html, body {
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
    margin: 0;
    padding: 0;
    background: #f5f5ff;
}

main {
    margin-left: 3%;
    margin-right: 3%;
    padding-bottom: 120px;
}

header, footer {
    background: #0000ff;
    color: #e0e0e0;
    padding: 24px 40px;
    width: 100%;
    box-sizing: border-box;
}

.siteHeader {
    font-size: 20px;
    letter-spacing: 1px;
}

.siteHeaderInner {
    display: flex;
    align-items: baseline;
    gap: 16px;
}

.siteTitle {
    font-size: 22px;
    font-weight: 700;
}

.siteSubtitle {
    font-size: 14px;
    color: #b0b0e0;
}

nav.siteNav {
    background: #0000cc;
    padding: 0 40px;
    width: 100%;
    box-sizing: border-box;
}

.navList {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 4px;
}

.navLink {
    display: block;
    color: #e0e0e0;
    text-decoration: none;
    padding: 10px 16px;
    font-size: 14px;
    letter-spacing: 0.5px;
}

.navLink:hover {
    background: #0000ff;
    color: #09ff00;
}

hr {
    border: none;
    border-top: 1px solid #09ff00;
    margin: 32px 0;
}

h2, h3 {
    font-weight: 700;
    margin: 0 0 16px;
}

.sectionTitle {
    font-size: 22px;
    margin: 28px 0 20px;
}

.list {
    padding-left: 40px;
    line-height: 2;
}

.form {
    max-width: 560px;
    padding: 8px 0;
}

.formFieldset {
    border: 2px solid #0000ff;
    border-radius: 4px;
    padding: 20px 24px;
    margin-bottom: 24px;
}

.formLegend {
    background: #0000ff;
    color: #fff;
    padding: 4px 14px;
    font-size: 14px;
    letter-spacing: 0.5px;
}

.formGroup {
    display: flex;
    flex-direction: column;
    margin-bottom: 16px;
}

.formLabel {
    font-size: 14px;
    margin-bottom: 6px;
    letter-spacing: 0.3px;
}

.required {
    color: #0000ff;
}

.formInput {
    font-family: 'Arial Narrow Bold', sans-serif;
    font-size: 14px;
    border: 2px solid #ccc;
    padding: 8px 12px;
    outline: none;
    background: #fff;
    transition: border-color 0.15s;
}

.formInput:focus {
    border-color: #0000ff;
}

.formSelect {
    font-family: 'Arial Narrow Bold', sans-serif;
    font-size: 14px;
    border: 2px solid #ccc;
    padding: 8px 12px;
    outline: none;
    background: #fff;
    cursor: pointer;
}

.formSelect:focus {
    border-color: #0000ff;
}

.formTextarea {
    font-family: 'Arial Narrow Bold', sans-serif;
    font-size: 14px;
    border: 2px solid #ccc;
    padding: 8px 12px;
    outline: none;
    background: #fff;
    resize: vertical;
    transition: border-color 0.15s;
}

.formTextarea:focus {
    border-color: #0000ff;
}

.formHint {
    font-family: 'Arial Narrow Bold', sans-serif;
    font-size: 12px;
    color: #888;
    margin-top: 4px;
}

.radioGroup {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
}

.radioLabel {
    font-family: 'Arial Narrow Bold', sans-serif;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.radioLabel input {
    accent-color: #0000ff;
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.checkboxGroup {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.checkboxLabel {
    font-family: 'Arial Narrow Bold', sans-serif;
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    cursor: pointer;
    line-height: 1.5;
}

.checkboxLabel input {
    accent-color: #0000ff;
    width: 16px;
    height: 16px;
    margin-top: 2px;
    cursor: pointer;
    flex-shrink: 0;
}

.rangeGroup {
    display: flex;
    align-items: center;
    gap: 10px;
}

.rangeInput {
    width: 120px;
}

.formButtons {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.buttonPrimary {
    background: #0000ff;
    color: #fff;
    border: none;
    padding: 10px 28px;
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
    font-size: 15px;
    letter-spacing: 0.5px;
    cursor: pointer;
}

.buttonPrimary:hover {
    background: #0000cc;
}

.buttonSecondary {
    background: #fff;
    color: #0000ff;
    border: 2px solid #0000ff;
    padding: 8px 28px;
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
    font-size: 15px;
    letter-spacing: 0.5px;
    cursor: pointer;
}

.buttonSecondary:hover {
    background: #f0f0ff;
}

.cardGrid {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.userCard {
    background: #fff;
    border: 2px solid #0000ff;
    padding: 24px;
    width: 240px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.userCard:hover {
    border-color: #09ff00;
}

.userCard-avatar {
    width: 80px;
    height: 80px;
    border-radius: 100%;
    border: 3px solid #0000ff;
    object-fit: cover;
    margin-bottom: 14px;
}

.userCard-name {
    font-size: 18px;
    margin: 0 0 4px;
}

.userCard-role {
    font-family: 'Arial Narrow Bold', sans-serif;
    font-size: 13px;
    color: #0000ff;
    margin: 0 0 12px;
}

.userCard-bio {
    font-family: 'Arial Narrow Bold', sans-serif;
    font-size: 13px;
    line-height: 1.6;
    color: #444;
    margin: 0 0 16px;
}

.userCard-stats {
    display: flex;
    gap: 12px;
    margin-bottom: 18px;
}

.userCard-stat {
    font-family: 'Arial Narrow Bold', sans-serif;
    font-size: 12px;
    color: #666;
    text-align: center;
}

.userCard-stat strong {
    display: block;
    font-size: 18px;
    color: #000;
}

.userCard-link {
    background: #0000ff;
    color: #fff;
    text-decoration: none;
    padding: 8px 22px;
    font-size: 13px;
    letter-spacing: 0.5px;
    margin-top: auto;
}

.userCard-link:hover {
    background: #09ff00;
    color: #000;
}

.productCard {
    background: #fff;
    border: 2px solid #0000ff;
    width: 240px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.productCard:hover {
    border-color: #09ff00;
}

.productCard--unavailable {
    opacity: 0.7;
}

.productCard-badge {
    position: absolute;
    top: 12px;
    left: 0;
    background: #0000ff;
    color: #fff;
    font-size: 11px;
    padding: 3px 12px;
    letter-spacing: 0.5px;
}

.productCard-badge--new {
    background: #09aa00;
}

.productCard-badge--sold {
    background: #888;
}

.productCard-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
}

.productCard-name {
    font-size: 16px;
    margin: 0;
    padding: 16px 16px 8px;
}

.productCard-desc {
    font-family: 'Arial Narrow Bold', sans-serif;
    font-size: 13px;
    line-height: 1.6;
    color: #444;
    margin: 0;
    padding: 0 16px 16px;
    flex-grow: 1;
}

.productCard-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-top: 1px solid #09ff00;
}

.productCard-price {
    font-size: 16px;
    font-weight: 700;
    color: #0000ff;
}

.productCard-button {
    background: #0000ff;
    color: #fff;
    border: none;
    padding: 7px 16px;
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
    font-size: 13px;
    cursor: pointer;
    letter-spacing: 0.3px;
}

.productCard-button:hover:not(:disabled) {
    background: #09ff00;
    color: #000;
}

.productCard-button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.articleCard {
    background: #fff;
    border: 2px solid #0000ff;
    border-left: 6px solid #09ff00;
    padding: 20px 22px;
    width: 260px;
    display: flex;
    flex-direction: column;
}

.articleCard:hover {
    border-color: #0000ff;
    border-left-color: #0000ff;
}

.articleCard-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.articleCard-date {
    font-family: 'Arial Narrow Bold', sans-serif;
    font-size: 12px;
    color: #888;
}

.articleCard-tag {
    background: #0000ff;
    color: #fff;
    font-size: 11px;
    padding: 2px 10px;
    letter-spacing: 0.4px;
}

.articleCard-title {
    font-size: 16px;
    margin: 0 0 10px;
    line-height: 1.3;
}

.articleCard-text {
    font-family: 'Arial Narrow Bold', sans-serif;
    font-size: 13px;
    line-height: 1.7;
    color: #444;
    margin: 0 0 18px;
    flex-grow: 1;
}

.articleCard-link {
    color: #0000ff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.4px;
    align-self: flex-start;
    border-bottom: 2px solid #09ff00;
    padding-bottom: 1px;
}

.articleCard-link:hover {
    color: #09aa00;
    border-bottom-color: #09aa00;
}

.result {
    background: #fff;
    border: 2px solid #0000ff;
    padding: 16px 20px;
    margin-top: 16px;
    max-width: 560px;
    font-family: 'Arial Narrow Bold', sans-serif;
    font-size: 15px;
    color: #000;
    line-height: 1.6;
}

.result--error {
    border-color: #cc0000;
    color: #cc0000;
}

.result--ok {
    border-color: #09aa00;
    color: #09aa00;
}

.is-active {
    background: #09ff00;
    color: #000;
}

.is-hidden {
    display: none !important;
}

.modalOverlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal {
    background: #fff;
    border: 2px solid #0000ff;
    padding: 24px 28px;
    max-width: 420px;
}

.todoDone {
    text-decoration: line-through;
    color: #888;
}

.dataTable {
    border-collapse: collapse;
    width: 100%;
    max-width: 700px;
    background: #fff;
}

.dataTable th,
.dataTable td {
    border: 1px solid #0000ff;
    padding: 8px 12px;
    font-family: 'Arial Narrow Bold', sans-serif;
    font-size: 14px;
    text-align: left;
}

.dataTable th {
    background: #0000ff;
    color: #fff;
}

footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    font-size: 14px;
    line-height: 1.8;
    box-sizing: border-box;
}

footer p {
    margin: 0;
}