaltenbreite für Label */
.widget-form-group {
    flex: 1;
    min-width: 200px;
}

.widget-form-group:last-child {
    flex: 0 0 auto;
}

/* Form Labels */
.widget-form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

/* Pflichtfeld-Kennzeichnung - laut ui-forms.mdc Regel 009: rotes * */
.widget-form-label-required::after {
    content: ' *';
    color: var(--color-error);
}

/* Form Inputs - laut ui-forms.mdc Regel 010: sinnvolle placeholder */
.widget-form-input,
.widget-form-select,
.widget-form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-small);
    background: var(--color-surface);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-family: var(--font-family-primary);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    transition: border-color 0.2s ease, background-color 0.2s ease;
    box-shadow: var(--shadow-small);
}

.widget-form-input:hover,
.widget-form-select:hover,
.widget-form-textarea:hover {
    border-color: var(--color-border-medium);
    background: var(--color-surface-elevated);
}

.widget-form-input:focus,
.widget-form-select:focus,
.widget-form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-surface-elevated);
    box-shadow: 0 0 0 2px rgba(var(--color-primary-rgb), 0.2);
}

.widget-form-input::placeholder,
.widget-form-textarea::placeholder {
    color: var(--color-text-tertiary);
    opacity: 0.7;
}

/* Select Styles - CI-konform, keine Animationen, keine Pfeile */
.widget-form-select {
    cursor: pointer;
    position: relative;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

/* Textarea Styles */
.widget-form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* Form Validation */
.widget-form-input:invalid,
.widget-form-select:invalid,
.widget-form-textarea:invalid {
    border-color: var(--color-error);
}

.widget-form-input:valid,
.widget-form-select:valid,
.widget-form-textarea:valid {
    border-color: var(--color-success);
}

/* Form Error Messages - laut ui-forms.mdc Regel 007: direkt unterhalb */
.widget-form-error {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: 0.25rem;
    display: block;
}

/* Form Success Messages */
.widget-form-success {
    color: var(--color-success);
    font-size: var(--font-size-sm);
    margin-top: 0.25rem;
    display: block;
}

/* Form Help Text */
.widget-form-help {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-top: 0.25rem;
    display: block;
}

/* Checkbox and Radio Styles */
.widget-form-checkbox,
.widget-form-radio {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.widget-form-checkbox input[type="checkbox"],
.widget-form-radio input[type="radio"] {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--color-primary);
}

.widget-form-checkbox label,
.widget-form-radio label {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    cursor: pointer;
}

/* Form Groups */
.widget-form-group-inline {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.widget-form-group-inline .widget-form-group {
    flex: 1;
}

/* Responsive Design - laut ui-css.mdc Regel 022: 4 Breakpoints */

/* Mobile: max-width 576px */
@media (max-width: 576px) {
    .widget-form-container,
    .widget-form-filter {
        padding: 1rem;
    }
    
    .widget-form-row,
    .widget-form-filter-row {
        flex-direction: column;
    }
    
    .widget-form-group {
        min-width: 100%;
    }
    
    .widget-form-group-inline {
        flex-direction: column;
        align-items: stretch;
    }
    
    .widget-form-input,
    .widget-form-select,
    .widget-form-textarea {
        padding: 0.625rem;
        font-size: var(--font-size-sm);
    }
}

/* Tablet/iPad: 600px-768px */
@media (min-width: 600px) and (max-width: 768px) {
    .widget-form-container,
    .widget-form-filter {
        padding: 1.5rem;
    }
    
    .widget-form-row,
    .widget-form-filter-row {
        flex-direction: column;
    }
    
    .widget-form-group {
        min-width: 100%;
    }
    
    .widget-form-group-inline {
        flex-direction: column;
        align-items: stretch;
    }
}