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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    color: #2c3e50;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

header h1 img {
    height: 1em;
    width: auto;
}

header p {
    color: #7f8c8d;
    font-size: 1.1em;
    margin-bottom: 15px;
}

.usage-hint {
    background-color: #e8f4fd;
    border: 1px solid #bee5eb;
    border-radius: 4px;
    padding: 10px;
    font-size: 0.9em;
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
}

.usage-hint code {
    background-color: #f8f9fa;
    padding: 2px 4px;
    border-radius: 2px;
    font-family: 'Courier New', monospace;
    font-size: 0.85em;
}

main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.peer-info,
.settings,
.manual-connection,
.messages {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Base styles for all collapsible sections */
.discovered-peers,
.connected-peers,
.manual-connection,
.settings,
.media,
.dht,
.crypto,
.storage {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

/* Individual section color schemes */
.discovered-peers {
    border-left: 4px solid #3498db;
}

.discovered-peers .section-header h2 {
    color: #3498db;
    border-bottom: 2px solid #3498db;
    padding-bottom: 8px;
    margin-bottom: 20px;
    font-size: 1.1em;
    font-weight: 600;
}

.discovered-peers .toggle-btn {
    color: #3498db;
}

.discovered-peers .toggle-btn:hover {
    color: #2980b9;
}

.connected-peers {
    border-left: 4px solid #2ecc71;
}

.connected-peers .section-header h2 {
    color: #2ecc71;
    border-bottom: 2px solid #2ecc71;
    padding-bottom: 8px;
    margin-bottom: 20px;
    font-size: 1.1em;
    font-weight: 600;
}

.connected-peers .toggle-btn {
    color: #2ecc71;
}

.connected-peers .toggle-btn:hover {
    color: #27ae60;
}

/* General h2 styling - overridden by specific section styles */
h2 {
    margin-bottom: 15px;
}

.info-group,
.input-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #555;
}

input[type="text"],
input[type="url"],
input[type="number"],
textarea {
    width: 100%;
    padding: 10px;
    border: 2px solid #ecf0f1;
    border-radius: 4px;
    font-size: 14px;
    color: #333;
    transition: border-color 0.3s;
    font-family: inherit;
}

input[type="text"]:focus,
input[type="url"]:focus,
input[type="number"]:focus,
textarea:focus {
    outline: none;
    border-color: #3498db;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn.primary {
    background-color: #3498db;
    color: white;
}

.btn.primary:hover:not(:disabled) {
    background-color: #2980b9;
}

.btn.secondary {
    background-color: #95a5a6;
    color: white;
}

.btn.secondary:hover:not(:disabled) {
    background-color: #7f8c8d;
}

.btn.tertiary {
    background-color: #f39c12;
    color: white;
}

.btn.tertiary:hover:not(:disabled) {
    background-color: #e67e22;
}

.btn.quaternary {
    background-color: #9b59b6;
    color: white;
}

.btn.quaternary:hover:not(:disabled) {
    background-color: #8e44ad;
}

.btn.warning {
    background-color: #f39c12;
    color: white;
}

.btn.warning:hover:not(:disabled) {
    background-color: #e67e22;
}

.button-group {
    display: flex;
    gap: 10px;
}

.system-messages-container {
    margin-top: 15px;
}

.system-messages {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid #ecf0f1;
    border-radius: 4px;
    padding: 10px;
    background-color: #f8f9fa;
    min-height: 60px;
}

.system-message {
    margin-bottom: 8px;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 13px;
    line-height: 1.4;
    border-left: 3px solid #6c757d;
}

.system-message:last-child {
    margin-bottom: 0;
}

.system-message.info {
    background-color: #d1ecf1;
    border-left-color: #17a2b8;
    color: #0c5460;
}

.system-message.error {
    background-color: #f8d7da;
    border-left-color: #dc3545;
    color: #721c24;
}

.system-message.warning {
    background-color: #fff3cd;
    border-left-color: #ffc107;
    color: #856404;
}

.system-message.success {
    background-color: #d4edda;
    border-left-color: #28a745;
    color: #155724;
}

.system-message-header {
    font-size: 11px;
    color: #6c757d;
    margin-bottom: 2px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.system-message-time {
    font-size: 11px;
    color: #6c757d;
    font-weight: 600;
}

.system-message-type {
    font-size: 10px;
    font-weight: bold;
    padding: 2px 6px;
    border-radius: 3px;
    background: #6c757d;
    color: white;
}

.system-message.info .system-message-type {
    background: #17a2b8;
}

.system-message.error .system-message-type {
    background: #dc3545;
}

.system-message.warning .system-message-type {
    background: #ffc107;
    color: #856404;
}

.system-message.success .system-message-type {
    background: #28a745;
}

.system-message-content {
    font-weight: 500;
}

.system-time {
    font-size: 11px;
    color: #6c757d;
    margin-right: 8px;
    font-weight: 600;
}

.system-content {
    font-weight: 500;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.input-group.horizontal {
    flex-direction: row;
    align-items: end;
    gap: 10px;
}

.input-group.horizontal input {
    flex: 1;
}

.input-help {
    font-size: 0.8em;
    color: #6c757d;
    margin-top: 4px;
    font-style: italic;
}

#peer-id {
    background-color: #ecf0f1;
    padding: 8px 12px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    word-break: break-all;
    display: block;
}

.status {
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 500;
}

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

.status.connecting {
    background-color: #fff3cd;
    color: #856404;
}

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

/* Connection Health Styles */
.connection-stats {
    font-size: 0.9em;
    line-height: 1.4;
}

.connection-health {
    padding: 8px 12px;
    border-radius: 4px;
    margin: 4px 0;
    font-weight: 500;
}

.connection-health.healthy {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.connection-health.unhealthy {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f1b0b7;
}

.connection-health.unknown {
    background-color: #e2e3e5;
    color: #383d41;
    border: 1px solid #d1d3d4;
}

.peer-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.peer-time {
    font-size: 10px;
    color: #6c757d;
    margin-top: 2px;
    font-family: 'Courier New', monospace;
}

.peer-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-small {
    padding: 4px 8px;
    font-size: 12px;
    border: none;
    border-radius: 3px;
    background-color: #007bff;
    color: white;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-small:hover {
    background-color: #0056b3;
}

.btn-remove {
    background-color: #dc3545 !important;
    padding: 2px 6px !important;
    font-weight: bold;
    font-size: 14px !important;
}

.btn-remove:hover {
    background-color: #c82333 !important;
}

.manual-connection {
    border-left: 4px solid #e74c3c;
}

.manual-connection .section-header h2 {
    color: #e74c3c;
    border-bottom: 2px solid #e74c3c;
    padding-bottom: 8px;
    margin-bottom: 20px;
    font-size: 1.1em;
    font-weight: 600;
}

.manual-connection .toggle-btn {
    color: #e74c3c;
}

.manual-connection .toggle-btn:hover {
    color: #c0392b;
}

.settings {
    border-left: 4px solid #95a5a6;
}

.settings .section-header h2 {
    color: #95a5a6;
    border-bottom: 2px solid #95a5a6;
    padding-bottom: 8px;
    margin-bottom: 20px;
    font-size: 1.1em;
    font-weight: 600;
}

.settings .toggle-btn {
    color: #95a5a6;
}

.settings .toggle-btn:hover {
    color: #7f8c8d;
}

/* Make collapsed sections compact line items */
.discovered-peers[aria-expanded="false"],
.settings[aria-expanded="false"],
.manual-connection[aria-expanded="false"],
.connected-peers[aria-expanded="false"],
.dht[aria-expanded="false"],
.crypto[aria-expanded="false"],
.storage[aria-expanded="false"],
.media[aria-expanded="false"] {
    background: none !important;
    border: none !important;
    box-shadow: none !important;
    padding: 4px 0 !important;
    margin: 4px 0 !important;
    min-height: auto !important;
    border-radius: 0 !important;
}

.discovered-peers[aria-expanded="false"] .section-header,
.settings[aria-expanded="false"] .section-header,
.manual-connection[aria-expanded="false"] .section-header,
.connected-peers[aria-expanded="false"] .section-header,
.dht[aria-expanded="false"] .section-header,
.crypto[aria-expanded="false"] .section-header,
.storage[aria-expanded="false"] .section-header,
.media[aria-expanded="false"] .section-header {
    margin: 0;
    padding: 0;
}

/* Collapsed sections preserve their colors but are more compact */
.discovered-peers[aria-expanded="false"] .toggle-btn, 
.settings[aria-expanded="false"] .toggle-btn,
.manual-connection[aria-expanded="false"] .toggle-btn,
.connected-peers[aria-expanded="false"] .toggle-btn,
.media[aria-expanded="false"] .toggle-btn,
.dht[aria-expanded="false"] .toggle-btn,
.crypto[aria-expanded="false"] .toggle-btn,
.storage[aria-expanded="false"] .toggle-btn {
    font-size: 0.9em !important;
    padding: 2px 8px !important;
}

/* Toggle functionality styles */
.section-header {
    position: relative;
    margin: 10px 0 5px 0;
}

.toggle-btn {
    background: none;
    border: none;
    font-size: 0.9em;
    font-weight: 600;
    color: #2c3e50;
    cursor: pointer;
    padding: 4px 8px;
    text-align: left;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 4px;
    border-radius: 4px;
    line-height: 1.2;
}

.toggle-btn:hover {
    color: #3498db;
    background-color: #f8f9fa;
}

.toggle-btn:focus {
    outline: 2px solid #3498db;
    outline-offset: 2px;
    border-radius: 4px;
}

.count-badge {
    background-color: #3498db;
    color: white;
    font-size: 0.7em;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 16px;
    text-align: center;
    line-height: 1;
}

.collapsible-content {
    display: block;
    max-height: 1000px;
    opacity: 1;
    transform: translateY(0);
    overflow: visible;
    transition: all 0.3s ease;
}

.collapsible-content[style*="display: none"] {
    display: none !important;
}

.collapsible-content.collapsed {
    max-height: 0;
    opacity: 0;
    transform: translateY(-10px);
    display: none;
    overflow: hidden;
}

.messages-log {
    max-height: 300px;
    overflow-y: auto;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px solid #ecf0f1;
    margin-top: 10px;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.message-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: #fff;
    border-radius: 16px 16px 16px 4px;
    box-shadow: 0 1px 3px rgba(44,62,80,0.06);
    padding: 10px 14px;
    font-size: 14px;
    position: relative;
    min-width: 0;
    word-break: break-word;
    border-left: 4px solid #3498db;
    animation: fadeIn 0.3s;
}

.message-item.own {
    background: #eaf6ff;
    border-left-color: #2980b9;
    align-self: flex-end;
    border-radius: 16px 16px 4px 16px;
}

.message-item .avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #3498db;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1em;
    flex-shrink: 0;
    margin-right: 4px;
}

.message-header {
    font-size: 11px;
    color: #6c757d;
    margin-bottom: 2px;
    font-weight: 600;
}

.message-content {
    font-weight: 500;
    color: #2c3e50;
}

.message-body {
    flex: 1;
    min-width: 0;
}

/* Message type styles */
.message-item.error {
    background: #fef2f2;
    border-left-color: #ef4444;
}

.message-item.error .avatar {
    background: #ef4444;
}

.message-item.warning {
    background: #fffbeb;
    border-left-color: #f59e0b;
}

.message-item.warning .avatar {
    background: #f59e0b;
}

.message-item.dm {
    background: #f3e8ff;
    border-left-color: #8b5cf6;
}

.message-item.dm .avatar {
    background: #8b5cf6;
}

.message-item.info {
    background: #eff6ff;
    border-left-color: #3b82f6;
}

.message-item.info .avatar {
    background: #3b82f6;
}

/* Connected Peers & Discovered Peers Modern UI */
.connected-peers, .discovered-peers {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(44,62,80,0.07);
    padding: 18px 18px 10px 18px;
    margin-bottom: 20px;
}

.peers-list, .discovered-peers-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 10px;
}

.peer-item, .discovered-peer-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #f8fafd;
    border-radius: 8px;
    padding: 12px 16px;
    box-shadow: 0 1px 2px rgba(44,62,80,0.04);
    transition: box-shadow 0.2s, background 0.2s;
    border: 1px solid #ecf0f1;
    position: relative;
}
.peer-item:hover, .discovered-peer-item:hover {
    background: #eaf6ff;
    box-shadow: 0 2px 8px rgba(44,62,80,0.10);
}

.peer-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #3498db;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1em;
    flex-shrink: 0;
    box-shadow: 0 1px 2px rgba(44,62,80,0.08);
}

.peer-details {
    flex: 1;
    min-width: 0;
}
.peer-id {
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: #2c3e50;
    font-weight: 600;
    word-break: break-all;
}
.peer-meta {
    font-size: 11px;
    color: #7f8c8d;
    margin-top: 2px;
    display: block;
}

.peer-status {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
    background: #eaf6ff;
    color: #2980b9;
    margin-left: 8px;
    text-transform: capitalize;
}
.status-connected {
    background: #d4edda;
    color: #155724;
}
.status-connecting {
    background: #fff3cd;
    color: #856404;
}
.status-other {
    background: #f8d7da;
    color: #721c24;
}

.peer-actions {
    display: flex;
    gap: 8px;
    margin-left: 10px;
}

.btn-small, .btn-remove {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    background: #f1f1f1;
    color: #333;
    transition: background 0.2s, color 0.2s;
}
.btn-small:hover {
    background: #3498db;
    color: #fff;
}
.btn-remove {
    background: #dc3545;
    color: #fff;
}
.btn-remove:hover {
    background: #b71c1c;
}

.empty-state {
    color: #aaa;
    font-style: italic;
    text-align: center;
    padding: 16px 0;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Media Controls Styles */
.media {
    border-left: 4px solid #f39c12;
}

.media .section-header h2 {
    color: #f39c12;
    border-bottom: 2px solid #f39c12;
    padding-bottom: 8px;
    margin-bottom: 20px;
    font-size: 1.1em;
    font-weight: 600;
}

.media .toggle-btn {
    color: #f39c12;
}

.media .toggle-btn:hover {
    color: #e67e22;
}

.media-controls {
    background: white;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.media-settings {
    margin-bottom: 20px;
}

.video-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.local-video-container, .remote-videos-container {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 15px;
}

.local-video-container h3, .remote-videos-container h3 {
    margin-bottom: 10px;
    color: #2c3e50;
    font-size: 1.1em;
}

#local-video {
    width: 100%;
    max-width: 320px;
    height: auto;
    border-radius: 8px;
    background: #000;
    display: block;
}

.video-status {
    text-align: center;
    margin-top: 8px;
    font-size: 0.9em;
    color: #6c757d;
}

.remote-videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.remote-video-item {
    background: white;
    border-radius: 8px;
    padding: 10px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.remote-video-item h4 {
    margin-bottom: 8px;
    font-size: 0.9em;
    color: #495057;
}

.remote-video-item video {
    width: 100%;
    height: auto;
    border-radius: 4px;
    background: #000;
}

.remote-video-item .video-status {
    margin-top: 5px;
    font-size: 0.8em;
}

/* Responsive adjustments for media */
@media (max-width: 768px) {
    .video-container {
        grid-template-columns: 1fr;
    }
    
    .remote-videos-grid {
        grid-template-columns: 1fr;
    }
    
    #local-video {
        max-width: 100%;
    }
}

/* Media Controls */
.media-controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.checkbox-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.checkbox-group .checkbox-label {
    margin: 0;
}

.video-container {
    background: #f8f9fa;
    border: 2px dashed #dee2e6;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-container video {
    max-width: 100%;
    max-height: 300px;
    border-radius: 8px;
    background: #000;
}

.video-placeholder {
    color: #6c757d;
    font-style: italic;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 10px;
}

.remote-video-item {
    background: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.video-title {
    font-weight: 600;
    margin-bottom: 10px;
    color: #495057;
}

.video-status {
    margin-top: 8px;
    font-size: 0.85em;
    font-weight: 500;
}

.local-video h4,
.remote-videos h4 {
    margin-bottom: 10px;
    color: #495057;
    font-size: 1.1em;
}

/* Media button styles */
.media .button-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 15px;
}

.media .button-group .btn {
    flex: 1;
    min-width: 120px;
}

/* Device selection styles */
.media select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    background: white;
}

/* DHT Styles */
.dht {
    border-left: 4px solid #9b59b6;
}

.dht .section-header h2 {
    color: #9b59b6;
    border-bottom: 2px solid #9b59b6;
    padding-bottom: 8px;
    margin-bottom: 20px;
    font-size: 1.1em;
    font-weight: 600;
}

.dht .toggle-btn {
    color: #9b59b6;
}

.dht .toggle-btn:hover {
    color: #8e44ad;
}

.dht-actions {
    margin-bottom: 20px;
    padding: 15px;
    border: 1px solid #eee;
    border-radius: 6px;
    background: #fafafa;
}

.dht-actions h3 {
    margin-bottom: 15px;
    color: #2c3e50;
    font-size: 1.1em;
}

.dht-actions .button-group {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.dht-actions .input-group.horizontal {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.dht-actions .input-group.horizontal input {
    flex: 1;
    margin-bottom: 0;
}

.dht-actions .input-group.horizontal button {
    white-space: nowrap;
}

.dht-actions .input-group.horizontal .button-group {
    display: flex;
    gap: 8px;
    margin: 0;
}

.dht-log {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    padding: 12px;
    max-height: 300px !important;
    min-height: 100px;
    height: 300px;
    overflow-y: auto !important;
    overflow-x: hidden;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 12px;
    line-height: 1.5;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
    position: relative;
    scrollbar-width: thin;
    scrollbar-color: #6c757d #f8f9fa;
}

/* Webkit scrollbar styling for better visibility */
.dht-log::-webkit-scrollbar {
    width: 8px;
}

.dht-log::-webkit-scrollbar-track {
    background: #f8f9fa;
    border-radius: 4px;
}

.dht-log::-webkit-scrollbar-thumb {
    background: #6c757d;
    border-radius: 4px;
}

.dht-log::-webkit-scrollbar-thumb:hover {
    background: #495057;
}

.dht-log-entry {
    margin-bottom: 6px;
    padding: 4px 0;
    border-bottom: 1px solid #e9ecef;
    word-wrap: break-word;
}

.dht-log-entry:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.dht-log-time {
    color: #6c757d;
    font-weight: bold;
    margin-right: 8px;
    font-size: 11px;
}

.dht-log-message {
    color: #2c3e50;
}

.dht-time {
    color: #6c757d;
    font-weight: bold;
    margin-right: 8px;
    font-size: 11px;
}

.dht-subscriptions {
    margin-top: 15px;
}

.dht-subscriptions h4 {
    margin-bottom: 10px;
    color: #2c3e50;
    font-size: 1em;
    font-weight: 600;
}

.subscriptions-list {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    padding: 10px;
    min-height: 60px;
}

.subscription-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    margin-bottom: 8px;
    transition: background-color 0.2s ease;
}

.subscription-item:hover {
    background: #e9ecef;
}

.subscription-item:last-child {
    margin-bottom: 0;
}

.subscription-key {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 12px;
    color: #495057;
    flex: 1;
    margin-right: 10px;
    word-break: break-all;
    background: #ffffff;
    padding: 4px 8px;
    border-radius: 3px;
    border: 1px solid #dee2e6;
}

.subscription-item .btn.small {
    padding: 4px 8px;
    font-size: 11px;
    min-width: auto;
}

.dht-results {
    margin-top: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px solid #e9ecef;
}

.dht-results h3 {
    margin-bottom: 12px;
    color: #2c3e50;
    font-size: 1.1em;
    font-weight: 600;
    border-bottom: 1px solid #dee2e6;
    padding-bottom: 8px;
}

/* DHT Button Colors */
.btn.primary {
    background: #007bff;
    color: white;
}

.btn.primary:hover:not(:disabled) {
    background: #0056b3;
}

.btn.secondary {
    background: #6c757d;
    color: white;
}

.btn.secondary:hover:not(:disabled) {
    background: #545b62;
}

.btn.tertiary {
    background: #28a745;
    color: white;
}

.btn.tertiary:hover:not(:disabled) {
    background: #1e7e34;
}

.btn.quaternary {
    background: #dc3545;
    color: white;
}

.btn.quaternary:hover:not(:disabled) {
    background: #bd2130;
}

/* DHT TTL Group Animation */
#dht-ttl-group {
    transition: opacity 0.3s ease, height 0.3s ease;
}

#dht-ttl-group[style*="display: none"] {
    opacity: 0;
}

#dht-ttl-group[style*="display: block"] {
    opacity: 1;
}

/* DHT Button Group Enhancements */
.dht .button-group {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.dht .button-group .btn {
    flex: 1;
    min-width: 120px;
}

/* Ensure small buttons in lists have proper styling */
.btn.small {
    background: #6c757d;
    color: white;
    border: none;
    transition: background 0.2s ease;
}

.btn.small:hover:not(:disabled) {
    background: #545b62;
}

/* WebDHT Status Indicator */
.auto-discovery-control[title*="disabled"] {
    opacity: 0.6 !important;
}

.auto-discovery-control[title*="disabled"] label {
    color: #6c757d;
}

.auto-discovery-control[title*="disabled"] .input-help {
    color: #dc3545;
    font-style: italic;
}

/* Crypto Section Styles */
.crypto {
    border-left: 4px solid #e67e22;
}

.crypto .section-header h2 {
    color: #e67e22;
    border-bottom: 2px solid #e67e22;
    padding-bottom: 8px;
    margin-bottom: 20px;
    font-size: 1.1em;
    font-weight: 600;
}

.crypto .toggle-btn {
    color: #e67e22;
}

.crypto .toggle-btn:hover {
    color: #d35400;
}

.crypto-status .info-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding: 8px 12px;
    background: #f8f9fa;
    border-radius: 4px;
}

.crypto-status .info-group label {
    font-weight: 600;
    margin: 0;
}

.crypto-status .status {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.9em;
    font-weight: 600;
}

.crypto-status .status.enabled {
    background: #d4edda;
    color: #155724;
}

.crypto-status .status.disabled {
    background: #f8d7da;
    color: #721c24;
}

#crypto-public-key {
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.85em;
    background: #e9ecef;
    padding: 4px 6px;
    border-radius: 3px;
}

.crypto-keys,
.crypto-messaging,
.crypto-groups,
.crypto-stats,
.crypto-test-results,
.crypto-advanced {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #e9ecef;
}

.crypto-user-auth {
    margin-top: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px solid #e9ecef;
}

.crypto-user-auth h4 {
    margin-bottom: 15px;
    color: #495057;
}

.crypto-test-messaging,
.crypto-group-messaging {
    margin-top: 15px;
    padding: 15px;
    background: #fff3cd;
    border-radius: 6px;
    border: 1px solid #ffeaa7;
}

.crypto-groups-list {
    margin-top: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 6px;
    max-height: 200px;
    overflow-y: auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: #e3f2fd;
    border-radius: 6px;
    border-left: 4px solid #2196f3;
}

.stat-item label {
    font-weight: 600;
    margin: 0;
    color: #1565c0;
}

.stat-item span {
    font-weight: 700;
    color: #0d47a1;
}

.test-log {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 15px;
    max-height: 300px;
    overflow-y: auto;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9em;
}

.test-log .test-result {
    margin-bottom: 10px;
    padding: 8px;
    border-radius: 4px;
}

.test-log .test-result.success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.test-log .test-result.error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.test-log .test-result.info {
    background: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

.test-log .test-result.warning {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
}

.crypto-import-form {
    margin-top: 15px;
    padding: 20px;
    background: #fff3cd;
    border-radius: 6px;
    border: 1px solid #ffeaa7;
}

.crypto-import-form .input-group {
    margin-bottom: 15px;
}

.crypto-import-form textarea {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9em;
}

/* Encrypted message indicator */
.message.encrypted {
    position: relative;
    padding-left: 40px;
}

.message.encrypted::before {
    content: "🔐";
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2em;
}

.encryption-indicator {
    color: #28a745;
    font-size: 1.1em;
    margin-right: 5px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    #crypto-public-key {
        max-width: 200px;
    }
}

/* Distributed Storage Styles */
.storage {
    border-left: 4px solid #17a2b8;
}

.storage .section-header h2 {
    color: #17a2b8;
    border-bottom: 2px solid #17a2b8;
    padding-bottom: 8px;
    margin-bottom: 20px;
    font-size: 1.1em;
    font-weight: 600;
}

.storage .toggle-btn {
    color: #17a2b8;
}

.storage .toggle-btn:hover {
    color: #138496;
}

.storage-status {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.storage-controls {
    margin-bottom: 20px;
}

.storage-operations {
    margin-bottom: 20px;
}

.storage-options {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 6px;
    margin: 15px 0;
}

.storage-options h4 {
    margin-bottom: 15px;
    color: #495057;
}

.storage-retrieve {
    margin-bottom: 20px;
}

.storage-access {
    margin-bottom: 20px;
    background: #fff3cd;
    padding: 15px;
    border-radius: 6px;
    border-left: 4px solid #ffc107;
}

.storage-access h3 {
    color: #856404;
    margin-bottom: 15px;
}

.storage-bulk {
    margin-bottom: 20px;
    background: #f8d7da;
    padding: 15px;
    border-radius: 6px;
    border-left: 4px solid #dc3545;
}

.storage-bulk h3 {
    color: #721c24;
    margin-bottom: 15px;
}

.storage-search {
    margin-bottom: 20px;
}

.storage-backup {
    margin-bottom: 20px;
    background: #d1ecf1;
    padding: 15px;
    border-radius: 6px;
    border-left: 4px solid #0dcaf0;
}

.storage-backup h3 {
    color: #055160;
    margin-bottom: 15px;
}

.storage-results {
    margin-top: 20px;
}

.storage-log {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    padding: 15px;
    height: 200px;
    overflow-y: auto;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.9em;
    line-height: 1.4;
}

.storage-log .log-entry {
    margin-bottom: 5px;
    padding: 2px 0;
    word-wrap: break-word;
}

.storage-log:empty::before {
    content: "No storage operations yet...";
    color: #6c757d;
    font-style: italic;
}