body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: #f4f7f9;
    color: #333;
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    box-sizing: border-box;
}

.container {
    width: 100%;
    max-width: 900px; /* Further reduced from 1100px to tighten boundaries */
    transition: max-width 0.3s ease;
    flex: 1; /* Push the footer down */
}

/* Room page specific container expansion */
body:has(.details-grid) .container {
    max-width: 1400px;
}

header {
    display: flex;
    justify-content: flex-end; /* Align items to the right by default, H1 will push */
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e0e0e0;
    flex-wrap: wrap;
    gap: 15px;
}

h1 {
    margin: 0;
    font-size: 1.8em;
    color: #2c3e50;
    margin-right: auto; /* Push H1 to the left, others to the right */
}

.connection-status {
    padding: 5px 10px;
    border-radius: 5px;
    font-weight: bold;
}

.connection-status.connected {
    background-color: #d4edda;
    color: #155724;
}

.connection-status.disconnected {
    background-color: #f8d7da;
    color: #721c24;
}

.room-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.room-card {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: box-shadow 0.2s ease-in-out;
}

.room-card:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.room-card h2 {
    margin: 0 0 10px 0;
    font-size: 1.2em;
    color: #3498db;
    word-break: break-all;
}

.room-info {
    font-size: 0.9em;
}

.room-info p {
    margin: 5px 0;
    display: flex;
    justify-content: space-between;
}

.room-info span {
    font-weight: bold;
}

.locked-status {
    color: #e74c3c;
}

.unlocked-status {
    color: #2ecc71;
}

/* Back Button Styling - Professional Button Look */
.back-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    color: #3498db;
    padding: 8px 18px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9em;
    border: 1px solid #3498db;
    transition: all 0.2s;
    height: fit-content;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.back-link:hover {
    background-color: #3498db;
    color: #fff;
    text-decoration: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.details-grid {
    display: grid;
    grid-template-columns: 260px 1fr 480px;
    gap: 20px;
    align-items: start;
}

.left-sidebar, .center-column, .right-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.detail-card {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.detail-card h3 {
    margin-top: 0;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    color: #3498db;
}

.detail-card p {
    display: flex;
    justify-content: space-between;
    margin: 8px 0;
}

/* Results Table */
.results-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 0.9em;
}

.results-table th, .results-table td {
    padding: 10px 8px;
    text-align: center;
    border-bottom: 1px solid #f0f0f0;
}

.results-table th {
    background-color: #f8f9fa;
    color: #34495e;
    font-weight: bold;
}

.results-table tr:last-child td {
    border-bottom: none;
}

.rank-1 { color: #f1c40f; font-weight: bold; }
.rank-2 { color: #95a5a6; font-weight: bold; }
.rank-3 { color: #d35400; font-weight: bold; }

.val-gold { color: #f1c40f; font-weight: bold; text-shadow: 0 0 1px rgba(241, 196, 15, 0.2); }
.val-green { color: #2ecc71; font-weight: bold; }
.val-red { color: #e74c3c; font-weight: bold; }

.score-val { font-family: monospace; font-weight: bold; }

/* Public Screen / Chat Styles */
.message-container {
    height: 300px; /* Fixed height for approx 10 messages */
    overflow-y: auto;
    background-color: #f9f9f9;
    border: 1px solid #eee;
    border-radius: 6px;
    padding: 10px;
    font-size: 0.9em;
    display: flex;
    flex-direction: column;
}

.message-item {
    margin-bottom: 6px;
    padding: 4px 0;
    border-bottom: 1px solid #f0f0f0;
    line-height: 1.4;
}

.message-item:last-child {
    border-bottom: none;
}

/* Scrollable containers for List and Results */
.player-list-scroll {
    height: 300px; /* Approx 9 players */
    overflow-y: auto;
}

.results-scroll {
    height: 370px; /* Approx 8 players + header */
    overflow-y: auto;
}

.msg-user {
    font-weight: bold;
    color: #2980b9;
}

.msg-chat {
    color: #333;
}

.msg-system {
    color: #7f8c8d;
    font-style: italic;
}

.msg-ready {
    color: #27ae60;
    font-weight: bold;
}

.msg-playing {
    color: #e67e22;
    font-weight: bold;
}

.msg-abort {
    color: #e74c3c;
}

.player-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.player-item {
    padding: 6px 10px; /* Reduced vertical padding */
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.player-item.owner .player-name {
    font-weight: bold;
}

.player-status {
    font-style: normal;
    color: #95a5a6;
    font-size: 0.9em;
}

.status-ready {
    color: #27ae60 !important;
    font-weight: bold;
}

.status-not-ready {
    color: #e74c3c !important;
    font-weight: bold;
}

.player-name {
    text-decoration: none;
    color: inherit;
    word-break: break-all;
}

.player-name:hover {
    text-decoration: underline;
}

.name-bot {
    color: #7f8c8d !important; /* Grey for bot */
}

.name-owner {
    color: #f1c40f !important; /* Gold for room owner */
    font-weight: bold;
}

.player-avatar-small {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    margin-right: 10px;
    object-fit: cover;
    border: 1px solid #ddd;
    flex-shrink: 0;
}

.name-prefix {
    font-weight: bold;
    margin-right: 2px;
}

.prefix-owner {
    color: #f1c40f; /* Gold */
}

.prefix-admin {
    color: #3498db; /* Blue */
}

.prefix-player {
    color: #95a5a6; /* Greyish */
}

.prefix-bot {
    color: #7f8c8d; /* Grey */
}

.player-info-left {
    display: flex;
    align-items: center;
}

.player-icon {
    width: 25px;
    text-align: center;
    display: inline-block;
    flex-shrink: 0;
}

/* Chart and Uploader Box Styles */
.chart-details-box, .uploader-box {
    border: 1px solid #eef2f3;
    border-radius: 8px;
    padding: 15px;
    background-color: #fafbfc;
    width: 100%;
    box-sizing: border-box;
}

.chart-details-box h4, .uploader-box h4 {
    margin-top: 0;
    margin-bottom: 10px;
    color: #3498db;
    border-bottom: 1px solid #eee;
    padding-bottom: 5px;
}

.download-button {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #3498db;
    color: white;
    padding: 12px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 5px;
    transition: background-color 0.2s;
    width: 100%;
    box-sizing: border-box;
    gap: 8px;
}

.download-button:hover {
    background-color: #2980b9;
}

.download-button.placeholder {
    background-color: #95a5a6;
}

.download-button.placeholder:hover {
    background-color: #7f8c8d;
}

.uploader-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center; /* Center content vertically */
    min-height: 305px; /* Enforce standard height as requested */
    box-sizing: border-box;
}

.uploader-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
    border: 3px solid #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.uploader-name {
    font-weight: bold;
    font-size: 1.2em;
    margin: 5px 0;
}

.uploader-rks {
    color: #2980b9;
    font-weight: bold;
    font-size: 1em;
    margin: 5px 0;
}

.uploader-bio {
    font-size: 0.85em;
    color: #7f8c8d;
    font-style: italic;
    margin: 15px 0 0 0;
    line-height: 1.5;
    word-break: break-word;
    border-top: 1px dashed #eee;
    padding-top: 15px;
    width: 100%;
    text-align: left;
    max-height: 100px;
    overflow-y: auto; /* Handle long bios without breaking card height */
}

.uploader-id {
    color: #bdc3c7;
    font-size: 0.8em;
    margin-top: 10px;
}

/* Other Rooms Styles */
.other-rooms-list {
    display: flex;
    flex-direction: column;
}

.other-rooms-scroll {
    height: 225px; /* Fixed height for 5 items (approx 45px each) */
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.other-room-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 10px;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
    color: #333;
    transition: all 0.2s;
    font-size: 0.95em;
    height: 45px;
    box-sizing: border-box;
}



.other-room-id {
    font-family: monospace;
    color: #7f8c8d;
    width: 50px;
}

.other-room-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0 10px;
    font-weight: bold;
}

.other-room-count {
    font-size: 0.85em;
    color: #95a5a6;
    width: 40px;
    text-align: right;
}

.refresh-rooms-btn {
    display: block;
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    background-color: #ecf0f1;
    border: none;
    border-radius: 6px;
    color: #34495e;
    cursor: pointer;
    font-size: 0.9em;
    font-weight: bold;
    transition: background-color 0.2s;
}

.refresh-rooms-btn:hover {
    background-color: #bdc3c7;
}

/* Admin Panel Styles */
.admin-panel-card {
    border: 2px dashed #e74c3c;
    padding: 15px !important;
}

.admin-category {
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f0f0f0;
}

.admin-category:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.admin-category-title {
    font-size: 0.8em;
    text-transform: uppercase;
    color: #95a5a6;
    letter-spacing: 1px;
    margin-bottom: 8px;
    font-weight: bold;
}

.admin-buttons-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.admin-btn {
    padding: 8px 5px;
    background-color: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 6px;
    color: #333;
    font-size: 0.85em;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-btn:hover {
    background-color: #e9ecef;
    border-color: #adb5bd;
}

.admin-btn.action-primary {
    background-color: #3498db;
    color: white;
    border-color: #2980b9;
}

.admin-btn.action-primary:hover {
    background-color: #2980b9;
}

.admin-btn.action-danger {
    background-color: #e74c3c;
    color: white;
    border-color: #c0392b;
}

.admin-btn.action-danger:hover {
    background-color: #c0392b;
}

.admin-btn.action-warning {
    background-color: #f39c12;
    color: white;
    border-color: #d35400;
}

.admin-btn.action-warning:hover {
    background-color: #d35400;
}

.chart-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.chart-illustration img {
    max-height: 220px;
    width: 100%;
    object-fit: cover;
    border-radius: 8px;
}

#total-players {
    padding: 5px 10px;
    background-color: #ecf0f1;
    color: #34495e;
    border-radius: 5px;
    font-size: 0.9em;
}

#total-players a {
    color: inherit;
    text-decoration: none;
}

#total-players a:visited, #total-players a:hover, #total-players a:active {
    color: inherit;
    text-decoration: none;
}

.logout-icon {
    margin-left: 10px;
    font-weight: bold;
    font-size: 1.1em;
}

.logout-icon:hover {
    color: #e74c3c;
}

/* Footer Styles */
footer {
    margin-top: 100px;
    padding: 20px 0;
    text-align: center;
    border-top: 1px solid #e0e0e0;
    color: #7f8c8d;
    font-size: 0.9em;
}

.server-ip-container {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: #ecf0f1;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: background-color 0.2s;
    user-select: all;
}

.server-ip-container:hover {
    background-color: #dcdde1;
}

.copy-icon {
    font-size: 1.1em;
}

/* Rating Stars */
.star-filled { color: #f1c40f; }
.star-empty { color: #bdc3c7; }
.star-half {
    position: relative;
    display: inline-block;
    color: #bdc3c7;
}
.star-half::after {
    content: "\2605";
    position: absolute;
    left: 0;
    top: 0;
    width: 50%;
    overflow: hidden;
    color: #f1c40f;
}

/* Remove full-width class constraints or repurpose them */
.detail-card.full-width {
    grid-column: auto; 
}

/* Mobile Responsive Styles */
@media (max-width: 1100px) {
    .details-grid {
        grid-template-columns: 1fr 1fr;
    }
    .details-grid > div:last-child { /* Chart card */
        grid-column: 1 / -1;
    }
}

@media (max-width: 800px) {
    body {
        padding: 10px;
    }

    .container {
        width: 100%;
        max-width: 100% !important;
        padding: 0;
    }

    body:has(.details-grid) .container {
        max-width: 100%;
    }

    header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 12px;
        padding: 0 5px;
    }

    header h1 {
        font-size: 1.4em;
        width: 100%;
        text-align: center;
        margin-right: 0;
    }

    .room-list {
        grid-template-columns: 1fr;
        width: 100%;
        gap: 15px;
    }

    .details-grid {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 15px;
    }

    .admin-buttons-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .detail-card {
        width: 100%;
        box-sizing: border-box;
        border-radius: 8px;
        padding: 15px;
    }
    
    .center-column, .left-sidebar {
        width: 100%;
        box-sizing: border-box;
    }
    
    /* Reorder for Mobile: Player List (1), Chart (2), Uploader (3), Room Info (4) */
    .center-column {
        order: 1;
    }
    
    .details-grid > div:nth-child(3) {
        order: 2;
    }
    
    .left-sidebar {
        display: flex;
        flex-direction: column;
        order: 3;
        gap: 15px;
    }
    
    .left-sidebar .detail-card:first-child {
        order: 2; /* Room Info */
    }
    .left-sidebar .detail-card:last-child {
        order: 1; /* Chart Uploader */
    }

    .back-link {
        display: flex;
        width: 100%;
        text-align: center;
        background: #fff;
        padding: 12px;
        border-radius: 8px;
        box-sizing: border-box;
        margin-bottom: 15px;
        order: -1; /* In case it's in a flex container like header */
    }

    .player-item {
        padding: 10px 5px;
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .player-info-left {
        width: 100%;
    }
    
    .player-status {
        align-self: flex-end;
        font-size: 0.8em;
    }

    .results-table {
        font-size: 0.8em;
    }

    .results-table th, .results-table td {
        padding: 6px 4px;
    }

    .chart-illustration img {
        max-height: 180px;
    }

    #total-players {
        width: 100%;
        text-align: center;
        padding: 8px;
    }

    .connection-status {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .results-table th:nth-child(5), 
    .results-table td:nth-child(5) {
        display: none;
    }
    
    .results-table th:nth-child(6), 
    .results-table td:nth-child(6) {
        display: none;
    }
}