/* Palette inspired by saadiyatisland.ae/cultural-district: warm charcoal, cream, antique gold -
   a gallery/museum mood rather than a tech-product one. Light mode swaps the page's ambient
   tones for a cool blueish palette while keeping the same gold brand accent. */
:root {
    --vs-primary: #c9a24d;
    --vs-primary-light: #ddbd7f;
    --vs-primary-dark: #8a6a2e;
    --vs-accent: #b4693f;
    --vs-bg: #1a1309;
    --vs-bg-alt: #21190c;
    --vs-surface: rgba(46, 36, 21, 0.68);
    --vs-surface-solid: #2c2214;
    --vs-ink-rgb: 243, 236, 223;
    --vs-border: rgba(var(--vs-ink-rgb), 0.09);
    --vs-border-strong: rgba(var(--vs-ink-rgb), 0.18);
    --vs-text: #f3ecdf;
    --vs-text-muted: #b3a891;
    --vs-success: #93ab72;
    --vs-danger: #c17654;
    --vs-neutral: #8f8573;
    --vs-radius: 12px;
    --vs-shadow: 0 1px 1px rgba(0, 0, 0, 0.25), 0 12px 32px rgba(6, 5, 3, 0.5);
    --vs-font-display: "Playfair Display", Georgia, "Times New Roman", serif;

    /* Brand-gold tints used as translucent glows/washes - stay constant across themes. */
    --vs-primary-rgb: 201, 162, 77;
    --vs-primary-light-rgb: 221, 189, 127;
    --vs-bronze-rgb: 154, 116, 44;
    --vs-glow-primary: 0 0 0 1px rgba(var(--vs-primary-rgb), 0.25), 0 0 24px rgba(var(--vs-primary-rgb), 0.22);

    /* Ambient background glow blobs (body, hero panel) - theme-specific. */
    --vs-glow-1-rgb: 201, 162, 77;
    --vs-glow-2-rgb: 180, 105, 63;

    --vs-hero-grad-start: #2a2011;
    --vs-hero-grad-end: #17110a;
    --vs-hero-shadow: 0 24px 60px rgba(10, 7, 4, 0.55);

    --vs-eyebrow-bg: #2b2210;
    --vs-eyebrow-text: #e9d7ad;
    --vs-eyebrow-border-rgb: 233, 215, 173;

    --vs-badge-positive-bg: rgba(147, 171, 114, 0.22);
    --vs-badge-positive-text: #c3d6a8;
    --vs-badge-negative-bg: rgba(193, 118, 84, 0.22);
    --vs-badge-negative-text: #e5b294;
    --vs-badge-neutral-bg: rgba(var(--vs-ink-rgb), 0.1);
    --vs-badge-neutral-text: #d8cdb6;
}

:root[data-theme="light"] {
    --vs-primary-light: #8a6a2e;
    --vs-primary-dark: #6b5220;
    --vs-bg: #eef2f8;
    --vs-bg-alt: #e4ebf5;
    --vs-surface: rgba(255, 255, 255, 0.72);
    --vs-surface-solid: #ffffff;
    --vs-ink-rgb: 30, 41, 59;
    --vs-text: #1c2531;
    --vs-text-muted: #5b6b80;
    --vs-shadow: 0 1px 1px rgba(30, 58, 95, 0.06), 0 12px 32px rgba(30, 58, 95, 0.14);
    --vs-glow-primary: 0 0 0 1px rgba(96, 150, 220, 0.2), 0 0 24px rgba(96, 150, 220, 0.18);

    --vs-glow-1-rgb: 96, 150, 220;
    --vs-glow-2-rgb: 169, 130, 47;

    --vs-hero-grad-start: #d7e5f7;
    --vs-hero-grad-end: #eef4fc;
    --vs-hero-shadow: 0 24px 60px rgba(30, 58, 95, 0.16);

    --vs-eyebrow-bg: #f3e6c4;
    --vs-eyebrow-text: #7a5e22;
    --vs-eyebrow-border-rgb: 122, 94, 34;

    --vs-badge-positive-bg: rgba(95, 122, 69, 0.16);
    --vs-badge-positive-text: #3f5a2c;
    --vs-badge-negative-bg: rgba(168, 83, 58, 0.16);
    --vs-badge-negative-text: #7a3a26;
    --vs-badge-neutral-bg: rgba(var(--vs-ink-rgb), 0.07);
    --vs-badge-neutral-text: #3a4a5c;
}

@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) {
        --vs-primary-light: #8a6a2e;
        --vs-primary-dark: #6b5220;
        --vs-bg: #eef2f8;
        --vs-bg-alt: #e4ebf5;
        --vs-surface: rgba(255, 255, 255, 0.72);
        --vs-surface-solid: #ffffff;
        --vs-ink-rgb: 30, 41, 59;
        --vs-text: #1c2531;
        --vs-text-muted: #5b6b80;
        --vs-shadow: 0 1px 1px rgba(30, 58, 95, 0.06), 0 12px 32px rgba(30, 58, 95, 0.14);
        --vs-glow-primary: 0 0 0 1px rgba(96, 150, 220, 0.2), 0 0 24px rgba(96, 150, 220, 0.18);

        --vs-glow-1-rgb: 96, 150, 220;
        --vs-glow-2-rgb: 169, 130, 47;

        --vs-hero-grad-start: #d7e5f7;
        --vs-hero-grad-end: #eef4fc;
        --vs-hero-shadow: 0 24px 60px rgba(30, 58, 95, 0.16);

        --vs-eyebrow-bg: #f3e6c4;
        --vs-eyebrow-text: #7a5e22;
        --vs-eyebrow-border-rgb: 122, 94, 34;

        --vs-badge-positive-bg: rgba(95, 122, 69, 0.16);
        --vs-badge-positive-text: #3f5a2c;
        --vs-badge-negative-bg: rgba(168, 83, 58, 0.16);
        --vs-badge-negative-text: #7a3a26;
        --vs-badge-neutral-bg: rgba(var(--vs-ink-rgb), 0.07);
        --vs-badge-neutral-text: #3a4a5c;
    }
}

* { box-sizing: border-box; }

html, body {
    height: 100%;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at 12% -10%, rgba(var(--vs-glow-1-rgb), 0.14) 0%, transparent 42%),
        radial-gradient(circle at 88% 0%, rgba(var(--vs-glow-2-rgb), 0.09) 0%, transparent 45%),
        var(--vs-bg);
    transition: background-color 0.25s ease;
    background-attachment: fixed;
    color: var(--vs-text);
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--vs-primary-light); }

::selection {
    background: rgba(var(--vs-primary-rgb), 0.35);
}

/* ---------- Animation keyframes ---------- */
@keyframes vs-fade-up {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes vs-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes vs-pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(var(--vs-primary-rgb), 0.45); }
    70% { box-shadow: 0 0 0 10px rgba(var(--vs-primary-rgb), 0); }
    100% { box-shadow: 0 0 0 0 rgba(var(--vs-primary-rgb), 0); }
}

@keyframes vs-glow-breathe {
    0%, 100% { box-shadow: 0 0 12px 2px rgba(var(--vs-primary-rgb), 0.32); }
    50% { box-shadow: 0 0 20px 6px rgba(var(--vs-primary-rgb), 0.5); }
}

@keyframes vs-drift {
    0% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(1.5%, -2%, 0) scale(1.03); }
    100% { transform: translate3d(0, 0, 0) scale(1); }
}

@keyframes vs-bar-bounce {
    0%, 100% { transform: scaleY(0.25); }
    50% { transform: scaleY(1); }
}

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

.vs-animate-in {
    animation: vs-fade-up 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* ---------- Shared app nav (used by both layouts) ---------- */
.app-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1080px;
    margin: 0 auto;
    padding: 1.5rem 1.5rem 0;
}

.app-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--vs-text);
    font-weight: 700;
    font-size: 1.05rem;
    text-decoration: none;
    letter-spacing: 0.01em;
}

.app-brand img {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    box-shadow: 0 0 0 1px rgba(var(--vs-ink-rgb), 0.1);
}

.app-nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.app-nav-link {
    color: var(--vs-text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.45rem 0.8rem;
    border-radius: 4px;
    transition: color 0.15s ease, background 0.15s ease;
}

.app-nav-link:hover {
    color: var(--vs-text);
    background: rgba(var(--vs-ink-rgb), 0.06);
}

.app-nav-cta {
    color: var(--vs-primary-light);
    background: transparent;
    border: 1px solid rgba(var(--vs-primary-light-rgb), 0.45);
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    text-decoration: none;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.app-nav-cta:hover {
    background: var(--vs-primary);
    border-color: var(--vs-primary);
    color: #17130c;
}

.app-nav-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.vs-theme-toggle {
    appearance: none;
    -webkit-appearance: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--vs-border-strong);
    background: var(--vs-surface);
    color: var(--vs-text);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.vs-theme-toggle:hover {
    border-color: var(--vs-primary-light);
    transform: scale(1.06);
}

.vs-theme-toggle:focus-visible {
    outline: 2px solid var(--vs-primary-light);
    outline-offset: 2px;
}

/* ---------- Home page ---------- */
.home-body {
    margin: 0;
}

.home-page-container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 1.5rem 2rem;
}

.home-page-container h1,
.home-page-container h3,
.home-page-container p {
    margin-top: 0;
}

.home-hero {
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    padding: 6rem 2rem;
    text-align: center;
    color: var(--vs-text);
    margin: 2.5rem 0 2.5rem;
    box-shadow: var(--vs-hero-shadow), inset 0 1px 0 rgba(var(--vs-ink-rgb), 0.06);
    border: 1px solid var(--vs-border);
    background: linear-gradient(160deg, var(--vs-hero-grad-start) 0%, var(--vs-hero-grad-end) 100%);
    animation: vs-fade-up 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.home-hero::before,
.home-hero::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(10px);
    z-index: 0;
    animation: vs-drift 16s ease-in-out infinite;
}

.home-hero::before {
    width: 420px;
    height: 420px;
    top: -180px;
    left: -120px;
    background: radial-gradient(circle, rgba(var(--vs-glow-1-rgb), 0.3) 0%, transparent 70%);
}

.home-hero::after {
    width: 460px;
    height: 460px;
    bottom: -220px;
    right: -140px;
    background: radial-gradient(circle, rgba(var(--vs-glow-2-rgb), 0.2) 0%, transparent 70%);
    animation-delay: -8s;
}

.home-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 660px;
    margin: 0 auto;
}

.home-eyebrow {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--vs-eyebrow-text);
    background: var(--vs-eyebrow-bg);
    border: 1px solid rgba(var(--vs-eyebrow-border-rgb), 0.3);
    padding: 0.35rem 0.95rem;
    border-radius: 999px;
    margin-bottom: 1.75rem;
    animation: vs-fade-up 0.5s ease both;
}

.home-hero h1 {
    font-family: var(--vs-font-display);
    font-size: 3.1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    color: var(--vs-text);
    animation: vs-fade-up 0.6s 0.05s ease both;
}

.home-hero p {
    color: var(--vs-text-muted);
    font-size: 1.08rem;
    line-height: 1.65;
    margin-bottom: 2.25rem;
    animation: vs-fade-up 0.6s 0.1s ease both;
}

.home-cta {
    font-size: 0.85rem;
    padding: 0.95rem 2.5rem;
    box-shadow: none;
    text-decoration: none;
    display: inline-block;
    animation: vs-fade-up 0.6s 0.15s ease both;
}

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

@media (max-width: 768px) {
    .home-hero h1 { font-size: 2.2rem; }
    .home-hero { padding: 3.5rem 1.5rem; }
    .home-features { grid-template-columns: 1fr; }
}

.home-feature-card {
    background: var(--vs-surface);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--vs-border);
    border-radius: 6px;
    padding: 1.85rem 1.6rem;
    color: var(--vs-text);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    animation: vs-fade-up 0.6s ease both;
}

.home-feature-card:nth-child(1) { animation-delay: 0.1s; }
.home-feature-card:nth-child(2) { animation-delay: 0.2s; }
.home-feature-card:nth-child(3) { animation-delay: 0.3s; }

.home-feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--vs-primary-light-rgb), 0.4);
    box-shadow: var(--vs-hero-shadow), 0 0 20px rgba(var(--vs-primary-rgb), 0.1);
}

.home-feature-card .icon {
    font-size: 1.5rem;
    margin-bottom: 0.85rem;
}

.home-feature-card h3 {
    font-family: var(--vs-font-display);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.home-feature-card p {
    color: var(--vs-text-muted);
    font-size: 0.92rem;
    line-height: 1.5;
    margin: 0;
}

/* ---------- Survey app ---------- */
.survey-app {
    max-width: 880px;
    margin: 0 auto;
    padding-bottom: 3rem;
}

.survey-hero {
    text-align: center;
    padding: 2.5rem 1rem 1.5rem;
    animation: vs-fade-up 0.5s ease both;
}

.survey-hero h1 {
    font-family: var(--vs-font-display);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.survey-hero .subtitle {
    color: var(--vs-text-muted);
    max-width: 560px;
    margin: 0.5rem auto 0;
}

.vs-panel {
    background: var(--vs-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--vs-border);
    border-radius: var(--vs-radius);
    box-shadow: var(--vs-shadow);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
    animation: vs-fade-up 0.45s cubic-bezier(0.16, 1, 0.3, 1) both;
    transition: background-color 0.25s ease, border-color 0.25s ease;
}

.start-panel {
    text-align: center;
    padding: 2.75rem 1.75rem;
}

.start-panel .form-label {
    font-weight: 600;
    text-align: left;
    display: block;
    color: var(--vs-text);
}

.start-panel input.form-control {
    max-width: 420px;
    margin: 0 auto 1.25rem;
    padding: 0.7rem 0.95rem;
    border-radius: 6px;
    background: rgba(var(--vs-ink-rgb), 0.04);
    border: 1px solid var(--vs-border-strong);
    color: var(--vs-text);
}

.start-panel input.form-control::placeholder {
    color: var(--vs-text-muted);
}

.start-panel input.form-control:focus {
    background: rgba(var(--vs-ink-rgb), 0.06);
    border-color: var(--vs-primary-light);
    box-shadow: 0 0 0 3px rgba(var(--vs-primary-rgb), 0.2);
    outline: none;
    color: var(--vs-text);
}

/* Cultural District site picker */
.vs-site-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    max-width: 640px;
    margin: 0 auto 1.5rem;
    text-align: left;
}

@media (max-width: 640px) {
    .vs-site-grid { grid-template-columns: repeat(2, 1fr); }
}

.vs-site-card {
    /* These are <button> elements now (for free keyboard/focus accessibility) styled to look
       like cards - reset the browser's default button chrome. */
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    font: inherit;
    text-align: left;
    border: 1px solid var(--vs-border-strong);
    border-radius: 6px;
    padding: 0.95rem 0.85rem;
    background: rgba(var(--vs-ink-rgb), 0.03);
    cursor: pointer;
    transition: border-color 0.18s ease, background 0.18s ease, transform 0.15s ease;
}

.vs-site-card:hover {
    border-color: var(--vs-primary-light);
    transform: translateY(-2px);
}

.vs-site-card:focus-visible {
    outline: 2px solid var(--vs-primary-light);
    outline-offset: 2px;
}

.vs-site-card.selected {
    border-color: var(--vs-primary);
    background: rgba(var(--vs-primary-rgb), 0.14);
    box-shadow: inset 0 0 0 1px var(--vs-primary);
}

.vs-site-card .site-name {
    font-family: var(--vs-font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--vs-text);
    line-height: 1.3;
    display: block;
}

.vs-site-card .site-tag {
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--vs-text-muted);
    margin-top: 0.35rem;
    display: block;
}

.vs-site-card.custom {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.vs-option-group {
    max-width: 420px;
    margin: 0 auto 1.25rem;
    text-align: left;
}

.vs-option-group.wide {
    max-width: 640px;
}

.vs-option-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--vs-text-muted);
    margin-bottom: 0.5rem;
}

.vs-radio-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.vs-radio {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(var(--vs-ink-rgb), 0.03);
    border: 1px solid var(--vs-border-strong);
    border-radius: 6px;
    padding: 0.5rem 0.9rem;
    font-size: 0.9rem;
    color: var(--vs-text);
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.vs-radio:has(input:checked) {
    border-color: var(--vs-primary-light);
    background: rgba(var(--vs-primary-rgb), 0.14);
}

.vs-radio input,
.vs-checkbox input {
    accent-color: var(--vs-primary);
}

.vs-checkbox {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.92rem;
    color: var(--vs-text);
    cursor: pointer;
}

.vs-btn-primary {
    background: var(--vs-primary);
    border: 1px solid var(--vs-primary);
    color: #17130c;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    font-size: 0.82rem;
    padding: 0.9rem 2.3rem;
    border-radius: 4px;
    box-shadow: none;
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.12s ease;
    cursor: pointer;
}

.vs-btn-primary:hover:not(:disabled) {
    background: transparent;
    color: var(--vs-primary-light);
}

.vs-btn-primary:active:not(:disabled) {
    transform: scale(0.98);
}

.vs-btn-primary:disabled {
    opacity: 0.45;
    cursor: default;
}

.vs-btn-secondary {
    background: transparent;
    border: 1px solid var(--vs-border-strong);
    color: var(--vs-text);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    font-size: 0.78rem;
    padding: 0.65rem 1.6rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.vs-btn-secondary:hover {
    background: rgba(var(--vs-ink-rgb), 0.06);
    border-color: var(--vs-primary-light);
}

/* Stepper */
.vs-stepper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    gap: 4px;
}

.vs-step {
    flex: 1;
    text-align: center;
    position: relative;
}

.vs-step .dot {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(var(--vs-ink-rgb), 0.08);
    border: 1px solid var(--vs-border-strong);
    color: var(--vs-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    margin: 0 auto 6px;
    transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.vs-step .label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--vs-text-muted);
    white-space: nowrap;
}

.vs-step.active .dot {
    background: var(--vs-primary);
    color: #17130c;
    border-color: transparent;
    box-shadow: 0 0 0 4px rgba(var(--vs-primary-rgb), 0.18);
    transform: scale(1.12);
    animation: vs-glow-breathe 2s ease-in-out infinite;
}

.vs-step.done .dot {
    background: var(--vs-success);
    color: #14200c;
    border-color: transparent;
}

.vs-step.active .label,
.vs-step.done .label {
    color: var(--vs-text);
    font-weight: 600;
}

.vs-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 13px;
    left: calc(50% + 18px);
    right: calc(-50% + 18px);
    height: 2px;
    background: var(--vs-border);
    z-index: -1;
    transition: background 0.4s ease;
}

.vs-step.done:not(:last-child)::after {
    background: var(--vs-success);
}

/* Status row + live waveform */
.vs-status-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
    color: var(--vs-text-muted);
    font-weight: 500;
    font-size: 0.9rem;
}

.vs-status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--vs-neutral);
    flex-shrink: 0;
}

.vs-status-dot.pulse {
    animation: vs-pulse-ring 1.3s infinite;
}

.vs-status-dot.speaking { background: var(--vs-primary-light); }
.vs-status-dot.listening { background: var(--vs-success); }
.vs-status-dot.analyzing { background: #d3a24b; }

.vs-waveform {
    display: flex;
    align-items: center;
    gap: 3px;
    height: 16px;
    margin-left: auto;
}

.vs-waveform .bar {
    width: 3px;
    height: 100%;
    border-radius: 2px;
    background: var(--vs-primary-light);
    transform: scaleY(0.15);
    transform-origin: center;
    transition: transform 0.08s ease, background 0.2s ease;
    opacity: 0;
}

.vs-waveform.active .bar {
    opacity: 1;
}

.vs-waveform.listening .bar { background: var(--vs-success); }
.vs-waveform.speaking .bar { background: var(--vs-primary-light); }

/* Asked / Understood cards */
.vs-qa-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 640px) {
    .vs-qa-grid { grid-template-columns: 1fr; }
}

.vs-qa-card {
    border: 1px solid var(--vs-border);
    border-radius: 6px;
    padding: 1.1rem 1.25rem;
    background: rgba(var(--vs-ink-rgb), 0.03);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.vs-qa-card .qa-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--vs-text-muted);
    font-weight: 700;
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.vs-qa-card .qa-body {
    font-size: 1.05rem;
    line-height: 1.4;
    margin: 0;
    color: var(--vs-text);
}

.vs-qa-card.asked { border-left: 3px solid var(--vs-primary-light); }
.vs-qa-card.understood { border-left: 3px solid var(--vs-success); }

.vs-qa-card.updating {
    animation: vs-fade-in 0.25s ease both;
}

/* Sentiment badges */
.vs-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    animation: vs-fade-up 0.3s ease both;
}

.vs-badge.positive { background: var(--vs-badge-positive-bg); color: var(--vs-badge-positive-text); }
.vs-badge.negative { background: var(--vs-badge-negative-bg); color: var(--vs-badge-negative-text); }
.vs-badge.neutral { background: var(--vs-badge-neutral-bg); color: var(--vs-badge-neutral-text); }

/* Conversation / report history */
.vs-history {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.vs-turn {
    border: 1px solid var(--vs-border);
    border-radius: 6px;
    padding: 1rem 1.2rem;
    background: rgba(var(--vs-ink-rgb), 0.03);
    animation: vs-fade-up 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.vs-turn .turn-question {
    font-family: var(--vs-font-display);
    font-weight: 700;
    color: var(--vs-primary-light);
    margin-bottom: 0.35rem;
}

.vs-turn .turn-said {
    color: var(--vs-text-muted);
    font-size: 0.92rem;
    margin-bottom: 0.25rem;
}

.vs-turn .turn-understood {
    font-size: 0.95rem;
    color: var(--vs-text);
}

/* Report summary card */
.vs-report-summary {
    background: linear-gradient(135deg, rgba(var(--vs-primary-rgb), 0.14), rgba(var(--vs-bronze-rgb), 0.12));
    border: 1px solid rgba(var(--vs-primary-light-rgb), 0.25);
    border-radius: var(--vs-radius);
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.5rem;
    animation: vs-fade-up 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.vs-report-summary .headline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.vs-theme-chip {
    display: inline-block;
    background: rgba(var(--vs-ink-rgb), 0.06);
    border: 1px solid var(--vs-border-strong);
    border-radius: 999px;
    padding: 0.25rem 0.75rem;
    font-size: 0.78rem;
    margin: 0.2rem 0.3rem 0 0;
    color: var(--vs-text);
    animation: vs-fade-up 0.3s ease both;
}

.d-none { display: none !important; }