:root {
    --ph-orange: #ff6154;
    --ph-bg: #f6f6ef;
    --ph-border: #e2e2e0;
    --ph-text: #333333;
    --ph-text-light: #666666;
    --ph-hover: #fafaf9;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--ph-bg);
    color: var(--ph-text);
    line-height: 1.5;
}

/* Header */
.header {
    background: white;
    border-bottom: 1px solid var(--ph-border);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: fadeInDown 0.6s ease-out;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 400;
    color: var(--ph-text);
    text-decoration: none;
    letter-spacing: -0.5px;
    animation: slideInLeft 0.6s ease-out;
}

.logo-svg {
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.logo:hover .logo-svg {
    transform: rotate(360deg);
}

.logo:hover {
    opacity: 0.8;
}

.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

.nav-link {
    color: var(--ph-text-light);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

    .nav-link:hover {
        color: var(--ph-text);
    }

.btn-submit {
    background: #242424;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

    .btn-submit:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(36, 36, 36, 0.3);
        background: #333333;
    }

    .btn-submit:hover {
        opacity: 0.9;
    }

/* Main Container */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* Hero */
.hero {
    text-align: center;
    margin-bottom: 48px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

    .hero h1 {
        font-size: 48px;
        font-weight: 700;
        margin-bottom: 16px;
        color: var(--ph-text);
    }

    .hero p {
        font-size: 18px;
        color: var(--ph-text-light);
        margin-bottom: 24px;
    }

/* Filters */
.filters-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

.filters {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 8px;
    flex: 1;
}

.filter-btn {
    background: white;
    border: 1px solid var(--ph-border);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--ph-text);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s ease;
}

    .filter-btn:hover {
        border-color: #ffd43b;
        transform: translateY(-2px);
        box-shadow: 0 2px 8px rgba(255, 212, 59, 0.3);
    }

    .filter-btn.active {
        background: #ffd43b;
        color: #242424;
        border-color: #ffd43b;
        font-weight: 600;
    }

.search-container {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    border: 1px solid var(--ph-border);
    background: white;
    padding: 8px 36px 8px 12px;
    border-radius: 20px;
    font-size: 14px;
    width: 280px;
    transition: all 0.2s;
    outline: none;
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

    .search-input:focus {
        border-color: var(--ph-orange);
        box-shadow: 0 0 0 3px rgba(255, 97, 84, 0.1);
    }

    .search-input::placeholder {
        color: var(--ph-text-light);
    }

.search-icon {
    position: absolute;
    right: 12px;
    pointer-events: none;
    color: var(--ph-text-light);
    font-size: 16px;
}

/* Product List */
.product-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.product-card {
    background: white;
    border: 1px solid var(--ph-border);
    border-radius: 8px;
    padding: 20px 24px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: all 0.3s ease;
    cursor: pointer;
    animation: fadeInUp 0.4s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
    border-color: var(--ph-orange);
}

to {
    opacity: 1;
    transform: translateY(0);
}

}

.product-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.upvote-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-width: 48px;
}

.upvote-btn {
    width: 48px;
    height: 48px;
    border: 1.5px solid var(--ph-border);
    border-radius: 8px;
    background: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

    .upvote-btn:hover {
        border-color: var(--ph-orange);
        transform: translateY(-3px);
        box-shadow: 0 4px 12px rgba(255, 97, 84, 0.2);
    }

    .upvote-btn:active {
        transform: translateY(-1px);
    }

.upvote-icon {
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 8px solid var(--ph-text-light);
    margin-bottom: 2px;
}

.upvote-btn:hover .upvote-icon {
    border-bottom-color: var(--ph-orange);
}

.upvote-count {
    font-size: 13px;
    font-weight: 600;
    color: var(--ph-text);
}

.product-icon {
    width: 72px;
    height: 72px;
    min-width: 72px;
    border-radius: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    font-weight: 700;
}

.product-content {
    flex: 1;
    min-width: 0;
}

.product-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.product-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--ph-text);
    margin: 0;
}

.product-badge {
    background: #fef3c7;
    color: #92400e;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.product-tagline {
    font-size: 15px;
    color: var(--ph-text-light);
    margin-bottom: 12px;
}

.product-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.product-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    background: var(--ph-bg);
    color: var(--ph-text-light);
    font-size: 13px;
    padding: 4px 10px;
    border-radius: 4px;
    text-decoration: none;
    transition: background 0.2s;
}

    .tag:hover {
        background: var(--ph-border);
    }

.product-stats {
    display: flex;
    gap: 16px;
    color: var(--ph-text-light);
    font-size: 13px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

    .stat-item i {
        font-size: 14px;
    }

/* Featured Banner */
.featured-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 32px;
    text-align: center;
    animation: scaleIn 0.8s ease-out 0.4s both;
}

    .featured-banner h2 {
        font-size: 28px;
        font-weight: 700;
        margin-bottom: 12px;
    }

    .featured-banner p {
        font-size: 16px;
        opacity: 0.9;
        margin-bottom: 20px;
    }

.btn-featured {
    background: white;
    color: #667eea;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

    .btn-featured:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .featured-banner {
        padding: 30px 20px;
    }

        .featured-banner h2 {
            font-size: 24px;
        }

        .featured-banner p {
            font-size: 14px;
        }

    .product-card {
        flex-direction: column;
        padding: 16px;
    }

    .upvote-section {
        flex-direction: row;
        width: 100%;
        justify-content: flex-start;
    }

    .product-icon {
        width: 56px;
        height: 56px;
        min-width: 56px;
        font-size: 24px;
    }

    .product-name {
        font-size: 16px;
    }

    .product-tagline {
        font-size: 14px;
    }

    .nav-links {
        display: none;
    }

    .filters-section {
        flex-direction: column;
        align-items: stretch;
    }

    .filters {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

        .filters::-webkit-scrollbar {
            display: none;
        }

    .search-input {
        width: 100%;
    }

    .search-container {
        width: 100%;
    }

    .main-container {
        padding: 24px 16px;
    }

    .header-content {
        padding: 12px 16px;
    }

    .btn-submit {
        padding: 8px 12px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }

    .logo span {
        font-size: 16px;
    }

    .product-card {
        gap: 12px;
    }

    .upvote-btn {
        width: 40px;
        height: 40px;
    }

    .upvote-count {
        font-size: 12px;
    }

    .filter-btn {
        font-size: 13px;
        padding: 6px 14px;
    }

    .tag {
        font-size: 12px;
    }
}

.footer {
    max-width: 1200px;
    margin: 80px auto 0;
    padding: 40px 24px;
    border-top: 1px solid var(--ph-border);
    text-align: center;
    color: var(--ph-text-light);
    font-size: 14px;
}