:root {
    --bg-color: #0e0d0a;
    --card-bg: #161b22;
    --text-primary: #ffffff;
    --text-secondary: #8b949e;
    --gold-accent: #f0c040;
    --cyan-accent: #40c0f0;
    --danger-color: #cf6679;
    --border-radius: 4px;
    --spacing: 20px;

    --font-ui: 'Jost', sans-serif;
    --font-data: 'Oswald', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-ui);
    line-height: 1.6;
    padding-top: 275px;
    /* Increased to prevent fixed header overlap */
}

/* --- Header & Navigation --- */

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(14, 13, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-bottom: 2px solid rgba(240, 192, 64, 0.1);
}

header h1 {
    font-size: 2.5rem;
    font-family: var(--font-data);
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--text-primary);
    margin-bottom: 5px;
    font-weight: 700;
}

header p {
    font-size: 0.9rem;
    color: var(--gold-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.tabs {
    display: flex;
    gap: 30px;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 10px 5px;
    cursor: pointer;
    font-family: var(--font-data);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-bottom: 3px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab-btn.active {
    color: var(--gold-accent);
    border-bottom-color: var(--gold-accent);
}

.tab-btn:hover:not(.active) {
    color: var(--text-primary);
}

.score-mode-selector {
    display: flex;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 2px;
    padding: 2px;
    margin-top: 20px;
    align-items: center;
}

.selector-label {
    font-family: var(--font-data);
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 700;
    margin-right: 10px;
    margin-left: 10px;
    letter-spacing: 1px;
}

.mode-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 6px 20px;
    border-radius: 2px;
    cursor: pointer;
    font-family: var(--font-data);
    font-size: 0.9rem;
    text-transform: uppercase;
    font-weight: 700;
    transition: all 0.2s;
}

.mode-btn.active {
    background-color: var(--gold-accent);
    color: var(--bg-color);
}

.header-actions {
    position: absolute;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: 15px;
}

.settings-btn,
.filter-btn {
    background-color: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 2px;
    cursor: pointer;
    font-family: var(--font-data);
    text-transform: uppercase;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1px;
    transition: all 0.2s;
}

.settings-btn:hover,
.filter-btn:hover {
    border-color: var(--gold-accent);
    color: var(--gold-accent);
}

.filter-btn.active {
    background-color: var(--cyan-accent);
    border-color: var(--cyan-accent);
    color: var(--bg-color);
}

/* --- Main Content --- */

main {
    padding: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.games-grid,
.players-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 40px;
}

.tab-content {
    display: none !important;
}

.tab-content.active {
    display: grid !important;
}

/* --- Game Card --- */

.game-card {
    background-color: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    transition: transform 0.3s ease;
}

.game-card:hover {
    transform: translateY(-5px);
}

.game-header {
    background: linear-gradient(135deg, rgba(0, 119, 182, 0.2) 0%, rgba(14, 13, 10, 0) 100%);
    padding: 25px;
    border-bottom: 1px solid rgba(64, 192, 240, 0.2);
}

.game-name {
    font-family: var(--font-data);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--cyan-accent);
    text-transform: uppercase;
    line-height: 1.1;
    margin-bottom: 5px;
}

.game-info {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scores-container {
    padding: 10px 0;
}

.scores-list {
    list-style: none;
}

.score-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 25px;
    border-left: 4px solid transparent;
    transition: all 0.2s;
    cursor: pointer;
}

.score-item:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.score-item.is-mine {
    background-color: rgba(64, 192, 240, 0.05);
    border-left-color: var(--cyan-accent);
}

.player-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.rank-number {
    font-family: var(--font-data);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-secondary);
    width: 30px;
}

.avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-data);
    font-weight: 700;
    font-size: 0.7rem;
    color: white;
    border: 1px solid var(--cyan-accent);
    overflow: hidden;
    flex-shrink: 0;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.score-item.is-mine .avatar,
.player-card.is-mine .avatar {
    border-color: var(--cyan-accent);
    box-shadow: 0 0 5px rgba(64, 192, 240, 0.3);
}

.username {
    font-family: var(--font-data);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--cyan-accent);
}

.score-value {
    font-family: var(--font-data);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* --- Player Card --- */

.player-card {
    background-color: var(--card-bg);
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.2s;
}

.player-card:hover {
    border-color: var(--gold-accent);
}

.player-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.remove-player-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 5px;
    transition: color 0.2s;
    margin-top: -5px;
    /* Visual adjustment for the 'x' character */
}

.remove-player-btn:hover {
    color: var(--danger-color);
}

.player-name {
    font-family: var(--font-data);
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--cyan-accent);
}

.player-rank-list {
    list-style: none;
}

.rank-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.game-label {
    font-family: var(--font-ui);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.rank-value {
    font-family: var(--font-data);
    font-weight: 700;
    color: var(--cyan-accent);
}

/* --- Modals --- */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-color);
    border: 1px solid var(--gold-accent);
    padding: 40px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 0 50px rgba(240, 192, 64, 0.1);
}

.modal-header h2 {
    font-family: var(--font-data);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gold-accent);
}

.close-btn {
    color: var(--text-secondary);
    font-size: 2rem;
    transition: color 0.2s;
}

.close-btn:hover {
    color: var(--gold-accent);
}

.saved-name-item {
    padding: 15px 0;
    font-family: var(--font-data);
    font-size: 1.1rem;
    text-transform: uppercase;
}

.remove-name-btn {
    background-color: transparent;
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
    padding: 4px 12px;
    text-transform: uppercase;
    font-family: var(--font-data);
    font-weight: 700;
    font-size: 0.8rem;
}

.remove-name-btn:hover {
    background-color: var(--danger-color);
    color: white;
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px;
    font-style: italic;
    font-family: var(--font-ui);
}

.loading {
    grid-column: 1 / -1;
    text-align: center;
    font-family: var(--font-data);
    font-size: 2rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--gold-accent);
    padding: 100px;
}

/* --- Mobile Responsiveness --- */

@media (max-width: 768px) {
    header {
        padding: 15px 20px;
    }

    header h1 {
        font-size: 1.8rem;
    }

    .header-actions {
        position: static;
        transform: none;
        margin-top: 15px;
        justify-content: center;
        width: 100%;
    }

    body {
        padding-top: 550px;
        /* Significant space for stacked mobile header */
    }

    main {
        padding: 20px;
    }

    .games-grid,
    .players-grid {
        grid-template-columns: 1fr;
    }

    .game-name {
        font-size: 1.4rem;
    }
}