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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: #f0f0f0;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(0, 9, 19, 0.9);
    border: 2px solid #c89b3c;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid #c89b3c;
}

header h1 {
    font-size: 2.5rem;
    color: #f0e6d2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    margin-bottom: 10px;
}

header p {
    font-size: 1.1rem;
    color: #c9aa71;
}

.input-section {
    background: rgba(30, 60, 114, 0.3);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 30px;
    border: 1px solid #463714;
}

.input-section h2 {
    color: #f0e6d2;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.player-input {
    margin-bottom: 20px;
}

.player-input label {
    display: block;
    margin-bottom: 8px;
    color: #c9aa71;
    font-weight: bold;
}

select, input[type="text"] {
    width: 100%;
    max-width: 300px;
    padding: 12px;
    border: 2px solid #463714;
    border-radius: 5px;
    background: #0f2027;
    color: #c9aa71;
    font-size: 1rem;
}

select:focus, input[type="text"]:focus {
    outline: none;
    border-color: #c89b3c;
    box-shadow: 0 0 10px rgba(200, 155, 60, 0.3);
}

.player-names {
    margin-top: 20px;
}

.player-names h3 {
    color: #f0e6d2;
    margin-bottom: 15px;
}

.name-input {
    margin-bottom: 10px;
}

.name-input label {
    display: inline-block;
    width: 80px;
    margin-right: 10px;
    color: #c9aa71;
}

.btn-primary, .btn-secondary {
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 10px;
}

.btn-primary {
    background: linear-gradient(45deg, #c89b3c, #f0e6d2);
    color: #0f2027;
}

.btn-primary:hover {
    background: linear-gradient(45deg, #f0e6d2, #c89b3c);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(200, 155, 60, 0.4);
}

.btn-secondary {
    background: #463714;
    color: #c9aa71;
    border: 2px solid #c89b3c;
}

.btn-secondary:hover {
    background: #c89b3c;
    color: #0f2027;
}

.hidden {
    display: none;
}

.results-section {
    background: rgba(30, 60, 114, 0.2);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid #463714;
}

.results-section h2 {
    color: #f0e6d2;
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.8rem;
}

.teams-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.team {
    background: rgba(15, 32, 39, 0.8);
    padding: 20px;
    border-radius: 10px;
    border: 2px solid;
}

.team-blue {
    border-color: #0596aa;
}

.team-red {
    border-color: #c8aa6e;
}

.team h3 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: #f0e6d2;
}

.player {
    background: rgba(70, 55, 20, 0.5);
    padding: 10px;
    margin: 8px 0;
    border-radius: 5px;
    border-left: 4px solid #c89b3c;
}

.player-name {
    font-weight: bold;
    color: #f0e6d2;
}

.player-role {
    color: #c9aa71;
    font-size: 0.9rem;
    margin-top: 2px;
}

.champions-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 8px;
    margin-top: 10px;
}

.champion {
    background: rgba(70, 55, 20, 0.7);
    padding: 8px;
    border-radius: 5px;
    text-align: center;
    font-size: 0.8rem;
    color: #c9aa71;
    border: 1px solid #463714;
    transition: all 0.2s ease;
}

.champion:hover {
    background: rgba(200, 155, 60, 0.3);
    color: #f0e6d2;
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .container {
        padding: 20px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .teams-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .champions-list {
        grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    }
    
    select, input[type="text"] {
        max-width: 100%;
    }
}

/* Styling cho champions theo role */
.role-section {
    margin-bottom: 20px;
    background: rgba(70, 55, 20, 0.3);
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #c89b3c;
}

.role-title {
    color: #f0e6d2;
    font-size: 1rem;
    margin-bottom: 10px;
    font-weight: bold;
    text-align: center;
}

.role-champions {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 6px;
}

.role-champions .champion {
    background: rgba(70, 55, 20, 0.7);
    padding: 6px;
    border-radius: 4px;
    text-align: center;
    font-size: 0.75rem;
    color: #c9aa71;
    border: 1px solid #463714;
    transition: all 0.2s ease;
}

.role-champions .champion:hover {
    background: rgba(200, 155, 60, 0.3);
    color: #f0e6d2;
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .role-champions {
        grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    }
    
    .role-champions .champion {
        font-size: 0.7rem;
        padding: 4px;
    }
}