.karat-lab {
    --lab-accent: #b8860b;
    --lab-accent-deep: #6e5004;
    --lab-cream: #fdf6e3;
    --lab-cream-soft: #fffaf0;
    --lab-ink: var(--text);
    --lab-muted: var(--text-muted);
    max-width: 1100px;
    margin: 0 auto;
    color: var(--lab-ink);
}

.karat-lab [hidden] {
    display: none !important;
}

.karat-lab button,
.karat-lab select {
    font: inherit;
}

.karat-lab__breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    color: var(--lab-muted);
    font-size: 13px;
}

.karat-lab__breadcrumb a {
    color: var(--lab-accent-deep);
    font-weight: 700;
    text-decoration: none;
}

.karat-hero {
    position: relative;
    isolation: isolate;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 160px;
    align-items: center;
    gap: 30px;
    min-height: 220px;
    padding: clamp(24px, 4vw, 38px);
    overflow: hidden;
    border: 1px solid rgba(184, 134, 11, .3);
    border-radius: 28px;
    background:
        linear-gradient(130deg, rgba(255, 255, 255, .95), rgba(253, 246, 227, .9)),
        repeating-linear-gradient(45deg, transparent 0 18px, rgba(184, 134, 11, .05) 18px 19px);
    box-shadow: var(--shadow-md);
}

.karat-hero::before,
.karat-hero::after {
    content: "";
    position: absolute;
    z-index: -1;
    pointer-events: none;
}

.karat-hero::before {
    inset: -120px auto auto -80px;
    width: 340px;
    height: 340px;
    border: 1px solid rgba(184, 134, 11, .17);
    transform: rotate(45deg);
}

.karat-hero::after {
    inset: auto -110px -160px auto;
    width: 390px;
    height: 390px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 175, 55, .22), transparent 66%);
}

.karat-hero__copy {
    min-width: 0;
}

.karat-hero__eyebrow,
.karat-section-heading__step {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    margin-bottom: 10px;
    padding: 5px 12px;
    border: 1px solid rgba(184, 134, 11, .24);
    border-radius: 999px;
    background: rgba(184, 134, 11, .08);
    color: var(--lab-accent-deep);
    font-size: 12px;
    font-weight: 800;
}

.karat-hero h1 {
    margin: 0 0 12px;
    color: var(--text);
    font-size: clamp(38px, 7vw, 68px);
    font-weight: 900;
    line-height: 1.1;
}

.karat-hero__copy > p {
    max-width: 680px;
    margin: 0;
    color: var(--lab-muted);
    font-size: clamp(15px, 2.1vw, 18px);
    line-height: 1.9;
}

.karat-hero__hints {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 22px;
}

.karat-hero__hints span {
    padding: 7px 11px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: rgba(255, 255, 255, .7);
    color: var(--lab-muted);
    font-size: 12px;
}

.karat-hero__hints b {
    color: var(--lab-accent-deep);
}

.karat-hero__mark {
    position: relative;
    display: grid;
    place-items: center;
    width: 132px;
    height: 132px;
    margin-inline: auto;
    border: 2px solid rgba(184, 134, 11, .55);
    border-radius: 50%;
    color: #6e5004;
    background:
        radial-gradient(circle at 35% 28%, #fff7ce, #e9c350 52%, #ad7607 100%);
    box-shadow:
        inset 0 0 0 8px rgba(255, 255, 255, .36),
        0 18px 40px rgba(112, 74, 0, .2);
    transform: rotate(-8deg);
}

.karat-hero__mark-ring {
    position: absolute;
    inset: 16px;
    border: 1px dashed rgba(90, 70, 16, .44);
    border-radius: inherit;
}

.karat-hero__mark strong {
    margin-top: 13px;
    font-family: "IBM Plex Mono", monospace;
    font-size: 34px;
    line-height: 1;
    text-shadow: 0 1px rgba(255, 255, 255, .7);
}

.karat-hero__mark small {
    margin-top: -34px;
    font-family: "IBM Plex Mono", monospace;
    font-size: 16px;
    font-weight: 800;
}

.karat-market {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin: 18px 0 28px;
    padding: 18px 22px;
    border: 1px solid var(--border-gold);
    border-radius: 18px;
    background: var(--bg2);
    box-shadow: var(--shadow);
}

.karat-market__copy {
    min-width: 0;
}

.karat-market__live {
    display: flex;
    align-items: center;
    gap: 7px;
    color: var(--green);
    font-size: 11px;
    font-weight: 800;
}

.karat-market__live i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 0 4px rgba(26, 122, 74, .12);
}

.karat-market h2 {
    margin: 4px 0 2px;
    font-size: 17px;
}

.karat-market__copy p {
    margin: 0;
    color: var(--lab-muted);
    font-size: 12px;
}

.karat-market__control {
    display: grid;
    grid-template-columns: auto minmax(180px, 240px);
    align-items: center;
    gap: 5px 10px;
}

.karat-market__control label {
    color: var(--lab-muted);
    font-size: 12px;
    font-weight: 700;
}

.karat-market__control select {
    min-height: 44px;
    padding: 8px 12px;
    border: 1.5px solid var(--border);
    border-radius: 12px;
    outline: none;
    color: var(--text);
    background: var(--bg);
    font-weight: 700;
    cursor: pointer;
}

.karat-market__control select:focus {
    border-color: var(--lab-accent);
    box-shadow: 0 0 0 3px rgba(184, 134, 11, .14);
}

.karat-market__status {
    grid-column: 2;
    min-height: 18px;
    color: var(--lab-muted);
    font-size: 11px;
}

.karat-market__status.is-error {
    color: var(--red);
}

.karat-app {
    display: grid;
    gap: 24px;
}

.karat-stocks,
.karat-bench,
.karat-result,
.karat-learn,
.karat-method {
    border: 1px solid var(--border);
    border-radius: 24px;
    background: var(--bg);
    box-shadow: var(--shadow);
}

.karat-stocks,
.karat-bench {
    padding: clamp(18px, 3vw, 30px);
}

.karat-section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
}

.karat-section-heading h2 {
    margin: 0;
    font-size: clamp(20px, 3vw, 27px);
    line-height: 1.35;
}

.karat-metal-tabs {
    display: flex;
    gap: 5px;
    padding: 4px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--bg2);
}

.karat-metal-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-width: 92px;
    min-height: 42px;
    padding: 8px 15px;
    border: 0;
    border-radius: 10px;
    color: var(--lab-muted);
    background: transparent;
    font-weight: 800;
    cursor: pointer;
}

.karat-metal-tab span {
    color: #d4af37;
}

.karat-metal-tab--silver span {
    color: #aeb7c4;
}

.karat-metal-tab.is-active {
    color: #3a2a00;
    background: linear-gradient(135deg, #f7e27d, #d5a823);
    box-shadow: 0 4px 14px rgba(184, 134, 11, .2);
}

.karat-metal-tab--silver.is-active {
    color: #26303d;
    background: linear-gradient(135deg, #f9fbff, #bcc5cf);
    box-shadow: 0 4px 14px rgba(91, 106, 124, .2);
}

.karat-stocks__instruction {
    margin: 14px 0 12px;
    color: var(--lab-muted);
    font-size: 13px;
}

.karat-mission {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding: 12px;
    border: 1px solid rgba(184, 134, 11, .3);
    border-radius: 16px;
    background:
        linear-gradient(135deg, rgba(255, 251, 235, .96), rgba(250, 236, 188, .72)),
        var(--bg2);
}

.karat-mission__label span {
    display: block;
    color: var(--lab-muted);
    font-size: 9px;
    font-weight: 800;
}

.karat-mission__label strong {
    display: block;
    margin-top: 2px;
    color: var(--lab-accent-deep);
    font-family: "IBM Plex Mono", monospace;
    font-size: 15px;
}

.karat-mission__targets {
    display: flex;
    justify-content: center;
    gap: 5px;
}

.karat-mission__targets button {
    min-width: 52px;
    min-height: 44px;
    padding: 5px 8px;
    border: 1px solid rgba(184, 134, 11, .2);
    border-radius: 10px;
    color: var(--lab-muted);
    background: rgba(255, 255, 255, .66);
    font-family: "IBM Plex Mono", monospace;
    font-size: 12px;
    font-weight: 900;
    cursor: pointer;
}

.karat-mission__targets button small {
    display: block;
    margin-top: 1px;
    font-size: 8px;
}

.karat-mission__targets button.is-active {
    border-color: #9b7008;
    color: #3b2b05;
    background: linear-gradient(135deg, #fff1a8, #d9b337);
    box-shadow: 0 5px 13px rgba(139, 96, 0, .2);
    transform: translateY(-1px);
}

.karat-mission__targets button:focus-visible {
    outline: 3px solid rgba(184, 134, 11, .25);
    outline-offset: 2px;
}

.karat-mission__ratio {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 9px;
    border: 1px dashed rgba(184, 134, 11, .35);
    border-radius: 10px;
    color: var(--lab-muted);
    background: rgba(255, 255, 255, .48);
    font-size: 9px;
    font-weight: 800;
    white-space: nowrap;
}

.karat-mission__ratio b {
    color: var(--lab-accent);
}

.karat-jars {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: end;
    gap: 14px;
}

.karat-jars--silver {
    grid-template-columns: repeat(2, minmax(150px, 190px));
    justify-content: center;
}

.karat-jar {
    --jar-metal: #d6a818;
    --jar-metal-light: #ffe58b;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 0;
    padding: 0 5px 5px;
    border: 0;
    outline: none;
    color: var(--text);
    background: transparent;
    cursor: pointer;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
}

.karat-jar--22 { --jar-metal: #cfa725; --jar-metal-light: #f6dc77; }
.karat-jar--21 { --jar-metal: #c59618; --jar-metal-light: #efce64; }
.karat-jar--18 { --jar-metal: #bd8c24; --jar-metal-light: #e7c979; }
.karat-jar--14 { --jar-metal: #b56f2c; --jar-metal-light: #dfb86d; }
.karat-jar--silver-999 { --jar-metal: #c7d0da; --jar-metal-light: #ffffff; }
.karat-jar--silver-925 { --jar-metal: #aeb8c4; --jar-metal-light: #eef2f6; }
.karat-jar--copper { --jar-metal: #b7683c; --jar-metal-light: #efb08b; }
.karat-jar--master { --jar-metal: #b9853d; --jar-metal-light: #f0d28c; }

.karat-jar.has-been-used::after {
    content: attr(data-used-label);
    position: absolute;
    z-index: 4;
    inset: 9px auto auto 10px;
    min-width: 42px;
    padding: 4px 7px;
    border: 1px solid rgba(184, 134, 11, .32);
    border-radius: 999px;
    color: #4b3503;
    background: rgba(255, 248, 218, .94);
    direction: ltr;
    font-family: "IBM Plex Mono", monospace;
    font-size: 12px;
    font-weight: 900;
    box-shadow: 0 3px 9px rgba(82, 54, 0, .14);
}

.karat-jar__lid {
    position: relative;
    z-index: 2;
    width: 68%;
    height: 18px;
    border: 1px solid rgba(74, 59, 22, .25);
    border-radius: 7px 7px 3px 3px;
    background: repeating-linear-gradient(90deg, #665e50 0 3px, #9a917e 3px 6px);
    box-shadow: 0 3px 5px rgba(0, 0, 0, .12);
    transition: transform .16s ease;
}

.karat-jar__glass {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 152px;
    padding: 48px 7px 14px;
    overflow: hidden;
    border: 1.5px solid rgba(184, 134, 11, .23);
    border-radius: 15px 15px 24px 24px;
    background:
        linear-gradient(105deg, rgba(255, 255, 255, .75) 0 17%, transparent 18% 70%, rgba(255, 255, 255, .42) 71%),
        linear-gradient(180deg, rgba(255, 255, 255, .5), rgba(253, 246, 227, .72));
    box-shadow: inset 0 0 18px rgba(255, 255, 255, .76), 0 8px 18px rgba(82, 63, 11, .08);
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.karat-jars--silver .karat-jar__glass {
    border-color: rgba(130, 145, 164, .34);
    background:
        linear-gradient(105deg, rgba(255, 255, 255, .8) 0 17%, transparent 18% 70%, rgba(255, 255, 255, .45) 71%),
        linear-gradient(180deg, #fbfdff, #e9edf2);
}

.karat-jar__grain {
    position: absolute;
    inset: var(--jar-fill-top, 51%) 0 0;
    opacity: .93;
    background-color: var(--jar-metal);
    background-image:
        radial-gradient(circle at 20% 20%, var(--jar-metal-light) 0 4px, transparent 5px),
        radial-gradient(circle at 70% 36%, var(--jar-metal-light) 0 4px, transparent 5px),
        radial-gradient(circle at 40% 78%, rgba(91, 58, 0, .2) 0 4px, transparent 5px);
    background-size: 24px 22px, 27px 25px, 22px 24px;
    box-shadow: inset 0 7px 12px rgba(255, 255, 255, .25);
    transition: inset .2s ease, transform .2s ease;
}

.karat-jar__glass strong,
.karat-jar__glass small,
.karat-jar__glass em {
    position: relative;
    z-index: 1;
    text-shadow: 0 1px 2px rgba(255, 255, 255, .8);
}

.karat-jar__glass strong {
    font-family: "IBM Plex Mono", monospace;
    font-size: clamp(22px, 3vw, 30px);
    line-height: 1;
}

.karat-jar__glass small {
    margin-top: 5px;
    color: var(--text);
    font-family: Cairo, sans-serif;
    font-size: 14px;
    font-weight: 900;
    line-height: 1.35;
    text-align: center;
}

.karat-jar__glass em {
    margin-top: 7px;
    color: #4d3b08;
    font-size: 11px;
    font-style: normal;
    font-weight: 800;
    line-height: 1.35;
    text-align: center;
}

.karat-jar__popular {
    position: absolute;
    z-index: 3;
    inset: -17px 50% auto auto;
    width: max-content;
    padding: 3px 8px;
    border-radius: 999px;
    color: #fff;
    background: #966b05;
    font-size: 9px;
    font-weight: 800;
    transform: translateX(50%);
    box-shadow: 0 3px 8px rgba(96, 65, 0, .2);
}

.karat-jar__popular--silver {
    background: #657384;
}

.karat-jar:hover .karat-jar__glass,
.karat-jar:focus-visible .karat-jar__glass,
.karat-jar.is-pouring .karat-jar__glass {
    border-color: var(--jar-metal);
    box-shadow: inset 0 0 18px rgba(255, 255, 255, .8), 0 10px 25px rgba(184, 134, 11, .18);
    transform: translateY(-5px) rotate(-1deg);
}

.karat-jar:focus-visible .karat-jar__glass {
    outline: 3px solid rgba(184, 134, 11, .24);
    outline-offset: 3px;
}

.karat-jar.is-pouring .karat-jar__lid {
    transform: translateY(-6px) rotate(5deg);
}

.karat-jar.is-pouring .karat-jar__grain {
    transform: translateY(5px);
}

.karat-jar:disabled {
    cursor: not-allowed;
    opacity: .52;
}

.karat-bench__engine {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 5px 10px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--lab-muted);
    background: var(--bg2);
    font-size: 10px;
    font-weight: 700;
}

.karat-bench__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(260px, .75fr);
    gap: 18px;
    margin-top: 20px;
}

.karat-scene {
    position: relative;
    min-height: 420px;
    overflow: hidden;
    border: 1px solid rgba(184, 134, 11, .22);
    border-radius: 20px;
    background:
        radial-gradient(circle at 52% 76%, rgba(184, 134, 11, .16), transparent 34%),
        linear-gradient(155deg, #1d2430, #090d14 72%);
    box-shadow: inset 0 0 60px rgba(0, 0, 0, .32);
}

.karat-scene canvas {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: block;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity .35s ease;
}

.karat-scene.is-webgl-ready canvas {
    opacity: 1;
}

.karat-scene__fallback {
    position: absolute;
    inset: 0;
    z-index: 1;
    transition: opacity .25s ease;
}

.karat-scene.is-webgl-ready .karat-scene__fallback {
    opacity: 0;
}

.karat-scene__heat {
    position: absolute;
    width: 210px;
    height: 130px;
    inset: 48% auto auto 16%;
    border-radius: 50%;
    opacity: .2;
    background: radial-gradient(circle, #ffb34b, rgba(255, 75, 10, .34) 42%, transparent 70%);
    filter: blur(14px);
    transform: translateY(-50%);
    transition: opacity .3s ease, transform .7s ease;
}

.karat-scene__crucible {
    position: absolute;
    inset: 48% auto auto 19%;
    width: 150px;
    height: 104px;
    border: 8px solid #4e5157;
    border-top-width: 13px;
    border-radius: 22px 22px 54px 54px;
    background: linear-gradient(110deg, #26282d, #6d7075 48%, #24262a);
    box-shadow: inset 0 12px 15px #08090b, 0 20px 24px rgba(0, 0, 0, .4);
    transform: translateY(-50%);
}

.karat-scene__liquid {
    position: absolute;
    inset: -8px 12px auto;
    height: 20px;
    border-radius: 50%;
    opacity: 0;
    background: #f3bd2f;
    box-shadow: 0 0 18px #ff8f18, 0 0 38px rgba(255, 94, 15, .65);
    transform: scale(.25);
    transition: opacity .3s ease, transform .55s ease;
}

.karat-scene__grain-bed {
    --grain-scale: .38;
    position: absolute;
    z-index: 2;
    inset: -9px 10px auto;
    height: 24px;
    border: 2px solid rgba(255, 255, 255, .2);
    border-radius: 50%;
    opacity: 0;
    background-color: #d8aa2d;
    background-image:
        radial-gradient(circle at 16% 42%, rgba(255, 255, 255, .65) 0 3px, transparent 4px),
        radial-gradient(circle at 52% 65%, rgba(255, 255, 255, .45) 0 3px, transparent 4px),
        radial-gradient(circle at 78% 28%, rgba(67, 45, 7, .28) 0 3px, transparent 4px),
        var(--mix-gradient, linear-gradient(90deg, #e6b928, #e6b928));
    background-size: 19px 17px, 23px 21px, 21px 19px, 100% 100%;
    box-shadow: inset 0 4px 7px rgba(255, 255, 255, .3), 0 0 12px rgba(231, 185, 45, .2);
    transform: scaleX(var(--grain-scale));
    transition: opacity .18s ease, transform .2s ease, background .2s ease;
}

.karat-scene__mold {
    position: absolute;
    inset: 59% 13% auto auto;
    width: 205px;
    height: 94px;
    border: 14px solid #484d55;
    border-radius: 22px;
    background: #11151b;
    box-shadow: inset 0 0 20px #050608, 0 20px 25px rgba(0, 0, 0, .42);
    transform: perspective(500px) rotateX(52deg) rotateZ(-5deg);
}

.karat-scene__bar {
    position: absolute;
    inset: 9px;
    display: grid;
    place-items: center;
    border-radius: 11px;
    opacity: 0;
    color: #634400;
    background: linear-gradient(135deg, #ffed9c, #c99517 55%, #7f5300);
    box-shadow: inset 0 2px 5px rgba(255, 255, 255, .8), 0 0 22px rgba(255, 155, 29, .54);
    transform: scaleX(.05);
    transition: opacity .3s ease, transform .7s cubic-bezier(.2, .8, .2, 1);
}

.karat-scene__bar b {
    font-family: "IBM Plex Mono", monospace;
    font-size: 20px;
}

.karat-scene__particles {
    position: absolute;
    inset: 0;
}

.karat-scene__particle {
    position: absolute;
    z-index: 2;
    top: 6%;
    left: var(--particle-x, 32%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--particle-color, #e9bb36);
    box-shadow: inset 1px 1px 2px rgba(255, 255, 255, .8), 0 0 6px currentColor;
    animation: karat-fallback-pour .72s cubic-bezier(.42, 0, .9, .54) forwards;
}

@keyframes karat-fallback-pour {
    to {
        top: 43%;
        left: calc(var(--particle-x, 32%) - 7%);
        opacity: .3;
        transform: translateY(20px) scale(.55);
    }
}

.karat-scene.is-smelting .karat-scene__heat {
    opacity: 1;
    transform: translateY(-50%) scale(1.25);
    animation: karat-heat-pulse .7s ease-in-out infinite alternate;
}

.karat-scene.is-smelting .karat-scene__crucible {
    border-color: #8d4b26;
}

.karat-scene.is-smelting .karat-scene__liquid {
    opacity: 1;
    transform: scale(1);
}

.karat-scene.is-smelting .karat-scene__grain-bed,
.karat-scene.is-result .karat-scene__grain-bed {
    opacity: 0 !important;
}

.karat-scene.is-result .karat-scene__bar {
    opacity: 1;
    transform: scaleX(1);
}

@keyframes karat-heat-pulse {
    to { opacity: .68; filter: blur(20px); }
}

.karat-scene__label {
    position: absolute;
    z-index: 4;
    inset: auto 14px 14px auto;
    padding: 7px 11px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 10px;
    color: rgba(255, 255, 255, .78);
    background: rgba(7, 10, 15, .65);
    backdrop-filter: blur(8px);
    font-size: 11px;
    font-weight: 700;
}

.karat-scene__noscript {
    position: absolute;
    z-index: 6;
    inset: 20px;
    padding: 12px;
    color: #fff;
    background: #8d3226;
}

.karat-tray {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--bg2);
}

.karat-tray__weight-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 10px;
}

.karat-tray__weight-row > div > span,
.karat-tray__value > span {
    display: block;
    color: var(--lab-muted);
    font-size: 11px;
    font-weight: 700;
}

.karat-tray__weight-row strong {
    display: block;
    margin-top: 3px;
    font-family: "IBM Plex Mono", monospace;
    font-size: clamp(38px, 5vw, 50px);
    line-height: 1.2;
}

.karat-tray__weight-row strong small {
    font-family: Cairo, sans-serif;
    font-size: 15px;
}

.karat-tray__limit {
    color: var(--lab-muted);
    font-size: 11px;
}

.karat-tray__meter {
    height: 9px;
    margin: 12px 0 16px;
    overflow: hidden;
    border-radius: 999px;
    background: var(--border);
}

.karat-tray__meter span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #b8860b, #f7e27d);
    transition: width .2s ease;
}

.karat-tray__meter.is-full span {
    background: linear-gradient(90deg, #b96d1e, #f0b14d);
}

.karat-formula {
    margin-bottom: 12px;
    padding: 12px;
    border: 1px solid rgba(184, 134, 11, .24);
    border-radius: 14px;
    background: var(--bg);
}

.karat-formula__result {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.karat-formula__result span,
.karat-formula > small {
    color: var(--lab-muted);
    font-size: 10px;
    font-weight: 700;
}

.karat-formula__result strong {
    color: var(--lab-accent-deep);
    font-family: "IBM Plex Mono", monospace;
    font-size: 25px;
}

.karat-formula__result > div {
    display: flex;
    align-items: center;
    gap: 8px;
}

.karat-formula__result i {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, .75);
    border-radius: 50%;
    background: transparent;
    box-shadow: 0 0 0 1px rgba(89, 67, 10, .2);
}

.karat-formula__equation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 7px 0 2px;
    color: var(--lab-muted);
    font-family: "IBM Plex Mono", monospace;
    font-size: 12px;
}

.karat-formula__equation b {
    color: var(--text);
}

.karat-formula__gauge {
    position: relative;
    height: 10px;
    margin-top: 10px;
    border-radius: 999px;
    background: linear-gradient(90deg, #9c5b3b, #c6b6a0 42%, #e5b82b);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, .18);
}

.karat-formula__gauge > span {
    position: absolute;
    inset: 0 auto 0 0;
    width: 0;
    border-radius: inherit;
    background: rgba(255, 255, 255, .34);
    border-inline-end: 2px solid #fff;
    transition: width .22s ease;
}

.karat-formula__gauge > i {
    position: absolute;
    z-index: 2;
    top: -4px;
    left: 87.5%;
    width: 3px;
    height: 18px;
    border-radius: 3px;
    background: #17191e;
    box-shadow: 0 0 0 2px #fff, 0 2px 5px rgba(0, 0, 0, .3);
    transform: translateX(-50%);
    transition: left .2s ease;
}

.karat-formula__feedback {
    min-height: 18px;
    margin: 8px 0 0;
    color: var(--lab-muted);
    font-size: 10px;
    font-weight: 800;
}

.karat-formula__feedback.is-hit {
    color: #23734b;
}

.karat-formula__targets {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 4px;
    margin-top: 10px;
}

.karat-formula__targets[data-silver-targets] {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.karat-formula__targets > span {
    padding: 5px 2px;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--lab-muted);
    background: var(--bg2);
    font-family: "IBM Plex Mono", monospace;
    font-size: 10px;
    font-weight: 800;
    text-align: center;
    transition: border-color .18s ease, color .18s ease, background .18s ease, transform .18s ease;
}

.karat-formula__targets > span small {
    display: block;
    margin-top: 2px;
    font-size: 7px;
}

.karat-formula__targets > span.is-nearest {
    border-color: rgba(184, 134, 11, .55);
    color: var(--lab-accent-deep);
}

.karat-formula__targets > span.is-hit {
    border-color: #b8860b;
    color: #3a2a00;
    background: linear-gradient(135deg, #fff0a5, #dbb638);
    box-shadow: 0 4px 12px rgba(184, 134, 11, .2);
    transform: translateY(-2px);
}

.karat-tray__empty {
    display: grid;
    place-items: center;
    flex: 1;
    min-height: 100px;
    padding: 18px;
    border: 1px dashed var(--border);
    border-radius: 14px;
    color: var(--lab-muted);
    text-align: center;
}

.karat-tray__empty span {
    color: var(--lab-accent);
    font-size: 24px;
}

.karat-tray__empty p {
    margin: 4px 0 0;
    font-size: 12px;
}

.karat-tray__mix {
    display: grid;
    gap: 7px;
    max-height: 126px;
    margin: 0;
    padding: 0;
    overflow: auto;
    list-style: none;
}

.karat-tray__mix:empty {
    display: none;
}

.karat-tray__mix li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg);
    font-size: 13px;
}

.karat-tray__mix li span {
    display: flex;
    align-items: center;
    gap: 7px;
    min-width: 0;
    font-weight: 900;
    line-height: 1.4;
}

.karat-tray__mix li i {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--mix-color);
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, .75);
}

.karat-tray__mix li b {
    font-family: "IBM Plex Mono", monospace;
    font-size: 16px;
    white-space: nowrap;
}

.karat-tray__mix-controls {
    display: flex;
    align-items: center;
    gap: 7px;
}

.karat-tray__mix-controls button {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--lab-muted);
    background: var(--bg2);
    font-family: "IBM Plex Mono", monospace;
    font-size: 17px;
    font-weight: 800;
    cursor: pointer;
}

.karat-result h2:focus {
    outline: none;
}

.karat-result h2:focus-visible {
    border-radius: 6px;
    outline: 3px solid rgba(184, 134, 11, .25);
    outline-offset: 4px;
}

.karat-tray__mix-controls button:hover:not(:disabled) {
    border-color: rgba(184, 134, 11, .45);
    color: var(--lab-accent-deep);
}

.karat-button--smelt.is-target-ready {
    box-shadow: 0 0 0 3px rgba(211, 172, 42, .18), 0 9px 24px rgba(139, 94, 0, .32);
}

.karat-tray__value {
    margin-top: auto;
    padding: 14px 0 12px;
}

.karat-tray__value strong {
    display: block;
    margin: 3px 0;
    color: var(--lab-accent-deep);
    font-family: "IBM Plex Mono", monospace;
    font-size: clamp(20px, 2.4vw, 25px);
}

.karat-tray__value small {
    color: var(--lab-muted);
    font-size: 9px;
}

.karat-tray__actions,
.karat-result__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.karat-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 46px;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: 12px;
    font-weight: 800;
    cursor: pointer;
    transition: transform .16s ease, box-shadow .16s ease, opacity .16s ease;
}

.karat-button:hover:not(:disabled) {
    transform: translateY(-1px);
}

.karat-button:focus-visible {
    outline: 3px solid rgba(184, 134, 11, .27);
    outline-offset: 2px;
}

.karat-button:disabled {
    cursor: not-allowed;
    opacity: .45;
}

.karat-button--ghost {
    flex: .75;
    border-color: var(--border);
    color: var(--lab-muted);
    background: var(--bg);
}

.karat-button--smelt {
    flex: 1.25;
    color: #fff;
    background: linear-gradient(135deg, #c98f0b, #765000);
    box-shadow: 0 7px 18px rgba(139, 94, 0, .22);
}

.karat-button--smelt.is-loading span {
    animation: karat-fire-spin .75s linear infinite;
}

@keyframes karat-fire-spin {
    to { transform: rotate(1turn); }
}

.karat-tray__announcement {
    min-height: 18px;
    margin: 8px 0 0;
    color: var(--lab-muted);
    font-size: 10px;
    text-align: center;
}

.karat-result {
    position: relative;
    isolation: isolate;
    padding: clamp(22px, 4vw, 42px);
    overflow: hidden;
    border-color: rgba(184, 134, 11, .34);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, .96), rgba(253, 246, 227, .86)),
        repeating-linear-gradient(-45deg, transparent 0 24px, rgba(184, 134, 11, .04) 24px 25px);
    box-shadow: var(--shadow-lg);
}

.karat-result.is-revealed {
    animation: karat-result-in .48s cubic-bezier(.2, .8, .2, 1) both;
}

@keyframes karat-result-in {
    from { opacity: 0; transform: translateY(14px) scale(.99); }
}

.karat-result__flare {
    position: absolute;
    z-index: -1;
    inset: -120px -160px auto auto;
    width: 430px;
    height: 430px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(247, 226, 125, .42), transparent 68%);
    pointer-events: none;
}

.karat-result__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(184, 134, 11, .18);
}

.karat-result__header h2 {
    margin: 0 0 5px;
    font-size: clamp(26px, 4.5vw, 40px);
}

.karat-result__header p {
    margin: 0;
    color: var(--lab-muted);
}

.karat-result__challenge {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 9px;
}

.karat-result__challenge span,
.karat-result__challenge strong {
    padding: 5px 9px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--lab-muted);
    background: var(--bg2);
    font-size: 9px;
}

.karat-result.is-target-hit .karat-result__challenge span {
    border-color: rgba(35, 115, 75, .3);
    color: #23734b;
    background: rgba(50, 160, 105, .09);
    font-weight: 900;
}

.karat-result.is-target-hit .karat-result__flare {
    animation: karat-result-glow 1.2s ease-in-out infinite alternate;
}

@keyframes karat-result-glow {
    to { opacity: .62; transform: scale(1.08); }
}

.karat-result__seal {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 82px;
    height: 82px;
    border: 2px solid rgba(126, 87, 4, .45);
    border-radius: 50%;
    color: #604200;
    background: linear-gradient(145deg, #fff0a8, #c69013);
    box-shadow: inset 0 0 0 5px rgba(255, 255, 255, .35), 0 8px 20px rgba(126, 87, 4, .2);
    font-family: "IBM Plex Mono", monospace;
    font-size: 21px;
    font-weight: 800;
    transform: rotate(-7deg);
}

.karat-result__grid {
    display: grid;
    grid-template-columns: minmax(260px, 1fr) minmax(280px, 1fr);
    align-items: center;
    gap: 36px;
    padding: 30px 0;
}

.karat-result__bar-wrap {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 210px;
    perspective: 650px;
}

.karat-result__bar {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: min(84%, 360px);
    aspect-ratio: 2.05;
    border: 1px solid rgba(86, 56, 0, .28);
    border-radius: 19px 19px 25px 25px;
    color: #5c3d00;
    background: linear-gradient(140deg, #ffed9c 3%, var(--result-bar-color, #d4af37) 48%, #865600 100%);
    box-shadow:
        inset 0 4px 5px rgba(255, 255, 255, .74),
        inset 0 -7px 12px rgba(77, 42, 0, .2),
        0 22px 35px rgba(79, 51, 0, .22);
    transform: rotateX(11deg) rotateZ(-3deg);
}

.karat-result__bar::before {
    content: "";
    position: absolute;
    inset: 12px;
    border: 1px solid rgba(86, 56, 0, .28);
    border-radius: 12px;
}

.karat-result__bar span {
    position: relative;
    z-index: 1;
    font-family: "IBM Plex Mono", monospace;
    font-size: clamp(33px, 6vw, 55px);
    font-weight: 800;
    line-height: 1;
    text-shadow: 0 1px rgba(255, 255, 255, .6);
}

.karat-result__bar small {
    position: relative;
    z-index: 1;
    margin-top: 8px;
    font-family: "IBM Plex Mono", monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .13em;
}

.karat-result__bar-shadow {
    position: absolute;
    z-index: 1;
    width: 78%;
    height: 38px;
    margin-top: 170px;
    border-radius: 50%;
    background: rgba(63, 42, 0, .2);
    filter: blur(13px);
}

.karat-result__summary {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.karat-result__metric {
    padding: 15px;
    border: 1px solid rgba(184, 134, 11, .17);
    border-radius: 14px;
    background: rgba(255, 255, 255, .62);
}

.karat-result__metric > span {
    display: block;
    color: var(--lab-muted);
    font-size: 11px;
    font-weight: 700;
}

.karat-result__metric strong {
    display: block;
    margin-top: 4px;
    font-family: "IBM Plex Mono", monospace;
    font-size: 20px;
}

.karat-result__metric--value {
    grid-column: 1 / -1;
    border-color: rgba(184, 134, 11, .3);
    background: linear-gradient(135deg, rgba(255, 249, 224, .9), rgba(255, 255, 255, .7));
}

.karat-result__metric--value strong {
    color: var(--lab-accent-deep);
    font-size: clamp(23px, 3vw, 31px);
}

.karat-result__metric--value small {
    display: block;
    margin-top: 2px;
    color: var(--lab-muted);
    font-size: 9px;
}

.karat-composition {
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: rgba(255, 255, 255, .58);
}

.karat-composition__heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.karat-composition__heading h3 {
    margin: 0;
    font-size: 18px;
}

.karat-composition__heading span {
    color: var(--lab-muted);
    font-size: 10px;
}

.karat-composition__bar {
    display: flex;
    height: 14px;
    margin: 14px 0 16px;
    overflow: hidden;
    border-radius: 999px;
    background: var(--border);
}

.karat-composition__bar span {
    min-width: 0;
    height: 100%;
    transition: width .45s ease;
}

.karat-composition__table {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
}

.karat-composition__table [role="row"] {
    display: grid;
    gap: 3px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 11px;
    background: var(--bg);
}

.karat-composition__table [role="row"].is-zero {
    opacity: .48;
}

.karat-composition__table span {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--lab-muted);
    font-size: 10px;
}

.karat-composition__table i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.karat-composition__table .is-au { background: #d4a51d; }
.karat-composition__table .is-ag { background: #b9c4cf; }
.karat-composition__table .is-cu { background: #b7683c; }
.karat-composition__table .is-zn { background: #6f8093; }
.karat-composition__table .is-other { background: #9b8c78; }

.karat-composition__table strong,
.karat-composition__table small {
    font-family: "IBM Plex Mono", monospace;
}

.karat-composition__table strong {
    font-size: 16px;
}

.karat-composition__table small {
    color: var(--lab-muted);
    font-size: 9px;
}

.karat-result__fact {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 15px;
    padding: 13px 15px;
    border-inline-start: 4px solid var(--lab-accent);
    border-radius: 10px;
    background: rgba(184, 134, 11, .08);
}

.karat-result__fact p {
    margin: 0;
    font-size: 13px;
    line-height: 1.7;
}

.karat-result__disclaimer {
    margin: 13px 0;
    color: var(--lab-muted);
    font-size: 10px;
    line-height: 1.7;
}

.karat-result__actions {
    padding-top: 12px;
    border-top: 1px solid rgba(184, 134, 11, .16);
}

.karat-button--share {
    color: #fff;
    background: linear-gradient(135deg, #c18b0d, #715000);
    box-shadow: 0 7px 18px rgba(113, 80, 0, .2);
}

.karat-button--download {
    border-color: rgba(184, 134, 11, .3);
    color: var(--lab-accent-deep);
    background: rgba(255, 255, 255, .7);
}

.karat-button--again {
    margin-inline-start: auto;
    border-color: var(--border);
    color: var(--lab-muted);
    background: var(--bg2);
}

.karat-result__share-status {
    min-height: 20px;
    margin: 8px 0 0;
    color: var(--lab-muted);
    font-size: 11px;
}

.karat-learn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 28px;
    padding: 16px 20px;
}

.karat-learn > strong {
    font-size: 13px;
}

.karat-learn nav {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.karat-learn nav a {
    padding: 7px 10px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--lab-accent-deep);
    background: var(--bg2);
    font-size: 11px;
    font-weight: 800;
    text-decoration: none;
}

.karat-learn__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 18px;
}

.karat-learn__card {
    display: flex;
    flex-direction: column;
    min-height: 190px;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 16px;
    color: var(--text);
    background: var(--bg2);
    text-decoration: none;
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.karat-learn__card:hover {
    border-color: rgba(184, 134, 11, .4);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.karat-learn__card > span {
    color: var(--lab-accent);
    font-family: "IBM Plex Mono", monospace;
    font-size: 12px;
    font-weight: 800;
}

.karat-learn__card h3 {
    margin: 16px 0 5px;
    font-size: 17px;
}

.karat-learn__card p {
    margin: 0;
    color: var(--lab-muted);
    font-size: 12px;
    line-height: 1.7;
}

.karat-learn__card b {
    margin-top: auto;
    padding-top: 14px;
    color: var(--lab-accent-deep);
    font-size: 11px;
}

.karat-method {
    display: block;
    margin-top: 18px;
    padding: 10px;
    color: var(--lab-muted);
    font-size: 12px;
    line-height: 1.8;
}

.karat-method h2 {
    margin: 0 0 5px;
    color: var(--text);
    font-size: 17px;
}

.karat-method p {
    margin: 10px 0 0;
}

.karat-method details {
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg2);
}

.karat-method summary {
    color: var(--lab-accent-deep);
    font-weight: 800;
    cursor: pointer;
}

.karat-method ul {
    margin: 10px 0 0;
    padding-inline-start: 19px;
}

.karat-method a {
    color: var(--lab-accent-deep);
    font-weight: 700;
}

html[data-theme="night"] .karat-lab {
    --lab-accent-deep: #f0cf61;
    --lab-cream: #181e29;
    --lab-cream-soft: #202735;
}

html[data-theme="night"] .karat-hero {
    background:
        linear-gradient(130deg, rgba(31, 38, 51, .98), rgba(24, 29, 40, .94)),
        repeating-linear-gradient(45deg, transparent 0 18px, rgba(212, 175, 55, .05) 18px 19px);
}

html[data-theme="night"] .karat-mission {
    background: linear-gradient(135deg, rgba(42, 38, 26, .95), rgba(62, 50, 23, .78));
}

html[data-theme="night"] .karat-mission__targets button,
html[data-theme="night"] .karat-mission__ratio {
    background: rgba(28, 33, 44, .72);
}

html[data-theme="night"] .karat-mission__targets button.is-active {
    color: #3b2b05;
    background: linear-gradient(135deg, #fff1a8, #d9b337);
}

html[data-theme="night"] .karat-hero__hints span,
html[data-theme="night"] .karat-result__metric,
html[data-theme="night"] .karat-composition,
html[data-theme="night"] .karat-button--download {
    background: rgba(26, 32, 44, .72);
}

html[data-theme="night"] .karat-result {
    background:
        linear-gradient(135deg, rgba(29, 36, 49, .98), rgba(25, 30, 41, .92)),
        repeating-linear-gradient(-45deg, transparent 0 24px, rgba(212, 175, 55, .04) 24px 25px);
}

html[data-theme="night"] .karat-jar__glass em {
    color: #f0d676;
}

html[data-theme="night"] .karat-jars:not(.karat-jars--silver) .karat-jar__glass {
    background:
        linear-gradient(105deg, rgba(255, 255, 255, .11) 0 17%, transparent 18% 70%, rgba(255, 255, 255, .07) 71%),
        linear-gradient(180deg, #252c38, #20252f);
}

html[data-theme="night"] .karat-jars--silver .karat-jar__glass {
    background:
        linear-gradient(105deg, rgba(255, 255, 255, .14) 0 17%, transparent 18% 70%, rgba(255, 255, 255, .08) 71%),
        linear-gradient(180deg, #2b3340, #202631);
}

@media (max-width: 820px) {
    .karat-hero {
        grid-template-columns: minmax(0, 1fr) 140px;
        min-height: 210px;
    }

    .karat-hero__mark {
        width: 130px;
        height: 130px;
    }

    .karat-hero__mark strong {
        font-size: 34px;
    }

    .karat-hero__mark small {
        margin-top: -34px;
    }

    .karat-jars {
        gap: 9px;
    }

    .karat-jar__glass {
        min-height: 140px;
    }

    .karat-bench__grid {
        grid-template-columns: 1fr;
    }

    .karat-tray {
        min-height: 280px;
    }

    .karat-result__grid {
        gap: 20px;
    }

    .karat-composition__table {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .karat-lab {
        width: calc(100% - 16px);
        margin-inline: auto;
    }

    .karat-lab__breadcrumb {
        display: none;
    }

    .karat-hero {
        grid-template-columns: 1fr;
        gap: 0;
        min-height: 0;
        padding: 10px 14px;
        border-radius: 14px;
    }

    .karat-hero__mark {
        display: none;
    }

    .karat-hero__eyebrow {
        display: none;
    }

    .karat-hero h1 {
        margin: 0;
        font-size: 27px;
    }

    .karat-hero__copy,
    .karat-hero__copy > p {
        margin-inline-start: 0;
        padding-inline-start: 0;
    }

    .karat-hero__copy > p {
        display: none;
    }

    .karat-market {
        display: block;
        margin: 7px 0 10px;
        padding: 8px 10px;
        border-radius: 12px;
    }

    .karat-market__copy,
    .karat-market__control label {
        display: none;
    }

    .karat-market__control {
        grid-template-columns: 1fr;
        gap: 2px;
    }

    .karat-market__control select {
        width: 100%;
        min-height: 40px;
        padding: 6px 8px;
        font-size: 11px;
    }

    .karat-market__status {
        grid-column: 1;
        min-height: 0;
        text-align: center;
        font-size: 9px;
    }

    .karat-app {
        gap: 14px;
    }

    .karat-stocks,
    .karat-bench {
        padding: 14px;
        border-radius: 18px;
    }

    .karat-section-heading {
        align-items: stretch;
        flex-direction: column;
        gap: 8px;
    }

    .karat-section-heading__step {
        margin-bottom: 3px;
        padding: 3px 8px;
        font-size: 9px;
    }

    .karat-section-heading h2 {
        font-size: 19px;
    }

    .karat-stocks__instruction {
        margin: 8px 0;
        font-size: 12px;
    }

    .karat-mission {
        grid-template-columns: 1fr;
        gap: 7px;
        margin-bottom: 14px;
        padding: 8px;
        border-radius: 12px;
    }

    .karat-mission__label {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .karat-mission__targets {
        justify-content: stretch;
    }

    .karat-mission__targets button {
        flex: 1;
        min-width: 0;
        padding-inline: 4px;
    }

    .karat-mission__ratio {
        justify-content: center;
        padding: 5px 7px;
        white-space: normal;
    }

    .karat-metal-tabs {
        width: 100%;
    }

    .karat-metal-tab {
        flex: 1;
        min-width: 68px;
        min-height: 40px;
        padding: 6px 10px;
        font-size: 12px;
    }

    .karat-jars {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-auto-columns: auto;
        grid-auto-flow: row;
        justify-content: stretch;
        gap: 12px 8px;
        margin: 0;
        padding: 12px 0 2px;
        overflow: visible;
    }

    .karat-jars--silver {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .karat-jar {
        width: 100%;
    }

    .karat-jar__glass {
        min-height: 132px;
        padding: 42px 5px 11px;
    }

    .karat-jar__glass strong {
        font-size: 25px;
    }

    .karat-jar__glass small {
        font-size: 13px;
    }

    .karat-jar__glass em {
        font-size: 10px;
    }

    .karat-jar.has-been-used::after {
        inset: 6px auto auto 5px;
        min-width: 38px;
        font-size: 11px;
    }

    .karat-bench .karat-section-heading {
        display: block;
    }

    .karat-bench__engine {
        display: none;
    }

    .karat-bench__grid {
        margin-top: 12px;
    }

    .karat-scene {
        min-height: 300px;
    }

    .karat-scene__crucible {
        inset-inline-start: 10%;
        width: 125px;
        height: 90px;
    }

    .karat-scene__mold {
        inset-inline-end: 7%;
        width: 160px;
        height: 78px;
    }

    .karat-result__header {
        align-items: flex-start;
        gap: 10px;
    }

    .karat-result__header > div:first-child {
        min-width: 0;
    }

    .karat-result__header h2 {
        font-size: 24px;
    }

    .karat-result__seal {
        width: 64px;
        height: 64px;
        font-size: 16px;
    }

    .karat-result__grid {
        grid-template-columns: 1fr;
        padding: 18px 0;
    }

    .karat-result__bar-wrap {
        min-height: 190px;
    }

    .karat-composition {
        padding: 14px;
    }

    .karat-composition__table {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .karat-tray__weight-row strong {
        font-size: clamp(46px, 15vw, 58px);
    }

    .karat-formula__equation,
    .karat-formula > small,
    .karat-tray__value small {
        display: none;
    }

    .karat-tray__mix li {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 6px;
        padding: 7px 8px;
    }

    .karat-tray__mix-controls {
        gap: 5px;
    }

    .karat-button--share,
    .karat-button--download {
        flex: 1 1 140px;
    }

    .karat-button--again {
        flex: 1 1 100%;
        margin-inline-start: 0;
    }

    .karat-learn {
        align-items: flex-start;
        flex-direction: column;
    }

    .karat-learn__grid,
    .karat-method {
        grid-template-columns: 1fr;
    }

    .karat-learn__card {
        min-height: 155px;
    }
}

@media (max-width: 390px) {
    .karat-scene {
        min-height: 275px;
    }

    .karat-tray__actions {
        flex-direction: column;
    }

    .karat-composition__table {
        grid-template-columns: 1fr;
    }

    .karat-result {
        padding: 16px;
    }

    .karat-result__seal {
        width: 54px;
        height: 54px;
        font-size: 14px;
    }

    .karat-result__actions {
        flex-direction: column;
    }

    .karat-result__actions .karat-button {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .karat-lab *,
    .karat-lab *::before,
    .karat-lab *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}