:root {
    --brain-green: #53cf8c;
    --brain-red: #ff8d97;
    --brain-purple: #d4a3ff;
    --brain-blue: #8ed0ff;
    --brain-balanced: #efd6ff;
    --brain-ink: #14131a;
    --brain-muted: rgba(20, 19, 26, 0.62);
    --brain-soft: rgba(20, 19, 26, 0.08);
    --brain-shell: rgba(255, 255, 255, 0.72);
    --brain-shell-strong: rgba(255, 255, 255, 0.84);
    --brain-border: rgba(20, 19, 26, 0.1);
    --brain-shadow: 0 30px 100px rgba(17, 16, 27, 0.08);
    --brain-backdrop:
        radial-gradient(circle at 14% 16%, rgba(140, 221, 202, 0.12), transparent 28%),
        radial-gradient(circle at 82% 18%, rgba(194, 172, 245, 0.11), transparent 26%),
        radial-gradient(circle at 68% 72%, rgba(142, 208, 255, 0.12), transparent 24%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.62));
    --brain-icon-shell-background:
        radial-gradient(circle at 24% 20%, rgba(255, 255, 255, 0.56), rgba(255, 255, 255, 0.18) 44%, rgba(255, 255, 255, 0.08) 100%),
        linear-gradient(155deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.06));
    --brain-icon-shell-border: rgba(255, 255, 255, 0.28);
    --brain-icon-shell-inner: rgba(255, 255, 255, 0.26);
    --brain-icon-shell-shadow: rgba(17, 16, 27, 0.14);
    --brain-icon-glow: rgba(255, 255, 255, 0.08);
    --brain-page-top-offset: 160px;
    --brain-page-top-offset-mobile: calc(env(safe-area-inset-top, 0px) + 156px);
}

.brain-color-page {
    min-height: 100vh;
}

.brain-color-main {
    padding: var(--brain-page-top-offset) 5vw 80px;
    position: relative;
    z-index: var(--z-content);
}

.brain-color-shell {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    gap: 36px;
}

.brain-color-intro-card,
.brain-color-quiz-card,
.brain-color-result-card {
    background: var(--brain-backdrop);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    border: 1px solid var(--brain-border);
    border-radius: 36px;
    box-shadow: var(--brain-shadow);
    position: relative;
    overflow: hidden;
}

.brain-color-intro-card::before,
.brain-color-quiz-card::before,
.brain-color-result-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.42), transparent 40%),
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.24), transparent 34%);
    pointer-events: none;
}

.brain-color-intro-card,
.brain-color-quiz-card,
.brain-color-result-card {
    padding: 40px;
}

.brain-color-intro-card {
    width: min(100%, 1060px);
    margin: 0 auto;
    padding: 32px 34px;
}

.brain-color-share-landing {
    border: 1px solid transparent;
    border-radius: 36px;
    padding: 38px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.brain-color-profile-card[data-theme="green"],
.brain-color-share-landing[data-theme="green"] {
    --brain-icon-shell-background:
        radial-gradient(circle at 24% 20%, rgba(255, 255, 255, 0.54), rgba(196, 255, 220, 0.26) 42%, rgba(124, 229, 173, 0.16) 100%),
        linear-gradient(155deg, rgba(226, 255, 236, 0.18), rgba(65, 176, 123, 0.1));
    --brain-icon-shell-border: rgba(224, 255, 235, 0.28);
    --brain-icon-shell-inner: rgba(255, 255, 255, 0.22);
    --brain-icon-shell-shadow: rgba(7, 62, 43, 0.18);
    --brain-icon-glow: rgba(121, 255, 182, 0.1);
}

.brain-color-profile-card[data-theme="red"],
.brain-color-share-landing[data-theme="red"] {
    --brain-icon-shell-background:
        radial-gradient(circle at 24% 20%, rgba(255, 255, 255, 0.56), rgba(255, 220, 223, 0.28) 42%, rgba(255, 148, 162, 0.16) 100%),
        linear-gradient(155deg, rgba(255, 244, 246, 0.18), rgba(197, 74, 97, 0.11));
    --brain-icon-shell-border: rgba(255, 231, 236, 0.28);
    --brain-icon-shell-inner: rgba(255, 255, 255, 0.22);
    --brain-icon-shell-shadow: rgba(79, 16, 33, 0.18);
    --brain-icon-glow: rgba(255, 164, 174, 0.1);
}

.brain-color-profile-card[data-theme="purple"],
.brain-color-share-landing[data-theme="purple"] {
    --brain-icon-shell-background:
        radial-gradient(circle at 24% 20%, rgba(255, 255, 255, 0.56), rgba(236, 221, 255, 0.28) 42%, rgba(197, 149, 255, 0.16) 100%),
        linear-gradient(155deg, rgba(250, 244, 255, 0.18), rgba(125, 84, 215, 0.1));
    --brain-icon-shell-border: rgba(245, 234, 255, 0.28);
    --brain-icon-shell-inner: rgba(255, 255, 255, 0.22);
    --brain-icon-shell-shadow: rgba(43, 21, 90, 0.18);
    --brain-icon-glow: rgba(213, 168, 255, 0.1);
}

.brain-color-profile-card[data-theme="blue"],
.brain-color-share-landing[data-theme="blue"] {
    --brain-icon-shell-background:
        radial-gradient(circle at 24% 20%, rgba(255, 255, 255, 0.56), rgba(223, 244, 255, 0.28) 42%, rgba(132, 205, 255, 0.16) 100%),
        linear-gradient(155deg, rgba(245, 251, 255, 0.18), rgba(71, 132, 225, 0.1));
    --brain-icon-shell-border: rgba(234, 248, 255, 0.28);
    --brain-icon-shell-inner: rgba(255, 255, 255, 0.22);
    --brain-icon-shell-shadow: rgba(16, 49, 101, 0.18);
    --brain-icon-glow: rgba(144, 215, 255, 0.1);
}

.brain-color-profile-card[data-theme="balanced"],
.brain-color-share-landing[data-theme="balanced"] {
    --brain-icon-shell-background:
        radial-gradient(circle at 24% 20%, rgba(255, 255, 255, 0.58), rgba(243, 236, 249, 0.28) 42%, rgba(228, 214, 244, 0.14) 100%),
        linear-gradient(155deg, rgba(255, 255, 255, 0.2), rgba(196, 187, 214, 0.08));
    --brain-icon-shell-border: rgba(248, 242, 255, 0.28);
    --brain-icon-shell-inner: rgba(255, 255, 255, 0.22);
    --brain-icon-shell-shadow: rgba(26, 19, 41, 0.16);
    --brain-icon-glow: rgba(234, 228, 247, 0.08);
}

.brain-color-share-landing::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.24), transparent 30%),
        radial-gradient(circle at left center, rgba(255, 255, 255, 0.08), transparent 26%),
        linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0));
    pointer-events: none;
}

.brain-color-intro-card > *,
.brain-color-quiz-card > *,
.brain-color-result-card > *,
.brain-color-share-landing > * {
    position: relative;
    z-index: 1;
}

.brain-color-intro-card[hidden],
.brain-color-quiz-card[hidden],
.brain-color-result-card[hidden],
.brain-color-share-landing[hidden],
.brain-share-overlay[hidden],
.brain-share-panel[hidden] {
    display: none !important;
}

.brain-share-open {
    overflow: hidden;
}

.brain-color-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    font-size: 0.82rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(20, 19, 26, 0.5);
}

.brain-color-kicker::before {
    content: "";
    width: 32px;
    height: 1px;
    background: rgba(20, 19, 26, 0.26);
}

.brain-color-kicker-compact {
    margin-bottom: 12px;
}

.brain-color-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 5.5rem);
    line-height: 0.9;
    letter-spacing: -0.05em;
    margin-bottom: 22px;
    color: var(--brain-ink);
    max-width: 8ch;
}

.brain-color-body {
    max-width: 40ch;
    font-size: 1.12rem;
    line-height: 1.78;
    color: rgba(20, 19, 26, 0.74);
}

.brain-hero-grid {
    display: block;
}

.brain-hero-copy {
    min-width: 0;
    max-width: 760px;
}

.brain-color-meta-row {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin: 30px 0 34px;
}

.brain-color-pill {
    display: inline-flex;
    align-items: center;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(20, 19, 26, 0.08);
    font-size: 0.92rem;
    color: rgba(20, 19, 26, 0.8);
}

.brain-hero-actions {
    display: grid;
    gap: 16px;
    align-items: start;
    max-width: 420px;
}

.brain-color-start {
    border: none;
    cursor: pointer;
}

.brain-hero-note {
    color: var(--brain-muted);
    line-height: 1.65;
    font-size: 0.98rem;
}

.brain-color-share-hero {
    display: grid;
    gap: 18px;
    margin-bottom: 26px;
}

.brain-color-share-hero-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.brain-color-kicker-on-dark {
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 0;
}

.brain-color-kicker-on-dark::before {
    background: rgba(255, 255, 255, 0.34);
}

.brain-color-share-color-pill {
    display: inline-flex;
    align-items: center;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: rgba(255, 255, 255, 0.96);
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.brain-color-share-title {
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 5vw, 4.4rem);
    line-height: 0.94;
    letter-spacing: -0.05em;
    max-width: 11ch;
}

.brain-color-share-body {
    font-size: 1.04rem;
    line-height: 1.72;
    color: rgba(255, 255, 255, 0.88);
    max-width: 56ch;
}

.brain-color-empathy-stack {
    display: grid;
    gap: 16px;
}

.brain-color-empathy-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 18px;
    align-items: start;
    padding: 24px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.brain-color-empathy-icon-shell {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: inline-grid;
    place-items: center;
    background: var(--brain-icon-shell-background);
    border: 1px solid var(--brain-icon-shell-border);
    box-shadow:
        inset 0 1px 0 var(--brain-icon-shell-inner),
        0 10px 20px var(--brain-icon-shell-shadow);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    flex-shrink: 0;
}

.brain-color-empathy-icon {
    width: 32px;
    height: 32px;
    display: block;
    filter:
        drop-shadow(0 1px 0 rgba(255, 255, 255, 0.28))
        drop-shadow(0 4px 10px var(--brain-icon-glow));
}

.brain-color-empathy-copy {
    display: grid;
    gap: 10px;
}

.brain-color-empathy-copy h2 {
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 2.6vw, 2rem);
    line-height: 1.04;
    letter-spacing: -0.03em;
}

.brain-color-empathy-copy p {
    color: rgba(255, 255, 255, 0.86);
    line-height: 1.64;
    font-size: 1rem;
}

.brain-color-share-closing-wrap {
    display: flex;
    justify-content: center;
    margin-top: 28px;
}

.brain-color-share-closing {
    white-space: pre-line;
    text-align: center;
    color: rgba(255, 255, 255, 0.98);
}

.brain-color-share-closing[data-variant="text"] {
    max-width: 24ch;
    font-family: var(--font-display);
    font-size: clamp(1.55rem, 2.8vw, 2.2rem);
    line-height: 1.18;
    letter-spacing: -0.03em;
}

.brain-color-share-closing[data-variant="pill"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 74px;
    padding: 20px 30px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.16);
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    line-height: 1.18;
    letter-spacing: -0.02em;
}

.brain-color-share-cta-shell {
    margin-top: 26px;
    padding: 24px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.12);
    display: grid;
    gap: 16px;
    justify-items: start;
}

.brain-color-share-cta-copy {
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.65;
    max-width: 44ch;
}

.brain-color-share-cta {
    border: none;
    cursor: pointer;
}
.brain-color-progress {
    display: grid;
    gap: 12px;
    margin-bottom: 30px;
}

.brain-color-progress-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
}

.brain-color-progress-label,
.brain-color-progress-count {
    font-size: 0.95rem;
    color: var(--brain-muted);
}

.brain-color-progress-track {
    width: 100%;
    height: 10px;
    border-radius: 999px;
    background: rgba(20, 19, 26, 0.08);
    overflow: hidden;
}

.brain-color-progress-fill {
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, rgba(140, 221, 202, 0.92), rgba(194, 172, 245, 0.88), rgba(142, 208, 255, 0.92));
    transition: width 0.25s ease;
}

.brain-quiz-stage {
    display: grid;
    grid-template-columns: minmax(260px, 0.88fr) minmax(0, 1.12fr);
    gap: 28px;
    align-items: start;
}

.brain-quiz-intro {
    padding: 8px 4px 0 0;
}

.brain-color-question {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.3rem);
    line-height: 0.98;
    letter-spacing: -0.04em;
    margin-bottom: 20px;
    max-width: 12ch;
    color: var(--brain-ink);
}

.brain-quiz-caption {
    color: var(--brain-muted);
    line-height: 1.7;
    max-width: 34ch;
}

.brain-color-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.brain-option {
    min-height: 178px;
    padding: 24px;
    border-radius: 28px;
    border: 1px solid rgba(20, 19, 26, 0.08);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.66));
    display: grid;
    align-content: space-between;
    gap: 24px;
    text-align: left;
    cursor: pointer;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
    transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, background-color 0.22s ease;
}

.brain-option:hover,
.brain-option:focus-visible {
    transform: translateY(-4px);
    border-color: rgba(20, 19, 26, 0.14);
    box-shadow: 0 22px 44px rgba(17, 16, 27, 0.08);
    outline: none;
}

.brain-option-topline {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 14px;
}

.brain-option-key {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: inline-grid;
    place-items: center;
    border: 1px solid rgba(20, 19, 26, 0.12);
    font-size: 0.88rem;
    color: rgba(20, 19, 26, 0.56);
    background: rgba(255, 255, 255, 0.6);
}

.brain-option-text {
    font-size: 1.06rem;
    line-height: 1.58;
    color: rgba(20, 19, 26, 0.88);
}

.brain-color-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-top: 28px;
}

.brain-color-back {
    padding: 14px 18px;
    border-radius: 999px;
    border: 1px solid rgba(20, 19, 26, 0.12);
    background: rgba(255, 255, 255, 0.64);
    font-size: 0.95rem;
    color: rgba(20, 19, 26, 0.82);
    cursor: pointer;
}

.brain-color-back:disabled {
    opacity: 0.45;
    cursor: default;
}

.brain-color-result-card {
    display: grid;
    gap: 26px;
}

.brain-color-profile-column {
    display: grid;
    gap: 18px;
}

.brain-color-profile-column h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 0.98;
    letter-spacing: -0.04em;
    margin-bottom: 10px;
}

.brain-breakdown-stacked {
    display: grid;
    place-items: center;
    margin-bottom: 0;
}

.brain-wheel-shell {
    position: relative;
    width: min(100%, 290px);
    aspect-ratio: 1;
    margin: 0 auto;
}

.brain-wheel {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    filter: saturate(1.04);
    box-shadow:
        0 28px 60px rgba(17, 16, 27, 0.14),
        inset 0 0 0 5px rgba(255, 255, 255, 0.48),
        inset 0 -18px 32px rgba(255, 255, 255, 0.12);
    z-index: 1;
}

.brain-wheel::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background:
        radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.28), transparent 34%),
        radial-gradient(circle at center, rgba(255, 255, 255, 0.08), transparent 62%);
}

.brain-wheel::after {
    content: "";
    position: absolute;
    inset: 23%;
    border-radius: 50%;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.82)),
        radial-gradient(circle at top, rgba(255, 255, 255, 0.34), transparent 55%);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.76),
        0 12px 28px rgba(17, 16, 27, 0.08);
    z-index: 2;
}

.brain-wheel-core {
    position: absolute;
    inset: 23%;
    border-radius: 50%;
    display: grid;
    place-items: center;
    align-content: center;
    text-align: center;
    gap: 8px;
    z-index: 3;
    padding: 20px;
}

.brain-wheel-core-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: rgba(20, 19, 26, 0.44);
}

.brain-wheel-core-value {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    line-height: 0.94;
    letter-spacing: -0.04em;
    color: var(--brain-ink);
}

.brain-wheel-chip {
    position: absolute;
    transform: translate(-50%, -50%);
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 34px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(20, 19, 26, 0.08);
    box-shadow: 0 12px 30px rgba(17, 16, 27, 0.1);
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    color: rgba(20, 19, 26, 0.86);
    pointer-events: none;
    z-index: 2;
}

.brain-wheel-chip-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    flex-shrink: 0;
}

.brain-color-preview-head {
    display: block;
}

.brain-color-preview-head p {
    color: var(--brain-muted);
    max-width: 42ch;
    line-height: 1.65;
}

.brain-color-share-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 60px;
    padding: 16px 24px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.48);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.76)),
        radial-gradient(circle at top, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.62));
    color: rgba(20, 19, 26, 0.9);
    font-family: var(--font-display);
    font-size: 1.1rem;
    letter-spacing: -0.01em;
    cursor: pointer;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.96),
        0 18px 34px rgba(17, 16, 27, 0.14);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.brain-color-share-trigger:hover,
.brain-color-share-trigger:focus-visible {
    transform: translateY(-2px);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 1),
        0 22px 38px rgba(17, 16, 27, 0.18);
    border-color: rgba(255, 255, 255, 0.64);
    outline: none;
}

.brain-color-preview-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.brain-preview-chip {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 11px 16px;
    border-radius: 999px;
    border: 1px solid rgba(20, 19, 26, 0.1);
    background: rgba(255, 255, 255, 0.56);
    cursor: pointer;
    font-size: 0.92rem;
    color: rgba(20, 19, 26, 0.82);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.brain-preview-copy {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.brain-preview-percent {
    font-size: 0.82rem;
    color: rgba(20, 19, 26, 0.56);
}

.brain-preview-chip:hover,
.brain-preview-chip:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(17, 16, 27, 0.08);
    outline: none;
}

.brain-preview-chip[data-active="true"] {
    border-color: rgba(20, 19, 26, 0.18);
    box-shadow: 0 12px 24px rgba(17, 16, 27, 0.08);
}

.brain-preview-chip[data-actual="true"] {
    background: rgba(20, 19, 26, 0.86);
    color: #fff;
}

.brain-preview-chip[data-actual="true"] .brain-preview-percent {
    color: rgba(255, 255, 255, 0.7);
}

.brain-preview-swatch {
    width: 13px;
    height: 13px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.12);
}

.brain-preview-tag {
    margin-left: 4px;
    padding: 4px 9px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    font-size: 0.75rem;
    letter-spacing: 0.03em;
}

.brain-color-profile-card {
    border: 1px solid transparent;
    border-radius: 38px;
    padding: 38px;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 28px 84px rgba(17, 16, 27, 0.16);
    animation: brainResultCardReveal 0.45s ease both;
}

.brain-color-profile-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.24), transparent 32%),
        linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0));
    pointer-events: none;
}

.brain-color-profile-card > * {
    position: relative;
    z-index: 1;
}

.brain-color-profile-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(240px, 0.82fr);
    gap: 28px;
    align-items: start;
    margin-bottom: 30px;
}

.brain-color-profile-copy {
    min-width: 0;
}

.brain-color-profile-wheel-card {
    padding: 20px 22px 22px;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.12));
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.brain-color-profile-wheel-label {
    display: inline-flex;
    margin-bottom: 14px;
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: rgba(255, 255, 255, 0.72);
}

.brain-breakdown-stacked-in-card .brain-wheel-shell {
    width: min(100%, 248px);
}

.brain-breakdown-stacked-in-card .brain-wheel {
    box-shadow:
        0 22px 48px rgba(17, 16, 27, 0.18),
        inset 0 0 0 5px rgba(255, 255, 255, 0.5),
        inset 0 -18px 32px rgba(255, 255, 255, 0.12);
}

.brain-color-profile-eyebrow {
    display: inline-flex;
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.76rem;
    margin-bottom: 16px;
}

.brain-color-profile-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 5vw, 4.8rem);
    line-height: 0.96;
    letter-spacing: -0.05em;
    margin-bottom: 16px;
    max-width: 8ch;
}

.brain-color-profile-lead {
    max-width: 34ch;
    font-size: 1.1rem;
    line-height: 1.72;
    color: rgba(255, 255, 255, 0.92);
}

.brain-color-traits {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}

.brain-trait {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    min-height: 100%;
    padding: 16px 18px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.14);
    line-height: 1.55;
}

.brain-trait-icon-shell {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: inline-grid;
    place-items: center;
    background: var(--brain-icon-shell-background);
    border: 1px solid var(--brain-icon-shell-border);
    box-shadow:
        inset 0 1px 0 var(--brain-icon-shell-inner),
        0 8px 18px var(--brain-icon-shell-shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-shrink: 0;
}

.brain-trait-icon {
    width: 28px;
    height: 28px;
    display: block;
    filter:
        drop-shadow(0 1px 0 rgba(255, 255, 255, 0.26))
        drop-shadow(0 3px 8px var(--brain-icon-glow));
}

.brain-trait-text {
    flex: 1;
}

.brain-color-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.brain-color-detail-card {
    padding: 22px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.13);
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.brain-color-detail-card span {
    display: block;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.68);
    margin-bottom: 8px;
}

.brain-color-detail-card strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.45rem;
    letter-spacing: -0.02em;
}

.brain-color-profile-closing {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 2.3vw, 1.95rem);
    line-height: 1.18;
    letter-spacing: -0.02em;
    color: rgba(255, 255, 255, 0.96);
    text-align: center;
    white-space: pre-line;
}

.brain-color-share-footer {
    margin-top: 24px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    display: grid;
    gap: 12px;
    justify-items: center;
}

.brain-color-share-description {
    max-width: 52ch;
    text-align: center;
    font-size: 0.96rem;
    line-height: 1.68;
    color: rgba(255, 255, 255, 0.8);
}

.brain-color-waitlist {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
    gap: 26px;
    align-items: start;
    padding: 30px;
    border-radius: 32px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.6)),
        radial-gradient(circle at top right, rgba(194, 172, 245, 0.12), transparent 34%);
    border: 1px solid rgba(20, 19, 26, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.48);
}

.brain-color-waitlist-copy h3 {
    font-family: var(--font-display);
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    line-height: 0.98;
    letter-spacing: -0.03em;
    margin-bottom: 14px;
}

.brain-color-waitlist-copy p {
    color: rgba(20, 19, 26, 0.72);
    line-height: 1.7;
    max-width: 42ch;
}

.brain-color-waitlist-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 24px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(20, 19, 26, 0.08);
    box-shadow: 0 18px 40px rgba(17, 16, 27, 0.06);
}

.brain-color-waitlist-form input[type="email"] {
    width: 100%;
    padding: 16px 22px;
    border-radius: 999px;
    border: 1px solid rgba(20, 19, 26, 0.12);
    background: rgba(255, 255, 255, 0.86);
    font-size: 1rem;
    font-family: var(--font-body);
}

.brain-color-waitlist-form input[type="email"]:focus-visible {
    outline: 2px solid var(--brain-blue);
    outline-offset: 2px;
}

.brain-color-waitlist-button {
    margin-top: 2px;
}

.brain-color-waitlist-note {
    color: rgba(20, 19, 26, 0.58);
    font-size: 0.84rem;
    line-height: 1.6;
}

.brain-share-overlay {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-nav) + 20);
    display: grid;
    place-items: center;
    padding: 22px;
    background: rgba(11, 13, 19, 0.44);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    overflow-y: auto;
    overscroll-behavior: contain;
}

.brain-share-dialog {
    width: min(100%, 720px);
    max-height: calc(100dvh - 44px);
    padding: 30px;
    border-radius: 32px;
    border: 1px solid rgba(20, 19, 26, 0.1);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.9)),
        radial-gradient(circle at top right, rgba(194, 172, 245, 0.18), transparent 32%);
    box-shadow: 0 28px 100px rgba(11, 13, 19, 0.2);
    position: relative;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.brain-share-close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(20, 19, 26, 0.1);
    background: rgba(255, 255, 255, 0.8);
    color: rgba(20, 19, 26, 0.72);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
}

.brain-share-panel {
    display: grid;
    gap: 20px;
}

.brain-share-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.1rem);
    line-height: 0.98;
    letter-spacing: -0.04em;
    max-width: 12ch;
}

.brain-share-body {
    color: var(--brain-muted);
    line-height: 1.72;
    max-width: 48ch;
}

.brain-share-color-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.brain-share-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.brain-share-field {
    display: grid;
    gap: 8px;
}

.brain-share-field-label {
    font-size: 0.86rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(20, 19, 26, 0.46);
}

.brain-share-field input {
    width: 100%;
    min-height: 56px;
    padding: 16px 18px;
    border-radius: 18px;
    border: 1px solid rgba(20, 19, 26, 0.12);
    background: rgba(255, 255, 255, 0.88);
    color: rgba(20, 19, 26, 0.88);
    font-size: 1rem;
    font-family: var(--font-body);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.brain-share-field input::placeholder {
    color: rgba(20, 19, 26, 0.4);
}

.brain-share-field input:focus-visible {
    outline: 2px solid rgba(20, 19, 26, 0.18);
    outline-offset: 2px;
    border-color: rgba(20, 19, 26, 0.16);
}

.brain-share-form-note {
    margin-top: -2px;
    color: rgba(20, 19, 26, 0.54);
    line-height: 1.6;
}

.brain-share-form-status {
    min-height: 24px;
    font-size: 0.95rem;
    color: rgba(20, 19, 26, 0.62);
}

.brain-share-form-status[data-state="success"] {
    color: #16794f;
}

.brain-share-form-status[data-state="error"] {
    color: #b23a4b;
}

.brain-share-color-option {
    padding: 18px;
    border-radius: 24px;
    border: 1px solid rgba(20, 19, 26, 0.08);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.68));
    text-align: left;
    cursor: pointer;
    display: grid;
    gap: 12px;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.brain-share-color-option:hover,
.brain-share-color-option:focus-visible {
    transform: translateY(-2px);
    border-color: rgba(20, 19, 26, 0.14);
    box-shadow: 0 18px 36px rgba(17, 16, 27, 0.08);
    outline: none;
}

.brain-share-color-option[data-selected="true"] {
    border-color: var(--brain-share-accent, rgba(20, 19, 26, 0.18));
    box-shadow: 0 0 0 2px rgba(20, 19, 26, 0.08);
}

.brain-share-color-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.brain-share-color-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: rgba(20, 19, 26, 0.76);
    font-size: 0.92rem;
}

.brain-share-color-swatch {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--brain-share-accent, rgba(20, 19, 26, 0.28));
    box-shadow: 0 0 0 6px rgba(20, 19, 26, 0.04);
}

.brain-share-color-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(20, 19, 26, 0.06);
    color: rgba(20, 19, 26, 0.74);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
}

.brain-share-color-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    line-height: 1.08;
    letter-spacing: -0.02em;
    color: rgba(20, 19, 26, 0.9);
}

.brain-share-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
}

.brain-share-actions-single {
    justify-content: flex-start;
}

.brain-share-secondary,
.brain-share-primary {
    border: none;
    cursor: pointer;
}

.brain-share-link-shell {
    display: grid;
    gap: 10px;
    padding: 18px 20px;
    border-radius: 22px;
    background: rgba(20, 19, 26, 0.04);
    border: 1px solid rgba(20, 19, 26, 0.08);
}

.brain-share-link-label {
    font-size: 0.84rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(20, 19, 26, 0.48);
}

.brain-share-link-value {
    font-size: 0.98rem;
    line-height: 1.6;
    color: rgba(20, 19, 26, 0.82);
    word-break: break-word;
}

.brain-share-fallback-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.brain-share-method {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid rgba(20, 19, 26, 0.1);
    background: rgba(255, 255, 255, 0.84);
    color: rgba(20, 19, 26, 0.82);
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.brain-share-method:hover,
.brain-share-method:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 16px 30px rgba(17, 16, 27, 0.08);
    border-color: rgba(20, 19, 26, 0.16);
    outline: none;
}

.brain-share-status {
    min-height: 24px;
    font-size: 0.95rem;
    color: rgba(20, 19, 26, 0.64);
}

@keyframes brainResultCardReveal {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.985);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 1080px) {
    .brain-quiz-stage,
    .brain-color-waitlist {
        grid-template-columns: 1fr;
    }

    .brain-color-profile-hero {
        grid-template-columns: 1fr;
    }

    .brain-color-profile-wheel-card {
        max-width: 340px;
    }
}

@media (max-width: 780px) {
    .brain-color-main {
        padding-top: var(--brain-page-top-offset-mobile);
    }

    .brain-color-intro-card,
    .brain-color-quiz-card,
    .brain-color-result-card,
    .brain-color-share-landing {
        padding: 26px;
        border-radius: 28px;
    }

    .brain-color-intro-card {
        width: 100%;
        padding: 26px;
    }

    .brain-color-waitlist {
        padding: 22px;
        border-radius: 24px;
    }

    .brain-color-quiz-card {
        display: grid;
        grid-template-rows: auto auto 1fr auto;
        gap: 14px;
        min-height: calc(100dvh - 156px);
        max-height: calc(100dvh - 156px);
        overflow: hidden;
    }

    .brain-color-progress {
        gap: 10px;
        margin-bottom: 0;
    }

    .brain-color-progress-top {
        min-height: 26px;
        align-items: center;
    }

    .brain-color-progress-label {
        font-size: 0;
        line-height: 1;
        position: relative;
    }

    .brain-color-progress-label::after {
        content: attr(data-short);
        font-size: 0.95rem;
        color: var(--brain-muted);
    }

    .brain-color-progress-count {
        font-size: 0.95rem;
    }

    .brain-quiz-stage {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        gap: 14px;
        min-height: 0;
    }

    .brain-quiz-intro {
        padding: 0;
    }

    .brain-quiz-intro .brain-color-kicker,
    .brain-quiz-caption {
        display: none;
    }

    .brain-color-question {
        max-width: none;
        font-size: clamp(1.9rem, 7.2vw, 2.65rem);
        line-height: 0.96;
        margin-bottom: 0;
    }

    .brain-color-options {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
        min-height: 0;
        overflow-y: auto;
        padding-right: 2px;
        align-content: start;
    }

    .brain-option {
        min-height: 132px;
        padding: 16px;
        border-radius: 22px;
        gap: 14px;
    }

    .brain-option-topline {
        gap: 10px;
    }

    .brain-option-key {
        width: 30px;
        height: 30px;
        font-size: 0.76rem;
    }

    .brain-option-text {
        font-size: 0.98rem;
        line-height: 1.35;
    }

    .brain-wheel-shell {
        width: min(100%, 238px);
    }

    .brain-wheel-core {
        padding: 14px;
    }

    .brain-wheel-core-value {
        font-size: 1.5rem;
    }

    .brain-wheel-chip {
        min-height: 28px;
        padding: 6px 9px;
        font-size: 0.76rem;
        gap: 6px;
    }

    .brain-color-detail-grid {
        grid-template-columns: 1fr;
    }

    .brain-color-preview-head {
        display: block;
    }

    .brain-color-share-trigger {
        width: 100%;
        justify-content: center;
        min-height: 56px;
        font-size: 1rem;
    }

    .brain-preview-chip {
        width: 100%;
        justify-content: flex-start;
    }

    .brain-preview-copy {
        width: 100%;
        justify-content: space-between;
    }

    .brain-color-actions {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        margin-top: 0;
        padding-top: 4px;
    }

    .brain-color-actions .brain-color-progress-count {
        font-size: 0.88rem;
        color: rgba(20, 19, 26, 0.5);
    }

    .brain-color-share-title {
        max-width: none;
        font-size: clamp(2.2rem, 8vw, 3.2rem);
    }

    .brain-color-share-body {
        max-width: none;
    }

    .brain-color-profile-card {
        padding: 28px;
        border-radius: 30px;
    }

    .brain-color-profile-hero {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 24px;
    }

    .brain-color-profile-wheel-card {
        width: 100%;
        max-width: none;
        padding: 18px 18px 20px;
        border-radius: 24px;
    }

    .brain-color-profile-title {
        max-width: none;
        font-size: clamp(2.4rem, 8vw, 3.4rem);
    }

    .brain-color-profile-lead {
        max-width: none;
        font-size: 1rem;
    }

    .brain-trait {
        padding: 15px 16px;
        gap: 12px;
    }

    .brain-trait-icon-shell {
        width: 40px;
        height: 40px;
        border-radius: 13px;
    }

    .brain-trait-icon {
        width: 26px;
        height: 26px;
    }

    .brain-color-share-footer {
        margin-top: 20px;
        padding-top: 20px;
    }

    .brain-color-share-description {
        max-width: none;
        font-size: 0.94rem;
    }

    .brain-color-empathy-card {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 20px;
        border-radius: 24px;
    }

    .brain-color-empathy-icon-shell {
        width: 42px;
        height: 42px;
        border-radius: 14px;
    }

    .brain-color-empathy-icon {
        width: 28px;
        height: 28px;
    }

    .brain-color-share-cta-shell {
        padding: 20px;
    }

    .brain-color-share-cta {
        width: 100%;
    }

    .brain-color-waitlist-form {
        padding: 20px;
        border-radius: 24px;
    }

    .brain-share-overlay {
        padding: calc(env(safe-area-inset-top, 0px) + 12px) 14px 14px;
        align-items: start;
    }

    .brain-share-dialog {
        width: 100%;
        max-height: calc(100dvh - env(safe-area-inset-top, 0px) - 24px);
        padding: 24px;
        border-radius: 28px;
    }

    .brain-share-title {
        max-width: none;
        font-size: clamp(1.8rem, 7vw, 2.5rem);
    }

    .brain-share-color-grid,
    .brain-share-form-grid,
    .brain-share-fallback-actions {
        grid-template-columns: 1fr;
    }

    .brain-share-actions {
        flex-direction: column-reverse;
        align-items: stretch;
    }

    .brain-share-secondary,
    .brain-share-primary {
        width: 100%;
    }

    body.editorial-theme.brain-share-open .nav-minimal {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-12px) scale(0.98);
    }
}

@media (max-width: 780px) and (max-height: 740px) {
    .brain-color-quiz-card {
        min-height: calc(100dvh - 144px);
        max-height: calc(100dvh - 144px);
        gap: 12px;
    }

    .brain-color-question {
        font-size: clamp(1.72rem, 6.4vw, 2.2rem);
    }

    .brain-option {
        min-height: 118px;
        padding: 14px;
    }

    .brain-option-text {
        font-size: 0.92rem;
        line-height: 1.28;
    }

    .brain-color-actions .brain-color-progress-count {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .brain-option,
    .brain-preview-chip,
    .brain-color-progress-fill,
    .brain-color-profile-card {
        transition: none;
        animation: none;
    }
}