* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --accent-color: #4a89dc;
    --text-color: #333;
    --bg-color: #f5f7fa;
    --card-bg: white;
    --card-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --input-border: #ddd;
    --btn-text: white;
    --secondary-bg: #f0f2f5;
    --header-bg: white;
}

.dark-theme {
    --text-color: #e0e0e0;
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --card-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    --input-border: #444;
    --btn-text: white;
    --secondary-bg: #262626;
    --header-bg: #1e1e1e;
}

body {
    background-color: var(--bg-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: var(--text-color);
}

.container {
    width: 100%;
    max-width: 1200px;
}

.card {
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    padding: 30px;
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

h1, h2, h3, h4 {
    color: var(--accent-color);
    margin-bottom: 20px;
}

.logo {
    margin: 20px auto;
    width: 80px;
    height: 80px;
}

p {
    color: var(--text-color);
    margin-bottom: 20px;
}

.room-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 30px;
}

input {
    padding: 12px 15px;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s;
    background-color: var(--card-bg);
    color: var(--text-color);
}

input:focus {
    border-color: var(--accent-color);
}

button {
    background-color: var(--accent-color);
    color: var(--btn-text);
    border: none;
    border-radius: 6px;
    padding: 12px 15px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    filter: brightness(1.1);
}

#createRoomBtn {
    background-color: var(--accent-color);
}

.hidden {
    display: none !important;
}

/* Room styles */
#room {
    width: 100%;
}

.room-header {
    background-color: var(--header-bg);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    padding: 20px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.room-header h2 {
    color: var(--accent-color);
    margin-right: 20px;
}

.room-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-grow: 1;
}

#roomCode {
    font-weight: bold;
    background-color: var(--secondary-bg);
    padding: 5px 10px;
    border-radius: 4px;
}

#copyRoomCode {
    padding: 5px 10px;
    font-size: 14px;
}

#leaveRoomBtn {
    background-color: #ed5565;
}

#leaveRoomBtn:hover {
    background-color: #da4453;
}

.controls {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

#stopShareBtn {
    background-color: #ed5565;
}

#stopShareBtn:hover {
    background-color: #da4453;
}

.screens-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.screen-item {
    position: relative;
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.screen-header {
    padding: 10px;
    background-color: var(--accent-color);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.screen-actions {
    display: flex;
    gap: 5px;
}

.focus-btn, .unfocus-btn {
    background-color: rgba(255, 255, 255, 0.3);
    padding: 5px 8px;
    font-size: 12px;
    border-radius: 4px;
}

.unfocus-btn {
    background-color: rgba(255, 255, 255, 0.5);
}

.screen-video {
    width: 100%;
    height: auto;
    display: block;
}

.focused {
    grid-column: 1 / -1;
    max-width: 100%;
}

.hidden-stream {
    display: none;
}

.comments-section {
    padding: 10px;
    background-color: var(--secondary-bg);
    max-height: 150px;
    overflow-y: auto;
}

.comments-list {
    list-style: none;
    margin-bottom: 10px;
}

.comment {
    padding: 5px 0;
    border-bottom: 1px solid var(--input-border);
    font-size: 14px;
}

.comment-author {
    font-weight: bold;
    color: var(--accent-color);
}

.comment-form {
    display: flex;
    gap: 5px;
}

.comment-input {
    flex-grow: 1;
    padding: 8px;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    font-size: 14px;
}

.submit-comment {
    padding: 8px 12px;
    font-size: 14px;
}

.no-screens {
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    padding: 40px;
    text-align: center;
    grid-column: 1 / -1;
}

.participants {
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    padding: 20px;
    margin-top: 20px;
}

.participants h3 {
    color: var(--accent-color);
    margin-bottom: 15px;
}

#participantsList {
    list-style: none;
}

#participantsList li {
    padding: 8px 0;
    border-bottom: 1px solid var(--input-border);
}

#participantsList li:last-child {
    border-bottom: none;
}

.current-user {
    font-weight: bold;
}

.sharing {
    color: var(--accent-color);
}

/* Styles for username links */
.username-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.username-link:hover {
    text-decoration: underline;
    color: color-mix(in srgb, var(--accent-color) 80%, white);
}

#participantsList .username-link {
    margin-right: 5px;
}

.screen-header .username-link {
    flex-grow: 1;
    text-align: left;
    margin-right: 10px;
}

/* Participant List Profile Styles */
.participant-profile {
    display: flex;
    align-items: center;
    gap: 10px;
}

.participant-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid transparent;
}

.participant-status {
    margin-left: 5px;
    font-size: 0.8em;
    color: var(--text-color-muted, #666);
}

.participant-status.current-user {
    color: var(--accent-color);
}

.participant-status.sharing {
    color: var(--accent-color);
    font-weight: bold;
}

/* Stream Header Profile Styles */
.stream-profile {
    display: flex;
    align-items: center;
    gap: 10px;
}

.stream-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-color);
}

.stream-header .username-link {
    font-weight: bold;
    margin-left: 10px;
}

/* Settings Panel */
.settings-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    background-color: var(--secondary-bg);
    color: var(--text-color);
    font-size: 18px;
    margin-left: auto;
}

.settings-panel {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background-color: var(--card-bg);
    box-shadow: var(--card-shadow);
    transition: right 0.3s ease;
    padding: 20px;
    overflow-y: auto;
    z-index: 1000;
}

.settings-panel.open {
    right: 0;
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--input-border);
}

.close-settings {
    cursor: pointer;
    font-size: 24px;
    color: var(--text-color);
}

.settings-section {
    margin-bottom: 30px;
}

.settings-section h3 {
    margin-bottom: 15px;
    color: var(--accent-color);
}

.setting-item {
    margin-bottom: 15px;
}

.setting-item label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.setting-item select,
.setting-item input {
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid var(--input-border);
    background-color: var(--card-bg);
    color: var(--text-color);
}

.setting-item .color-picker {
    display: flex;
    gap: 10px;
}

.color-option {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
}

.color-option.selected {
    border-color: white;
    box-shadow: 0 0 0 2px var(--accent-color);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 54px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--accent-color);
}

input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

.webcam-preview {
    width: 100%;
    height: 180px;
    background-color: var(--secondary-bg);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    overflow: hidden;
    position: relative;
}

.webcam-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.webcam-preview .position-overlay {
    position: absolute;
    right: 10px;
    bottom: 10px;
    width: 100px;
    height: 75px;
    border: 2px dashed var(--accent-color);
    border-radius: 4px;
}

.overlay-sm {
    width: 80px;
    height: 60px;
}

.overlay-md {
    width: 100px;
    height: 75px;
}

.overlay-lg {
    width: 120px;
    height: 90px;
}

.position-tl {
    right: auto;
    bottom: auto;
    top: 10px;
    left: 10px;
}

.position-tr {
    right: 10px;
    bottom: auto;
    top: 10px;
    left: auto;
}

.position-bl {
    right: auto;
    bottom: 10px;
    top: auto;
    left: 10px;
}

.position-br {
    right: 10px;
    bottom: 10px;
    top: auto;
    left: auto;
}

.camera-preview {
    position: absolute;
    overflow: hidden;
    border-radius: 4px;
    background-color: rgba(0, 0, 0, 0.5);
}

/* User with camera */
.screen-item.with-camera .camera-feed {
    position: absolute;
    z-index: 10;
    border-radius: 4px;
    overflow: hidden;
    background-color: black;
}

.camera-feed.position-tl {
    top: 40px;
    left: 10px;
}

.camera-feed.position-tr {
    top: 40px;
    right: 10px;
}

.camera-feed.position-bl {
    bottom: 150px;
    left: 10px;
}

.camera-feed.position-br {
    bottom: 150px;
    right: 10px;
}

.camera-feed.size-sm {
    width: 80px;
    height: 60px;
}

.camera-feed.size-md {
    width: 120px;
    height: 90px;
}

.camera-feed.size-lg {
    width: 160px;
    height: 120px;
}

.camera-feed video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.flip-camera-btn {
    background-color: var(--secondary-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    margin-left: 5px;
    padding: 5px 8px;
    font-size: 12px;
    border-radius: 4px;
}

.flip-camera-btn:hover {
    background-color: var(--accent-color);
    color: white;
}

/* Settings button on welcome screen */
#welcome .settings-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    background-color: var(--secondary-bg);
    color: var(--text-color);
    font-size: 18px;
}

#welcome {
    position: relative;
}

/* Format dialog */
.format-dialog {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.format-dialog-content {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    width: 90%;
    max-width: 400px;
    text-align: center;
    box-shadow: var(--card-shadow);
}

.format-dialog-content h3 {
    margin-bottom: 15px;
    color: var(--accent-color);
}

.format-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 20px 0;
}

.format-option {
    padding: 15px;
    font-size: 16px;
    border-radius: 8px;
    background-color: var(--secondary-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    cursor: pointer;
    transition: all 0.2s ease;
}

.format-option:hover {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.format-cancel {
    background-color: var(--secondary-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    margin-top: 10px;
}

/* Conversion message */
.conversion-message {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.conversion-content {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    box-shadow: var(--card-shadow);
}

.conversion-loader {
    width: 40px;
    height: 40px;
    border: 4px solid var(--secondary-bg);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    margin: 15px auto 0;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Streaming Choice Dialog */
.streaming-choice-dialog {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.streaming-choice-content {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    width: 90%;
    max-width: 400px;
    text-align: center;
    box-shadow: var(--card-shadow);
}

.streaming-choice-content h3 {
    margin-bottom: 15px;
    color: var(--accent-color);
}

.streaming-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 20px 0;
}

.streaming-option {
    padding: 15px;
    font-size: 16px;
    border-radius: 8px;
    background-color: var(--secondary-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    cursor: pointer;
    transition: all 0.2s ease;
}

.streaming-option:hover {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.streaming-cancel {
    background-color: var(--secondary-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    margin-top: 10px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .room-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .screens-container {
        grid-template-columns: 1fr;
    }
    
    .settings-panel {
        width: 100%;
        right: -100%;
    }
}

/* Mobile camera share styles */
.mobile-camera-share {
    position: relative;
}

.mobile-share-overlay {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    z-index: 20;
}

/* Adjust video styling for mobile camera share */
.mobile-camera-share .screen-video {
    transform: scaleX(-1); /* Mirror front camera view */
}