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

body {
    background-color: #0a0a0f;
    color: #ffffff;
    font-family: 'Segoe UI', sans-serif;
    min-height: 100vh;
    padding: 20px;
}

/* HEADER */
header {
    text-align: center;
    padding: 50px 20px 30px;
}

.logo {
    font-family: 'Arial Black', sans-serif;
    font-size: 48px;
    font-weight: 900;
    letter-spacing: 4px;
}

.logo-white {
    color: #ffffff;
}

.logo-blue {
    color: #1e90ff;
}

/* FILTERS */
.filters {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    padding: 0 20px 40px;
    flex-wrap: wrap;
}

.filters label {
    color: #888888;
    font-size: 13px;
    letter-spacing: 1px;
}

.filters input[type="color"] {
    width: 40px;
    height: 40px;
    border: 2px solid #222222;
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
}

.filters input[type="range"] {
    width: 150px;
    accent-color: #1e90ff;
}

#sizeValue {
    color: #1e90ff;
    font-weight: bold;
    font-size: 13px;
    min-width: 50px;
}

/* GALLERY */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.loading {
    grid-column: 1 / -1;
    text-align: center;
    color: #666666;
    font-size: 16px;
    padding: 60px;
}

.icon-card {
    background-color: #14141a;
    border: 1px solid #222222;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    transition: all 0.2s;
    cursor: pointer;
    aspect-ratio: 1;
    justify-content: center;
}

.icon-card:hover {
    border-color: #1e90ff;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(30, 144, 255, 0.2);
    background-color: #1a1a22;
}

.icon-preview {
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-preview img {
    max-width: 100%;
    max-height: 100%;
}

.icon-download {
    background-color: #1e90ff;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 11px;
    font-weight: bold;
    cursor: pointer;
    letter-spacing: 1px;
    opacity: 0;
    transition: opacity 0.2s;
}

.icon-card:hover .icon-download {
    opacity: 1;
}