:root {
    --bg-dark: #0a0a0c;
    --bg-panel: #16161a;
    --accent: #ff004c;
    --accent-glow: rgba(255, 0, 76, 0.3);
    --text-main: #ffffff;
    --text-dim: #a0a0a0;
    --gradient: linear-gradient(135deg, #ff004c 0%, #7000ff 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: 'Ubuntu', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header & Logo */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    cursor: pointer;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
}

.logo span {
    color: var(--accent);
    text-shadow: 0 0 15px var(--accent-glow);
}

/* Navigation */
nav {
    display: flex;
    gap: 15px;
}

.nav-btn {
    background: var(--bg-panel);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-dim);
    padding: 10px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    color: #fff;
    border-color: var(--accent);
}

.nav-btn.active {
    background: var(--gradient);
    color: #fff;
    border: none;
    box-shadow: 0 5px 15px var(--accent-glow);
}

.back-btn {
    background: transparent;
    border: 1px dashed var(--text-dim);
}

/* Sections */
.content-section {
    display: none;
    animation: fadeIn 0.5s ease;
}

.content-section.active {
    display: block;
}

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

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

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.section-header p {
    color: var(--text-dim);
    font-size: 1.1rem;
}

/* Skins Grid */
.skins-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 25px;
    padding-bottom: 50px;
}

.skin-card {
    background: var(--bg-panel);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.skin-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
}

.skin-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin-bottom: 15px;
    object-fit: cover;
    background: rgba(0, 0, 0, 0.2);
    border: 3px solid rgba(255, 255, 255, 0.1);
}

.skin-name {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-main);
    text-transform: capitalize;
}

/* Players List */
.players-list {
    background: var(--bg-panel);
    border-radius: 15px;
    padding: 10px;
    box-shadow: var(--shadow);
    max-width: 800px;
    margin: 0 auto;
}

.player-row {
    display: flex;
    align-items: center;
    padding: 15px 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: background 0.2s ease;
}

.player-row:last-child {
    border-bottom: none;
}

.player-row:hover {
    background: rgba(255, 255, 255, 0.02);
}

.rank {
    font-size: 1.5rem;
    font-weight: 700;
    width: 40px;
    color: var(--text-dim);
}

.rank-1 {
    color: #ffd700;
}

.rank-2 {
    color: #c0c0c0;
}

.rank-3 {
    color: #cd7f32;
}

.player-pic {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin: 0 20px;
    border: 2px solid var(--accent);
}

.player-info {
    flex-grow: 1;
}

.player-name {
    font-weight: 700;
    font-size: 1.2rem;
    display: block;
}

.player-level {
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 700;
}

.player-score {
    font-family: monospace;
    font-size: 1.1rem;
    color: var(--text-dim);
}

.coins-val {
    color: #ffd700;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.4);
    font-weight: 700;
}

/* Loader */
.loader {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 40px auto;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

footer {
    margin-top: auto;
    padding: 40px 0;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 20px;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .nav-btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
}