/* Aura de Fleurs — Strict Monochrome Glassmorphism Stylesheet */

:root {
    /* Color System (Strict Black and White / Zinc Neutrals) */
    --bg-color: #09090b;               /* deep black background */
    --card-bg: rgba(24, 24, 27, 0.45);  /* transparent zinc background with blur */
    --card-bg-solid: #18181b;         /* zinc card background */
    --border-color: rgba(255, 255, 255, 0.08); /* fine borders for glassmorphism */
    --border-color-focus: rgba(255, 255, 255, 0.2);
    
    --text-primary: #fafafa;          /* headings & high contrast text */
    --text-secondary: #a1a1aa;        /* body copy */
    --text-muted: #71717a;            /* meta copy / helper labels */
    
    /* Monochrome branding accent */
    --primary: #fafafa;               
    --primary-gradient: linear-gradient(135deg, #ffffff, #a1a1aa);
    --primary-focus-ring: rgba(250, 250, 250, 0.15);
    
    --indigo: #fafafa;
    --indigo-gradient: linear-gradient(135deg, #ffffff, #71717a);
    --purple: #a1a1aa;
    
    /* Status Colors mapped to monochrome tones */
    --success: #ffffff;
    --warning: #a1a1aa;
    --danger: #71717a;
    
    /* Typography */
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'Consolas', 'Fira Code', 'SF Mono', monospace;
    
    /* Layout Dimensions */
    --sidebar-width: 320px;
    --transition-speed: 0.2s;
    
    /* Shadows */
    --shadow-2xs: 0 1px rgba(0, 0, 0, 0.05);
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px -1px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.08);
    
    /* Radii */
    --radius-base: 8px;
    --radius-control: 6px;
    --radius-inner: 4px;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 16px;
    height: 100vh;
    overflow: hidden;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Soft, luxurious monochrome background radial gradients */
    background-image: 
        radial-gradient(circle at 5% 10%, rgba(255, 255, 255, 0.02) 0%, transparent 35%),
        radial-gradient(circle at 95% 90%, rgba(255, 255, 255, 0.015) 0%, transparent 40%);
}

/* Keyframe Animations */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes shimmerEffect {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Base Typography Elements */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.25;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-inner);
    transition: background-color var(--transition-speed);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-color-focus);
}

/* Modal Overlay for Auth */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(9, 9, 11, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-speed) ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-box {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-base);
    padding: 2.25rem 2rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-md), 0 20px 40px rgba(0, 0, 0, 0.4);
    text-align: center;
    transform: translateY(12px);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-box {
    transform: translateY(0);
}

.modal-icon {
    font-size: 2.25rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.2));
}

.modal-box h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.modal-box p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1.75rem;
}

.input-group {
    position: relative;
    margin-bottom: 1.25rem;
}

.input-group i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.input-group input {
    width: 100%;
    background: rgba(9, 9, 11, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-control);
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-focus-ring);
}

.error-msg {
    color: var(--danger);
    font-size: 0.8rem;
    margin-top: 0.75rem;
    min-height: 20px;
    font-weight: 500;
}

/* App Layout */
.app-layout {
    display: flex;
    height: 100vh;
    width: 100vw;
    background: var(--bg-color);
}

/* Sidebar Styling with Glassmorphism */
.sidebar {
    width: var(--sidebar-width);
    border-right: 1px solid var(--border-color);
    background: rgba(9, 9, 11, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    z-index: 15;
}

.sidebar-header {
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-control);
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    color: #09090b;
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.1);
}

.logo-text h1 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.1;
    background: linear-gradient(135deg, #fff, #a1a1aa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text p {
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-weight: 600;
    margin-top: 1px;
}

/* Sidebar Search */
.search-bar {
    padding: 0.75rem 1.25rem;
    position: relative;
}

.search-bar i {
    position: absolute;
    left: 2rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.search-bar input {
    width: 100%;
    background: rgba(24, 24, 27, 0.3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-control);
    padding: 0.6rem 1rem 0.6rem 2.25rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    transition: all var(--transition-speed);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--border-color-focus);
    background: rgba(24, 24, 27, 0.5);
}

.sessions-stats {
    padding: 0.25rem 1.25rem 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Sidebar List */
.sessions-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 0.75rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

/* Date Group Header */
.sessions-date-group-header {
    padding: 0.75rem 0.75rem 0.35rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sessions-date-group-header .group-count {
    background: rgba(24, 24, 27, 0.3);
    border: 1px solid var(--border-color);
    padding: 0.05rem 0.3rem;
    border-radius: var(--radius-inner);
    font-size: 0.65rem;
    color: var(--text-secondary);
}

/* Session Card */
.session-card {
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-control);
    padding: 0.75rem 0.85rem;
    cursor: pointer;
    transition: background-color var(--transition-speed), border-color var(--transition-speed), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.session-card:hover {
    background: rgba(255, 255, 255, 0.03);
    transform: translateY(-0.5px);
}

.session-card.active {
    background: rgba(24, 24, 27, 0.5);
    border-color: var(--border-color);
}

.session-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.session-card-id {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    max-width: 140px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.session-card-time {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.session-card-msg {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}

.session-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.25rem;
}

.session-card-badge {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    font-size: 0.65rem;
    padding: 0.1rem 0.4rem;
    border-radius: var(--radius-inner);
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.session-card-state {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.session-card-favorite-star {
    position: absolute;
    top: 0.75rem;
    right: 3.5rem;
    color: var(--warning);
    font-size: 0.75rem;
}

/* Dialogue View Area */
.dialogue-view {
    flex: 1;
    background: #09090b;
    display: flex;
    flex-direction: column;
    position: relative;
    height: 100vh;
}

/* Empty State */
.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    text-align: center;
}

.empty-state-icon {
    font-size: 3.5rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    opacity: 0.3;
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.empty-state h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--text-muted);
    max-width: 400px;
    font-size: 0.875rem;
    line-height: 1.5;
}

/* Dialogue Active Mode */
.dialogue-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
}

/* Three Column Body Layout */
.dialogue-body-layout {
    display: flex;
    flex: 1;
    min-height: 0;
    width: 100%;
}

.dialogue-timeline-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.dialogue-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: rgba(9, 9, 11, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
}

.session-info {
    display: flex;
    flex-direction: column;
}

.session-title-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.session-title-row .star-btn {
    margin-left: 0.25rem;
}

.session-title-row h2 {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.session-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.25rem;
}

.meta-item {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.3px;
}

.state-badge {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 0.1rem 0.4rem;
    border-radius: var(--radius-inner);
    font-weight: 600;
    font-size: 0.65rem;
    text-transform: uppercase;
}

/* Timeline/Chat Area */
.timeline {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    background: radial-gradient(circle at 50% 50%, rgba(24, 24, 27, 0.15) 0%, transparent 100%);
}

/* Chat Bubbles with staggered fade-in animations */
.message-row {
    display: flex;
    width: 100%;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.message-row.user {
    justify-content: flex-end;
}

.message-row.assistant {
    justify-content: flex-start;
}

.bubble {
    max-width: 65%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-base);
    font-size: 0.875rem;
    line-height: 1.5;
    position: relative;
    box-shadow: var(--shadow-2xs);
    border: 1px solid var(--border-color);
    transition: transform var(--transition-speed) ease;
}

.message-row.user .bubble {
    background: rgba(24, 24, 27, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--text-primary);
    border-bottom-right-radius: var(--radius-inner);
}

.message-row.assistant .bubble {
    background: rgba(9, 9, 11, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--text-primary);
    border-bottom-left-radius: var(--radius-inner);
    border-left: 3px solid var(--text-primary);
}

.bubble-time {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
    text-align: right;
    display: block;
}

/* Dialogue Details Sidebar Panel (Glassmorphism) */
.dialogue-details-panel {
    width: 300px;
    background: rgba(24, 24, 27, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    min-height: 0;
    animation: fadeIn var(--transition-speed) ease both;
    z-index: 10;
}

@media (max-width: 768px) {
    .dialogue-details-panel {
        display: none;
    }
}

.details-panel-header {
    padding: 1.15rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.details-panel-header h3 {
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.details-panel-header h3 i {
    color: var(--text-muted);
}

.details-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.details-section {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.details-section.border-none {
    border-bottom: none;
    padding-bottom: 0;
}

.details-section h4 {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.details-section h4 i {
    font-size: 0.75rem;
}

.details-grid {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    gap: 1rem;
}

.detail-row.flex-col-detail {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
}

.detail-label {
    color: var(--text-muted);
    font-weight: 500;
}

.detail-value {
    color: var(--text-primary);
    text-align: right;
    font-weight: 500;
}

.detail-value.highlighted-budget {
    font-weight: 600;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 0.1rem 0.5rem;
    border-radius: var(--radius-inner);
}

.detail-tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    width: 100%;
}

.detail-tag {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 0.1rem 0.4rem;
    border-radius: var(--radius-inner);
    display: inline-block;
}

/* Agent Log Blocks */
.agent-log-block {
    background: rgba(24, 24, 27, 0.25);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-control);
    margin: 0.1rem 1rem;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    animation: fadeIn 0.35s ease both;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.agent-log-block:hover {
    background: rgba(24, 24, 27, 0.35);
    border-color: var(--border-color-focus);
}

.log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.8rem;
}

.log-header-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.log-header-title i {
    font-size: 0.85rem;
    color: var(--text-primary);
}

.log-toggle-icon {
    transition: transform var(--transition-speed);
}

.agent-log-block.open .log-toggle-icon {
    transform: rotate(180deg);
}

.log-body {
    margin-top: 0.6rem;
    display: none;
    border-top: 1px solid var(--border-color);
    padding-top: 0.6rem;
    animation: fadeIn var(--transition-speed) ease-out;
}

.agent-log-block.open .log-body {
    display: block;
}

.log-body pre {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: #cbd5e1;
    background: #09090b;
    padding: 0.6rem;
    border-radius: var(--radius-control);
    overflow-x: auto;
    border: 1px solid var(--border-color);
    white-space: pre-wrap;
    word-break: break-all;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-control);
    border: 1px solid var(--border-color);
    cursor: pointer;
    box-shadow: var(--shadow-2xs);
    transition: background-color var(--transition-speed), border-color var(--transition-speed), transform var(--transition-speed), box-shadow var(--transition-speed);
    user-select: none;
    box-sizing: border-box;
}

.btn-primary {
    background: #fafafa;
    border-color: transparent;
    color: #09090b;
    box-shadow: var(--shadow-2xs);
}

.btn-primary:hover {
    background: #e4e4e7;
    transform: translateY(-0.5px);
    box-shadow: var(--shadow-xs);
}

.btn-secondary {
    background: rgba(24, 24, 27, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: rgba(24, 24, 27, 0.75);
    color: var(--text-primary);
    border-color: var(--border-color-focus);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    background: rgba(24, 24, 27, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-control);
}

.btn-icon:hover {
    background: rgba(24, 24, 27, 0.75);
    color: var(--text-primary);
}

.btn-mini-icon {
    width: 20px;
    height: 20px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    border-radius: var(--radius-inner);
    transition: all var(--transition-speed);
}

.btn-mini-icon:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

/* Spinner & Loading */
.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid rgba(255, 255, 255, 0.05);
    border-top: 2px solid var(--text-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 2.5rem 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    animation: fadeIn 0.4s ease both;
}

.hidden {
    display: none !important;
}

/* Admin Tabs Navigation */
.admin-nav-tabs {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0 1.25rem 0.75rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 0.25rem;
}

.nav-tab {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.6rem;
    padding: 0.5rem 0.85rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--radius-control);
    background: transparent;
    border: 1px solid transparent;
    transition: all var(--transition-speed);
}

.nav-tab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.nav-tab.active {
    color: var(--text-primary);
    background: rgba(24, 24, 27, 0.45);
    border-color: var(--border-color);
}

.sidebar-header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1.25rem 0.6rem;
}

.sidebar-header-actions span {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.sidebar-header-actions .btn-mini {
    padding: 2px 6px;
    background: rgba(24, 24, 27, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-inner);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.7rem;
    transition: all var(--transition-speed);
}

.sidebar-header-actions .btn-mini:hover {
    color: var(--text-primary);
    background: rgba(24, 24, 27, 0.75);
}

/* Analytics Dashboard Layout */
.analytics-layout {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow-y: auto;
    padding: 1.5rem 2rem;
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
}

.analytics-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.analytics-title h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.analytics-title p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 0.15rem;
}

.period-selectors {
    display: flex;
    background: rgba(24, 24, 27, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-control);
    padding: 3px;
}

.period-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-inner);
    transition: all var(--transition-speed);
}

.period-btn:hover {
    color: var(--text-primary);
}

.period-btn.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

/* Grid Layouts with Glassmorphism Cards */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.chart-card {
    background: rgba(24, 24, 27, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-base);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    animation: fadeIn 0.4s ease-out both;
}

.chart-card h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.chart-card h3 i {
    color: var(--text-primary);
}

/* Custom Horizontal Bars */
.bar-list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.bar-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.bar-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 500;
}

.bar-label {
    color: var(--text-secondary);
}

.bar-val {
    color: var(--text-primary);
}

.bar-track {
    height: 6px;
    background: rgba(9, 9, 11, 0.5);
    border-radius: var(--radius-inner);
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.02);
}

.bar-fill {
    height: 100%;
    background: var(--text-primary);
    border-radius: var(--radius-inner);
    width: 0;
    transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Grid 2-column details */
.analytics-grid-two {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

@media (max-width: 960px) {
    .analytics-grid-two {
        grid-template-columns: 1fr;
    }
}

/* Table styling */
.custom-table-container {
    overflow-x: auto;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.8rem;
}

.custom-table th {
    padding: 0.6rem 0.85rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
}

.custom-table td {
    padding: 0.6rem 0.85rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.custom-table tr:hover td {
    background: rgba(255, 255, 255, 0.015);
}

/* Semantic Blocks Tabs & Cards */
.semantic-tabs {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.semantic-tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-family: var(--font-display);
    font-weight: 600;
    cursor: pointer;
    padding: 0.35rem 0.75rem;
    position: relative;
    transition: all var(--transition-speed);
}

.semantic-tab-btn:hover {
    color: var(--text-primary);
}

.semantic-tab-btn.active {
    color: var(--text-primary);
}

.semantic-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -13px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
}

.semantic-content {
    background: rgba(24, 24, 27, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-base);
    padding: 1.5rem;
    margin-bottom: 2rem;
    animation: fadeIn 0.35s ease both;
}

.semantic-card-layout {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .semantic-card-layout {
        grid-template-columns: 1fr;
    }
}

.semantic-left {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.semantic-left h4 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.recommendation-alert {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-control);
    padding: 1rem;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-secondary);
    position: relative;
    overflow: hidden;
}

.recommendation-alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--text-primary);
}

.recommendation-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.4rem;
}

.rec-tag {
    padding: 2px 8px;
    border-radius: var(--radius-inner);
    font-size: 0.7rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    background: #09090b;
    color: var(--text-secondary);
}

/* Right Cta panel */
.semantic-right {
    background: rgba(9, 9, 11, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-control);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.85rem;
}

.semantic-metric-box {
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
    margin-bottom: 0.25rem;
}

.semantic-metric-box:last-child {
    border: none;
    padding: 0;
    margin: 0;
}

.semantic-metric-val {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.semantic-metric-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.15rem;
}

/* Indicator badges */
.stock-badge {
    padding: 1px 6px;
    border-radius: var(--radius-inner);
    font-size: 0.7rem;
    font-weight: 500;
    display: inline-flex;
    border: 1px solid var(--border-color);
    background: #18181b;
}

.stock-badge.warning {
    color: var(--text-secondary);
}

.stock-badge.ok {
    color: var(--text-primary);
}

.metric-grid-three {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.85rem;
    margin-bottom: 1.25rem;
}

@media (max-width: 600px) {
    .metric-grid-three {
        grid-template-columns: 1fr;
    }
}

.mini-metric-card {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-control);
    padding: 0.75rem;
    text-align: center;
}

.mini-metric-val {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.mini-metric-lbl {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
}

/* Fallback badge styling */
.fallback-alert-banner {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-control);
    font-size: 0.8rem;
    margin-bottom: 1.25rem;
}

.fallback-alert-banner i {
    font-size: 0.95rem;
    color: var(--text-primary);
}

/* AI Think Button & AI Report Styles */
.btn-ai-think {
    background: var(--text-primary);
    color: #09090b;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-2xs);
}

.btn-ai-think::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: skewX(-25deg);
    transition: 0.75s;
    opacity: 0;
}

.btn-ai-think:hover::before {
    left: 125%;
    opacity: 1;
}

.btn-ai-think:hover {
    background: #e4e4e7;
    transform: translateY(-0.5px);
}

.btn-ai-think:active {
    transform: translateY(0);
}

.btn-ai-think i {
    animation: pulse-brain 2.5s infinite ease-in-out;
}

@keyframes pulse-brain {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.ai-report-card {
    background: rgba(24, 24, 27, 0.55);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-base);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
    animation: slideDownFade 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDownFade {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ai-report-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.6rem;
    margin-bottom: 0.85rem;
}

.ai-report-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.ai-report-title i {
    color: var(--text-primary);
    animation: rotateMagic 8s linear infinite;
}

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

.ai-report-body {
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.ai-report-body p {
    margin-bottom: 1rem;
}

.ai-report-body p:last-child {
    margin-bottom: 0;
}

.ai-report-body strong {
    color: var(--text-primary);
    font-weight: 600;
}

.ai-report-body ul, .ai-report-body ol {
    margin-bottom: 1rem;
    padding-left: 1.25rem;
}

.ai-report-body li {
    margin-bottom: 0.35rem;
}

.ai-report-body li::marker {
    color: var(--text-muted);
}

.ai-report-body li strong {
    color: var(--text-primary);
}

.ai-report-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1rem;
    gap: 0.75rem;
    color: var(--text-muted);
}

.ai-report-loading .spinner-large {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(255, 255, 255, 0.05);
    border-top: 3px solid var(--text-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Semantic Toggle Button-Group styles */
.semantic-toggle-group {
    display: inline-flex;
    background: rgba(24, 24, 27, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-control);
    padding: 3px;
}

.semantic-toggle-group .toggle-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 0.35rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-inner);
    transition: all 0.15s ease;
    outline: none;
    user-select: none;
}

.semantic-toggle-group .toggle-btn:hover {
    color: var(--text-secondary);
}

.semantic-toggle-group .toggle-btn.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

/* Favorite Filtering Tabs in Sidebar */
.sessions-filter-tabs {
    display: flex;
    padding: 0 1.25rem;
    margin-bottom: 0.5rem;
    gap: 0.35rem;
}

.sessions-filter-tabs .filter-tab {
    flex: 1;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.35rem;
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: var(--radius-control);
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

.sessions-filter-tabs .filter-tab:hover {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
}

.sessions-filter-tabs .filter-tab.active {
    background: rgba(24, 24, 27, 0.45);
    border-color: var(--border-color-focus);
    color: var(--text-primary);
}

/* Star Button in Dialogue Header */
.star-btn {
    transition: transform 0.15s ease, color 0.15s ease;
}

.star-btn:hover {
    transform: scale(1.1);
}

.star-btn.active i {
    color: var(--warning);
    font-weight: 900;
}

/* Dialogue timeline highlight animation */
@keyframes highlight-pulse {
    0% {
        box-shadow: 0 0 0 0px rgba(255, 255, 255, 0.25);
        background: rgba(255, 255, 255, 0.05);
    }
    50% {
        box-shadow: 0 0 0 6px rgba(255, 255, 255, 0);
        background: rgba(255, 255, 255, 0.1);
    }
    100% {
        box-shadow: 0 0 0 0px rgba(255, 255, 255, 0);
        background: transparent;
    }
}

.message-row.highlighted .bubble {
    animation: highlight-pulse 2s ease;
    border-color: var(--primary) !important;
}

/* Branch Routing Chart Section */
.branch-chart-section {
    margin: 1.25rem;
    background: rgba(24, 24, 27, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-base);
    overflow: hidden;
    transition: all 0.3s ease;
}

.branch-chart-header {
    padding: 0.85rem 1.1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.01);
    user-select: none;
    border-bottom: 1px solid transparent;
    transition: all 0.2s ease;
}

.branch-chart-header:hover {
    background: rgba(255, 255, 255, 0.02);
}

.branch-chart-header .chart-header-title {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.85rem;
}

.branch-chart-header .chart-toggle-icon {
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: transform 0.3s ease;
}

.branch-chart-section:has(.branch-chart-body.open) .branch-chart-header {
    border-bottom-color: var(--border-color);
}

.branch-chart-section:has(.branch-chart-body.open) .chart-toggle-icon {
    transform: rotate(180deg);
}

.branch-chart-body {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, padding 0.3s ease;
    padding: 0;
}

.branch-chart-body.open {
    max-height: 380px;
    opacity: 1;
    padding: 1rem;
}

.chart-placeholder {
    padding: 1.5rem 1rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* SVG Chart Elements */
.branch-chart-svg {
    width: 100%;
    height: 280px;
    background: transparent;
}

.chart-axis-line {
    stroke: rgba(255, 255, 255, 0.04);
    stroke-width: 1;
}

.chart-axis-text {
    fill: var(--text-muted);
    font-size: 9px;
    font-family: var(--font-sans);
}

.chart-row-line {
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 1;
    stroke-dasharray: 2 4;
}

.chart-line {
    fill: none;
    stroke: url(#chart-line-gradient);
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: drawChartPath 2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes drawChartPath {
    from {
        stroke-dashoffset: 1000;
    }
    to {
        stroke-dashoffset: 0;
    }
}

.chart-point-group {
    cursor: pointer;
    animation: scaleInPoint 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes scaleInPoint {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.chart-point-outer {
    fill: #18181b;
    stroke: var(--primary);
    stroke-width: 1.5;
    transition: r 0.2s ease, stroke-width 0.2s ease;
}

.chart-point-inner {
    fill: var(--primary);
    transition: r 0.2s ease;
}

.chart-point-group:hover .chart-point-outer {
    r: 6.5;
    stroke-width: 2.5;
    stroke: #ffffff;
}

.chart-point-group:hover .chart-point-inner {
    r: 3.5;
    fill: var(--primary);
}

/* Interactive SVG Tooltip */
.chart-tooltip-box {
    fill: #18181b;
    stroke: var(--border-color);
    stroke-width: 1;
    rx: 6;
    ry: 6;
}

.chart-tooltip-title {
    fill: #ffffff;
    font-size: 10px;
    font-weight: 600;
    font-family: var(--font-sans);
}

.chart-tooltip-text {
    fill: var(--text-secondary);
    font-size: 9px;
    font-family: var(--font-sans);
}

/* Layout & Utility Helper Classes */
main {
    flex: 1;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-info {
    padding: 1.25rem;
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.6;
}

.sidebar-info h4 {
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.sidebar-info h4 i {
    color: var(--text-primary);
}

.sidebar-info p {
    margin-top: 0.5rem;
}

.flex-col {
    display: flex;
    flex-direction: column;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-4 {
    margin-top: 1rem;
}

.mt-6 {
    margin-top: 1.5rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mb-6 {
    margin-bottom: 1.5rem;
}

.flex-between-center {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.analytics-header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.prompts-layout {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    width: 100%;
}

.prompts-title {
    display: flex;
    flex-direction: column;
}

.prompts-title h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.prompts-title p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 0.15rem;
}

.prompts-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}