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

.draggable-team {
    user-select: none;
}
.draggable-team:active {
    transform: scale(1.03) !important;
}
.header {
    background: black;
    color: white;
    padding: 15px 0;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header h1 {
    color: white;
    border-bottom: none;
    padding-bottom: 0;
    margin: 0;
    font-size: 2.2em;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
}
.footer {
    background: black;
    color: white;
    text-align: center;
    padding: 15px 0;
    font-size: 0.9em;
    width: 100%;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 1000;
}

.footer a {
    color: #caf700;
    text-decoration: none;
    font-weight: bold;
}

.footer a:hover {
    color: white;
    text-decoration: underline;
}
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    width: 98%;
    max-width: 1400px;
    margin: 20px auto 80px auto; 
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    min-height: calc(100vh - 150px); 
}

h1,
h2,
h3 {
    color: #004d40;
    border-bottom: 2px solid #004d40;
    padding-bottom: 5px;
    margin-top: 25px;
}

.credit {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid #ccc;
    font-size: 0.8em;
    text-align: center;
    color: #777;
}

.paths-selection,
.group-stage-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    margin-bottom: 20px;
}

.group-box,
.path-box {
    border: 1px solid #ccc;
    padding: 15px;
    margin: 10px 0;
    border-radius: 8px;
    flex: 1 1 calc(30% - 20px);
    min-width: 300px;
    background-color: #e8f5e9;
}

.path-box {
    background-color: #f0f4f7;
    flex: 1 1 calc(32% - 20px);
    min-width: 250px;
}

.match {
    display: flex;
    align-items: center;
    margin-bottom: 5px;
    font-size: 0.85em;
}

.team-name {
    width: 40%;
    text-align: right;
    padding-right: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.score-input {
    width: 25px;
    margin: 0 5px;
    text-align: center;
    border: 1px solid #ccc;
    border-radius: 3px;
}

.team-display {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    width: 40%;
}

.team-display.left {
    justify-content: flex-start;
}

.flag {
    width: 20px;
    height: 15px;
    margin-right: 5px;
    margin-left: 5px;
    border: 1px solid #ddd;
    vertical-align: middle;
}

.standings-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 0.75em;
}

.standings-table th,
.standings-table td {
    border: 1px solid #ddd;
    padding: 4px;
    text-align: center;
}

.standings-table th {
    background-color: #004d40;
    color: white;
}

.standings-table tr:nth-child(1) td {
    background-color: #a5d6a7;
    font-weight: bold;
}

.standings-table tr:nth-child(2) td {
    background-color: #c8e6c9;
    font-weight: bold;
}

.standings-table tr:nth-child(3) td {
    background-color: #ffcc80;
}

.knockout-phase-container {
    padding: 20px 0;
}

.round-section {
    margin-bottom: 40px;
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 8px;
    background-color: #f9f9f9;
    text-align: center;
}

.round-matches {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

.match-node {
    width: 280px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: white;
    flex-shrink: 0;
}

.team-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 8px;
    cursor: pointer;
    font-size: 0.9em;
    transition: background-color 0.2s;
    border-radius: 3px;
    font-weight: 500;
}

.team-option:hover:not(.tbd) {
    background-color: #e0f2f1;
}

.team-option.winner {
    background-color: #a5d6a7;
    font-weight: bold;
}

.team-option.loser {
    color: #777;
}

.team-option+.team-option {
    border-top: 1px dashed #eee;
}

.team-option.tbd {
    color: #aaa;
    cursor: default;
    font-weight: normal;
}

.final-matches-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 50px;
    margin-top: 30px;
    padding: 20px;
    border: 2px solid #004d40;
    border-radius: 10px;
    text-align: center;
}

.third-place-section {
    margin-bottom: 40px;
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 8px;
    background-color: #f9f9f9;
    text-align: center;
}

.final-section {
    margin-bottom: 40px;
    padding: 15px;
    border: 2px solid #d32f2f;
    border-radius: 8px;
    background-color: #fff3e0;
    text-align: center;
}

.final-match-node,
.third-place-node {
    width: 300px;
    border: 1px solid #004d40;
    padding: 10px;
    border-radius: 8px;
    background-color: #e0f2f1;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin: 0 auto;
}

.champion-container {
    margin-top: 20px;
    padding: 15px;
    border: 3px solid #d32f2f;
    border-radius: 10px;
    background-color: #ffebee;
    text-align: center;
}

.champion-text {
    font-size: 1.8em;
    color: #d32f2f;
    font-weight: bold;
    margin-top: 10px;
}

#fillRandomBtn {
    background-color: #004d40;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

#fillRandomBtn:hover {
    background-color: #00796b;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

#fillRandomBtn:active {
    transform: translateY(0);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

@media (max-width: 768px) {
    #groupStageSection > div:first-child {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    #fillRandomBtn {
        align-self: stretch;
        padding: 12px;
    }
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 1.8em;
        padding: 0 10px;
    }
    
    .footer {
        font-size: 0.8em;
        padding: 10px 5px;
    }
    
    .container {
        padding: 15px;
        margin: 0 auto 15px auto;
        min-height: calc(100vh - 140px); 
    }
}