:root {
    --primary-color: #4A90E2;
    --secondary-color: #7B68EE;
    --success-color: #50C878;
    --danger-color: #E74C3C;
    --warning-color: #F39C12;
    --bg-color: #F5F7FA;
    --card-bg: #FFFFFF;
    --border-color: #E1E8ED;
    --text-color: #333333;
    --text-light: #657786;
    --sidebar-width: 280px;
}

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

html {
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

.container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--card-bg);
    border-right: 1px solid var(--border-color);
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar h2 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.connection-controls {
    margin-bottom: 30px;
}

.connection-controls > div {
    margin-bottom: 15px;
}

.session-id-container {
    display: flex;
    gap: 5px;
    margin-top: 5px;
}

#session-id {
    flex: 1;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 12px;
    font-family: monospace;
}

.share-controls {
    display: flex;
    gap: 5px;
    margin-top: 10px;
}

.qr-code-container {
    margin-top: 15px;
    padding: 15px;
    background-color: white;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
}

#qr-code {
    display: inline-block;
    margin-bottom: 10px;
}

#qr-code img {
    max-width: 100%;
    height: auto;
}

.qr-instructions {
    margin: 0;
    font-size: 12px;
    color: var(--text-light);
}

.participants {
    flex: 1;
    margin-bottom: 20px;
}

.participants h3 {
    margin-bottom: 10px;
    font-size: 16px;
    color: var(--text-color);
}

#participants-list {
    list-style: none;
}

#participants-list li {
    padding: 8px;
    margin-bottom: 5px;
    background-color: var(--bg-color);
    border-radius: 4px;
    font-size: 14px;
}

.connection-status {
    display: flex;
    align-items: center;
    padding: 10px;
    background-color: var(--bg-color);
    border-radius: 4px;
}

#status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 10px;
}

.status-disconnected {
    background-color: var(--danger-color);
}

.status-connected {
    background-color: var(--success-color);
}

/* Main Content Styles */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.header {
    background-color: var(--card-bg);
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.header h1 {
    color: var(--primary-color);
    font-size: 28px;
}

.header h1 .version {
    font-size: 14px;
    color: var(--text-light);
    font-weight: normal;
    margin-left: 8px;
}

.phase-indicator {
    font-size: 18px;
    color: var(--text-light);
    flex: 1;
}

/* Settings Menu */
.settings-menu-container {
    position: relative;
}

.icon-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.icon-btn:hover {
    background-color: var(--bg-color);
}

.settings-dropdown {
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 10px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    min-width: 250px;
    max-width: 90vw;
    z-index: 1000;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.settings-section {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

.settings-section:last-child {
    border-bottom: none;
}

.settings-section h4 {
    margin-bottom: 10px;
    color: var(--text-light);
    font-size: 12px;
    text-transform: uppercase;
}

.dropdown-item {
    width: 100%;
    padding: 10px;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.3s;
    font-size: 14px;
    margin-bottom: 5px;
}

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

.dropdown-item:hover {
    background-color: var(--bg-color);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

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

.modal-header h3 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-light);
    padding: 0;
    width: 30px;
    height: 30px;
}

.modal-close:hover {
    color: var(--danger-color);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
}

.role-user-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background-color: var(--bg-color);
    border-radius: 6px;
    margin-bottom: 10px;
}

.role-user-info {
    display: flex;
    flex-direction: column;
}

.role-user-name {
    font-weight: 500;
    margin-bottom: 5px;
}

.role-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.role-badge.moderator {
    background-color: #e0f2fe;
    color: #0369a1;
}

.role-badge.participant {
    background-color: #dcfce7;
    color: #15803d;
}

.role-badge.guest {
    background-color: #fef3c7;
    color: #a16207;
}

.role-controls {
    display: flex;
    gap: 5px;
}

.role-controls select {
    width: auto;
    padding: 6px 10px;
    font-size: 12px;
}

/* Card blur effect */
.card-blurred {
    filter: blur(5px);
    user-select: none;
    pointer-events: none;
}

.card-blurred .card-content {
    color: transparent;
    text-shadow: 0 0 8px rgba(0,0,0,0.5);
}

/* Phase Navigation */
.phase-nav {
    display: flex;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0 30px;
}

.phase-btn {
    flex: 1;
    padding: 15px 10px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-light);
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.phase-btn:hover {
    background-color: var(--bg-color);
}

.phase-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
}

.phase-btn.completed {
    color: var(--success-color);
}

/* Phase Content */
.phase {
    display: none;
    overflow-y: auto;
}

.phase.active {
    display: block;
}

.phase-content {
    padding: 30px;
}

.phase-content h2 {
    margin-bottom: 20px;
    color: var(--text-color);
}

.instructions {
    color: var(--text-light);
    margin-bottom: 20px;
    font-style: italic;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #3A7BC8;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #6A58CE;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Input Fields */
input[type="text"],
textarea,
select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
}

textarea {
    resize: vertical;
}

.hidden {
    display: none !important;
}

/* Phase 1: Cards */
.card-input-container {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card-controls {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

#card-category {
    width: auto;
}

.cards-display {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card-column {
    background-color: var(--card-bg);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card-column h3 {
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.card-list {
    min-height: 200px;
}

.card {
    background-color: var(--bg-color);
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 6px;
    border-left: 4px solid var(--primary-color);
    cursor: move;
    transition: all 0.3s;
    position: relative;
}

.card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    transform: translateY(-2px);
}

.card.good {
    border-left-color: var(--success-color);
}

.card.bad {
    border-left-color: var(--danger-color);
}

.card.improve {
    border-left-color: var(--warning-color);
}

.card-content {
    word-wrap: break-word;
}

.card-delete {
    position: absolute;
    top: 8px;
    right: 8px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-light);
    font-size: 16px;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-delete:hover {
    color: var(--danger-color);
}

/* Phase 2: Grouping */
.grouping-area {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    min-height: 400px;
}

.card-group {
    background-color: var(--card-bg);
    padding: 15px;
    border-radius: 8px;
    min-width: 250px;
    max-width: 350px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.group-header {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.group-name {
    flex: 1;
    padding: 5px;
    border: none;
    font-size: 16px;
    font-weight: 600;
    background: transparent;
}

.group-name:focus {
    outline: 1px solid var(--primary-color);
    background-color: var(--bg-color);
}

/* Phase 3: Voting */
.voting-area {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.vote-group {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.vote-group:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.vote-group.voted {
    border-color: var(--success-color);
    background-color: #f0fdf4;
}

.vote-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.vote-count {
    background-color: var(--primary-color);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 600;
}

.votes-remaining {
    text-align: center;
    padding: 15px;
    background-color: var(--card-bg);
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
}

.votes-remaining.votes-exhausted {
    background-color: #fee;
    color: #c33;
}

/* Phase 4: Discussion */
.discussion-area {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.discussion-group {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.discussion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.discussion-rank {
    background-color: var(--primary-color);
    color: white;
    padding: 5px 12px;
    border-radius: 50%;
    font-weight: 600;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.discussion-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.discussion-cards .card {
    flex: 0 1 calc(50% - 5px);
    cursor: default;
}

/* Phase 5: Action Items */
.action-input-container {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.action-input-container input,
.action-input-container textarea {
    margin-bottom: 10px;
}

.action-items-list {
    margin-bottom: 20px;
}

.action-item {
    background-color: var(--card-bg);
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 15px;
}

.action-checkbox {
    width: 24px;
    height: 24px;
    cursor: pointer;
}

.action-content {
    flex: 1;
}

.action-text {
    font-weight: 500;
    margin-bottom: 5px;
}

.action-owner {
    color: var(--text-light);
    font-size: 14px;
}

.action-item.completed .action-text {
    text-decoration: line-through;
    color: var(--text-light);
}

#export-btn {
    width: 100%;
    margin-top: 20px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .cards-display {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    /* Overall mobile layout */
    body {
        overflow-x: hidden;
    }

    .container {
        flex-direction: column;
        min-height: 100vh;
    }
    
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        max-height: none;
    }

    .main-content {
        flex: 1;
        overflow-x: hidden;
    }

    /* Header adjustments */
    .header {
        flex-wrap: wrap;
        gap: 10px;
        padding: 15px;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    /* Settings menu mobile positioning */
    .settings-menu-container {
        position: relative;
    }

    .settings-dropdown {
        position: fixed;
        right: 10px;
        left: 10px;
        top: auto;
        bottom: 10px;
        margin: 0;
        max-width: none;
        max-height: 70vh;
        overflow-y: auto;
        transform: none;
        z-index: 9999;
    }
    
    /* Touch target improvements */
    .icon-btn {
        min-width: 44px;
        min-height: 44px;
        font-size: 20px;
    }

    .btn {
        min-height: 44px;
        padding: 12px 20px;
        font-size: 1rem;
    }

    .btn-small {
        min-height: 40px;
        padding: 8px 14px;
        font-size: 0.9rem;
    }

    input[type="text"],
    input[type="number"],
    textarea,
    select {
        min-height: 44px;
        padding: 10px;
        font-size: 16px; /* Prevents iOS zoom on focus */
    }

    /* Phase navigation */
    .phase-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }
    
    .phase-btn {
        white-space: nowrap;
        min-width: auto;
        min-height: 44px;
        padding: 8px 16px;
        font-size: 0.95rem;
    }

    /* Cards area */
    .cards-area {
        padding: 15px;
    }

    .cards-input {
        flex-direction: column;
    }

    #card-text {
        min-height: 100px;
        font-size: 16px; /* Prevents iOS zoom */
    }
    
    .cards-display {
        gap: 15px;
    }

    .card-column h3 {
        font-size: 1rem;
        padding: 8px;
    }

    /* Voting area */
    .voting-area {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    /* Modals on mobile */
    .modal-content {
        width: 95%;
        max-width: 95%;
        margin: 10px;
        max-height: 90vh;
        overflow-y: auto;
    }

    .modal-large {
        max-width: 95%;
    }

    /* Session ID container */
    .session-id-container {
        flex-direction: column;
        gap: 10px;
    }

    .session-id-container input {
        font-size: 0.9rem;
    }

    /* Share controls */
    .share-controls {
        flex-direction: column;
        gap: 10px;
    }

    .share-controls .btn {
        width: 100%;
    }

    /* QR code */
    .qr-code-container {
        padding: 15px;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .header {
        padding: 10px;
    }

    .header h1 {
        font-size: 1.25rem;
    }

    .phase-indicator {
        font-size: 0.85rem;
    }

    .icon-btn {
        min-width: 40px;
        min-height: 40px;
        font-size: 18px;
    }

    .settings-dropdown {
        max-height: 85vh;
        bottom: 5px;
        left: 5px;
        right: 5px;
        border-radius: 12px;
    }

    .settings-section {
        padding: 10px;
    }

    .settings-section h4 {
        font-size: 11px;
    }

    .dropdown-item {
        padding: 10px;
        font-size: 0.95rem;
        min-height: 44px;
    }

    .card {
        padding: 10px;
        font-size: 0.9rem;
    }

    .btn {
        padding: 10px 14px;
        font-size: 0.95rem;
    }

    .phase-btn {
        padding: 8px 12px;
        font-size: 0.85rem;
    }

    /* Sidebar on very small screens */
    .sidebar {
        padding: 15px;
    }

    .sidebar h2 {
        font-size: 1.2rem;
    }

    /* Input improvements */
    input[type="text"],
    textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* Persistence Controls */
.persist-toggle-label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.persist-toggle-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

/* Sessions Modal */
.modal-large {
    max-width: 800px;
}

.sessions-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.retention-control {
    margin-bottom: 20px;
    padding: 10px;
    background-color: var(--bg-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.retention-control label {
    font-weight: 500;
}

.retention-control input {
    width: 80px;
}

.sessions-list {
    max-height: 400px;
    overflow-y: auto;
}

.session-item {
    padding: 15px;
    margin-bottom: 10px;
    background-color: var(--bg-color);
    border-radius: 6px;
    border-left: 4px solid var(--primary-color);
}

.session-item.official {
    border-left-color: var(--success-color);
}

.session-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
}

.session-item-title {
    font-weight: 600;
    font-size: 14px;
}

.session-item-meta {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.session-item-actions {
    display: flex;
    gap: 5px;
    margin-top: 10px;
}

.session-item-actions .btn {
    padding: 4px 8px;
    font-size: 12px;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

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

/* Consent Modal */
.consent-checkbox-container {
    margin: 20px 0;
    padding: 15px;
    background-color: var(--bg-color);
    border-radius: 4px;
}

.consent-checkbox-container label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.consent-checkbox-container input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

/* Debug Modal */
#debug-connection-info,
#debug-network-dump {
    background-color: var(--bg-color);
    padding: 10px;
    border-radius: 4px;
    font-size: 12px;
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-light);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 10px;
}

/* ICE Configuration Controls */
.ice-config-select {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 14px;
    cursor: pointer;
}

.ice-config-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.ice-config-note {
    padding: 5px 10px !important;
    cursor: default !important;
}

.ice-config-note:hover {
    background-color: transparent !important;
}

.ice-config-note small {
    color: var(--text-light);
    font-size: 12px;
    line-height: 1.4;
    display: block;
}