html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

/*
 * The loader is a static replica of the auth screen shown while Wasm boots, so
 * it has to be the same scene the app fades into: the cool near-white ladder of
 * `ui/theme/Theme.kt`, near-black actions, and berry reserved for the seed mark.
 * When Colors changes there, change it here — the two are one surface with a
 * cut in the middle, and a warm loader handing over to a cool app reads as a
 * flash of the wrong product.
 */
:root {
    --paper: #f7f8fa;
    --paper-bright: #ffffff;
    --paper-deep: #eef0f3;
    --ink: #17181c;
    --ink-soft: #4a4d55;
    /* The official mark only — never chrome. */
    --berry: #7a1837;
    --line: rgba(23, 24, 28, 0.14);
    --text-soft: rgba(23, 24, 28, 0.66);
    --text-faint: rgba(23, 24, 28, 0.42);
    --ease: cubic-bezier(0.2, 0.75, 0.25, 1);
}

body {
    background: var(--paper);
    color: var(--ink);
    font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
}

.yemesh-loader {
    position: fixed;
    inset: 0;
    z-index: 1000;
    isolation: isolate;
    overflow: hidden;
    /* Plain paper. The two berry glows that used to sit in the corners were the
       same decoration the Compose auth backdrop dropped. */
    background: var(--paper);
    animation: yemesh-reveal 650ms var(--ease) both;
}

.yemesh-loader.is-exiting {
    pointer-events: none;
    animation: yemesh-exit 420ms var(--ease) both;
}

.yemesh-loader::before {
    position: absolute;
    inset: 0;
    content: "";
    opacity: 0.5;
    background-image:
        linear-gradient(rgba(23, 24, 28, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23, 24, 28, 0.06) 1px, transparent 1px);
    background-size: 96px 96px;
    mask-image: radial-gradient(circle at 50% 50%, black, transparent 78%);
}

.yemesh-loader::after {
    position: absolute;
    inset: -20%;
    z-index: 1;
    pointer-events: none;
    content: "";
    opacity: 0;
    background: linear-gradient(
        104deg,
        transparent 38%,
        rgba(23, 24, 28, 0.030) 46%,
        rgba(23, 24, 28, 0.055) 50%,
        rgba(23, 24, 28, 0.030) 54%,
        transparent 62%
    );
    transform: translateX(-58%);
    animation: yemesh-scan 4.8s ease-in-out 900ms infinite;
}

.yemesh-loader-stage {
    position: relative;
    box-sizing: border-box;
    width: min(1360px, calc(100% - 80px));
    height: 100%;
    margin: 0 auto;
    padding: 28px 0 24px;
    display: grid;
    grid-template-rows: auto 1fr auto;
}

/*
 * 11px, not the 9px archive index: these two lines stand alone on their own rule
 * and get read, exactly like the Compose auth footer they mirror. 9px stays for
 * labels that sit against a graphic — the eyebrow and the specimen coordinates.
 */
.yemesh-loader-header,
.yemesh-loader-footer {
    position: relative;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-faint);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.yemesh-loader-header {
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
    transform-origin: left center;
    animation: yemesh-rule-in 760ms var(--ease) 80ms both;
}

.yemesh-loader-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.yemesh-loader-wordmark {
    color: var(--ink);
    font-family: "Iowan Old Style", Baskerville, Palatino, Georgia, serif;
    font-size: 30px;
    font-weight: 600;
    letter-spacing: -0.04em;
    text-transform: none;
}

.yemesh-loader-mini-mark,
.yemesh-loader-seeds {
    position: relative;
    display: block;
}

.yemesh-loader-mini-mark {
    width: 24px;
    height: 24px;
}

.yemesh-loader-mini-mark i,
.yemesh-loader-seeds i {
    position: absolute;
    display: block;
    border-radius: 50%;
    background: var(--berry);
}

.yemesh-loader-mini-mark i {
    width: 8px;
    height: 7px;
}

.yemesh-loader-mini-mark i:nth-child(1) { left: 2px; top: 4px; }
.yemesh-loader-mini-mark i:nth-child(2) { right: 2px; top: 3px; }
.yemesh-loader-mini-mark i:nth-child(3) { left: 8px; bottom: 3px; }

.yemesh-loader-main {
    position: relative;
    z-index: 2;
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(360px, 0.86fr) minmax(460px, 1.14fr);
    align-items: center;
    gap: 64px;
}

.yemesh-loader-copy {
    padding-left: 40px;
}

.yemesh-loader-eyebrow {
    color: var(--text-faint);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    animation: yemesh-copy-in 680ms var(--ease) 160ms both;
}

.yemesh-loader-copy h1 {
    margin: 24px 0 20px;
    color: var(--ink);
    font-family: "Iowan Old Style", Baskerville, Palatino, Georgia, serif;
    font-size: clamp(54px, 5vw, 78px);
    font-weight: 500;
    line-height: 0.96;
    letter-spacing: -0.045em;
    animation: yemesh-copy-in 820ms var(--ease) 240ms both;
}

.yemesh-loader-copy h1 em {
    color: var(--ink);
    font-weight: 400;
}

.yemesh-loader-copy p {
    margin: 0;
    color: var(--text-soft);
    font-size: 15px;
    line-height: 1.65;
    animation: yemesh-copy-in 720ms var(--ease) 390ms both;
}

.yemesh-loader-specimen {
    position: relative;
    width: 100%;
    height: min(54vh, 540px);
    min-height: 390px;
    display: grid;
    place-items: center;
    animation: yemesh-specimen-in 980ms var(--ease) 140ms both;
}

.yemesh-loader-orbit {
    position: absolute;
    left: 50%;
    top: 50%;
    width: min(100%, 660px);
    height: 42%;
    border: 1px solid var(--line);
    border-radius: 50%;
    transform-origin: center;
}

.yemesh-loader-orbit::after {
    position: absolute;
    top: 50%;
    right: -3px;
    width: 6px;
    height: 6px;
    content: "";
    border-radius: 50%;
    background: var(--ink);
    box-shadow: 0 0 0 4px rgba(23, 24, 28, 0.08), 0 0 18px rgba(23, 24, 28, 0.28);
    transform: translateY(-50%);
    animation: yemesh-orbit-glint 1.9s var(--ease) infinite;
}

.yemesh-loader-orbit.orbit-one {
    border-color: rgba(23, 24, 28, 0.24);
    animation: yemesh-orbit-one 18s linear infinite;
}

.yemesh-loader-orbit.orbit-two {
    width: min(88%, 580px);
    border-color: rgba(23, 24, 28, 0.16);
    animation: yemesh-orbit-two 22s linear infinite;
}

.yemesh-loader-orbit.orbit-two::after {
    width: 4px;
    height: 4px;
    background: var(--ink);
    box-shadow: 0 0 12px rgba(23, 24, 28, 0.30);
    animation-delay: 620ms;
}

.yemesh-loader-halo {
    position: absolute;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(23, 24, 28, 0.07), rgba(23, 24, 28, 0.03) 42%, transparent 70%);
    animation: yemesh-breathe 2.8s var(--ease) infinite;
}

.yemesh-loader-seeds {
    width: 128px;
    height: 116px;
    filter: drop-shadow(0 1px 10px rgba(23, 24, 28, 0.10));
}

.yemesh-loader-seeds i {
    width: 45px;
    height: 38px;
    --seed-delay: 0ms;
    --seed-from-x: 0px;
    --seed-from-y: 0px;
    animation:
        yemesh-seed-arrive 860ms var(--ease) var(--seed-delay) both,
        yemesh-seed 2.35s var(--ease) calc(940ms + var(--seed-delay)) infinite;
}

.yemesh-loader-seeds i:nth-child(1) {
    left: 5px;
    top: 8px;
    --seed-from-x: -112px;
    --seed-from-y: -58px;
    transform: rotate(8deg);
}

.yemesh-loader-seeds i:nth-child(2) {
    right: 5px;
    top: 4px;
    --seed-delay: 120ms;
    --seed-from-x: 118px;
    --seed-from-y: -76px;
    transform: rotate(-7deg);
}

.yemesh-loader-seeds i:nth-child(3) {
    left: 42px;
    bottom: 4px;
    --seed-delay: 240ms;
    --seed-from-x: 12px;
    --seed-from-y: 104px;
    transform: rotate(4deg);
}

.yemesh-loader-coordinate {
    position: absolute;
    color: var(--text-faint);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    animation: yemesh-coordinate 2.8s steps(2, end) 1.1s infinite;
}

.coordinate-top {
    right: 12%;
    top: 24%;
}

.coordinate-bottom {
    left: 9%;
    bottom: 22%;
}

.yemesh-loader-footer {
    gap: 24px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    transform-origin: right center;
    animation: yemesh-rule-in 760ms var(--ease) 280ms both;
}

.yemesh-loader-footer > span {
    white-space: nowrap;
}

.yemesh-loader-progress {
    position: relative;
    width: min(30vw, 360px);
    height: 1px;
    overflow: hidden;
    background: rgba(23, 24, 28, 0.12);
}

.yemesh-loader-progress i {
    position: absolute;
    inset: 0;
    display: block;
    background: linear-gradient(90deg, transparent, var(--ink), transparent);
    transform: translateX(-100%);
    animation: yemesh-progress 1.45s var(--ease) infinite;
}

@keyframes yemesh-reveal {
    from { opacity: 0; transform: scale(1.01); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes yemesh-exit {
    from { opacity: 1; filter: blur(0); transform: scale(1); }
    to { opacity: 0; filter: blur(7px); transform: scale(1.012); }
}

@keyframes yemesh-rule-in {
    from { opacity: 0; transform: scaleX(0.72); }
    to { opacity: 1; transform: scaleX(1); }
}

@keyframes yemesh-copy-in {
    from { opacity: 0; transform: translateY(22px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes yemesh-specimen-in {
    from { opacity: 0; filter: blur(10px); transform: translateY(18px) scale(0.94); }
    to { opacity: 1; filter: blur(0); transform: translateY(0) scale(1); }
}

@keyframes yemesh-scan {
    0%, 12% { opacity: 0; transform: translateX(-58%); }
    28% { opacity: 0.75; }
    62% { opacity: 0.42; }
    78%, 100% { opacity: 0; transform: translateX(58%); }
}

@keyframes yemesh-orbit-one {
    from { transform: translate(-50%, -50%) rotate(-12deg); }
    to { transform: translate(-50%, -50%) rotate(348deg); }
}

@keyframes yemesh-orbit-two {
    from { transform: translate(-50%, -50%) rotate(24deg); }
    to { transform: translate(-50%, -50%) rotate(-336deg); }
}

@keyframes yemesh-breathe {
    0%, 100% { opacity: 0.68; transform: scale(0.92); }
    50% { opacity: 1; transform: scale(1.08); }
}

@keyframes yemesh-orbit-glint {
    0%, 100% { opacity: 0.38; scale: 0.68; }
    50% { opacity: 1; scale: 1.18; }
}

@keyframes yemesh-seed-arrive {
    from {
        opacity: 0;
        filter: blur(7px);
        translate: var(--seed-from-x) var(--seed-from-y);
        scale: 0.28;
    }
    72% {
        opacity: 1;
        filter: blur(0);
        translate: 0 0;
        scale: 1.08;
    }
    to {
        opacity: 0.86;
        filter: blur(0);
        translate: 0 0;
        scale: 0.92;
    }
}

@keyframes yemesh-seed {
    0%, 100% { opacity: 0.76; scale: 0.92; }
    42% { opacity: 1; scale: 1.06; }
}

@keyframes yemesh-progress {
    0% { transform: translateX(-100%); }
    70%, 100% { transform: translateX(100%); }
}

@keyframes yemesh-coordinate {
    0%, 100% { opacity: 0.48; }
    50% { opacity: 0.86; }
}

@media (max-width: 820px) {
    .yemesh-loader-stage {
        width: calc(100% - 36px);
        padding: 20px 0;
    }

    .yemesh-loader-index {
        display: none;
    }

    .yemesh-loader-main {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        gap: 12px;
        padding-top: 36px;
    }

    .yemesh-loader-copy {
        padding-left: 0;
    }

    .yemesh-loader-copy h1 {
        margin: 18px 0 12px;
        font-size: clamp(44px, 13vw, 62px);
    }

    .yemesh-loader-copy p {
        display: none;
    }

    .yemesh-loader-specimen {
        height: auto;
        min-height: 290px;
    }

    .yemesh-loader-seeds {
        scale: 0.72;
    }

    .yemesh-loader-halo {
        width: 220px;
        height: 220px;
    }

    .yemesh-loader-orbit {
        width: 118%;
        height: 40%;
    }

    .coordinate-top { right: 3%; top: 21%; }
    .coordinate-bottom { left: 0; bottom: 18%; }

    .yemesh-loader-footer {
        justify-content: stretch;
    }

    .yemesh-loader-footer > span:first-child {
        display: none;
    }

    .yemesh-loader-progress {
        flex: 1;
        width: auto;
    }
}

@media (max-height: 680px) and (min-width: 821px) {
    .yemesh-loader-copy h1 { font-size: 54px; }
    .yemesh-loader-specimen { min-height: 330px; }
    .yemesh-loader-halo { width: 220px; height: 220px; }
    .yemesh-loader-seeds { scale: 0.76; }
}

@media (prefers-reduced-motion: reduce) {
    .yemesh-loader,
    .yemesh-loader::after,
    .yemesh-loader-header,
    .yemesh-loader-footer,
    .yemesh-loader-eyebrow,
    .yemesh-loader-copy h1,
    .yemesh-loader-copy p,
    .yemesh-loader-specimen,
    .yemesh-loader-orbit,
    .yemesh-loader-orbit::after,
    .yemesh-loader-halo,
    .yemesh-loader-seeds i,
    .yemesh-loader-coordinate,
    .yemesh-loader-progress i {
        animation: none !important;
    }
}

/* Branded WebGL-unavailable fallback (set via JS in index.html). */
.yemesh-error {
    box-sizing: border-box;
    max-width: 640px;
    max-height: 100vh;
    margin: 0 auto;
    overflow: auto;
    padding: 16vh 2rem;
    text-align: center;
    line-height: 1.55;
}

.yemesh-error h1 {
    color: var(--ink);
    font-family: "Iowan Old Style", Baskerville, Palatino, Georgia, serif;
    font-size: 42px;
    font-weight: 500;
}

.yemesh-error h3 {
    color: var(--ink);
    margin-top: 1.8rem;
}

.yemesh-error p {
    color: var(--text-soft);
}

.yemesh-error-retry {
    margin-top: 1rem;
    padding: 0.8rem 1.2rem;
    border: 1px solid var(--ink);
    background: var(--ink);
    color: var(--paper-bright);
    font: inherit;
    cursor: pointer;
}

.yemesh-error details {
    margin-top: 2rem;
    text-align: left;
    color: var(--text-soft);
}

.yemesh-error summary {
    cursor: pointer;
}

.yemesh-error pre {
    overflow: auto;
    max-height: 12rem;
    padding: 0.8rem;
    border: 1px solid var(--line);
    background: var(--paper-deep);
    color: var(--ink-soft);
    font: 0.75rem/1.5 monospace;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.yemesh-error code {
    background: var(--paper-deep);
    color: var(--ink);
    padding: 2px 6px;
    border: 1px solid var(--line);
    border-radius: 2px;
    font-size: 0.9em;
}