:root {
    --primary-orange: #ff6a00;
    --primary-orange-hover: #e85d00;
    --primary-orange-dark: #d94f00;
    --primary-orange-light: #fff3eb;
    --primary-orange-soft: #fff8f3;

    --text-dark: #1f2937;
    --text-muted: #6b7280;

    --bg-light: #fffaf7;
    --white: #ffffff;

    --border-color: #ffe0cc;
    --border-orange: #ffbd91;

    --shadow-sm: 0 2px 6px rgba(255, 106, 0, 0.08);
    --shadow-md: 0 6px 18px rgba(255, 106, 0, 0.14);
    --shadow-lg: 0 10px 30px rgba(255, 106, 0, 0.18);

    --radius: 10px;
    --transition: all 0.25s ease-in-out;
}

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;

    color: var(--text-dark);
    background: linear-gradient(
        180deg,
        #fffaf7 0%,
        #fff7f2 100%
    );

    line-height: 1.5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ================================
   Header Styles
================================ */

.site-header {
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid var(--border-color);

    position: sticky;
    top: 0;
    z-index: 100;

    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;

    padding: 12px 16px;

    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.header-logo {
    height: 36px;
    width: auto;
    object-fit: contain;
    display: block;
}


/* ================================
   Main Layout
================================ */

.main-content {
    flex: 1;
    padding: 32px 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}


/* ================================
   Page Header
================================ */

.page-header-title {
    margin-bottom: 24px;
    text-align: center;
}

.page-header-title h1 {
    font-size: 26px;
    font-weight: 700;

    color: var(--text-dark);

    margin-bottom: 4px;

    position: relative;
    display: inline-block;
}

.page-header-title h1::after {
    content: "";

    display: block;

    width: 45px;
    height: 3px;

    margin: 7px auto 0;

    background: linear-gradient(
        90deg,
        var(--primary-orange),
        #ff9d5c
    );

    border-radius: 10px;
}

.page-header-title p {
    font-size: 14px;
    color: var(--text-muted);
}


/* ================================
   Categories Grid
================================ */

.categories-grid {
    display: grid;

    /* Mobile: 3 columns */
    grid-template-columns: repeat(3, minmax(0, 1fr));

    gap: 10px;
}


/* Tablet: 5 columns */
@media (min-width: 600px) {
    .categories-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 14px;
    }
}


/* Laptop: 6 columns */
@media (min-width: 992px) {
    .categories-grid {
        grid-template-columns: repeat(6, minmax(0, 1fr));
        gap: 18px;
    }
}


/* Computer / Desktop: 7 columns */
@media (min-width: 1200px) {
    .categories-grid {
        grid-template-columns: repeat(7, minmax(0, 1fr));
        gap: 20px;
    }
}


/* ================================
   Category Card
================================ */

.category-card {
    background-color: var(--white);

    border: 1px solid var(--border-color);

    border-radius: var(--radius);

    overflow: hidden;

    text-decoration: none;
    color: inherit;

    display: flex;
    flex-direction: column;

    box-shadow: var(--shadow-sm);

    transition: var(--transition);

    cursor: pointer;

    position: relative;
}


/* Orange top accent */
.category-card::before {
    content: "";

    position: absolute;

    top: 0;
    left: 0;

    width: 100%;
    height: 3px;

    background: linear-gradient(
        90deg,
        var(--primary-orange),
        #ff9d5c
    );

    transform: scaleX(0);

    transform-origin: left;

    transition: transform 0.25s ease;

    z-index: 2;
}


.category-card:hover {
    transform: translateY(-4px);

    box-shadow: var(--shadow-lg);

    border-color: var(--border-orange);
}


.category-card:hover::before {
    transform: scaleX(1);
}


.category-card:focus-visible {
    outline: 2px solid var(--primary-orange);
    outline-offset: 2px;
}


/* ================================
   Category Image
================================ */

.category-image-wrap {
    width: 100%;

    aspect-ratio: 1 / 1;

    background: linear-gradient(
        135deg,
        #fff4ec,
        #fff9f5
    );

    position: relative;

    overflow: hidden;
}


.category-img {
    width: 100%;
    height: 100%;

    object-fit: cover;

    transition: transform 0.3s ease;
}


.category-card:hover .category-img {
    transform: scale(1.05);
}


/* ================================
   Category Name
================================ */

.category-name {
    padding: 12px;

    font-size: 14px;

    font-weight: 600;

    text-align: center;

    color: var(--text-dark);

    background-color: var(--white);

    border-top: 1px solid var(--border-color);

    white-space: nowrap;

    overflow: hidden;

    text-overflow: ellipsis;

    transition: var(--transition);
}


.category-card:hover .category-name {
    color: var(--primary-orange-dark);

    background-color: var(--primary-orange-soft);
}


@media (min-width: 768px) {
    .category-name {
        font-size: 15px;
        padding: 14px;
    }
}


/* ================================
   Fallback Image Container
================================ */

.image-fallback {
    width: 100%;
    height: 100%;

    display: flex;

    align-items: center;
    justify-content: center;

    background: linear-gradient(
        135deg,
        #fff1e8,
        #fff8f3
    );

    color: var(--primary-orange);

    border: 1px solid #ffe2d0;
}


/* ================================
   Skeleton Loading
================================ */

.skeleton-card {
    background: linear-gradient(
        90deg,
        #fff1e8 25%,
        #ffe3d2 50%,
        #fff1e8 75%
    );

    background-size: 200% 100%;

    animation: shimmer 1.5s infinite;

    min-height: 220px;

    border: none;

    box-shadow: none;
}


@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}


/* ================================
   Load More Section
================================ */

.load-more-container {
    margin-top: 40px;

    display: flex;

    justify-content: center;
}


.load-more-btn {
    background: linear-gradient(
        135deg,
        var(--primary-orange),
        #ff8500
    );

    color: var(--white);

    border: none;

    padding: 12px 28px;

    font-size: 15px;

    font-weight: 600;

    border-radius: var(--radius);

    cursor: pointer;

    display: flex;

    align-items: center;

    justify-content: center;

    gap: 8px;

    box-shadow: 0 4px 12px rgba(255, 106, 0, 0.20);

    transition: var(--transition);
}


.load-more-btn:hover:not(:disabled) {
    background: linear-gradient(
        135deg,
        var(--primary-orange-hover),
        var(--primary-orange)
    );

    box-shadow: 0 7px 18px rgba(255, 106, 0, 0.28);

    transform: translateY(-2px);
}


.load-more-btn:active:not(:disabled) {
    transform: translateY(0);

    box-shadow: var(--shadow-sm);
}


.load-more-btn:disabled {
    opacity: 0.7;

    cursor: not-allowed;
}


/* ================================
   States
================================ */

.hidden {
    display: none !important;
}


.empty-state,
.error-state,
.end-message {
    text-align: center;

    padding: 48px 16px;

    color: var(--text-muted);
}


/* ================================
   Empty Icon
================================ */

.empty-icon-wrap {
    margin-bottom: 12px;

    color: #ffb17c;
}


/* ================================
   Error State
================================ */

.error-state p {
    color: #dc2626;

    margin-bottom: 16px;

    font-weight: 500;
}


/* ================================
   Retry Button
================================ */

.retry-btn {
    background-color: var(--primary-orange);

    color: var(--white);

    border: none;

    padding: 10px 20px;

    font-size: 14px;

    border-radius: var(--radius);

    cursor: pointer;

    display: inline-flex;

    align-items: center;

    gap: 6px;

    transition: var(--transition);

    box-shadow: var(--shadow-sm);
}


.retry-btn:hover {
    background-color: var(--primary-orange-hover);

    box-shadow: var(--shadow-md);

    transform: translateY(-1px);
}


.retry-btn:active {
    transform: translateY(0);
}


/* ================================
   End Message
================================ */

.end-message {
    font-size: 14px;

    font-weight: 500;

    color: var(--text-muted);
}


/* ================================
   Footer Dynamic View
================================ */

.footer-loading {
    text-align: center;

    padding: 24px;

    color: var(--text-muted);

    font-size: 14px;
}


/* ================================
   Mobile Optimization
================================ */

@media (max-width: 599px) {

    .main-content {
        padding: 24px 10px;
    }

    .page-header-title {
        margin-bottom: 18px;
    }

    .page-header-title h1 {
        font-size: 22px;
    }

    .page-header-title p {
        font-size: 13px;
    }

    .category-card {
        border-radius: 8px;
    }

    .category-name {
        padding: 9px 5px;

        font-size: 12px;
    }

    .load-more-container {
        margin-top: 30px;
    }

    .load-more-btn {
        padding: 11px 22px;

        font-size: 14px;
    }
}


/* ================================
   Small Mobile Optimization
================================ */

@media (max-width: 380px) {

    .categories-grid {
        gap: 8px;
    }

    .category-name {
        font-size: 11px;

        padding: 8px 4px;
    }
}