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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f7f7f7;
    padding: 20px;
    color: #333;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

header .logo {
    height: 145px;
    width: auto;
}

.main-menu {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 200px;
}

.main-menu ul {
    list-style: none;
    display: flex;
    gap: 40px;
    font-size: 1.2rem;
}

.main-menu ul li a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    transition: color 0.2s;
}

.main-menu ul li a:hover {
    color: #0077FF;
}

main {
    display: flex;
    gap: 20px;
}

#filters {
    width: 150px;
    background: #fff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

#filters h2 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

#filters button {
    display: block;
    width: 100%;
    margin-bottom: 8px;
    padding: 8px;
    border: none;
    background: #f0f0f0;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.2s;
}

#filters button:hover {
    background: #ddd;
}

#palettes-container,
#trendy-container {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px,1fr));
    gap: 20px;
    justify-items: center;
}

.palette {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    width: 200px;
}

.palette:hover {
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.palette .colors-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
}

.palette .colors {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
}

.palette .colors div {
    flex: 1;
    height: 100%;
    transition: transform 0.3s;
}

.palette-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 10px;
    font-size: 0.9rem;
    background: rgba(255,255,255,0.9);
    border-top: 1px solid #eee;
    border-radius: 0 0 5px 5px;
}

.palette-footer .likes {
    display: flex;
    align-items: center;
    gap: 4px;
}

.palette-footer .likes svg {
    width:16px;
    height:16px;
    fill: rgba(0,0,0,0.5);
}

.palette-footer .number {
    font-weight: bold;
    color: rgba(0,0,0,0.6);
}

.palette-detail .colors {
    display: flex;
    width: 600px;
    height: 120px;
    margin: 20px auto 5px auto;
    border-radius: 8px;
    overflow: hidden;
}

.palette-detail .colors div {
    flex: 1;
    height: 100%;
    position: relative;
    transition: transform 0.3s;
}

.palette-detail .colors div .color-hex {
    position: absolute;
    bottom: 5px;
    left: 5px;
    color: #fff;
    font-weight: bold;
    font-size: 0.8rem;
    text-shadow: 0 0 3px rgba(0,0,0,0.7);
}

.palette-detail .palette-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width:600px;
    margin: 0 auto 10px auto;
    font-size: 0.95rem;
    background: rgba(255,255,255,0.9);
    padding:5px 10px;
    border-radius:5px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.palette-detail .palette-info {
    max-width:600px;
    margin:0 auto 20px auto;
    text-align:center;
    font-size:0.95rem;
    padding:10px 0;
}

.palette-detail button#download-btn {
    margin-top:10px;
    padding:8px 15px;
    border:none;
    background:#0077FF;
    color:white;
    border-radius:5px;
    cursor:pointer;
    transition: background 0.3s;
}

.palette-detail button#download-btn:hover {
    background:#005FCC;
}

.palette-detail button#share-btn {
    margin-top:10px;
    padding:10px 20px;
    border:none;
    background:#28a745;
    color:white;
    font-weight:bold;
    border-radius:5px;
    cursor:pointer;
    font-size:1rem;
    display:inline-flex;
    align-items:center;
    gap:5px;
    transition: background 0.3s, transform 0.2s;
}

.palette-detail button#share-btn:hover {
    background:#218838;
    transform: translateY(-2px);
}

.terms-container,
.about-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

.terms-container h1,
.about-container h1 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.terms-container h2,
.about-container h2 {
    font-size: 1.3rem;
    margin-top: 20px;
    margin-bottom: 10px;
}

.terms-container p,
.about-container p {
    font-size: 1rem;
    margin-bottom: 15px;
    line-height: 1.5;
}

@media(max-width:900px){
    #palettes-container,
    #trendy-container { grid-template-columns: repeat(auto-fill,minmax(150px,1fr)); }
    header { flex-direction: column; gap:20px; }
}

@media(max-width:600px){
    #palettes-container,
    #trendy-container { grid-template-columns: repeat(auto-fill,minmax(120px,1fr)); }
    main { flex-direction: column; }
    #filters { width:100%; }
}