/* ==========================================================================
   TeamHush - Enterprise Anonymous Pulse & Trust Architecture CSS
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
    min-height: 100vh;
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 7px;
    height: 7px;
}
::-webkit-scrollbar-track {
    background: var(--bg-surface);
}
::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* App Wrapper */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.top-header {
    background: var(--bg-surface-glass);
    backdrop-filter: var(--blur-glass);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0.75rem 1.5rem;
}

.header-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 0 0 15px var(--primary-glow);
}

.brand-title-wrap {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(90deg, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-tagline {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.security-badge {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-full);
    padding: 0.35rem 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.8rem;
    font-weight: 500;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--primary);
    border-radius: 50%;
    position: relative;
}

.pulse-dot::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background-color: var(--primary);
    border-radius: 50%;
    animation: ripple 2s infinite ease-out;
}

@keyframes ripple {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(2.6); opacity: 0; }
}

.pulse-dot.danger {
    background-color: var(--danger);
}
.pulse-dot.danger::after {
    background-color: var(--danger);
}

.header-stats {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.stat-pill {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.stat-pill strong {
    color: var(--text-primary);
}

/* Navigation Tabs */
.nav-tabs-bar {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0 1.5rem;
}

.nav-tabs-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
}

.nav-tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.85rem 1.15rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.02);
}

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

.tab-badge {
    background: var(--danger);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.1rem 0.45rem;
    border-radius: var(--radius-full);
}

/* ==========================================================================
   Main Content Layout
   ========================================================================== */
.main-content {
    max-width: 1440px;
    margin: 0 auto;
    width: 100%;
    padding: 1.5rem;
    flex: 1;
}

.tab-view {
    display: none;
    animation: fadeIn 0.25s ease-in-out;
}

.tab-view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   KPI Metrics Grid
   ========================================================================== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.4rem;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.kpi-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-medium);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--border-subtle);
}

.kpi-card.emerald::before { background: var(--primary); }
.kpi-card.cyan::before { background: var(--accent-cyan); }
.kpi-card.indigo::before { background: var(--accent-indigo); }
.kpi-card.danger::before { background: var(--danger); }
.kpi-card.warning::before { background: var(--warning); }

.kpi-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.6rem;
}

.kpi-title {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.kpi-icon {
    font-size: 1.1rem;
    opacity: 0.8;
}

.kpi-body {
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
}

.kpi-value {
    font-size: 1.85rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.kpi-trend {
    font-size: 0.78rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.2rem;
}

.kpi-trend.positive { color: var(--success); }
.kpi-trend.neutral { color: var(--text-muted); }
.kpi-trend.negative { color: var(--danger); }

.kpi-subtext {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

/* ==========================================================================
   AI Burnout & Sentiment Radar Panel
   ========================================================================== */
.ai-radar-panel {
    background: linear-gradient(135deg, rgba(23, 31, 48, 0.95) 0%, rgba(20, 24, 38, 0.95) 100%);
    border: 1px solid rgba(16, 185, 129, 0.25);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4), 0 0 15px rgba(16, 185, 129, 0.08);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.ai-radar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.ai-title-wrap {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.ai-badge {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
    color: #000;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.ai-title {
    font-size: 1.15rem;
    font-weight: 700;
}

.ai-actions {
    display: flex;
    gap: 0.6rem;
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 1px solid var(--border-medium);
    background: var(--bg-surface-elevated);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.btn-sm:hover {
    background: var(--bg-card-hover);
    border-color: var(--text-secondary);
}

.btn-primary {
    background: var(--primary);
    color: #000;
    border: none;
    font-weight: 600;
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 0 12px var(--primary-glow);
}

/* Sentiment Bar */
.sentiment-bar-container {
    margin-bottom: 1.25rem;
}

.sentiment-bar-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.sentiment-bar-labels span strong {
    color: var(--text-primary);
}

.sentiment-split-bar {
    height: 10px;
    background: var(--bg-surface);
    border-radius: var(--radius-full);
    overflow: hidden;
    display: flex;
}

.sentiment-seg.positive { background: var(--primary); }
.sentiment-seg.neutral { background: var(--text-muted); }
.sentiment-seg.negative { background: var(--danger); }

/* Burnout Alert Banner */
.burnout-alert-banner {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.35);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
    animation: alertPulse 3s infinite ease-in-out;
}

@keyframes alertPulse {
    0%, 100% { border-color: rgba(239, 68, 68, 0.35); }
    50% { border-color: rgba(239, 68, 68, 0.75); }
}

.burnout-alert-text {
    font-size: 0.86rem;
    color: #fca5a5;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

/* AI Summary Details (Expandable) */
.ai-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.25rem;
}

.ai-summary-col {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1rem;
}

.ai-col-title {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.ai-col-title.positive { color: var(--primary); }
.ai-col-title.negative { color: #f87171; }
.ai-col-title.action { color: var(--accent-cyan); }

.ai-bullet-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.ai-bullet-list li {
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding-left: 1.2rem;
    position: relative;
    line-height: 1.45;
}

.ai-bullet-list li::before {
    content: '•';
    position: absolute;
    left: 0.2rem;
    color: var(--primary);
    font-weight: bold;
}

.ai-summary-col:nth-child(2) .ai-bullet-list li::before {
    color: #f87171;
}

.ai-summary-col:nth-child(3) .ai-bullet-list li::before {
    color: var(--accent-cyan);
}

/* ==========================================================================
   Charts Section
   ========================================================================== */
.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 1024px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
}

.chart-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.chart-card-title {
    font-size: 0.95rem;
    font-weight: 700;
}

.chart-legend-custom {
    display: flex;
    gap: 0.85rem;
    font-size: 0.76rem;
    color: var(--text-secondary);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.chart-wrapper {
    position: relative;
    height: 260px;
    width: 100%;
}

/* ==========================================================================
   Department Filter & K-Anonymity Guard Bar
   ========================================================================== */
.filter-toolbar {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 0.85rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.filter-left {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-wrap: wrap;
}

.filter-label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.select-custom {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-medium);
    color: var(--text-primary);
    padding: 0.4rem 0.85rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    font-family: inherit;
    cursor: pointer;
    outline: none;
    transition: border-color var(--transition-fast);
}

.select-custom:focus {
    border-color: var(--primary);
}

/* K-Anonymity Lockout Notice */
.k-lock-banner {
    display: none;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid var(--danger);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    animation: fadeIn 0.2s ease-in;
}

.k-lock-banner.visible {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.k-lock-icon {
    font-size: 1.6rem;
    color: var(--danger);
    flex-shrink: 0;
}

.k-lock-content {
    flex: 1;
}

.k-lock-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: #f87171;
    margin-bottom: 0.35rem;
}

.k-lock-desc {
    font-size: 0.82rem;
    color: #fca5a5;
    line-height: 1.45;
}

/* ==========================================================================
   Feedback Cards Grid
   ========================================================================== */
.feedbacks-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feedback-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    transition: all var(--transition-fast);
    position: relative;
}

.feedback-card:hover {
    border-color: var(--border-medium);
    background: var(--bg-card-hover);
}

.feedback-card.burnout-flagged {
    border-color: rgba(239, 68, 68, 0.45);
    background: linear-gradient(90deg, rgba(239, 68, 68, 0.08) 0%, var(--bg-card) 60%);
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.card-left-meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.score-badge {
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.8rem;
}

.score-badge.high { background: var(--success-bg); color: var(--success); }
.score-badge.mid { background: var(--warning-bg); color: var(--warning); }
.score-badge.low { background: var(--danger-bg); color: var(--danger); }

.card-right-tags {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.tag-chip {
    font-size: 0.72rem;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

.tag-chip.burnout {
    background: var(--danger-bg);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.3);
    font-weight: 700;
}

.feedback-text {
    font-size: 0.92rem;
    color: var(--text-primary);
    line-height: 1.55;
    margin-bottom: 1rem;
}

.card-bottom-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-subtle);
    padding-top: 0.75rem;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.action-status-select {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-medium);
    color: var(--text-secondary);
    padding: 0.25rem 0.6rem;
    font-size: 0.78rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.thread-count-badge {
    font-size: 0.78rem;
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: rgba(6, 182, 212, 0.1);
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
}

/* ==========================================================================
   Anonymous 1-on-1 Thread Drawer (Slide-Over)
   ========================================================================== */
.thread-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: none;
}

.thread-drawer-overlay.open {
    display: flex;
    justify-content: flex-end;
}

.thread-drawer {
    width: 100%;
    max-width: 580px;
    height: 100%;
    background: var(--bg-surface);
    border-left: 1px solid var(--border-medium);
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    animation: slideLeft 0.25s ease-out;
}

@keyframes slideLeft {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

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

.drawer-title-group h3 {
    font-size: 1.05rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.drawer-title-group p {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

.btn-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.3rem;
    cursor: pointer;
}

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

.drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.original-feedback-box {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1rem;
    font-size: 0.88rem;
}

.thread-messages-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.msg-bubble {
    display: flex;
    flex-direction: column;
    max-width: 88%;
}

.msg-bubble.employee {
    align-self: flex-start;
}

.msg-bubble.manager {
    align-self: flex-end;
}

.msg-meta {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    display: flex;
    gap: 0.4rem;
}

.msg-bubble.manager .msg-meta {
    align-self: flex-end;
}

.msg-content {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    line-height: 1.45;
}

.msg-bubble.employee .msg-content {
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    color: var(--text-primary);
    border-top-left-radius: 2px;
}

.msg-bubble.manager .msg-content {
    background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary) 100%);
    color: #000;
    font-weight: 500;
    border-top-right-radius: 2px;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.drawer-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-surface-elevated);
}

.relay-notice-bar {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
}

.reply-form {
    display: flex;
    gap: 0.6rem;
}

.input-reply {
    flex: 1;
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-sm);
    padding: 0.65rem 0.85rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
}

.input-reply:focus {
    border-color: var(--primary);
}

/* ==========================================================================
   Public Action Board (Roadmap)
   ========================================================================== */
.board-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.kanban-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

@media (max-width: 900px) {
    .kanban-grid {
        grid-template-columns: 1fr;
    }
}

.kanban-col {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.15rem;
    display: flex;
    flex-direction: column;
}

.kanban-col-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-subtle);
}

.col-title {
    font-size: 0.92rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.col-count {
    background: var(--bg-surface-elevated);
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.kanban-cards-stack {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    flex: 1;
}

.action-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1rem;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.action-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-medium);
}

.action-category {
    font-size: 0.72rem;
    color: var(--accent-cyan);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.35rem;
}

.action-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.action-quote {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-style: italic;
    background: rgba(0, 0, 0, 0.2);
    padding: 0.4rem 0.6rem;
    border-left: 2px solid var(--border-medium);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: 0.75rem;
}

.action-resolution {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.45;
    margin-bottom: 0.85rem;
}

.action-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-subtle);
    padding-top: 0.6rem;
}

.reaction-btn {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    padding: 0.2rem 0.55rem;
    color: var(--text-primary);
    font-size: 0.76rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: all var(--transition-fast);
}

.reaction-btn:hover {
    border-color: var(--primary);
    background: var(--primary-glow);
}

/* ==========================================================================
   Kudos Wall
   ========================================================================== */
.kudos-section {
    margin-top: 2rem;
    border-top: 1px solid var(--border-subtle);
    padding-top: 1.5rem;
}

.kudos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 1rem;
}

.kudos-card {
    background: linear-gradient(135deg, rgba(23, 31, 48, 0.9) 0%, rgba(35, 25, 45, 0.8) 100%);
    border: 1px solid rgba(139, 92, 246, 0.25);
    border-radius: var(--radius-md);
    padding: 1.15rem;
    position: relative;
    overflow: hidden;
}

.kudos-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-purple);
    margin-bottom: 0.5rem;
}

.kudos-recipient {
    font-size: 1rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.4rem;
}

.kudos-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.45;
    margin-bottom: 0.85rem;
}

/* ==========================================================================
   Trust & K-Anonymity Lab
   ========================================================================== */
.lab-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.lab-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lab-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.interactive-sandbox {
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    padding: 1.25rem;
}

.slider-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.slider-custom {
    flex: 1;
    accent-color: var(--primary);
    cursor: pointer;
}

.crypto-flow-diagram {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-top: 1rem;
}

@media (max-width: 800px) {
    .crypto-flow-diagram {
        grid-template-columns: 1fr;
    }
}

.flow-step {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 0.85rem;
    text-align: center;
    position: relative;
}

.flow-step-num {
    width: 22px;
    height: 22px;
    background: var(--primary);
    color: #000;
    font-weight: 800;
    font-size: 0.75rem;
    border-radius: 50%;
    margin: 0 auto 0.4rem auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flow-step-title {
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.flow-step-desc {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* Toast Notification */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    pointer-events: none;
}

.toast {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-medium);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.25rem;
    font-size: 0.85rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    pointer-events: auto;
    animation: toastIn 0.25s ease-out;
}

.toast.success { border-color: var(--success); }
.toast.danger { border-color: var(--danger); }

@keyframes toastIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}