/* ========================================
   Expert Panel Page Styles
   Kamelion - AI Brand Assistant
   ======================================== */

/* ========== PAGE LAYOUT ========== */
.expert-panel-page {
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--header-height, 80px));
    overflow: hidden;
    padding: 0;
}

/* ========== PANEL HEADER ========== */
.panel-page-header {
    padding: var(--spacing-4xl) var(--spacing-5xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    flex-shrink: 0;
    /* Ensure proper positioning relative to sidebar */
    position: relative;
    z-index: 1;
}

.panel-header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-4xl);
}

.panel-header-left {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3xl);
}

.back-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
}

.back-btn svg {
    width: 20px;
    height: 20px;
}

.panel-title-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.panel-page-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin: 0;
    letter-spacing: var(--letter-spacing-tight);
}

.panel-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

/* Strategy Badge */
.strategy-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-xl);
    background: rgba(74, 222, 128, 0.1);
    border: 1px solid rgba(74, 222, 128, 0.2);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-active);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.strategy-badge svg {
    width: 14px;
    height: 14px;
}

.strategy-badge.sequential {
    background: rgba(147, 112, 219, 0.1);
    border-color: rgba(147, 112, 219, 0.2);
    color: #9370db;
}

/* Director Avatars */
.director-avatars {
    display: flex;
    gap: var(--spacing-sm);
}

.director-avatar {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
}

.director-avatar-icon {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.director-avatar-icon svg {
    width: 12px;
    height: 12px;
}

/* Panel Header Right */
.panel-header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

/* View Toggle */
.view-toggle {
    display: flex;
    padding: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-full);
}

.view-toggle-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-2xl);
    background: transparent;
    border: none;
    border-radius: var(--border-radius-full);
    color: var(--color-text-secondary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
}

.view-toggle-btn:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.view-toggle-btn.active {
    background: rgba(74, 222, 128, 0.15);
    color: var(--color-active);
}

.view-toggle-btn svg {
    width: 16px;
    height: 16px;
}

/* Panel Actions */
.panel-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
}

.action-btn svg {
    width: 18px;
    height: 18px;
}

/* Original Question */
.original-question {
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-3xl);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-lg);
}

.question-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.question-label svg {
    width: 14px;
    height: 14px;
}

.question-text {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    line-height: 1.6;
    margin: 0;
}

/* ========== PANEL VIEW (COLUMNS) ========== */
.panel-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: var(--spacing-4xl) 0;
    gap: var(--spacing-4xl);
}

.panel-view[hidden] {
    display: none;
}

/* Director Grid */
.director-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-3xl);
    flex: 1;
    overflow: hidden;
}

/* Director Column */
.director-column {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.director-column-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-3xl);
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.director-column-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.2), rgba(74, 222, 128, 0.05));
    border-radius: var(--border-radius-md);
    color: var(--color-active);
    flex-shrink: 0;
}

.director-column-icon svg {
    width: 18px;
    height: 18px;
}

.director-column-info {
    flex: 1;
    min-width: 0;
}

.director-column-code {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-active);
    text-transform: uppercase;
}

.director-column-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Director Response List */
.director-response-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-3xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.director-response-list::-webkit-scrollbar {
    width: 6px;
}

.director-response-list::-webkit-scrollbar-track {
    background: transparent;
}

.director-response-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-full);
}

.director-response-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Response Bubble */
.response-bubble {
    padding: var(--spacing-3xl);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
}

.response-bubble-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    white-space: pre-wrap;
}

.response-bubble-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.response-turn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Per-Turn Synthesis in Column */
.per-turn-synthesis {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-2xl);
    background: rgba(74, 222, 128, 0.05);
    border: 1px solid rgba(74, 222, 128, 0.15);
    border-radius: var(--border-radius-md);
}

.per-turn-synthesis-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-active);
    margin-bottom: var(--spacing-md);
}

.per-turn-synthesis-label svg {
    width: 12px;
    height: 12px;
}

.per-turn-synthesis-text {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-2xl) var(--spacing-3xl);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.typing-dots {
    display: flex;
    gap: 4px;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: var(--color-active);
    border-radius: 50%;
    animation: typingBounce 1.4s ease-in-out infinite;
}

.typing-dot:nth-child(1) { animation-delay: 0s; }
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    30% {
        transform: translateY(-4px);
        opacity: 1;
    }
}

/* Empty Column State */
.column-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: var(--spacing-4xl);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    text-align: center;
}

/* ========== MASTER PROMPT SECTION ========== */
.master-prompt-section {
    padding: 0 var(--spacing-5xl);
    margin-bottom: var(--spacing-4xl);
    flex-shrink: 0;
}

.master-prompt-section[hidden] {
    display: none;
}

.master-prompt-card {
    padding: var(--spacing-4xl);
    background: linear-gradient(135deg, rgba(147, 112, 219, 0.1), rgba(147, 112, 219, 0.03));
    border: 1px solid rgba(147, 112, 219, 0.25);
    border-radius: var(--border-radius-lg);
    position: relative;
}

.master-prompt-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #9370db, #b794f6);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.master-prompt-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.master-prompt-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(147, 112, 219, 0.2);
    border-radius: var(--border-radius-md);
    color: #b794f6;
    flex-shrink: 0;
}

.master-prompt-icon svg {
    width: 22px;
    height: 22px;
}

.master-prompt-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.master-prompt-label .label-text {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: #b794f6;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.master-prompt-label .turn-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-lg);
    background: rgba(147, 112, 219, 0.15);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: #b794f6;
}

.master-prompt-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    line-height: 1.7;
    margin: 0;
    font-weight: var(--font-weight-medium);
}

/* ========== OVERALL SYNTHESIS ========== */
.overall-synthesis {
    padding: var(--spacing-4xl);
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.08), rgba(74, 222, 128, 0.02));
    border: 1px solid rgba(74, 222, 128, 0.2);
    border-radius: var(--border-radius-lg);
    flex-shrink: 0;
}

.overall-synthesis[hidden] {
    display: none;
}

.synthesis-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.synthesis-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(74, 222, 128, 0.15);
    border-radius: var(--border-radius-md);
    color: var(--color-active);
}

.synthesis-icon svg {
    width: 20px;
    height: 20px;
}

.synthesis-title-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.synthesis-title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin: 0;
}

.synthesis-status {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-weight: var(--font-weight-medium);
}

.synthesis-content {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.synthesis-placeholder {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-3xl);
    color: var(--color-text-muted);
    font-style: italic;
}

.synthesis-placeholder svg {
    width: 18px;
    height: 18px;
    color: var(--color-active);
}

.synthesis-placeholder svg.spin {
    animation: spin 1.5s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.synthesis-text {
    white-space: pre-wrap;
}

.synthesis-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(74, 222, 128, 0.15);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.synthesis-turn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-active);
    font-weight: var(--font-weight-semibold);
}

.synthesis-section {
    margin-bottom: var(--spacing-3xl);
}

.synthesis-section:last-child {
    margin-bottom: 0;
}

.synthesis-section-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-active);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

/* ========== CONVERSATION HISTORY SECTION ========== */
.conversation-history-section {
    margin-top: var(--spacing-4xl);
    padding-top: var(--spacing-4xl);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    flex-shrink: 0;
}

.conversation-history-section[hidden] {
    display: none;
}

.conversation-history-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-3xl);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.conversation-history-header svg {
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
}

.conversation-history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.conversation-history-item {
    display: flex;
    gap: var(--spacing-3xl);
    padding: var(--spacing-3xl);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-lg);
}

.history-turn-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-xl);
    background: rgba(74, 222, 128, 0.1);
    border: 1px solid rgba(74, 222, 128, 0.2);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-active);
    white-space: nowrap;
    height: fit-content;
}

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

.history-message-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.history-user-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-active);
    text-transform: uppercase;
}

.history-user-label svg {
    width: 14px;
    height: 14px;
}

.history-message-time {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.history-message-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    line-height: 1.6;
}

/* ========== USER MESSAGES SECTION ========== */
.user-messages-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    flex-shrink: 0;
}

.user-message-card {
    padding: var(--spacing-3xl) var(--spacing-4xl);
    background: rgba(74, 222, 128, 0.05);
    border: 1px solid rgba(74, 222, 128, 0.15);
    border-radius: var(--border-radius-lg);
}

.user-message-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.user-message-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-active);
    text-transform: uppercase;
}

.user-message-label svg {
    width: 14px;
    height: 14px;
}

.user-message-time {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.user-message-text {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    line-height: 1.6;
}

/* ========== CHAT VIEW (CHRONOLOGICAL) ========== */
.chat-view {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-4xl) var(--spacing-5xl);
}

.chat-view[hidden] {
    display: none;
}

.chat-messages {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
    max-width: 800px;
    margin: 0 auto;
}

/* Chat Message */
.chat-message {
    display: flex;
    gap: var(--spacing-2xl);
}

.chat-message-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-md);
    flex-shrink: 0;
}

.chat-message-avatar.user {
    background: rgba(74, 222, 128, 0.15);
    color: var(--color-active);
}

.chat-message-avatar.director {
    background: rgba(147, 112, 219, 0.15);
    color: #9370db;
}

.chat-message-avatar svg {
    width: 18px;
    height: 18px;
}

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

.chat-message-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.chat-message-sender {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.chat-message-sender .director-code {
    display: inline-flex;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(147, 112, 219, 0.15);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    color: #9370db;
    margin-right: var(--spacing-sm);
}

.chat-message-time {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.chat-message-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    white-space: pre-wrap;
}

/* Chat Synthesis Message */
.chat-message.synthesis .chat-message-avatar {
    background: rgba(74, 222, 128, 0.15);
    color: var(--color-active);
}

.chat-message.synthesis .chat-message-sender {
    color: var(--color-active);
}

.chat-message.synthesis .director-code {
    background: rgba(74, 222, 128, 0.15);
    color: var(--color-active);
}

/* Chat Divider */
.chat-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
}

.chat-divider::before,
.chat-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
}

/* ========== EMPTY STATE ========== */
.empty-panel-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: var(--spacing-9xl);
    text-align: center;
}

.empty-panel-state[hidden] {
    display: none;
}

.empty-panel-state .empty-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.2), rgba(74, 222, 128, 0.05));
    border-radius: var(--border-radius-xl);
    margin-bottom: var(--spacing-4xl);
}

.empty-panel-state .empty-icon svg {
    width: 40px;
    height: 40px;
    color: var(--color-active);
}

.empty-panel-state h2 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-md);
}

.empty-panel-state p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0 0 var(--spacing-4xl);
    max-width: 400px;
}

/* ========== INPUT BAR ========== */
.panel-input-bar {
    padding: var(--spacing-3xl) var(--spacing-5xl);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    /* FIXED: Remove dark background */
    background: linear-gradient(197.05deg, rgba(255, 255, 255, 0.16) 17.507%, rgba(255, 255, 255, 0.1) 82.358%);
    backdrop-filter: blur(50px);
    -webkit-backdrop-filter: blur(50px);
    flex-shrink: 0;
    /* Add subtle border for definition */
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 12px 12px 0 0;
}

.panel-input-bar[hidden] {
    display: none;
}

.input-container {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-2xl);
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
}

.input-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    border-radius: var(--border-radius-md);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.input-action-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
}

.input-action-btn svg {
    width: 20px;
    height: 20px;
}

.panel-input {
    flex: 1;
    min-height: 36px;
    max-height: 120px;
    padding: var(--spacing-md) 0;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    resize: none;
    outline: none;
}

.panel-input::placeholder {
    color: var(--color-text-muted);
}

.input-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    flex-shrink: 0;
}

.director-count {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    white-space: nowrap;
}

.director-count #directorCountNum {
    color: var(--color-active);
    font-weight: var(--font-weight-bold);
}

.send-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-active);
    border: none;
    border-radius: var(--border-radius-md);
    color: white;
    cursor: pointer;
    transition: all var(--transition-base);
}

.send-btn:hover:not(:disabled) {
    background: var(--color-active-hover);
    transform: scale(1.05);
}

.send-btn:disabled {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-muted);
    cursor: not-allowed;
}

.send-btn svg {
    width: 20px;
    height: 20px;
}

/* ========== TOAST STYLES ========== */
.toast-container {
    position: fixed;
    bottom: var(--spacing-5xl);
    right: var(--spacing-5xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    z-index: 1000;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl) var(--spacing-3xl);
    background: var(--gradient-card);
    backdrop-filter: blur(var(--blur-md));
    border: 1px solid var(--color-border-card);
    border-radius: var(--border-radius-lg);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-success { border-color: rgba(74, 222, 128, 0.3); }
.toast-error { border-color: rgba(248, 113, 113, 0.3); }
.toast-info { border-color: rgba(147, 112, 219, 0.3); }

/* ========== SESSION SETTINGS MODAL ========== */
/* Override modal visibility for hidden attribute pattern */
.modal-overlay[hidden] {
    display: none;
}

.modal-overlay:not([hidden]) {
    display: flex;
    opacity: 1;
    visibility: visible;
}

.modal-overlay:not([hidden]) .modal-container {
    transform: scale(1) translateY(0);
}

.session-settings-modal {
    max-width: 560px;
}

.session-settings-modal .modal-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.session-settings-modal .modal-title svg {
    width: 24px;
    height: 24px;
}

.modal-section-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.modal-section-desc {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.modal-select {
    width: 100%;
    padding: var(--spacing-xl) var(--spacing-2xl);
    background: var(--color-bg-input);
    border: 1px solid var(--color-border-button);
    border-radius: var(--border-radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.5)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-xl) center;
    padding-right: var(--spacing-5xl);
}

.modal-select:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.modal-select:focus {
    outline: none;
    border-color: var(--color-active);
}

/* Directors Checklist */
.directors-checklist {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-height: 320px;
    overflow-y: auto;
    padding-right: var(--spacing-md);
}

.directors-checklist::-webkit-scrollbar {
    width: 6px;
}

.directors-checklist::-webkit-scrollbar-track {
    background: transparent;
}

.directors-checklist::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.director-checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--gradient-card);
    border: 1px solid var(--color-border-card);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.director-checkbox-item:hover {
    border-color: var(--color-border-button);
    background: var(--gradient-card-hover);
}

.director-checkbox-item.selected {
    background: var(--color-active-bg);
    border-color: var(--color-border-active);
}

.director-checkbox-item input[type="checkbox"] {
    display: none;
}

.director-checkbox-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    flex-shrink: 0;
}

.director-checkbox-icon svg {
    width: 18px;
    height: 18px;
    color: var(--color-text-secondary);
}

.director-checkbox-item.selected .director-checkbox-icon {
    background: var(--color-active);
}

.director-checkbox-item.selected .director-checkbox-icon svg {
    color: white;
}

.director-checkbox-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.director-checkbox-code {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-muted);
}

.director-checkbox-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.modal-btn svg {
    width: 16px;
    height: 16px;
}

.modal-btn-primary {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* ========== FILE ATTACHMENT PREVIEW ========== */
.attached-files-preview {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-md);
}

.attached-file-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gradient-card);
    border: 1px solid var(--color-border-card);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
}

.attached-file-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

.attached-file-icon svg {
    width: 16px;
    height: 16px;
}

.attached-file-name {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.attached-file-size {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.attached-file-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: transparent;
    border: none;
    border-radius: var(--border-radius-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-base);
    padding: 0;
}

.attached-file-remove:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
}

.attached-file-remove svg {
    width: 14px;
    height: 14px;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .director-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .panel-header-top {
        flex-direction: column;
        gap: var(--spacing-3xl);
    }

    .panel-header-right {
        width: 100%;
        justify-content: flex-end;
    }
}

@media (max-width: 768px) {
    .panel-page-header {
        padding: var(--spacing-3xl);
    }

    .panel-view,
    .chat-view {
        padding: var(--spacing-3xl);
    }

    .panel-input-bar {
        padding: var(--spacing-2xl) var(--spacing-3xl);
    }

    .director-grid {
        grid-template-columns: 1fr;
    }

    .view-toggle-btn span {
        display: none;
    }

    .director-count {
        display: none;
    }

    .panel-meta {
        flex-wrap: wrap;
    }

    .director-avatars {
        width: 100%;
    }

    .panel-header-left {
        flex-direction: column;
        align-items: flex-start;
    }

    .back-btn {
        position: absolute;
        top: var(--spacing-3xl);
        left: var(--spacing-3xl);
    }

    .panel-title-group {
        padding-left: 0;
    }
}

@media (max-width: 480px) {
    .panel-page-title {
        font-size: var(--font-size-lg);
    }

    .original-question {
        padding: var(--spacing-2xl);
    }

    .director-column-header {
        padding: var(--spacing-2xl);
    }

    .director-response-list {
        padding: var(--spacing-2xl);
    }

    .overall-synthesis {
        padding: var(--spacing-3xl);
    }
}

/* ========== ACCESSIBILITY ========== */
@media (prefers-reduced-motion: reduce) {
    .typing-dot,
    .toast,
    .send-btn {
        animation: none !important;
        transition: none !important;
    }
}

.view-toggle-btn:focus-visible,
.action-btn:focus-visible,
.back-btn:focus-visible,
.send-btn:focus-visible,
.input-action-btn:focus-visible {
    outline: 2px solid var(--color-active);
    outline-offset: 2px;
}

/* ========== ENHANCED EXPERT INTERFACE ========== */
.expert-panel-interface {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4xl);
    padding: 0;
}

/* ========== EXPERT DIRECTORS SECTION ========== */
.expert-directors-section {
    flex-shrink: 0;
}

/* Expert Tabs Component */
.expert-tabs {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-lg);
    overflow: visible;
}

.expert-tabs__nav {
    display: flex;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.expert-tabs__nav-item {
    flex: 1;
    padding: var(--spacing-xl) var(--spacing-2xl);
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-base);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    text-align: center;
}

.expert-tabs__nav-item:last-child {
    border-right: none;
}

.expert-tabs__nav-item:hover {
    background: rgba(255, 255, 255, 0.03);
    color: var(--color-text-secondary);
}

.expert-tabs__nav-item--active {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    border-bottom: 2px solid var(--color-active);
}

.expert-tabs__nav-label {
    display: block;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
}

.expert-tabs__nav-count {
    display: block;
    font-size: var(--font-size-sm);
    opacity: 0.7;
    margin-top: var(--spacing-xs);
}

.expert-tabs__content {
    position: relative;
}

.expert-tabs__panel {
    display: none;
    padding: var(--spacing-4xl);
    min-height: 400px;
}

.expert-tabs__panel--active {
    display: block;
}

/* Placeholder Content */
.expert-tabs__placeholder {
    text-align: center;
    padding: var(--spacing-6xl);
}

.expert-tabs__placeholder-icon {
    font-size: 48px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-3xl);
}

.expert-tabs__placeholder-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2xl);
}

.expert-tabs__placeholder-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-4xl);
    line-height: 1.6;
}

.expert-tabs__roadmap {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-3xl);
    margin-bottom: var(--spacing-4xl);
}

.expert-tabs__roadmap h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xl);
}

.expert-tabs__roadmap ul {
    list-style: none;
    padding: 0;
}

.expert-tabs__roadmap li {
    padding: var(--spacing-md) 0;
    padding-left: var(--spacing-xl);
    position: relative;
    color: var(--color-text-secondary);
}

.expert-tabs__roadmap li::before {
    content: '•';
    color: var(--color-active);
    position: absolute;
    left: 0;
}

.expert-tabs__placeholder-actions {
    display: flex;
    gap: var(--spacing-2xl);
    justify-content: center;
}

/* Expert Content */
.expert-tabs__experts {
    /* Will be styled by ExpertGrid component */
}

.expert-tabs__experts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-3xl);
}

.expert-tabs__experts-header h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0;
}

.expert-tabs__experts-actions {
    display: flex;
    gap: var(--spacing-xl);
}

/* Director Clusters */
.expert-tabs__clusters {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.expert-cluster {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.expert-cluster__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-2xl);
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    cursor: pointer;
    transition: all var(--transition-base);
}

.expert-cluster__header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.expert-cluster__title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0;
}

.expert-cluster__count {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.expert-cluster__toggle {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-base);
}

.expert-cluster__toggle:hover {
    color: var(--color-text-primary);
}

.expert-cluster__content {
    display: none;
    padding: var(--spacing-2xl);
}

.expert-cluster__content--expanded {
    display: block;
}

.expert-cluster__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
}

/* Director Cards */
.director-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.director-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.12);
}

.director-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--color-active);
    flex-shrink: 0;
}

.director-card__info {
    flex: 1;
}

.director-card__name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.director-card__code {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 6px;
    border-radius: var(--border-radius-sm);
    margin-right: var(--spacing-xs);
}

.director-card__specialty {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.director-card__actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.director-card__action {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-base);
}

.director-card__action:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
}

/* ========== EXPANDABLE SECTIONS ========== */
.expert-advisors-section,
.expert-hybrids-section {
    flex-shrink: 0;
}

.expandable-section {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.expandable-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-2xl) var(--spacing-3xl);
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    cursor: pointer;
    transition: all var(--transition-base);
}

.expandable-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.expandable-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.expandable-title i {
    color: var(--color-active);
}

.expandable-title h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0;
}

.expert-count {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.expandable-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.expandable-toggle {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-base);
}

.expandable-toggle:hover {
    color: var(--color-text-primary);
}

.expandable-content {
    padding: var(--spacing-3xl);
}

/* Hybrid Subsections */
.hybrid-subsection {
    margin-bottom: var(--spacing-4xl);
}

.hybrid-subsection:last-child {
    margin-bottom: 0;
}

.subsection-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.subsection-header h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0;
}

.subsection-count {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.expert-grid-container {
    /* Grid will be styled by ExpertGrid component */
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 1024px) {
    .expert-panel-interface {
        padding: 0 var(--spacing-3xl);
        gap: var(--spacing-3xl);
    }

    .expert-cluster__grid {
        grid-template-columns: 1fr;
    }

    .expert-tabs__nav-item {
        padding: var(--spacing-lg) var(--spacing-xl);
    }

    .expert-tabs__panel {
        padding: var(--spacing-3xl);
    }
}

@media (max-width: 768px) {
    .expert-panel-interface {
        padding: 0 var(--spacing-2xl);
        gap: var(--spacing-2xl);
    }

    .expert-tabs__nav {
        flex-direction: column;
    }

    .expert-tabs__nav-item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

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

    .director-card {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .expandable-header {
        padding: var(--spacing-xl) var(--spacing-2xl);
    }

    .expandable-content {
        padding: var(--spacing-2xl);
    }

    .expert-tabs__placeholder {
        padding: var(--spacing-4xl);
    }

    .expert-tabs__placeholder-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* ========== ENHANCED RESPONSIVE DESIGN ========== */
@media (max-width: 1200px) {
    .panel-page-header {
        padding-left: var(--spacing-3xl);
        padding-right: var(--spacing-3xl);
    }

    .panel-view {
        padding: var(--spacing-2xl);
    }
}

@media (max-width: 900px) {
    .panel-header-top {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-2xl);
    }

    .panel-header-right {
        justify-content: space-between;
    }

    .view-toggle {
        order: -1;
    }
}

@media (max-width: 768px) {
    .expert-panel-page {
        height: calc(100vh - 60px); /* Reduced header height for mobile */
    }

    .panel-page-header {
        padding: var(--spacing-2xl);
    }

    .panel-input-bar {
        padding: var(--spacing-2xl);
        border-radius: 0;
    }

    .input-container {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .director-avatars {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    /* Stack view controls vertically on mobile */
    .view-toggle {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .view-toggle-btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .panel-page-header {
        padding: var(--spacing-xl);
    }

    .back-btn {
        width: 36px;
        height: 36px;
    }

    .panel-page-title {
        font-size: var(--font-size-xl);
    }

    .strategy-badge {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-xs);
    }
}


/* Enhanced cluster toggle states */
.expert-cluster__toggle--expanded {
    color: var(--color-active);
}

.expert-cluster__toggle i {
    transition: transform 0.2s ease;
}

/* Enhanced expandable toggle states */
.expandable-toggle--expanded {
    color: var(--color-active);
}

.expandable-toggle i {
    transition: transform 0.2s ease;
}

/* Enhanced focus states for accessibility */
.expert-cluster__toggle:focus,
.expandable-toggle:focus {
    outline: 2px solid var(--color-active);
    outline-offset: 2px;
}