:root {
    color-scheme: light;
    --paper: #f4f1eb;
    --surface: #fffefa;
    --ink: #20211e;
    --muted: #6c6d66;
    --line: #d9d8d0;
    --accent: #285b4f;
    --soft: #e6eee8;
    --danger: #9b3d36
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font: 16px/1.45 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif
}

.topbar {
    max-width: 1060px;
    margin: auto;
    padding: 20px 26px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--line)
}

.wordmark {
    display: flex;
    gap: 11px;
    align-items: center;
    color: inherit;
    text-decoration: none;
    font-size: 17px;
    font-weight: 680;
    letter-spacing: -.03em
}

.mark {
    display: grid;
    place-items: center;
    width: 35px;
    height: 35px;
    border-radius: 10px;
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    letter-spacing: 0
}

.topbar nav {
    display: flex;
    gap: 5px
}

.tab {
    border: 0;
    border-radius: 999px;
    padding: 9px 17px;
    background: transparent;
    color: var(--muted);
    font: inherit;
    cursor: pointer
}

.tab.active {
    background: var(--ink);
    color: white
}

main {
    max-width: 1000px;
    margin: auto;
    padding: 46px 26px 60px
}

.panel {
    display: none
}

.panel.active {
    display: block
}

.intro {
    margin: 0 0 28px
}

.intro h1 {
    font-size: clamp(32px, 5vw, 48px);
    line-height: 1.08;
    letter-spacing: -.055em;
    margin: 0;
    font-weight: 650
}

.layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px
}

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 17px;
    padding: 22px;
    margin-bottom: 16px;
    box-shadow: 0 3px 12px #20211e08
}

.card h2 {
    font-size: 17px;
    margin: 0 0 18px;
    letter-spacing: -.025em
}

.camera-wrap {
    position: relative;
    width: min(100%, 360px);
    aspect-ratio: 1 / 1;
    margin-inline: auto;
    overflow: hidden;
    border-radius: 12px;
    background: #eae8e1
}

.camera-wrap video {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover
}

.placeholder {
    height: 100%;
    display: grid;
    place-items: center;
    color: var(--muted);
    font-size: 14px
}

.actions {
    display: flex;
    align-items: center;
    gap: 9px;
    flex-wrap: wrap;
    margin-top: 14px
}

.button,
.file-pick {
    min-height: 42px;
    padding: 10px 15px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: transparent;
    color: var(--ink);
    font: 600 14px inherit;
    font-size: 14px;
    cursor: pointer
}

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

.button.secondary,
.file-pick {
    background: var(--surface)
}

.button.danger {
    color: var(--danger);
    border-color: #e1c8c5
}

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

.file-pick {
    display: inline-flex;
    align-items: center
}

.file-pick input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0
}

.file-info,
.status {
    min-height: 20px;
    color: var(--muted);
    font-size: 13px;
    margin: 10px 0 15px;
    overflow-wrap: anywhere
}

label:not(.file-pick):not(.speed) {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin: 13px 0 7px
}

.password-row {
    display: flex;
    gap: 8px
}

.password-row input {
    min-width: 0;
    flex: 1
}

input[type=password],
input[type=text] {
    width: 100%;
    height: 42px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: white;
    color: var(--ink);
    font: inherit;
    font-size: 14px
}

.icon-button {
    border: 0;
    background: transparent;
    color: var(--accent);
    font-weight: 600;
    cursor: pointer
}

.card>.button.primary {
    width: 100%;
    margin-top: 14px
}

.fingerprint {
    color: var(--accent);
    font: 600 12px ui-monospace, monospace
}

.qr-heading,
.progress-copy {
    display: flex;
    align-items: center;
    justify-content: space-between
}

.qr-stage,
.public-qr {
    display: grid;
    place-items: center;
    min-height: 270px;
    padding: 20px;
    background: #f1f0eb;
    border-radius: 12px
}

.qr-stage {
    min-height: 390px;
    padding: 24px
}

.qr-stage img,
.qr-stage canvas {
    width: min(100%, 340px) !important;
    height: auto !important;
    image-rendering: pixelated
}

.qr-instruction {
    text-align: center;
    color: var(--muted);
    font-size: 13px
}

.qr-card {
    position: fixed;
    inset: 0;
    z-index: 50;
    width: 100%;
    max-width: none;
    height: 100dvh;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px;
    margin: 0;
    border-radius: 0;
    overflow: hidden
}

.qr-card .qr-heading,
.qr-card .qr-instruction,
.qr-card .progress-track,
.qr-card .actions,
.qr-card #loop-status {
    flex: 0 0 auto
}

.qr-card .qr-heading {
    margin: 0
}

.qr-card .qr-stage {
    flex: 1 1 auto;
    min-height: 0;
    width: 100%;
    height: auto;
    padding: 16px;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    display: grid;
    place-items: center;
    container-type: size
}

.qr-card .qr-stage canvas,
.qr-card .qr-stage img {
    display: block;
    width: min(100cqw, 100cqh) !important;
    height: min(100cqw, 100cqh) !important;
    max-width: none;
    max-height: none;
    object-fit: contain;
    image-rendering: pixelated
}

.qr-card .qr-instruction {
    margin: 0;
    font-size: 12px
}

.qr-card .progress-track {
    margin: 2px 0
}

.qr-card .actions {
    margin-top: 0;
    gap: 6px
}

.public-qr {
    min-height: 0;
    padding: 0;
    background: #fff
}

.public-qr img,
.public-qr canvas {
    display: block;
    width: 100% !important;
    max-width: none;
    height: auto !important;
    image-rendering: pixelated
}

.frame-count,
.progress-copy span {
    font: 13px ui-monospace, monospace;
    color: var(--muted)
}

.progress-track {
    height: 7px;
    background: #e8e6df;
    border-radius: 9px;
    overflow: hidden;
    margin: 14px 0
}

.progress-track div {
    height: 100%;
    width: 0;
    background: var(--accent);
    transition: width .15s
}

.speed {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--muted)
}

.speed input {
    width: 100px;
    accent-color: var(--accent)
}

.text-button {
    border: 0;
    color: var(--accent);
    padding-left: 0
}

.unlock-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 15px;
    align-items: end
}

footer {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px 26px 32px;
    color: var(--muted);
    font-size: 12px;
    border-top: 1px solid var(--line)
}

[hidden] {
    display: none !important
}

@media(max-width:700px) {
    .qr-card {
        height: 100dvh;
        min-height: 300px
    }

    .qr-card .actions {
        gap: 4px
    }

    .qr-card .speed input {
        width: 72px
    }

    .topbar {
        padding: 14px 16px
    }

    main {
        padding: 30px 16px 42px
    }

    .layout {
        grid-template-columns: 1fr;
        gap: 0
    }

    .card {
        padding: 18px
    }

    .unlock-grid {
        grid-template-columns: 1fr
    }

    .unlock-grid .button {
        width: 100%
    }

    .qr-stage {
        min-height: 230px
    }
}
.qr-card .qr-stage canvas { width: var(--qs, min(100cqw, 100cqh)) !important; height: var(--qs, min(100cqw, 100cqh)) !important }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(112px, 1fr)); gap: 8px; margin-top: 12px }
.stat { display: flex; flex-direction: column; gap: 3px; min-width: 0; padding: 7px 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); font: 11px ui-monospace, monospace; color: var(--muted) }
.stat span { font-size: 10px; text-transform: uppercase; letter-spacing: .05em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis }
.stat b { font-size: 13px; font-weight: 650; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis }
.stat b i { font-style: normal }