/* ============================================================================
   CLEARPATH — DESIGN SYSTEM
   ============================================================================ */

:root {
    --primary: #0099cc;
    --primary-dark: #0077aa;
    --primary-light: #e0f4fa;
    --secondary: #6644dd;
    --secondary-light: #ede8ff;
    --accent: #00bbdd;
    --teal-deep: #1a2a3a;
    --teal-mid: #0099cc;
    --coral: #0099cc;
    --coral-dark: #0077aa;
    --coral-light: #e0f4fa;
    --mint: #e8fafa;
    --sand: #0099cc;
    --sand-light: #00bbdd;
    --gray-50:  #f0f6fa;
    --gray-100: #ffffff;
    --gray-200: #e4edf5;
    --gray-300: #c8d8e8;
    --gray-400: #9ab0c8;
    --gray-500: #6688a0;
    --gray-600: #445566;
    --gray-700: #2a3a4a;
    --gray-800: #1a2530;
    --gray-900: #0d1520;
    --radius: 8px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 4px rgba(0,80,140,.08);
    --shadow: 0 4px 20px rgba(0,80,140,.12);
    --shadow-lg: 0 8px 32px rgba(0,80,140,.16);
}

/* ============================================================================
   RESET & BASE
   ============================================================================ */

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================================================
   HEADER & NAV
   ============================================================================ */

.site-header {
    background: var(--teal-deep);
    border-bottom: none;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(0,60,100,.15);
}

.nav {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 68px;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.brand {
    text-decoration: none;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.brand-name {
    font-size: 2.4rem;
    font-weight: 900;
    color: white;
    letter-spacing: -1px;
    text-shadow: none;
}

.brand-clear { color: var(--coral); }
.brand-path  { color: white; }
.brand-split {
    background: linear-gradient(90deg, var(--coral) 50%, #ffffff 50%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.links {
    display: flex;
    gap: 0;
    flex: 1;
    justify-content: flex-end;
}

.links a {
    text-decoration: none;
    color: rgba(255,255,255,0.78);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.45rem 1.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.25);
    transition: all 0.2s;
    white-space: nowrap;
    letter-spacing: 0.01em;
}

.links a:hover {
    color: white;
    background: rgba(255,255,255,0.10);
    border-color: rgba(255,255,255,0.5);
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
}

.button.light {
    background: var(--coral);
    color: white;
}

.button.light:hover {
    background: var(--coral-dark);
    box-shadow: 0 4px 14px rgba(0,153,204,.4);
    transform: translateY(-1px);
}

.button.secondary {
    background: rgba(255,255,255,0.12);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
}

.button.secondary:hover {
    background: rgba(255,255,255,0.22);
    transform: translateY(-1px);
}

.button.primary {
    background: var(--coral);
    color: white;
}

.button.primary:hover {
    background: var(--coral-dark);
    box-shadow: 0 4px 12px rgba(0,153,204,.35);
    transform: translateY(-1px);
}

.button.full-width {
    width: 100%;
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.hero {
    background: linear-gradient(180deg, #f8fbff 0%, #edf5fb 100%);
    border-bottom: 1px solid var(--gray-200);
    padding: 1.75rem 2rem 1.5rem;
}

.hero-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.hero-copy {
    text-align: center;
    padding-top: 0;
}

.eyebrow {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary);
    margin-bottom: 0.75rem;
    display: block;
}

.hero-copy .eyebrow {
    font-size: 0.95rem;
    letter-spacing: 2px;
}

.hero-copy h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.25;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.hero-copy p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-tagline {
    font-size: 0.88rem !important;
    color: var(--primary-dark) !important;
    font-weight: 500;
    border-left: 3px solid var(--primary);
    padding-left: 0.75rem;
    margin-top: -0.75rem !important;
    font-style: italic;
}

.hero-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* ============================================================================
   CHAT SITE (upload + chat)
   ============================================================================ */

.chat-site {
    display: grid;
    grid-template-columns: 480px 1fr;
    gap: 0;
    height: 620px;
    background: var(--gray-100);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1.5px solid rgba(0,153,204,0.3);
}

/* ============================================================================
   UPLOAD PANE
   ============================================================================ */

.upload-pane {
    background: var(--gray-50);
    padding: 1.5rem;
    border-right: 1.5px solid rgba(0,120,180,0.18);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    overflow-y: auto;
}

.pane-title {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.pane-title h2 {
    font-size: 1rem;
    color: var(--gray-900);
    font-weight: 700;
}

.secure {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.7rem;
    color: var(--primary);
    font-weight: 700;
    background: var(--primary-light);
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
}

.dot {
    width: 6px;
    height: 6px;
    background: var(--secondary);
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.field label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.4rem;
}

.field select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1.5px solid rgba(0,153,204,0.3);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--gray-800);
    background: var(--gray-100);
    cursor: pointer;
    font-family: inherit;
    appearance: auto;
}

.field select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13,115,119,.15);
}

/* ── Drop zone ─────────────────────────────────────────────────────────────── */

.dropzone {
    display: block;
    border: 1.5px solid rgba(0,153,204,0.3);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    background: var(--gray-100);
    position: relative;
    overflow: hidden;
    min-height: 110px;
}

.dropzone:hover { border-color: var(--primary); background: var(--primary-light); }
.dropzone.drag-over { border-color: var(--primary); background: var(--primary-light); border-style: solid; }

#fileUpload { display: none; }

/* Idle state */
.dz-idle {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 1.4rem 1rem 1.2rem;
    text-align: center;
    color: var(--gray-500);
    transition: opacity 0.2s;
}

.dz-icon { color: var(--gray-400); margin-bottom: 0.15rem; }
.dz-idle strong { font-size: 0.85rem; color: var(--gray-800); display: block; }
.dz-sub { font-size: 0.72rem; }
.dz-types {
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.4px;
    color: var(--gray-400);
    text-transform: uppercase;
    margin-top: 0.1rem;
}

/* File selected state */
.dz-file {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 1rem;
}

.dz-file.visible { display: flex; }

.file-type-badge {
    flex-shrink: 0;
    width: 40px;
    height: 46px;
    background: var(--primary);
    color: white;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    position: relative;
}

.file-type-badge::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 0; height: 0;
    border-style: solid;
    border-width: 0 8px 8px 0;
    border-color: transparent rgba(255,255,255,0.4) transparent transparent;
    border-radius: 0 6px 0 0;
}

.file-meta { flex: 1; min-width: 0; }
.file-name-text {
    display: block;
    font-size: 0.8rem;
    color: var(--gray-900);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}

.file-size-text { font-size: 0.7rem; color: var(--gray-500); }

.dz-change-btn {
    flex-shrink: 0;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    border: 1.5px solid rgba(0,153,204,0.3);
    border-radius: 20px;
    padding: 0.25rem 0.6rem;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s;
}
.dz-change-btn:hover { background: var(--primary); color: white; }

/* ── Processing track ─────────────────────────────────────────────────────── */

.process-track {
    display: none;
    align-items: center;
    justify-content: space-between;
    background: var(--gray-100);
    border: 1.5px solid rgba(0,153,204,0.3);
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
    gap: 0;
}

.process-track.visible { display: flex; }

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    flex: 0 0 auto;
}

.process-step span {
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--gray-400);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.ps-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--gray-300);
    background: var(--gray-100);
    transition: all 0.3s;
    position: relative;
}

.process-connector {
    flex: 1;
    height: 2px;
    background: var(--gray-200);
    margin: 0 0.3rem;
    margin-bottom: 1.25rem;
    transition: background 0.3s;
}

/* Step states */
.process-step.active span { color: var(--secondary); }
.process-step.active .ps-dot {
    border-color: var(--primary);
    background: var(--primary-light);
}
.process-step.active .ps-dot::after {
    content: '';
    position: absolute;
    inset: 3px;
    border-radius: 50%;
    background: var(--primary);
    animation: ps-pulse 1s ease-in-out infinite;
}

.process-step.done span { color: var(--secondary); }
.process-step.done .ps-dot {
    border-color: var(--primary);
    background: var(--secondary);
}
.process-step.done .ps-dot::after {
    content: '✓';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    color: white;
    font-weight: 800;
    animation: none;
}

.process-connector.done { background: var(--secondary); }

@keyframes ps-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.7); }
}

/* ── Document ready card ──────────────────────────────────────────────────── */

.doc-ready-card {
    display: none;
    align-items: center;
    gap: 0.75rem;
    background: var(--primary-light);
    border: 1px solid rgba(16,185,129,.25);
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
}

.doc-ready-card.visible { display: flex; }

.doc-ready-check {
    width: 28px;
    height: 28px;
    background: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    animation: pop-in 0.3s cubic-bezier(.34,1.56,.64,1);
}

@keyframes pop-in {
    from { transform: scale(0); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}

.doc-ready-info { flex: 1; min-width: 0; }
.doc-ready-info strong { display: block; font-size: 0.8rem; color: var(--gray-900); font-weight: 700; }
.doc-ready-type { font-size: 0.7rem; color: var(--gray-500); white-space: nowrap; overflow: hidden;
    text-overflow: ellipsis; display: block; max-width: 140px; }

.doc-rescan-btn {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1.5px solid rgba(0,153,204,0.3);
    background: var(--gray-100);
    color: var(--gray-500);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s;
}
.doc-rescan-btn:hover { border-color: var(--secondary); color: var(--primary); }

/* ── Privacy note ─────────────────────────────────────────────────────────── */

.privacy-note {
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    font-size: 0.65rem;
    color: var(--gray-900);
    line-height: 1.5;
    padding: 0 0.1rem;
}
.privacy-note svg { flex-shrink: 0; margin-top: 1px; color: var(--gray-600); }

/* ── Analysis summary box ───────────────────────────────────────────────────── */

.analysis-summary-box {
    margin-top: 0.75rem;
    border: 2px solid rgba(0,153,204,0.5);
    border-radius: 10px;
    overflow: hidden;
    background: var(--gray-50);
    flex-shrink: 0;
    box-shadow: 0 2px 12px rgba(0,153,204,0.12);
}

.analysis-summary-box.summary-ready {
    animation: summaryPulse 0.5s ease;
}

@keyframes summaryPulse {
    0%   { box-shadow: 0 0 0 0 rgba(0,153,204,0.4); }
    70%  { box-shadow: 0 0 0 8px rgba(0,153,204,0); }
    100% { box-shadow: 0 2px 12px rgba(0,153,204,0.12); }
}

.asb-header {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.75rem;
    background: var(--primary);
    border-bottom: 1px solid rgba(0,153,204,0.3);
    font-size: 0.72rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.02em;
}

.asb-header svg { color: #fff; flex-shrink: 0; }

.asb-body {
    height: 230px;
    overflow-y: auto;
    padding: 0.65rem 0.85rem 0.85rem;
    font-size: 0.73rem;
    line-height: 1.6;
    color: var(--gray-700);
    word-break: break-word;
    scroll-behavior: smooth;
}

.asb-body::-webkit-scrollbar { width: 4px; }
.asb-body::-webkit-scrollbar-track { background: transparent; }
.asb-body::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 2px; }
.asb-body::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

.asb-section { margin-bottom: 0.65rem; }
.asb-section:last-child { margin-bottom: 0; }

.asb-label {
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--primary);
    margin-bottom: 0.2rem;
}

.asb-content p {
    margin: 0;
    color: var(--gray-700);
}

.asb-list {
    margin: 0;
    padding-left: 1rem;
    color: var(--gray-700);
}

.asb-list li {
    margin-bottom: 0.15rem;
}

.asb-list li:last-child { margin-bottom: 0; }

/* Checklist (Fix #3) */
.asb-checklist { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.4rem; }
.asb-check-item { display: flex; align-items: flex-start; gap: 0.5rem; cursor: pointer; }
.asb-checkbox { margin-top: 2px; flex-shrink: 0; accent-color: var(--secondary); width: 14px; height: 14px; cursor: pointer; }
.asb-check-text { font-size: 0.8rem; color: var(--gray-700); line-height: 1.4; transition: all 0.2s; }
.asb-checkbox:checked + .asb-check-text { text-decoration: line-through; color: var(--gray-400); }

.asb-complete-msg { margin-top: 0.75rem; padding: 0.55rem 0.75rem; background: #edfaf3; border: 1.5px solid #34c778; border-radius: 6px; font-size: 0.75rem; font-weight: 700; color: #1a7a45; line-height: 1.5; }

/* Emergency support bubble (Fix #2) */
.emergency-support-bubble { background: #fff5f5; border: 2px solid #dd2244; border-left: 5px solid #dd2244; padding: 0.9rem 1rem; border-radius: var(--radius-sm); max-width: 95%; }
.emergency-support-bubble.esb-high { background: #f5f0ff; border-color: #7744cc; border-left-color: #7744cc; }
.esb-header { font-size: 0.88rem; margin-bottom: 0.35rem; color: #bb1133; font-weight: 700; }
.emergency-support-bubble.esb-high .esb-header { color: #5533aa; }
.esb-sub { font-size: 0.75rem; color: var(--gray-600); margin-bottom: 0.6rem; font-weight: 500; }
.esb-agency { display: flex; align-items: baseline; flex-wrap: wrap; gap: 0.4rem 0.6rem; padding: 0.35rem 0; border-top: 1px solid #f0bbcc; }
.emergency-support-bubble.esb-high .esb-agency { border-top-color: #ddd0ee; }
.esb-agency:first-of-type { border-top: none; }
.esb-name { font-size: 0.78rem; font-weight: 700; color: var(--gray-800); }
.esb-phone { font-size: 0.84rem; font-weight: 700; color: #fff; text-decoration: none; background: #dd2244; padding: 0.15rem 0.55rem; border-radius: 20px; }
.emergency-support-bubble.esb-high .esb-phone { background: #7744cc; }
.esb-phone:hover { opacity: 0.85; }
.esb-note { font-size: 0.72rem; color: var(--gray-500); }

/* Crisis banner — injected at top of chat for critical docs */
.crisis-banner { background: #dd2244; color: #fff; border-radius: var(--radius-sm); padding: 0.75rem 1rem; margin-bottom: 0.25rem; max-width: 95%; }
.crisis-banner strong { font-size: 0.9rem; display: block; margin-bottom: 0.2rem; }
.crisis-banner span { font-size: 0.78rem; opacity: 0.92; }

/* Clarity prompt */
.clarity-prompt { display: flex; flex-direction: column; gap: 0.4rem; padding: 0.5rem 0.75rem; background: var(--gray-50); border-radius: 10px; width: fit-content; margin: 0.2rem 0 0.5rem 0; border: 1.5px solid rgba(0,153,204,0.3); }
.cp-row { display: flex; align-items: center; gap: 0.4rem; }
.cp-label { font-size: 0.72rem; color: var(--gray-500); white-space: nowrap; }
.cp-btn { font-size: 0.72rem; font-weight: 600; padding: 0.2rem 0.65rem; border-radius: 20px; border: 1.5px solid rgba(0,153,204,0.3); background: var(--gray-100); cursor: pointer; transition: all 0.15s; color: var(--gray-700); font-family: inherit; }
.cp-btn:hover { border-color: var(--secondary); color: var(--primary); }
.cp-simplify:hover { border-color: var(--coral); color: var(--coral); }
.cp-confirmed { font-size: 0.72rem; color: var(--gray-500); }
.cp-human { display: flex; align-items: center; justify-content: center; gap: 0.4rem; width: 100%; padding: 0.35rem 0.75rem; border-radius: 6px; border: 1.5px solid var(--primary); background: var(--primary); color: #fff; font-size: 0.75rem; font-weight: 700; cursor: pointer; transition: all 0.15s; font-family: inherit; }
.cp-human:hover { background: var(--primary-dark); border-color: var(--primary-dark); }

/* Human resources panel */
.human-resources-panel { background: var(--primary-light); border: 1.5px solid rgba(0,153,204,0.35); border-radius: var(--radius); padding: 0.85rem 1rem; margin: 0.25rem 0 0.5rem 0; }
.hrp-title { font-size: 0.72rem; font-weight: 700; color: var(--primary-dark); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.hrp-card { background: var(--gray-100); border-radius: var(--radius-sm); padding: 0.55rem 0.7rem; margin-bottom: 0.4rem; border: 1px solid rgba(0,120,180,0.15); }
.hrp-card:last-child { margin-bottom: 0; }
.hrp-card strong { font-size: 0.78rem; color: var(--gray-800); display: block; margin-bottom: 0.1rem; }
.hrp-card span { font-size: 0.73rem; color: var(--gray-600); display: block; margin-bottom: 0.15rem; }
.hrp-card a { font-size: 0.73rem; color: var(--primary); font-weight: 600; text-decoration: none; }
.hrp-card a:hover { text-decoration: underline; }

.asb-urgency-critical,
.asb-urgency-high,
.asb-urgency-medium {
    border-radius: 6px;
    padding: 0.5rem 0.6rem;
    margin-bottom: 0.65rem;
}
.asb-urgency-critical { background: #fde8ed; border-left: 3px solid #dd2244; }
.asb-urgency-high     { background: #f0ecff; border-left: 3px solid #7744cc; }
.asb-urgency-medium   { background: #e8f4ff; border-left: 3px solid #0088cc; }

.asb-urgency-badge {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    margin-bottom: 0.35rem;
}
.asb-urgency-critical .asb-urgency-badge { color: #ff9a9a; }
.asb-urgency-high     .asb-urgency-badge { color: var(--secondary); }
.asb-urgency-medium   .asb-urgency-badge { color: #0077aa; }

/* ============================================================================
   CHAT PANE
   ============================================================================ */

.chat-pane {
    display: flex;
    flex-direction: column;
    background: var(--gray-100);
    min-height: 0;
    overflow: hidden;
}

.chat-top {
    background: var(--gray-100);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.assistant-id {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.avatar {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--coral));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.assistant-id strong {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-900);
    font-weight: 700;
}

#chatStatus {
    font-size: 0.72rem;
    color: var(--primary);
    font-weight: 600;
}

.language-badge {
    background: var(--primary-light);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    border: 1.5px solid rgba(0,153,204,0.3);
}

#messages {
    flex: 1;
    overflow-y: scroll;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    scroll-behavior: smooth;
}

/* Scrollbar */
#messages::-webkit-scrollbar { width: 5px; }
#messages::-webkit-scrollbar-track { background: transparent; }
#messages::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 4px; }
#messages::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* Typing indicator */
.typing-indicator { display: flex !important; align-items: center; gap: 5px; }
.typing-indicator span {
    width: 7px; height: 7px; background: var(--gray-400); border-radius: 50%;
    animation: typing-bounce 1.2s infinite ease-in-out;
}
.typing-indicator span:nth-child(1) { animation-delay: 0s; }
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing-bounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-7px); }
}

.bubble {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    max-width: 88%;
    word-wrap: break-word;
    line-height: 1.55;
    font-size: 0.875rem;
}

.bubble.bot {
    background: var(--gray-100);
    color: var(--gray-800);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    border: 1.5px solid rgba(0,153,204,0.3);
}

.bubble.user {
    background: var(--primary);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    border: 1.5px solid rgba(0,153,204,0.3);
}

/* Analysis card bubbles */
.bubble.analysis-card-bubble {
    background: var(--gray-100);
    border: 1.5px solid rgba(0,153,204,0.3);
    padding: 0;
    overflow: hidden;
    max-width: 96%;
    align-self: stretch;
}

.acb-header {
    padding: 0.65rem 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    border-bottom: 1px solid var(--gray-100);
}

.acb-body {
    padding: 0.7rem 0.9rem;
    font-size: 0.83rem;
    line-height: 1.6;
    color: var(--gray-700);
}

.acb-item {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    padding: 0.4rem 0.55rem;
    border-radius: 6px;
    margin-bottom: 0.35rem;
}
.acb-item:last-child { margin-bottom: 0; }

.acb-item-num {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 800;
    margin-top: 1px;
}

.acb-item-text { flex: 1; font-size: 0.82rem; line-height: 1.5; }

/* Color themes for different card types */
.acb-blue .acb-header  { background: #e0f4fa; color: #0077aa; }
.acb-blue .acb-item    { background: rgba(0,153,204,.07); }
.acb-blue .acb-item-num { background: rgba(0,153,204,.2); color: #0077aa; }

.acb-amber .acb-header { background: #ede8ff; color: #5533bb; }
.acb-amber .acb-item   { background: rgba(102,68,221,.07); }
.acb-amber .acb-item-num { background: rgba(102,68,221,.2); color: var(--secondary); }

.acb-red .acb-header   { background: #e8fff8; color: #007755; }
.acb-red .acb-item     { background: rgba(220,38,38,.08); }
.acb-red .acb-item-num { background: rgba(220,38,38,.2); color: #ff9a9a; }
.acb-red .acb-item-num::before { content: '⚠'; font-size: 0.6rem; }

.acb-green .acb-header { background: #f0e8ff; color: #6644dd; }
.acb-green .acb-item   { background: rgba(16,185,129,.08); }
.acb-green .acb-item-num { background: rgba(16,185,129,.2); color: #6ee7b7; }

.acb-purple .acb-header { background: #e8f0ff; color: #3355cc; }
.acb-purple .acb-item   { background: rgba(209,232,226,.05); }
.acb-purple .acb-item-num { background: rgba(209,232,226,.12); color: #0077aa; }

.chat-form {
    border-top: 1px solid var(--gray-200);
    padding: 1rem 1.25rem;
    background: var(--gray-50);
}

.input-group {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.6rem;
}

#chatInput {
    flex: 1;
    padding: 0.6rem 0.9rem;
    border: 1.5px solid rgba(0,153,204,0.3);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-family: inherit;
    background: var(--gray-100);
}

#chatInput:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13,115,119,.15);
}

.input-group button[type="submit"] {
    padding: 0.6rem 1.2rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s;
    font-family: inherit;
}

.input-group button[type="submit"]:hover {
    background: var(--primary-dark);
}

.quick-actions {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.chip {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.75rem;
    background: var(--gray-100);
    border: 1.5px solid rgba(0,153,204,0.3);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    color: var(--gray-700);
    transition: all 0.2s;
    font-family: inherit;
}

.chip:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* ============================================================================
   SECTION SHARED
   ============================================================================ */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 1.75rem;
}

.section-header h2 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--gray-900);
    letter-spacing: -0.5px;
    margin-bottom: 0.5rem;
}

.section-header p {
    font-size: 0.95rem;
    color: var(--gray-500);
    max-width: 520px;
    margin: 0 auto;
}

/* ============================================================================
   HOW IT WORKS SECTION
   ============================================================================ */

.how {
    padding: 3rem 2rem;
    background: #f4f9fd;
    border-top: 1px solid rgba(0,153,204,0.15);
    border-bottom: 1px solid rgba(0,153,204,0.15);
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1280px;
    margin: 0 auto;
}

.step {
    text-align: center;
    padding: 1.5rem 1.25rem;
    background: var(--gray-50);
    border-radius: var(--radius);
    border: 1.5px solid rgba(0,153,204,0.3);
    position: relative;
    transition: all 0.2s;
}

.step:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.step-number {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--coral));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    margin: 0 auto 1rem;
    box-shadow: 0 4px 12px rgba(0,153,204,.3);
}

.step h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.step p {
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ============================================================================
   FEATURES SECTION
   ============================================================================ */

.features {
    padding: 3rem 2rem;
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    max-width: 1280px;
    margin: 0 auto;
}

.feature-card {
    background: var(--gray-100);
    padding: 1.2rem;
    border-radius: var(--radius);
    border: 2px solid rgba(0,153,204,0.45);
    transition: all 0.2s;
    text-align: center;
}

.feature-card:hover {
    box-shadow: 0 4px 20px rgba(0,153,204,.25);
    transform: translateY(-3px);
    border-color: #0099cc;
}

.feature-card h3 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--gray-600);
    line-height: 1.65;
}

/* ============================================================================
   WHY CHOOSE SECTION
   ============================================================================ */

.why-choose {
    padding: 3rem 2rem;
    background: #f7f4ff;
    border-top: 1px solid rgba(102,68,221,0.15);
    border-bottom: 1px solid rgba(102,68,221,0.15);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    max-width: 1280px;
    margin: 0 auto;
}

.why-card {
    background: var(--primary-light);
    padding: 1.2rem;
    border-radius: var(--radius);
    border: 2px solid rgba(102,68,221,0.45);
    transition: all 0.2s;
    text-align: center;
}

.why-card:hover {
    box-shadow: 0 4px 20px rgba(102,68,221,.25);
    transform: translateY(-3px);
    border-color: #6644dd;
}

.why-card h3 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.why-card p {
    font-size: 0.85rem;
    color: var(--gray-700);
    line-height: 1.65;
}

/* ============================================================================
   GLOBAL AGENCIES SECTION
   ============================================================================ */

.agencies {
    padding: 3rem 2rem;
    background: #f4f9fd;
}

.agencies-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--gray-200);
    overflow-x: visible;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    justify-content: center;
    flex-wrap: wrap;
}

.tab-button {
    padding: 0.75rem 1.25rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    color: var(--gray-500);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    font-family: inherit;
}

.tab-button:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.tab-button.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: transparent;
}

.agencies-content {
    max-width: 1280px;
    margin: 0 auto;
}

.tab-content { display: none; }
.tab-content.active { display: block; }

.tab-content > h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--gray-200);
}

.agency-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
}

.agency-card {
    background: var(--gray-100);
    padding: 1.4rem;
    border-radius: var(--radius);
    border: 1.5px solid rgba(0,153,204,0.3);
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
}

.agency-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--coral));
    border-radius: 2px 0 0 2px;
}

.agency-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
    border-color: rgba(255,255,255,0.35);
}

.agency-card h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.4rem;
    padding-left: 0.25rem;
}

.agency-card p {
    font-size: 0.82rem;
    color: var(--gray-600);
    margin-bottom: 0.35rem;
    line-height: 1.5;
    padding-left: 0.25rem;
}

.contact {
    font-size: 0.8rem;
    color: var(--gray-600);
}

.agency-card a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.agency-card a:hover {
    text-decoration: underline;
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.footer {
    background: #1a2a3a;
    color: var(--gray-600);
    padding: 2rem;
    text-align: center;
}

.footer p {
    font-size: 0.85rem;
    line-height: 1.7;
}

.footer p:first-child {
    font-size: 1rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.25rem;
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (max-width: 1024px) {
    .features-grid,
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .chat-site {
        grid-template-columns: 1fr;
        height: auto;
    }

    .upload-pane {
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
    }

    .links { display: none; }

    .features-grid,
    .why-grid,
    .steps { grid-template-columns: 1fr; }

    .bubble { max-width: 95%; }

    .agencies-tabs { gap: 0; }

    .hero-copy h1 { font-size: 1.6rem; }
}