/**
 * Frontend CSS voor JBU Voting Nominatie Formulier
 * Styled with VSK.nl design system
 */

:root {
    --primary-color: #D91001;
    --secondary-color: #009F38;
    --text-color: #000;
    --background-color: #fff;
    --border-color: #e0e0e0;
    --error-color: #D91001;
    --success-color: #009F38;
    --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --heading-font: 'Work Sans', 'Roboto', sans-serif;
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 20px rgba(0,0,0,0.15);
}

/* Wrapper en algemene styling */
.jbu-nomination-form-wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: 2em;
    font-family: var(--font-family);
    color: var(--text-color);
    line-height: 1.5;
}

.jbu-form-title {
    text-align: center;
    margin-bottom: 3em;
    color: var(--text-color);
    font-family: var(--heading-font);
    font-weight: 700;
    font-size: clamp(1.5em, 4vw, 2.5em);
}

/* Formulier stappen */
.jbu-nomination-form {
    background: var(--background-color);
    padding: 2.5em;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.jbu-nomination-form:hover {
    box-shadow: var(--shadow-hover);
}

.jbu-form-step {
    animation: fadeIn 0.3s ease-in;
}

.jbu-form-step h3 {
    margin-bottom: 2em;
    color: var(--primary-color);
    font-family: var(--heading-font);
    font-weight: 600;
    font-size: 1.5em;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 1em;
    position: relative;
}

.jbu-form-step h3::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--secondary-color);
}

/* Formulier groepen */
.jbu-form-group {
    margin-bottom: 25px;
}

.jbu-form-group label {
    display: block;
    margin-bottom: 0.5em;
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.95em;
    letter-spacing: 0.02em;
}

.jbu-form-group input[type="text"],
.jbu-form-group input[type="email"],
.jbu-form-group input[type="tel"],
.jbu-form-group input[type="file"],
.jbu-form-group select,
.jbu-form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1em;
    font-family: var(--font-family);
    transition: var(--transition);
    background-color: #fafafa;
    box-sizing: border-box;
}

.jbu-form-group input:focus,
.jbu-form-group select:focus,
.jbu-form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: #fff;
    box-shadow: 0 0 0 2px rgba(217, 16, 1, 0.1);
}

/* Error styling */
.jbu-form-group input.error,
.jbu-form-group select.error,
.jbu-form-group textarea.error {
    border-color: var(--error-color);
    box-shadow: 0 0 0 2px rgba(217, 16, 1, 0.1);
}

.jbu-field-error {
    display: block;
    color: var(--error-color);
    font-size: 0.875em;
    margin-top: 0.5em;
    font-weight: 500;
}

/* Required indicator */
.required {
    color: var(--error-color);
    font-weight: 600;
}

/* Help text */
.help-text {
    display: block;
    font-size: 0.875em;
    color: #6b7280;
    margin-top: 0.5em;
    font-style: italic;
}

/* Fieldsets */
fieldset {
    border: 1px solid var(--border-color);
    padding: 1.5em;
    margin-bottom: 2em;
    border-radius: var(--border-radius);
    background-color: #f9f9f9;
}

legend {
    padding: 0 1em;
    font-weight: 600;
    color: var(--text-color);
    font-family: var(--heading-font);
    font-size: 1.1em;
}

/* Radio en checkbox styling */
.jbu-radio-label,
.jbu-checkbox-label {
    display: block;
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
    cursor: pointer;
}

.jbu-radio-label input,
.jbu-checkbox-label input {
    position: absolute;
    left: 0;
    top: 3px;
}

/* Navigatie knoppen */
.jbu-form-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
}

.jbu-next-step,
.jbu-prev-step,
.jbu-submit-form {
    padding: 12px 2em;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1em;
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.02em;
}

.jbu-next-step,
.jbu-submit-form {
    background-color: var(--primary-color);
    color: white;
    border: 2px solid var(--primary-color);
}

.jbu-next-step:hover:not(:disabled),
.jbu-submit-form:hover:not(:disabled) {
    background-color: #b50d01;
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(217, 16, 1, 0.3);
    border-color: #b50d01;
}

.jbu-prev-step {
    background-color: transparent;
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.jbu-prev-step:hover {
    background-color: #f5f5f5;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.jbu-next-step:disabled,
.jbu-submit-form:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    opacity: 0.6;
}

/* File upload styling */
#jbu_files {
    padding: 10px;
    background-color: #f9f9f9;
    border: 2px dashed #ddd;
    cursor: pointer;
}

#jbu_files:hover {
    border-color: #4CAF50;
}

/* File preview */
.jbu-file-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.jbu-file-item {
    position: relative;
    padding: 10px;
    background: #f5f5f5;
    border-radius: 4px;
    text-align: center;
    font-size: 14px;
}

.jbu-file-item img {
    max-width: 100%;
    height: 100px;
    object-fit: cover;
    margin-bottom: 5px;
    border-radius: 4px;
}

.jbu-file-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 5px;
}

/* Messages */
.jbu-form-messages {
    margin-top: 20px;
    display: none;
}

.jbu-message {
    padding: 15px 45px 15px 20px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-weight: 500;
    position: relative;
}

.jbu-success {
    background-color: rgba(0, 159, 56, 0.1);
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
    border-radius: var(--border-radius);
}

.jbu-error {
    background-color: rgba(217, 16, 1, 0.1);
    color: var(--error-color);
    border: 1px solid var(--error-color);
    border-radius: var(--border-radius);
}

/* Message close button */
.jbu-message-close {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    font-size: 24px;
    line-height: 1;
    font-weight: 700;
    color: inherit;
    opacity: 0.6;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.jbu-message-close:hover {
    opacity: 1;
    transform: translateY(-50%) scale(1.1);
}

.jbu-message-close:focus {
    outline: 2px solid currentColor;
    outline-offset: 2px;
    border-radius: 2px;
}

/* Progress indicator (optional) */
.jbu-progress-bar {
    height: 4px;
    background-color: #e0e0e0;
    border-radius: 2px;
    margin-bottom: 30px;
    overflow: hidden;
}

.jbu-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
    border-radius: 2px;
}

/* Responsive design */
@media (max-width: 768px) {
    .jbu-nomination-form-wrapper {
        padding: 1em;
    }
    
    .jbu-nomination-form {
        padding: 1.5em;
    }
    
    .jbu-form-title {
        font-size: 1.75em;
        margin-bottom: 2em;
    }
    
    .jbu-form-navigation {
        flex-direction: column;
        gap: 10px;
    }
    
    .jbu-next-step,
    .jbu-prev-step,
    .jbu-submit-form {
        width: 100%;
    }
    
    .jbu-file-preview {
        grid-template-columns: 1fr 1fr;
    }
}

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

/* Loading state */
.jbu-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
    vertical-align: middle;
}

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