/* ============================================
Bio-RAG — Dark Theme Medical UI
============================================ */

/* --- CSS Variables --- */
:root {
--bg-primary: #0a0a0f;
--bg-secondary: #12121a;
--bg-sidebar: #0e0e16;
--bg-header: rgba(10, 10, 15, 0.8);
--bg-input: #16161f;
--bg-user-msg: #1a2a42;
--bg-hover: rgba(255, 255, 255, 0.04);
--bg-card: rgba(255, 255, 255, 0.03);
--bg-card-hover: rgba(255, 255, 255, 0.07);
--bg-safe: rgba(46, 204, 113, 0.06);
--bg-flagged: rgba(231, 76, 60, 0.06);

--text-primary: #e8e8ed;
--text-secondary: #8b8b9e;
--text-muted: #55556a;
--text-user: #ffffff;

--accent: #4a9eff;
--accent-hover: #6bb3ff;
--safe: #2ecc71;
--flagged: #e74c3c;
--warning: #f39c12;

--border: rgba(255, 255, 255, 0.06);
--border-light: rgba(255, 255, 255, 0.1);
--border-input: rgba(255, 255, 255, 0.12);

--shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
--shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
--shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);

--sidebar-width: 260px;
--header-height: 56px;
--chat-max-width: 800px;
--input-max-width: 800px;

--font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
--font-mono: 'IBM Plex Mono', 'Consolas', monospace;

--radius-sm: 8px;
--radius-md: 12px;
--radius-lg: 18px;
--radius-pill: 24px;
--radius-round: 50%;

--transition-fast: 150ms ease;
--transition-normal: 250ms ease;
--transition-slow: 400ms ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
margin: 0;
padding: 0;
box-sizing: border-box;
}

html {
font-size: 15px;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}

body {
font-family: var(--font-body);
background: var(--bg-primary);
color: var(--text-primary);
line-height: 1.65;
display: flex;
height: 100vh;
overflow: hidden;
}

button {
font-family: inherit;
cursor: pointer;
border: none;
background: none;
color: inherit;
font-size: inherit;
}

textarea {
font-family: inherit;
font-size: inherit;
color: inherit;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
width: 5px;
}

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

::-webkit-scrollbar-thumb {
background: rgba(255, 255, 255, 0.1);
border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
background: rgba(255, 255, 255, 0.18);
}

/* ============================================
SIDEBAR
============================================ */
.sidebar {
width: var(--sidebar-width);
height: 100vh;
background: var(--bg-sidebar);
border-right: 1px solid var(--border);
display: flex;
flex-direction: column;
flex-shrink: 0;
transition: transform var(--transition-normal), width var(--transition-normal);
z-index: 100;
}

.sidebar.collapsed {
transform: translateX(-100%);
width: 0;
border: none;
}

.sidebar.collapsed .sidebar-header {
display: none;
}

.sidebar-header {
padding: 12px;
display: flex;
align-items: center;
gap: 8px;
border-bottom: 1px solid var(--border);
}

.sidebar-toggle {
width: 36px;
height: 36px;
display: flex;
align-items: center;
justify-content: center;
border-radius: var(--radius-sm);
color: var(--text-secondary);
transition: background var(--transition-fast), color var(--transition-fast);
}

.sidebar-toggle:hover {
background: var(--bg-hover);
color: var(--text-primary);
}

.new-chat-btn {
flex: 1;
display: flex;
align-items: center;
justify-content: center;
gap: 6px;
padding: 8px 14px;
border-radius: var(--radius-sm);
border: 1px solid var(--border-light);
color: var(--text-secondary);
font-size: 0.85rem;
font-weight: 500;
transition: all var(--transition-fast);
}

.new-chat-btn:hover {
background: var(--bg-hover);
color: var(--text-primary);
border-color: var(--border-light);
}

.sidebar-history {
flex: 1;
overflow-y: auto;
padding: 12px 8px;
}

.history-section-title {
font-size: 0.7rem;
font-weight: 600;
color: var(--text-muted);
text-transform: uppercase;
letter-spacing: 1.2px;
padding: 8px 12px 4px;
margin-top: 8px;
}

.history-item {
display: block;
width: 100%;
text-align: left;
padding: 10px 12px;
border-radius: var(--radius-sm);
color: var(--text-secondary);
font-size: 0.85rem;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
transition: background var(--transition-fast), color var(--transition-fast);
}

.history-item:hover {
background: var(--bg-hover);
color: var(--text-primary);
}

.history-item.active {
background: var(--bg-card-hover);
color: var(--text-primary);
}

.sidebar-footer {
padding: 12px;
border-top: 1px solid var(--border);
}

.sidebar-badge {
display: flex;
align-items: center;
gap: 8px;
font-size: 0.75rem;
color: var(--text-muted);
padding: 8px 12px;
}

.badge-dot {
width: 6px;
height: 6px;
background: var(--safe);
border-radius: var(--radius-round);
animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
0%, 100% { opacity: 1; }
50% { opacity: 0.4; }
}

/* ============================================
MAIN AREA
============================================ */
.main {
flex: 1;
display: flex;
flex-direction: column;
height: 100vh;
min-width: 0;
position: relative;
}

/* --- HEADER --- */
.header {
height: var(--header-height);
display: flex;
align-items: center;
justify-content: space-between;
padding: 0 16px;
background: var(--bg-header);
backdrop-filter: blur(12px);
-webkit-backdrop-filter: blur(12px);
border-bottom: 1px solid var(--border);
position: sticky;
top: 0;
z-index: 50;
flex-shrink: 0;
}

.header-left {
display: flex;
align-items: center;
gap: 12px;
}

.header-menu-btn {
display: none;
width: 36px;
height: 36px;
align-items: center;
justify-content: center;
border-radius: var(--radius-sm);
color: var(--text-secondary);
transition: all var(--transition-fast);
}

.header-menu-btn:hover {
background: var(--bg-hover);
color: var(--text-primary);
}

.sidebar.collapsed ~ .main .header-menu-btn {
display: flex;
}

.header-brand {
display: flex;
align-items: center;
gap: 8px;
}

.brand-icon {
font-size: 1.4rem;
}

.brand-name {
font-weight: 700;
font-size: 1.05rem;
color: var(--text-primary);
letter-spacing: -0.3px;
}

.brand-tag {
font-size: 0.72rem;
color: var(--text-muted);
background: var(--bg-card);
padding: 2px 8px;
border-radius: var(--radius-sm);
border: 1px solid var(--border);
}

.header-right {
display: flex;
align-items: center;
gap: 4px;
}

.header-btn {
width: 36px;
height: 36px;
display: flex;
align-items: center;
justify-content: center;
border-radius: var(--radius-sm);
color: var(--text-secondary);
transition: all var(--transition-fast);
}

.header-btn:hover {
background: var(--bg-hover);
color: var(--text-primary);
}

/* ============================================
CHAT AREA
============================================ */
.chat-area {
flex: 1;
overflow-y: auto;
padding: 0 16px;
scroll-behavior: smooth;
}

/* --- WELCOME SCREEN --- */
.welcome {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
min-height: calc(100vh - var(--header-height) - 120px);
text-align: center;
padding: 40px 20px;
animation: fadeIn 0.6s ease;
}

.welcome-icon {
font-size: 3.5rem;
margin-bottom: 12px;
filter: drop-shadow(0 0 20px rgba(74, 158, 255, 0.2));
}

.welcome-title {
font-size: 2rem;
font-weight: 700;
color: var(--text-primary);
letter-spacing: -0.5px;
margin-bottom: 6px;
}

.welcome-subtitle {
font-size: 0.95rem;
color: var(--text-secondary);
margin-bottom: 8px;
}

.welcome-desc {
font-size: 0.82rem;
color: var(--text-muted);
max-width: 500px;
line-height: 1.7;
margin-bottom: 36px;
}

.suggestions {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 10px;
max-width: 560px;
width: 100%;
}

.suggestion-card {
display: flex;
align-items: flex-start;
gap: 10px;
padding: 14px 16px;
background: var(--bg-card);
border: 1px solid var(--border);
border-radius: var(--radius-md);
text-align: left;
color: var(--text-secondary);
font-size: 0.82rem;
line-height: 1.5;
transition: all var(--transition-normal);
}

.suggestion-card:hover {
background: var(--bg-card-hover);
border-color: var(--border-light);
color: var(--text-primary);
transform: translateY(-1px);
}

.suggestion-icon {
font-size: 1.1rem;
flex-shrink: 0;
margin-top: 1px;
}

.suggestion-text {
flex: 1;
}

/* --- MESSAGES --- */
.messages {
max-width: var(--chat-max-width);
margin: 0 auto;
padding: 24px 0 140px;
width: 100%;
}

.messages:empty {
display: none;
}

/* --- USER MESSAGE --- */
.msg-user {
display: flex;
justify-content: flex-end;
margin-bottom: 24px;
animation: msgIn 0.25s ease-out;
}

.msg-user-bubble {
max-width: 75%;
background: var(--bg-user-msg);
color: var(--text-user);
padding: 12px 18px;
border-radius: var(--radius-lg) var(--radius-lg) 4px var(--radius-lg);
font-size: 0.92rem;
line-height: 1.6;
word-wrap: break-word;
}

/* --- BOT MESSAGE --- */
.msg-bot {
display: flex;
align-items: flex-start;
gap: 12px;
margin-bottom: 28px;
animation: msgIn 0.25s ease-out;
}

.msg-bot-avatar {
width: 32px;
height: 32px;
display: flex;
align-items: center;
justify-content: center;
font-size: 1.2rem;
flex-shrink: 0;
margin-top: 2px;
background: var(--bg-card);
border-radius: var(--radius-sm);
border: 1px solid var(--border);
}

.msg-bot-content {
flex: 1;
min-width: 0;
}

.msg-bot-text {
color: var(--text-primary);
font-size: 0.92rem;
line-height: 1.75;
word-wrap: break-word;
}

.msg-bot-text p {
margin-bottom: 10px;
}

.msg-bot-text p:last-child {
margin-bottom: 0;
}

/* --- TYPING CURSOR --- */
.cursor {
display: inline-block;
width: 2px;
height: 1em;
background: var(--accent);
margin-left: 2px;
vertical-align: text-bottom;
animation: blink 0.8s step-end infinite;
}

@keyframes blink {
50% { opacity: 0; }
}

/* ============================================
THINKING STATE
============================================ */
.thinking {
display: flex;
align-items: flex-start;
gap: 12px;
margin-bottom: 28px;
animation: msgIn 0.25s ease-out;
}

.thinking-content {
display: flex;
flex-direction: column;
gap: 8px;
}

.thinking-dots {
display: flex;
gap: 4px;
padding: 4px 0;
}

.thinking-dot {
width: 7px;
height: 7px;
background: var(--text-muted);
border-radius: var(--radius-round);
animation: pulseDot 1.2s ease-in-out infinite;
}

.thinking-dot:nth-child(2) { animation-delay: 0.15s; }
.thinking-dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes pulseDot {
0%, 80%, 100% { transform: scale(0.6); opacity: 0.3; }
40% { transform: scale(1); opacity: 1; }
}

.thinking-step {
display: flex;
align-items: center;
gap: 8px;
font-size: 0.8rem;
color: var(--text-muted);
animation: fadeIn 0.4s ease;
}

.thinking-step.done {
color: var(--safe);
}

.thinking-step.active {
color: var(--text-secondary);
}

/* ============================================
VERIFICATION PANEL
============================================ */
.verification-panel {
margin-top: 16px;
border-radius: var(--radius-md);
border: 1px solid var(--border);
overflow: hidden;
background: var(--bg-card);
}

.verification-panel.safe {
border-left: 3px solid var(--safe);
}

.verification-panel.flagged {
border-left: 3px solid var(--flagged);
background: var(--bg-flagged);
}

.verification-summary {
display: flex;
align-items: center;
justify-content: space-between;
padding: 12px 16px;
cursor: pointer;
transition: background var(--transition-fast);
}

.verification-summary:hover {
background: var(--bg-hover);
}

.verification-info {
display: flex;
flex-direction: column;
gap: 2px;
}

.verification-status {
font-size: 0.88rem;
font-weight: 600;
display: flex;
align-items: center;
gap: 6px;
}

.verification-status.safe { color: var(--safe); }
.verification-status.flagged { color: var(--flagged); }

.verification-meta {
font-size: 0.75rem;
color: var(--text-muted);
}

.verification-toggle {
font-size: 0.78rem;
color: var(--text-muted);
display: flex;
align-items: center;
gap: 4px;
white-space: nowrap;
}

.verification-details {
max-height: 0;
overflow: hidden;
transition: max-height 0.4s ease;
}

.verification-details.open {
max-height: 2000px;
}

.verification-details-inner {
padding: 0 16px 16px;
border-top: 1px solid var(--border);
}

.claims-title {
font-size: 0.78rem;
font-weight: 600;
color: var(--text-muted);
text-transform: uppercase;
letter-spacing: 1px;
margin: 14px 0 10px;
}

/* --- CLAIM ITEM --- */
.claim-item {
padding: 10px 0;
border-bottom: 1px solid var(--border);
}

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

.claim-risk-bar-container {
display: flex;
align-items: center;
gap: 10px;
margin-bottom: 6px;
}

.claim-risk-bar {
flex: 1;
height: 4px;
background: rgba(255, 255, 255, 0.06);
border-radius: 2px;
overflow: hidden;
}

.claim-risk-bar-fill {
height: 100%;
border-radius: 2px;
transition: width 0.6s ease-out;
min-width: 1px;
}

.claim-risk-bar-fill.low { background: var(--safe); }
.claim-risk-bar-fill.medium { background: var(--warning); }
.claim-risk-bar-fill.high { background: var(--flagged); }

.claim-risk-value {
font-size: 0.72rem;
font-family: var(--font-mono);
color: var(--text-muted);
min-width: 42px;
text-align: right;
}

.claim-text {
font-size: 0.82rem;
color: var(--text-secondary);
line-height: 1.55;
}

/* --- EVIDENCE SECTION --- */
.evidence-title {
font-size: 0.78rem;
font-weight: 600;
color: var(--text-muted);
text-transform: uppercase;
letter-spacing: 1px;
margin: 18px 0 10px;
}

.evidence-item {
display: flex;
align-items: flex-start;
gap: 8px;
padding: 10px 12px;
background: rgba(255, 255, 255, 0.02);
border-radius: var(--radius-sm);
margin-bottom: 6px;
font-size: 0.8rem;
color: var(--text-secondary);
line-height: 1.5;
}

.evidence-icon {
flex-shrink: 0;
margin-top: 1px;
}

.evidence-text {
flex: 1;
overflow: hidden;
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
}

/* ============================================
INPUT BAR
============================================ */
.input-wrapper {
position: sticky;
bottom: 0;
z-index: 30;
flex-shrink: 0;
}

.input-fade {
height: 50px;
background: linear-gradient(to bottom, transparent, var(--bg-primary));
pointer-events: none;
}

.input-bar {
background: var(--bg-primary);
padding: 0 16px 16px;
}

.input-container {
max-width: var(--input-max-width);
margin: 0 auto;
display: flex;
align-items: flex-end;
gap: 8px;
background: var(--bg-input);
border: 1px solid var(--border-input);
border-radius: var(--radius-pill);
padding: 6px 6px 6px 20px;
transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-container:focus-within {
border-color: var(--accent);
box-shadow: 0 0 0 2px rgba(74, 158, 255, 0.1);
}

.input-field {
flex: 1;
background: transparent;
border: none;
outline: none;
color: var(--text-primary);
font-size: 0.92rem;
line-height: 1.5;
resize: none;
padding: 8px 0;
max-height: 120px;
overflow-y: auto;
}

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

.send-btn {
width: 36px;
height: 36px;
display: flex;
align-items: center;
justify-content: center;
border-radius: var(--radius-round);
background: var(--text-muted);
color: var(--bg-primary);
transition: all var(--transition-fast);
flex-shrink: 0;
opacity: 0.4;
}

.send-btn:not(:disabled) {
background: var(--accent);
opacity: 1;
cursor: pointer;
}

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

.send-btn:disabled {
cursor: not-allowed;
}

.input-disclaimer {
max-width: var(--input-max-width);
margin: 8px auto 0;
text-align: center;
font-size: 0.68rem;
color: var(--text-muted);
}

/* ============================================
ERROR MESSAGE
============================================ */
.msg-error {
display: flex;
align-items: flex-start;
gap: 12px;
margin-bottom: 28px;
animation: msgIn 0.25s ease-out;
}

.msg-error-content {
padding: 12px 16px;
background: var(--bg-flagged);
border: 1px solid rgba(231, 76, 60, 0.2);
border-radius: var(--radius-md);
color: var(--flagged);
font-size: 0.88rem;
line-height: 1.5;
}

/* ============================================
REJECTION MESSAGE
============================================ */
.msg-rejection {
padding: 12px 16px;
background: rgba(243, 156, 18, 0.06);
border: 1px solid rgba(243, 156, 18, 0.15);
border-radius: var(--radius-md);
color: var(--warning);
font-size: 0.88rem;
line-height: 1.5;
display: flex;
align-items: flex-start;
gap: 8px;
}

/* ============================================
ANIMATIONS
============================================ */
@keyframes fadeIn {
from { opacity: 0; }
to { opacity: 1; }
}

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

/* ============================================
RESPONSIVE
============================================ */
@media (max-width: 1024px) {
.sidebar {
position: fixed;
left: 0;
top: 0;
transform: translateX(-100%);
}

.sidebar.open {
transform: translateX(0);
}

.header-menu-btn {
display: flex !important;
}

.main {
width: 100%;
}
}

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

.msg-user-bubble {
max-width: 88%;
}

.welcome-title {
font-size: 1.6rem;
}

.brand-tag {
display: none;
}
}

/* ============================================
   INLINE RISK HIGHLIGHTING (Grammarly-style)
   ============================================ */
.risk-sentence {
    position: relative;
    cursor: help;
    transition: background var(--transition-fast);
}

.risk-sentence.risk-caution {
    text-decoration: underline;
    text-decoration-color: #f39c12;
    text-decoration-style: wavy;
    text-underline-offset: 4px;
    text-decoration-thickness: 1px;
    border-left: 2px solid #f39c12;
    padding-left: 6px;
    margin-left: 2px;
}

.risk-sentence.risk-danger {
    text-decoration: underline;
    text-decoration-color: #e74c3c;
    text-decoration-style: wavy;
    text-underline-offset: 4px;
    text-decoration-thickness: 1.5px;
    border-left: 2px solid #e74c3c;
    padding-left: 6px;
    margin-left: 2px;
}

.risk-sentence.risk-caution:hover {
    background: rgba(243, 156, 18, 0.08);
    border-radius: 3px;
}

.risk-sentence.risk-danger:hover {
    background: rgba(231, 76, 60, 0.08);
    border-radius: 3px;
}

/* Tooltip */
.risk-tooltip {
    display: none;
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: #1a1a2e;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 0.75rem;
    color: #e0e0e0;
    white-space: nowrap;
    z-index: 200;
    box-shadow: 0 4px 16px rgba(0,0,0,0.5);
    pointer-events: none;
}

.risk-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #1a1a2e;
}

.risk-tooltip .tooltip-risk {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 600;
}

.risk-tooltip .tooltip-risk.caution { color: #f39c12; }
.risk-tooltip .tooltip-risk.danger { color: #e74c3c; }

.risk-sentence:hover .risk-tooltip {
    display: block;
    animation: fadeIn 0.15s ease;
}

/* Highlight animation on load */
@keyframes highlightCaution {
    from { text-decoration-color: transparent; }
    to { text-decoration-color: #f39c12; }
}

@keyframes highlightDanger {
    from { text-decoration-color: transparent; }
    to { text-decoration-color: #e74c3c; }
}

.risk-sentence.risk-caution.animate-in {
    animation: highlightCaution 0.6s ease forwards;
}

.risk-sentence.risk-danger.animate-in {
    animation: highlightDanger 0.6s ease forwards;
}

/* ============================================
   DELETE CHAT FUNCTIONALITY
   ============================================ */
.history-item-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 4px;
}

.history-item-wrapper .history-item {
    flex: 1;
    min-width: 0;
}

.delete-chat-btn {
    opacity: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.history-item-wrapper:hover .delete-chat-btn {
    opacity: 1;
}

.delete-chat-btn:hover {
    background: rgba(231, 76, 60, 0.15);
    color: var(--flagged);
}

.header-delete-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.header-delete-btn:hover {
    background: rgba(231, 76, 60, 0.15);
    color: var(--flagged);
}

/* Delete confirmation modal */
.delete-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease;
}

.delete-modal.show {
    display: flex;
}

.delete-modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 24px;
    max-width: 400px;
    width: 90%;
    box-shadow: var(--shadow-lg);
    animation: msgIn 0.3s ease;
}

.delete-modal-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.delete-modal-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.delete-modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.delete-modal-btn {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.delete-modal-btn.cancel {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.delete-modal-btn.cancel:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.delete-modal-btn.confirm {
    background: var(--flagged);
    color: #ffffff;
}

.delete-modal-btn.confirm:hover {
    background: #c0392b;
}

/* ============================================
   PIPELINE PROGRESS — Compact Inline
   ============================================ */
.pipeline-progress {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    margin-bottom: 12px;
    animation: msgIn 0.3s ease-out;
    flex-wrap: wrap;
}

.pipeline-header {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    white-space: nowrap;
}

.pipeline-header-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulseDot 1.2s ease-in-out infinite;
}

.pipeline-header-dot.done {
    background: var(--safe);
    animation: none;
}

.pipeline-phases {
    display: flex;
    align-items: center;
    gap: 3px;
}

.pipeline-phase {
    display: contents;
}

.pipeline-phase-title {
    display: none;
}

.pipeline-steps {
    display: flex;
    align-items: center;
    gap: 3px;
}

.pipeline-step {
    position: relative;
    transition: all 0.3s ease;
}

.pipeline-step-icon {
    width: 14px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.5rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.pipeline-step-text {
    display: none;
}

.pipeline-step.pending .pipeline-step-icon {
    border: 1.5px solid var(--text-muted);
    opacity: 0.3;
}

.pipeline-step.active .pipeline-step-icon {
    border: 1.5px solid var(--accent);
    background: rgba(74, 158, 255, 0.15);
    animation: pulseDot 0.8s ease-in-out infinite;
}

.pipeline-step.done .pipeline-step-icon {
    border: none;
    background: var(--safe);
    color: #0a0a0f;
    font-weight: 700;
    animation: stepDone 0.3s ease;
}

@keyframes stepDone {
    0% { transform: scale(0.5); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

/* Tooltip on hover for each step */
.pipeline-step .step-tooltip {
    display: none;
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 0.65rem;
    color: var(--text-secondary);
    white-space: nowrap;
    z-index: 100;
    pointer-events: none;
}

.pipeline-step:hover .step-tooltip {
    display: block;
}

/* Phase separator */
.pipeline-phase-sep {
    width: 1px;
    height: 12px;
    background: var(--border-light);
    margin: 0 4px;
}

.pipeline-complete {
    display: none;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    font-weight: 500;
    margin-left: 4px;
}

.pipeline-complete.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.pipeline-complete.safe { color: var(--safe); }
.pipeline-complete.flagged { color: var(--flagged); }

.pipeline-complete-icon {
    font-size: 0.8rem;
}

.pipeline-current-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-left: 4px;
    white-space: nowrap;
    animation: fadeIn 0.2s ease;
}