/* ============================================
   RECORDS INSIGHT AI — v2
   Uses portfolio's site-wide CSS variables (style.css)
   Dark  = green/cyan/violet (--accent-primary etc)
   Light = amber/orange     (same vars, auto-swapped)
   Signature motif: "Record Morph" card + scope pill
   ============================================ */

html:has(.ri-hero) { scrollbar-gutter: stable; }

.ri-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 100px;
}

/* Particles */
.ri-particles { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.ri-particle {
    position: absolute;
    width: 4px; height: 4px;
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: 0;
    animation: riParticleFloat 8s ease-in-out infinite;
}
@keyframes riParticleFloat {
    0%, 100% { opacity: 0; transform: translateY(100vh) scale(0); }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { opacity: 0; transform: translateY(-20vh) scale(1); }
}

/* Orbs */
.ri-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    animation: riOrbFloat 25s ease-in-out infinite;
    pointer-events: none;
}
.ri-orb-1 { width: 400px; height: 400px; background: rgba(0, 255, 136, 0.08); top: 10%; left: 10%; }
.ri-orb-2 { width: 300px; height: 300px; background: rgba(0, 212, 255, 0.06); bottom: 15%; right: 10%; animation-delay: -10s; }
.ri-orb-3 { width: 250px; height: 250px; background: rgba(139, 92, 246, 0.05); top: 50%; right: 30%; animation-delay: -18s; }
[data-theme="light"] .ri-orb-1 { background: rgba(217, 119, 6, 0.06); }
[data-theme="light"] .ri-orb-2 { background: rgba(234, 88, 12, 0.05); }
[data-theme="light"] .ri-orb-3 { background: rgba(194, 65, 12, 0.04); }
@keyframes riOrbFloat {
    0%, 100% { transform: translateY(0) translateX(0); }
    33% { transform: translateY(-20px) translateX(15px); }
    66% { transform: translateY(15px) translateX(-10px); }
}

/* Pulse dots */
.ri-pulse-dot,
.ri-pulse-dot-sm {
    display: inline-block;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: pulse-glow 2s ease-in-out infinite;
    vertical-align: middle;
}
.ri-pulse-dot    { width: 8px; height: 8px; }
.ri-pulse-dot-sm { width: 6px; height: 6px; }

/* ============================================
   HERO LAYOUT
   ============================================ */
.ri-hero-inner {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: var(--space-4xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.ri-hero-content { z-index: 1; }

.ri-hero-title {
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.ri-hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 540px;
    line-height: 1.75;
    margin-bottom: var(--space-xl);
}
.ri-hero-desc em {
    color: var(--accent-primary);
    font-style: normal;
    font-weight: 600;
}

/* Capability chips */
.ri-hero-chips {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
}
.ri-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all var(--transition-base);
}
.ri-chip svg { color: var(--accent-primary); }
.ri-chip:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: var(--accent-glow);
}

/* Google / Disconnect button (matches AC/SI exactly) */
.ri-google-btn,
.ri-disconnect-btn { gap: var(--space-sm); margin-bottom: var(--space-sm); }
.ri-disconnect-btn:hover {
    background: rgba(239, 68, 68, 0.15) !important;
    border: 1px solid #ef4444 !important;
    color: #ef4444 !important;
    box-shadow: 0 0 30px rgba(239, 68, 68, 0.2);
    transform: scale(1.02);
}
.ri-disconnect-btn:hover svg { transform: none !important; }

.ri-auth-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.ri-privacy-note { font-size: 0.72rem; opacity: 0.7; margin-top: 4px; }

/* ============================================
   HERO RIGHT — Adcraft-style 4-stage showcase
   ============================================ */
.ri-hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 420px;
}

/* ============================================
   HERO SHOWCASE — Adcraft-style 4-stage pipeline
   ============================================ */
.ri-showcase {
    position: relative;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: border-color var(--transition-slow), box-shadow var(--transition-slow), transform var(--transition-slow);
}
.ri-showcase:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 24px var(--accent-glow), var(--shadow-glow);
    transform: translateY(-4px);
}
.ri-showcase-glow { display: none; }

/* Chrome bar */
.ri-showcase-chrome {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}
.ri-showcase-dots { display: flex; gap: 5px; }
.ri-showcase-dots span {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--border-color);
}
.ri-showcase-dots span:first-child { background: #ef4444; }
.ri-showcase-dots span:nth-child(2) { background: #f59e0b; }
.ri-showcase-dots span:nth-child(3) { background: #22c55e; }
[data-theme="light"] .ri-showcase-dots span:first-child { background: #fca5a5; }
[data-theme="light"] .ri-showcase-dots span:nth-child(2) { background: #fde68a; }
[data-theme="light"] .ri-showcase-dots span:nth-child(3) { background: #86efac; }

.ri-showcase-tab {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-muted);
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
}
.ri-showcase-tab svg { color: var(--accent-primary); }

/* Stage pills */
.ri-showcase-stages {
    display: flex;
    gap: 4px;
    padding: 10px 14px 6px;
}
.ri-showcase-pill {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-muted);
    font-size: 0.62rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}
.ri-showcase-pill-num {
    width: 15px; height: 15px;
    border-radius: 50%;
    background: var(--border-color);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.55rem;
    font-weight: 700;
    transition: all 0.3s ease;
    flex-shrink: 0;
}
.ri-showcase-pill-active {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: var(--accent-glow);
}
.ri-showcase-pill-active .ri-showcase-pill-num {
    background: var(--accent-primary);
    color: var(--bg-primary);
}
.ri-showcase-pill-done {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    opacity: 0.5;
}
.ri-showcase-pill-done .ri-showcase-pill-num {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* Viewport — fixed min-height so bottom never shifts */
.ri-showcase-viewport {
    position: relative;
    min-height: 300px;
    overflow: hidden;
}
.ri-showcase-panel {
    position: absolute;
    inset: 0;
    padding: 14px;
    min-height: 300px;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.ri-showcase-panel-active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: all;
}

/* Progress bar */
.ri-showcase-progress {
    height: 2px;
    background: var(--border-color);
}
.ri-showcase-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--gradient-primary);
    border-radius: 1px;
}

/* === Stage 0: Upload === */
.ri-sc-upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px;
    background: var(--bg-tertiary);
    border: 1px dashed var(--border-color);
    border-radius: 10px;
    text-align: center;
}
.ri-sc-upload-icon { color: var(--accent-primary); }
.ri-sc-upload-title {
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--text-primary);
}
.ri-sc-upload-hint {
    font-size: 0.62rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.ri-sc-file-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.ri-sc-file-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    animation: riScFadeIn 0.4s ease both;
}
.ri-sc-file-item:nth-child(1) { animation-delay: 0.1s; }
.ri-sc-file-item:nth-child(2) { animation-delay: 0.25s; }
.ri-sc-file-item:nth-child(3) { animation-delay: 0.4s; }
@keyframes riScFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}
.ri-sc-file-icon {
    width: 22px; height: 22px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}
.ri-sc-fi-rx  { background: var(--accent-glow); color: var(--accent-primary); }
.ri-sc-fi-inv { background: rgba(0, 212, 255, 0.1); color: var(--accent-secondary); }
.ri-sc-fi-lab { background: rgba(139, 92, 246, 0.1); color: var(--accent-tertiary); }
.ri-sc-fi-doc      { background: rgba(34, 197, 94, 0.1);  color: #22c55e; }
.ri-sc-fi-sheet    { background: rgba(6, 182, 212, 0.1);  color: #06b6d4; }
.ri-sc-fi-contract { background: rgba(244, 114, 182, 0.1); color: #f472b6; }
.ri-sc-fi-receipt  { background: rgba(251, 146, 60, 0.1);  color: #fb923c; }
.ri-sc-fi-cert     { background: rgba(250, 204, 21, 0.12); color: #eab308; }
[data-theme="light"] .ri-sc-fi-inv { background: rgba(234, 88, 12, 0.08); color: var(--accent-secondary); }
[data-theme="light"] .ri-sc-fi-lab { background: rgba(194, 65, 12, 0.08); color: var(--accent-tertiary); }
[data-theme="light"] .ri-sc-fi-doc      { background: rgba(180, 83, 9, 0.08);  color: #b45309; }
[data-theme="light"] .ri-sc-fi-sheet    { background: rgba(217, 119, 6, 0.08); color: #d97706; }
[data-theme="light"] .ri-sc-fi-contract { background: rgba(234, 88, 12, 0.08); color: #ea580c; }
[data-theme="light"] .ri-sc-fi-receipt  { background: rgba(245, 158, 11, 0.1); color: #f59e0b; }
[data-theme="light"] .ri-sc-fi-cert     { background: rgba(180, 83, 9, 0.1);   color: #b45309; }
.ri-sc-file-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.ri-sc-file-name {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-mono);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.ri-sc-file-meta {
    font-size: 0.58rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.ri-sc-file-check {
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--accent-primary);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* === Stage 1: OCR === */
.ri-sc-ocr-page {
    position: relative;
    padding: 12px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    flex: 1;
}
.ri-sc-ocr-line {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    color: var(--text-secondary);
    margin: 5px 0;
    line-height: 1.5;
    opacity: 0;
    animation: riScTypeIn 0.5s ease forwards;
}
.ri-sc-ocr-l1 { animation-delay: 0.2s; }
.ri-sc-ocr-l2 { animation-delay: 0.6s; }
.ri-sc-ocr-l3 { animation-delay: 1.0s; }
.ri-sc-ocr-l4 { animation-delay: 1.4s; }
.ri-sc-ocr-l5 { animation-delay: 1.8s; }
@keyframes riScTypeIn {
    from { opacity: 0; transform: translateX(-4px); }
    to { opacity: 1; transform: translateX(0); }
}
.ri-sc-ocr-scanline {
    position: absolute;
    left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    box-shadow: 0 0 12px var(--accent-primary);
    top: 0;
    animation: riScScan 2.4s ease-in-out infinite;
    z-index: 2;
}
@keyframes riScScan {
    0%   { top: 0; opacity: 0; }
    10%  { opacity: 1; }
    90%  { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}
.ri-sc-ocr-langs {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    justify-content: center;
}
.ri-sc-ocr-lang-pill {
    padding: 3px 8px;
    font-size: 0.58rem;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--accent-primary);
    background: var(--accent-glow);
    border: 1px solid var(--accent-primary);
    border-radius: 999px;
    letter-spacing: 0.03em;
}

/* === Stage 2: Classify === */
.ri-sc-classify-grid {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}
.ri-sc-class-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    animation: riScFadeIn 0.4s ease both;
}
.ri-sc-class-row:nth-child(1) { animation-delay: 0.1s; }
.ri-sc-class-row:nth-child(2) { animation-delay: 0.3s; }
.ri-sc-class-row:nth-child(3) { animation-delay: 0.5s; }
.ri-sc-class-row:nth-child(4) { animation-delay: 0.7s; }
.ri-sc-class-active {
    border-color: var(--accent-primary);
    background: var(--accent-glow);
}
.ri-sc-class-done .ri-sc-class-label { opacity: 0.75; }
.ri-sc-class-label {
    font-size: 0.58rem;
    font-weight: 700;
    color: var(--text-muted);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    min-width: 60px;
    flex-shrink: 0;
}
.ri-sc-class-value {
    flex: 1;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-mono);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.ri-sc-class-conf {
    display: inline-block;
    margin-left: 6px;
    padding: 1px 6px;
    font-size: 0.56rem;
    font-weight: 700;
    color: var(--accent-primary);
    background: var(--accent-glow);
    border-radius: 4px;
    letter-spacing: 0;
}

/* === Stage 3: Answer === */
.ri-sc-qa-wrap {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}
.ri-sc-qa-user {
    align-self: flex-end;
    max-width: 80%;
    padding: 6px 10px;
    background: var(--gradient-primary);
    color: var(--bg-primary);
    border-radius: 10px 10px 2px 10px;
    font-size: 0.7rem;
    font-weight: 600;
    animation: riScFadeIn 0.4s ease both 0.1s;
}
.ri-sc-qa-ai {
    align-self: flex-start;
    max-width: 95%;
    padding: 8px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px 10px 10px 2px;
    font-size: 0.7rem;
    color: var(--text-primary);
    line-height: 1.55;
    animation: riScFadeIn 0.4s ease both 0.6s;
}
.ri-sc-qa-ai strong { color: var(--accent-primary); }
.ri-sc-qa-cite {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 6px;
    padding: 2px 8px;
    font-size: 0.56rem;
    font-weight: 600;
    color: var(--accent-primary);
    background: var(--accent-glow);
    border: 1px solid var(--accent-primary);
    border-radius: 999px;
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
}

/* Tablet (≤1024px) */
@media (max-width: 1024px) {
    .ri-showcase { max-width: 380px; }
}

/* Mobile (≤768px) */
@media (max-width: 768px) {
    .ri-showcase { max-width: 100%; overflow: hidden; border-radius: 12px; }
    .ri-showcase-chrome { padding: 8px 12px; }
    .ri-showcase-tab { font-size: 0.64rem; }
    .ri-showcase-stages { padding: 8px 10px 4px; gap: 3px; }
    .ri-showcase-pill { padding: 3px 8px; font-size: 0.58rem; gap: 3px; }
    .ri-showcase-pill-num { width: 13px; height: 13px; font-size: 0.5rem; }
    .ri-showcase-viewport { min-height: 310px; overflow: hidden; }
    .ri-showcase-panel { padding: 10px; min-height: 310px; }
}

/* Small phone (≤480px) */
@media (max-width: 480px) {
    .ri-showcase-chrome { padding: 7px 10px; gap: 8px; }
    .ri-showcase-tab { font-size: 0.6rem; }
    .ri-showcase-stages { padding: 6px 8px 3px; gap: 2px; overflow-x: auto; scrollbar-width: none; }
    .ri-showcase-stages::-webkit-scrollbar { display: none; }
    .ri-showcase-pill { padding: 3px 7px; font-size: 0.54rem; flex-shrink: 0; }
    .ri-showcase-pill-num { width: 12px; height: 12px; font-size: 0.48rem; }
    .ri-showcase-viewport { min-height: 290px; }
    .ri-showcase-panel { padding: 8px; min-height: 290px; gap: 6px; }
    .ri-sc-upload-zone { padding: 8px 6px; }
    .ri-sc-upload-title { font-size: 0.68rem; }
    .ri-sc-upload-hint { font-size: 0.56rem; }
    .ri-sc-file-item { padding: 5px 8px; gap: 6px; }
    .ri-sc-file-icon { width: 20px; height: 20px; font-size: 0.68rem; }
    .ri-sc-file-name { font-size: 0.64rem; }
    .ri-sc-file-meta { font-size: 0.52rem; }
    .ri-sc-file-check { width: 14px; height: 14px; }
    .ri-sc-ocr-page { padding: 8px 10px; }
    .ri-sc-ocr-line { font-size: 0.6rem; margin: 3px 0; }
    .ri-sc-ocr-lang-pill { padding: 2px 6px; font-size: 0.54rem; }
    .ri-sc-class-row { padding: 5px 8px; gap: 6px; }
    .ri-sc-class-label { font-size: 0.54rem; min-width: 48px; }
    .ri-sc-class-value { font-size: 0.62rem; }
    .ri-sc-class-conf { font-size: 0.5rem; padding: 1px 4px; }
    .ri-sc-qa-user, .ri-sc-qa-ai { font-size: 0.64rem; }
    .ri-sc-qa-cite { font-size: 0.52rem; padding: 2px 6px; }
}

/* ============================================
   BADGES
   ============================================ */
.ri-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.ri-badge-ready {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}
.ri-badge-connected {
    background: var(--accent-glow);
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
    animation: riBadgePop 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes riBadgePop {
    0%   { transform: scale(0.8); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}
.ri-badge-live {
    background: var(--accent-glow);
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
}
.ri-badge-core {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-secondary);
    border: 1px solid rgba(0, 212, 255, 0.25);
}
.ri-badge-pro {
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent-tertiary);
    border: 1px solid rgba(139, 92, 246, 0.25);
}
[data-theme="light"] .ri-badge-core {
    background: rgba(234, 88, 12, 0.08);
    color: var(--accent-secondary);
    border-color: rgba(234, 88, 12, 0.15);
}
[data-theme="light"] .ri-badge-pro {
    background: rgba(194, 65, 12, 0.08);
    color: var(--accent-tertiary);
    border-color: rgba(194, 65, 12, 0.15);
}

.ri-auth-status { margin-bottom: var(--space-md); }

/* ============================================
   APP SECTION
   ============================================ */
.ri-app-section {
    padding: var(--space-2xl) 0 var(--space-4xl);
}

.ri-app-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: var(--space-xl);
    align-items: start;
}

/* Sidebar */
.ri-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    position: sticky;
    top: 100px;
}

.ri-sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-card);
}

.ri-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
    gap: var(--space-sm);
}
.ri-sidebar-header h3 {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}
.ri-sidebar-header h3 svg { color: var(--accent-primary); }

.ri-icon-btn {
    width: 32px; height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}
.ri-icon-btn:hover {
    color: var(--accent-primary);
    background: var(--accent-glow);
}

.ri-usage-chip {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    letter-spacing: 0.03em;
}
.ri-usage-chip.ri-usage-warning { color: #f59e0b; border-color: rgba(245, 158, 11, 0.3); background: rgba(245, 158, 11, 0.08); }
.ri-usage-chip.ri-usage-full    { color: #ef4444; border-color: rgba(239, 68, 68, 0.3); background: rgba(239, 68, 68, 0.08); }

/* Dropzone */
/* ===== Picker Zone (Drive picker entry point) ===== */
.ri-pickerzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 4px;
    padding: var(--space-xl) var(--space-md);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    background: transparent;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}
.ri-pickerzone::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, var(--accent-glow) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}
.ri-pickerzone:hover:not(.ri-pz-disabled):not(.ri-pz-loading-state) {
    border-color: var(--accent-primary);
    transform: scale(1.01);
}
.ri-pickerzone:hover:not(.ri-pz-disabled):not(.ri-pz-loading-state)::before { opacity: 0; }
.ri-pickerzone:active:not(.ri-pz-disabled):not(.ri-pz-loading-state) {
    transform: scale(0.99);
}
.ri-pickerzone.ri-pz-disabled {
    opacity: 0.55;
    cursor: not-allowed;
}
.ri-pickerzone.ri-pz-loading-state {
    cursor: wait;
}
.ri-pickerzone.ri-pz-error-state {
    border-color: rgba(239, 68, 68, 0.45);
    cursor: not-allowed;
}

.ri-pz-icon {
    color: var(--accent-primary);
    margin-bottom: 4px;
    position: relative;
    z-index: 1;
    transition: transform var(--transition-base);
}
.ri-pickerzone:hover:not(.ri-pz-disabled):not(.ri-pz-loading-state) .ri-pz-icon {
    transform: translateY(-2px) scale(1.05);
}
.ri-pz-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}
.ri-pz-sub {
    font-size: 0.82rem;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}
.ri-pz-limit {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-top: 4px;
    position: relative;
    z-index: 1;
}
.ri-pz-loading {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    position: relative;
    z-index: 1;
}
.ri-pz-spinner {
    width: 12px;
    height: 12px;
    border: 1.5px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: riPzSpin 0.8s linear infinite;
}
@keyframes riPzSpin {
    to { transform: rotate(360deg); }
}

/* Supported formats strip (under dropzone) */
.ri-format-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    align-items: center;
}
.ri-format-strip-label {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-right: 4px;
    flex-shrink: 0;
}
.ri-format-chip {
    display: inline-flex;
    align-items: center;
    padding: 2px 7px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.66rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    transition: all var(--transition-base);
}
.ri-format-chip:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: var(--accent-glow);
}
.ri-format-chip.ri-fc-image { color: var(--accent-primary); border-color: rgba(0,255,136,0.25); }
.ri-format-chip.ri-fc-pdf { color: var(--accent-secondary); border-color: rgba(0,212,255,0.25); }
.ri-format-chip.ri-fc-doc { color: var(--accent-tertiary); border-color: rgba(139,92,246,0.25); }
[data-theme="light"] .ri-format-chip.ri-fc-image { color: var(--accent-primary); border-color: rgba(217,119,6,0.25); }
[data-theme="light"] .ri-format-chip.ri-fc-pdf { color: var(--accent-secondary); border-color: rgba(234,88,12,0.25); }
[data-theme="light"] .ri-format-chip.ri-fc-doc { color: var(--accent-tertiary); border-color: rgba(194,65,12,0.25); }

/* Language selector */
.ri-lang-selector {
    margin-top: var(--space-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    overflow: hidden;
}
.ri-lang-selector summary {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    font-size: 0.82rem;
    color: var(--text-secondary);
    list-style: none;
    user-select: none;
    transition: background var(--transition-base);
}
.ri-lang-selector summary::-webkit-details-marker { display: none; }
.ri-lang-selector summary:hover { background: var(--bg-card-hover); }
.ri-lang-selector summary svg { color: var(--accent-primary); flex-shrink: 0; }
.ri-lang-selector summary > span:nth-child(2) { flex: 1; font-weight: 600; color: var(--text-primary); }

.ri-lang-badge {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--accent-primary);
    background: var(--accent-glow);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    border: 1px solid var(--accent-primary);
    font-weight: 600;
}

.ri-lang-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    padding: var(--space-sm) var(--space-md) var(--space-md);
    border-top: 1px solid var(--border-color);
}
.ri-lang-grid label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 2px 0;
}
.ri-lang-grid input[type="checkbox"] { accent-color: var(--accent-primary); cursor: pointer; }

/* File list */
.ri-file-list {
    max-height: 380px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.ri-file-item {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    transition: all var(--transition-base);
    position: relative;
    animation: riFileAppear 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes riFileAppear {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}
.ri-file-item:hover {
    border-color: var(--accent-primary);
    background: var(--accent-glow);
}

.ri-file-top {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.ri-file-kind-icon {
    width: 28px; height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--accent-primary);
    flex-shrink: 0;
}
.ri-file-kind-icon svg { width: 14px; height: 14px; }

.ri-file-meta-wrap { flex: 1; min-width: 0; }
.ri-file-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.ri-file-meta {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-top: 2px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.ri-file-type-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--accent-primary);
    background: var(--accent-glow);
    border: 1px solid var(--accent-primary);
    padding: 2px 7px;
    border-radius: var(--radius-full);
    margin-top: 4px;
    letter-spacing: 0.03em;
}

.ri-file-remove {
    width: 24px; height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    flex-shrink: 0;
}
.ri-file-remove:hover { color: #ef4444; background: rgba(239, 68, 68, 0.1); }
.ri-file-remove svg { width: 14px; height: 14px; }

.ri-file-item.ri-file-loading {
    border-color: var(--accent-primary);
    background: var(--accent-glow);
}
.ri-file-progress {
    height: 3px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
    margin-top: var(--space-sm);
}
.ri-file-progress-bar {
    height: 100%;
    width: 40%;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: riProgressSlide 1.2s ease-in-out infinite;
}
@keyframes riProgressSlide {
    0%   { margin-left: -40%; }
    100% { margin-left: 100%; }
}

.ri-empty-state {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    justify-content: center;
    padding: var(--space-xl) 0;
    color: var(--text-muted);
    font-size: 0.82rem;
    text-align: center;
}

/* Assistant mini-feed */
.ri-assistant-card { overflow: hidden; }
.ri-asst-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}
.ri-asst-avatar {
    width: 28px; height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    color: var(--accent-primary);
    flex-shrink: 0;
}
.ri-asst-name { font-size: 0.82rem; font-weight: 700; color: var(--text-primary); flex: 1; }
.ri-asst-status {
    font-size: 0.65rem;
    font-family: var(--font-mono);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-primary);
    padding: 2px 8px;
    background: var(--accent-glow);
    border-radius: var(--radius-full);
}
.ri-asst-feed { position: relative; min-height: 42px; }
.ri-asst-msg {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border-left: 2px solid var(--accent-primary);
    animation: riMsgReplace 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-theme="light"] .ri-asst-msg {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-left: 2px solid var(--accent-primary);
}
.ri-asst-msg.ri-asst-thinking { border-left-color: var(--accent-secondary); color: var(--accent-secondary); }
.ri-asst-msg.ri-asst-routing  { border-left-color: var(--accent-tertiary); color: var(--accent-tertiary); }
.ri-asst-msg.ri-asst-done     { border-left-color: var(--accent-primary); color: var(--accent-primary); font-weight: 600; }
.ri-asst-msg.ri-asst-error    { border-left-color: #ef4444; color: #f87171; }
.ri-asst-msg.ri-asst-exiting  { animation: riMsgExit 0.25s cubic-bezier(0.4, 0, 1, 1) forwards; }
@keyframes riMsgReplace { 0% { opacity: 0; transform: translateY(6px) scale(0.98); } 100% { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes riMsgExit    { 0% { opacity: 1; transform: translateY(0) scale(1); }      100% { opacity: 0; transform: translateY(-6px) scale(0.98); } }

/* ============================================
   CHAT
   ============================================ */
.ri-chat {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    min-height: 620px;
    max-height: 85vh;
    overflow: visible;
    position: sticky;
    top: 100px;
}

.ri-chat-topstack {
    position: relative;
    display: flex;
    flex-direction: column;
}

.ri-chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    gap: var(--space-sm);
    flex-wrap: wrap;
}
.ri-chat-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}
.ri-chat-title svg { color: var(--accent-primary); }

.ri-badges { display: flex; gap: var(--space-sm); align-items: center; }

/* ============================================
   QUERY SCOPE SELECTOR
   ============================================ */
.ri-scope-bar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    font-size: 0.82rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
    position: relative;
}
.ri-scope-label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.ri-scope-label svg { color: var(--accent-primary); }

.ri-scope-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: inherit;
}
.ri-scope-pill:hover {
    border-color: var(--accent-primary);
    background: var(--accent-glow);
    color: var(--accent-primary);
}
.ri-scope-pill.ri-scope-subset {
    border-color: var(--accent-primary);
    background: var(--accent-glow);
    color: var(--accent-primary);
}
.ri-scope-pill svg { transition: transform var(--transition-base); }
.ri-scope-pill.ri-scope-open svg.ri-chevron { transform: rotate(180deg); }

.ri-scope-count {
    background: var(--accent-primary);
    color: var(--bg-primary);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 1px 7px;
    border-radius: var(--radius-full);
    min-width: 18px;
    text-align: center;
}

.ri-scope-hint {
    color: var(--text-muted);
    font-size: 0.72rem;
    margin-left: auto;
    font-family: var(--font-mono);
}

/* Popover */
.ri-scope-popover {
    position: absolute;
    z-index: 100;
    top: calc(100% + 6px);
    left: 20px;
    transform: translateY(-6px) scale(0.96);
    min-width: 320px;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35), 0 0 40px var(--accent-glow);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}
[data-theme="light"] .ri-scope-popover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 40px var(--accent-glow);
}
.ri-scope-popover.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.ri-scope-popover-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}
.ri-scope-popover-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}
.ri-scope-popover-actions {
    display: flex;
    gap: var(--space-xs);
    font-size: 0.72rem;
}
.ri-scope-mini-btn {
    background: transparent;
    border: none;
    color: var(--accent-primary);
    font-family: var(--font-mono);
    font-weight: 600;
    cursor: pointer;
    padding: 3px 6px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.7rem;
}
.ri-scope-mini-btn:hover { background: var(--accent-glow); }

.ri-scope-list {
    max-height: 260px;
    overflow-y: auto;
    padding: 6px;
}
.ri-scope-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-base);
    user-select: none;
}
.ri-scope-row:hover { background: var(--bg-tertiary); }
.ri-scope-row input[type="checkbox"] {
    accent-color: var(--accent-primary);
    cursor: pointer;
    flex-shrink: 0;
    width: 16px; height: 16px;
}
.ri-scope-row-kind {
    width: 24px; height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--accent-primary);
    flex-shrink: 0;
}
.ri-scope-row-kind svg { width: 12px; height: 12px; }
.ri-scope-row-body { flex: 1; min-width: 0; }
.ri-scope-row-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.ri-scope-row-sub {
    font-size: 0.68rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-top: 1px;
}

.ri-scope-popover-footer {
    padding: var(--space-sm) var(--space-md);
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
    font-family: var(--font-mono);
}

/* Messages */
.ri-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.ri-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
    gap: var(--space-md);
}
.ri-welcome-icon { color: var(--accent-primary); opacity: 0.7; }
.ri-welcome h3 { font-size: 1.3rem; font-weight: 700; color: var(--text-primary); }
.ri-welcome p { color: var(--text-secondary); font-size: 0.95rem; max-width: 440px; line-height: 1.7; }

.ri-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    justify-content: center;
}
.ri-suggestion {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-base);
    cursor: pointer;
}
.ri-suggestion:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: var(--accent-glow);
}

.ri-msg {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    line-height: 1.7;
    animation: fadeUp 0.3s ease forwards;
    width: fit-content;
    max-width: 100%;
}
.ri-msg-user {
    align-self: flex-end;
    background: var(--gradient-primary);
    color: var(--bg-primary);
    border-bottom-right-radius: var(--radius-sm);
}
.ri-msg-ai {
    align-self: flex-start;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-bottom-left-radius: var(--radius-sm);
    white-space: normal;
    word-wrap: break-word;
}
.ri-msg-ai strong { font-weight: 700; color: var(--accent-primary); }
.ri-msg-ai code {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1px 6px;
    font-family: var(--font-mono);
    font-size: 0.85em;
}

.ri-msg-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-xs);
    align-self: flex-start;
    flex-wrap: wrap;
}
.ri-msg-rows {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}
.ri-msg-scope-tag {
    font-size: 0.68rem;
    font-family: var(--font-mono);
    color: var(--accent-primary);
    background: var(--accent-glow);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    border: 1px solid var(--accent-primary);
    font-weight: 600;
    align-self: flex-end;
    margin-top: 2px;
    margin-right: 4px;
}

.ri-msg-typing {
    align-self: flex-start;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    gap: 6px;
}
.ri-msg-typing span {
    width: 8px; height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: riTyping 1.2s ease-in-out infinite;
}
.ri-msg-typing span:nth-child(2) { animation-delay: 0.2s; }
.ri-msg-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes riTyping {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-6px); opacity: 1; }
}

.ri-input-bar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border-color);
}
.ri-input {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 0.95rem;
    outline: none;
    transition: all var(--transition-base);
}
.ri-input:focus { border-color: var(--accent-primary); box-shadow: 0 0 20px var(--accent-glow); }
.ri-input:disabled { opacity: 0.5; cursor: not-allowed; }
.ri-input::placeholder { color: var(--text-muted); }

.ri-send-btn { padding: var(--space-md); border-radius: var(--radius-md) !important; flex-shrink: 0; }
.ri-send-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Response sections */
.ri-bullet {
    color: var(--accent-primary);
    font-size: 0.55em;
    vertical-align: middle;
    margin-right: 2px;
    line-height: 1;
}
/* Markdown bullet list — block-level, guarantees prose→bullets line break */
.ri-md-list {
    list-style: none;
    padding: 0;
    margin: 8px 0 4px 0;
    display: block;
}
.ri-md-list li {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 2px 0;
    margin: 0;
    line-height: 1.6;
}
.ri-md-list li::before {
    content: '\25A0';                /* ■ filled square */
    color: var(--accent-primary);
    font-size: 0.6em;
    flex-shrink: 0;
    /* Nudge to optical centre of the cap-height — baseline alignment +
       small font-size leaves the square sitting too low otherwise */
    transform: translateY(-0.15em);
}
.ri-md-list li + li { margin-top: 2px; }
.ri-section {
    margin: 8px 0;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all var(--transition-base);
}
.ri-section:first-child { margin-top: 0; }
.ri-section-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-family: var(--font-mono);
}
.ri-section-icon { display: flex; align-items: center; flex-shrink: 0; opacity: 0.9; }
.ri-section-body { padding: 10px 14px 12px; font-size: 0.92rem; line-height: 1.7; }

.ri-section-answer { border-color: var(--accent-primary); background: var(--accent-glow); }
.ri-section-answer .ri-section-header {
    background: var(--accent-glow);
    color: var(--accent-primary);
    border-bottom: 1px solid var(--border-color);
}
.ri-section-answer .ri-section-body { color: var(--text-primary); }
.ri-section-answer .ri-section-body strong { color: var(--accent-primary); font-size: 1.05em; }

.ri-section-sources { border-color: rgba(0, 212, 255, 0.25); background: rgba(0, 212, 255, 0.04); }
.ri-section-sources .ri-section-header {
    background: rgba(0, 212, 255, 0.08);
    color: var(--accent-secondary);
    border-bottom: 1px solid rgba(0, 212, 255, 0.15);
}
.ri-section-sources .ri-section-body { color: var(--text-secondary); font-size: 0.88rem; }
[data-theme="light"] .ri-section-sources {
    border-color: rgba(234, 88, 12, 0.18);
    background: rgba(234, 88, 12, 0.03);
}
[data-theme="light"] .ri-section-sources .ri-section-header {
    background: rgba(234, 88, 12, 0.07);
    color: var(--accent-secondary);
    border-bottom: 1px solid rgba(234, 88, 12, 0.12);
}

.ri-section-interpretation { border-color: rgba(139, 92, 246, 0.25); background: rgba(139, 92, 246, 0.04); }
.ri-section-interpretation .ri-section-header {
    background: rgba(139, 92, 246, 0.08);
    color: var(--accent-tertiary);
    border-bottom: 1px solid rgba(139, 92, 246, 0.15);
}
.ri-section-interpretation .ri-section-body { color: var(--text-secondary); font-size: 0.88rem; }
[data-theme="light"] .ri-section-interpretation {
    border-color: rgba(194, 65, 12, 0.18);
    background: rgba(194, 65, 12, 0.03);
}
[data-theme="light"] .ri-section-interpretation .ri-section-header {
    background: rgba(194, 65, 12, 0.07);
    color: var(--accent-tertiary);
    border-bottom: 1px solid rgba(194, 65, 12, 0.12);
}

.ri-section-warning { border-color: rgba(244, 63, 94, 0.25); background: rgba(244, 63, 94, 0.04); }
.ri-section-warning .ri-section-header {
    background: rgba(244, 63, 94, 0.08);
    color: #fb7185;
    border-bottom: 1px solid rgba(244, 63, 94, 0.15);
}
.ri-section-warning .ri-section-icon { color: #fb7185; }
.ri-section-warning .ri-section-body { color: #fda4af; font-size: 0.88rem; }
[data-theme="light"] .ri-section-warning {
    border-color: rgba(202, 138, 4, 0.2);
    background: rgba(250, 204, 21, 0.04);
}
[data-theme="light"] .ri-section-warning .ri-section-header {
    background: rgba(250, 204, 21, 0.08);
    color: #a16207;
    border-bottom: 1px solid rgba(202, 138, 4, 0.12);
}
[data-theme="light"] .ri-section-warning .ri-section-icon { color: #a16207; }
[data-theme="light"] .ri-section-warning .ri-section-body { color: #854d0e; }

.ri-section-body > br:first-child { display: none; }
.ri-section-body > br:first-child + br { display: none; }

/* Citation pill — styles [filename.pdf] references inline */
.ri-cite {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    margin: 0 2px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: 0.7em;
    color: var(--accent-primary);
    font-weight: 600;
    vertical-align: baseline;
    white-space: nowrap;
    line-height: 1.4;
}
.ri-cite:hover {
    background: var(--accent-glow);
    border-color: var(--accent-primary);
}
.ri-cite svg { color: var(--accent-primary); flex-shrink: 0; }

/* Markdown table rendered in answers */
.ri-md-table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0;
    font-size: 0.88rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.ri-md-table thead {
    background: var(--accent-glow);
}
.ri-md-table th {
    text-align: left;
    padding: 8px 12px;
    font-weight: 700;
    color: var(--accent-primary);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border-color);
}
.ri-md-table td {
    padding: 7px 12px;
    color: var(--text-primary);
    border-top: 1px solid var(--border-color);
    vertical-align: top;
}
.ri-md-table tbody tr:first-child td { border-top: none; }
.ri-md-table tbody tr:hover { background: var(--bg-tertiary); }
.ri-md-table td strong { color: var(--accent-primary); }

/* ============================================
   ERROR / POPUP MODAL
   ============================================ */

.ri-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    transition: background var(--transition-smooth), backdrop-filter var(--transition-smooth);
    padding: var(--space-lg);
}

.ri-modal-overlay.ri-modal-visible {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.ri-modal-overlay.ri-modal-exiting {
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
}

.ri-modal-card {
    position: relative;
    overflow: hidden;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 40px 36px 32px;
    max-width: 420px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-card);
    transform: scale(0.88) translateY(30px);
    opacity: 0;
    transition: all var(--transition-smooth);
}

.ri-modal-visible .ri-modal-card {
    transform: scale(1) translateY(0);
    opacity: 1;
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.ri-modal-exiting .ri-modal-card {
    transform: scale(0.92) translateY(20px);
    opacity: 0;
    border-color: var(--border-color);
    box-shadow: var(--shadow-card);
}

.ri-modal-accent-bar {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition-smooth);
}

.ri-modal-visible .ri-modal-accent-bar {
    transform: scaleX(1);
}

.ri-modal-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #ef4444;
    margin-bottom: var(--space-md);
}

.ri-modal-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.ri-modal-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: var(--space-xl);
    white-space: pre-line;
}

.ri-modal-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 140px;
    border-radius: 15px;
    padding: var(--space-md) var(--space-2xl);
    font-size: 0.95rem;
    font-weight: 600;
    background: var(--gradient-primary);
    color: var(--bg-primary);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px var(--accent-glow);
    transition: all var(--transition-base);
    overflow: hidden;
    isolation: isolate;
}

.ri-modal-btn:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-glow);
}

.ri-modal-btn:active {
    transform: scale(0.98);
}

/* Button container */
.ri-modal-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Ghost / Cancel button */
.ri-modal-btn-ghost {
    background: transparent !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-secondary) !important;
    box-shadow: none !important;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.ri-modal-btn-ghost::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.ri-modal-btn-ghost:hover::before {
    transform: translateX(100%);
}

.ri-modal-btn-ghost:hover {
    border-color: var(--accent-primary) !important;
    color: var(--accent-primary) !important;
    transform: scale(1.025);
}

.ri-modal-btn-ghost:active {
    transform: scale(0.97);
}

/* Confirm / Danger button */
.ri-modal-btn-danger {
    background: var(--gradient-primary) !important;
    color: var(--bg-primary) !important;
    border: none !important;
    box-shadow: 0 4px 20px var(--accent-glow) !important;
}

.ri-modal-btn-danger:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-glow) !important;
}

.ri-modal-btn-danger:active {
    transform: scale(0.97);
}

/* Icon variants */
.ri-modal-icon-confirm {
    background: var(--accent-glow);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.ri-modal-icon-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.ri-modal-icon-warning {
    background: rgba(245, 158, 11, 0.10);
    border-color: rgba(245, 158, 11, 0.25);
    color: #f59e0b;
}

/* ============================================
   Query Usage Chip + Rate-Limit Modal
   ============================================ */
.ri-query-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    font-size: 0.72rem;
    font-weight: 600;
    font-family: var(--font-mono, monospace);
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    line-height: 1.2;
    transition: all var(--transition-base);
    white-space: nowrap;
}
.ri-query-chip .ri-qc-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-primary);
    box-shadow: 0 0 6px var(--accent-glow);
    flex-shrink: 0;
    display: inline-block;
}
.ri-query-chip .ri-qc-reset {
    color: var(--text-muted);
    font-size: 0.68rem;
    font-weight: 500;
    margin-left: 2px;
}
.ri-query-chip.ri-qc-warning {
    color: #f59e0b;
    border-color: rgba(245, 158, 11, 0.3);
    background: rgba(245, 158, 11, 0.08);
}
.ri-query-chip.ri-qc-warning .ri-qc-dot {
    background: #f59e0b;
    box-shadow: 0 0 6px rgba(245, 158, 11, 0.4);
}
.ri-query-chip.ri-qc-full {
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.08);
}
.ri-query-chip.ri-qc-full .ri-qc-dot {
    background: #ef4444;
    box-shadow: 0 0 6px rgba(239, 68, 68, 0.4);
}

/* ---- Rate Limit Modal ---- */
.ri-ratelimit-card .ri-modal-text { margin-bottom: var(--space-md); }
.ri-ratelimit-timer {
    font-family: var(--font-mono, monospace);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: inline-block;
    text-align: center;
}
.ri-ratelimit-countdown {
    font-weight: 700;
    color: var(--accent-primary);
    font-size: 0.95rem;
}
.ri-ratelimit-status {
    font-size: 0.84rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    line-height: 1.4;
}
.ri-ratelimit-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
    background: var(--text-muted);
    opacity: 0.45;
}
.ri-ratelimit-dot.on {
    background: var(--accent-primary);
    box-shadow: 0 0 6px var(--accent-glow);
    opacity: 1;
}
.ri-ratelimit-contact {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
    text-align: center;
}
.ri-ratelimit-email {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    font-family: var(--font-mono, monospace);
    font-size: 0.8rem;
}
.ri-ratelimit-email:hover { text-decoration: underline; }

@media (max-width: 768px) {
    .ri-query-chip { font-size: 0.68rem; padding: 3px 8px; }
    .ri-query-chip .ri-qc-reset { display: none; }
}
@media (max-width: 480px) {
    .ri-ratelimit-status { font-size: 0.78rem; flex-wrap: wrap; }
    .ri-ratelimit-timer { font-size: 0.78rem; }
    .ri-ratelimit-contact { font-size: 0.75rem; }
    .ri-ratelimit-email { font-size: 0.72rem; }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .ri-hero-inner {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
    .ri-showcase,
    .ri-sc-ocr-page,
    .ri-sc-ocr-line,
    .ri-sc-file-name,
    .ri-sc-file-meta,
    .ri-sc-class-label,
    .ri-sc-class-value,
    .ri-sc-qa-user,
    .ri-sc-qa-ai { text-align: left; }
    .ri-hero-content { order: 1; }
    .ri-hero-visual  { order: 2; }
    .ri-hero-desc { margin: 0 auto var(--space-xl); }
    .ri-hero-chips { justify-content: center; }

    .ri-app-layout { grid-template-columns: 1fr; gap: var(--space-md); }
    .ri-app-section { min-height: auto; }

    .ri-sidebar {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-md);
    }
    .ri-uploader-card { grid-column: 1 / -1; }
    .ri-chat { position: static; max-height: none; min-height: 500px; }
}

@media (max-width: 768px) {
    .ri-hero {
        padding: calc(var(--space-xl) + 60px) var(--space-md) var(--space-xl);
        min-height: auto;
        align-items: flex-start;
    }
    .ri-hero-inner { gap: var(--space-lg); }
    .ri-hero-title { font-size: clamp(1.8rem, 7vw, 2.8rem); }
    .ri-hero-desc  { font-size: 0.95rem; max-width: 100%; }
    .ri-hero-chips { gap: var(--space-sm); flex-direction: row; flex-wrap: wrap; justify-content: center; }
    .ri-chip { font-size: 0.78rem; padding: 6px 10px; }
    .ri-hero-visual { min-height: auto; margin-top: -5px; }

    .ri-google-btn, .ri-disconnect-btn {
        width: 100%;
        justify-content: center;
        padding: var(--space-md) var(--space-lg) !important;
        font-size: 16px !important;
        min-height: 48px;
        border-radius: 12px !important;
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
    .ri-auth-note { font-size: 0.72rem; text-align: center; }
    .ri-auth-status { text-align: center; }
    .ri-badge-ready,
    .ri-badge-connected { font-size: 0.6rem; padding: 3px 8px; white-space: nowrap; }

    .ri-app-section { padding: var(--space-md) 0 var(--space-xl); min-height: auto; }
    .ri-app-section .section-container {
        padding: 0 var(--space-sm);
        max-width: 100%;
        overflow-x: hidden;
        box-sizing: border-box;
    }
    .ri-app-layout { display: flex !important; flex-direction: column !important; gap: var(--space-sm); width: 100%; }
    .ri-sidebar {
        display: flex !important;
        flex-direction: column !important;
        grid-template-columns: unset !important;
        gap: var(--space-sm);
        position: static;
        width: 100%;
    }
    .ri-sidebar-card { padding: var(--space-md); border-radius: var(--radius-md); width: 100%; box-sizing: border-box; }
    .ri-pickerzone { padding: var(--space-lg) var(--space-md); }
    .ri-pz-icon svg { width: 28px; height: 28px; }
    .ri-pz-title { font-size: 0.9rem; }
    .ri-pz-sub { font-size: 0.78rem; }
    .ri-pz-limit { font-size: 0.66rem; }
    .ri-format-strip { padding: var(--space-xs) var(--space-sm); gap: 3px; }
    .ri-format-chip { font-size: 0.62rem; padding: 1px 5px; }
    .ri-format-strip-label { font-size: 0.62rem; }
    .ri-file-list { max-height: 260px; }

    .ri-chat {
        position: static;
        min-height: 60vh;
        max-height: none;
        border-radius: var(--radius-md);
        overflow: visible;
        width: 100%;
        box-sizing: border-box;
    }
    .ri-chat-header { padding: var(--space-sm) var(--space-md); }
    .ri-chat-title  { font-size: 0.84rem; }
    .ri-scope-bar { padding: 6px var(--space-md); font-size: 0.76rem; }
    .ri-scope-popover { min-width: 280px; max-width: calc(100vw - 2 * var(--space-md)); left: var(--space-sm); }

    .ri-messages    { padding: var(--space-md); max-height: 55vh; }
    .ri-welcome     { padding: var(--space-xl) var(--space-md); }
    .ri-welcome-icon svg { width: 32px; height: 32px; }
    .ri-welcome h3 { font-size: 1.1rem; }
    .ri-welcome p  { font-size: 0.88rem; }
    .ri-suggestion { font-size: 0.76rem; padding: 6px 12px; }

    .ri-msg { font-size: 0.9rem; padding: var(--space-sm) var(--space-md); max-width: 100%; word-break: break-word; }
    .ri-msg-user { max-width: 85%; }

    .ri-input-bar { padding: var(--space-sm) var(--space-md); gap: var(--space-sm); }
    .ri-input { font-size: 16px; padding: 10px var(--space-md); min-height: 44px; }
    .ri-send-btn {
        width: 44px; height: 44px;
        min-width: 44px; max-width: 44px;
        padding: 0;
        display: flex; align-items: center; justify-content: center;
    }
    .ri-send-btn svg { width: 18px; height: 18px; }
    .ri-section-header { padding: 6px 10px; font-size: 0.72rem; gap: 6px; }
    .ri-section-body { padding: 8px 10px 10px; font-size: 0.86rem; line-height: 1.6; }
}

@media (max-width: 480px) {
    .ri-hero { padding: calc(var(--space-lg) + 50px) var(--space-xs) var(--space-lg); }
    .ri-hero-title { font-size: clamp(1.5rem, 8vw, 2.2rem); }
    .ri-hero-desc  { font-size: 0.88rem; line-height: 1.6; }
    .ri-chip { font-size: 0.74rem; padding: 5px 8px; }
    .ri-hero-visual { min-height: auto; }
    .ri-auth-note { font-size: 0.68rem; }
    .ri-badge-ready,
    .ri-badge-connected { font-size: 0.55rem; padding: 2px 6px; }

    .ri-app-section .section-container { padding: 0 4px; }
    .ri-app-layout { gap: 4px; }
    .ri-sidebar-card { padding: var(--space-sm); border-radius: var(--radius-sm); }
    .ri-pickerzone { padding: var(--space-md) var(--space-sm); }

    .ri-lang-grid { grid-template-columns: 1fr; }
    .ri-suggestions {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 5px;
        width: 100%;
    }
    .ri-suggestion { width: 100%; text-align: center; padding: 8px 6px; font-size: 0.72rem; line-height: 1.3; }
    .ri-msg { font-size: 0.86rem; padding: 8px 10px; }
    .ri-msg-user { max-width: 90%; }
    .ri-input { font-size: 16px; padding: 10px; min-height: 42px; }
    .ri-send-btn { width: 42px; height: 42px; min-width: 42px; max-width: 42px; }
}

/* Default = All files -> text first, badge after */
.ri-scope-pill {
    display: inline-flex;
    align-items: center;
}

.ri-scope-pill #riScopeText {
    order: 1;
}

.ri-scope-pill #riScopeCount {
    order: 2;
}

.ri-scope-pill .ri-chevron {
    order: 3;
}

/* Subset mode = badge first, then / total files */
.ri-scope-pill.ri-scope-subset #riScopeCount {
    order: 1;
}

.ri-scope-pill.ri-scope-subset #riScopeText {
    order: 2;
}

.ri-scope-pill.ri-scope-subset .ri-chevron {
    order: 3;
}

/* Only remove-file confirm button gets disconnect-style hover */
.ri-modal-btn-remove-file:hover {
    background: rgba(239, 68, 68, 0.15) !important;
    border: 1px solid #ef4444 !important;
    color: #ef4444 !important;
    box-shadow: 0 0 30px rgba(239, 68, 68, 0.2) !important;
    transform: scale(1.02);
}

.ri-modal-btn-remove-file:active {
    transform: scale(0.98);
}