/* QR Code Scanner */
.qr-scanner-panel {
    --qr-scanner-accent-soft: rgba(24, 169, 153, 0.1);
    --qr-scanner-danger-soft: rgba(255, 95, 109, 0.1);
}

/* Author display rules take precedence over the browser's default [hidden]
   rule, so keep optional scanner states out of the layout until requested. */
.qr-scanner-panel [hidden] {
    display: none !important;
}

.qr-scanner-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
    gap: 18px;
    width: 100%;
    align-items: start;
}

.qr-scanner-upload-card,
.qr-scanner-result-card,
.qr-scanner-camera {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.qr-scanner-upload-card {
    display: grid;
    gap: 14px;
    padding: 18px;
}

.qr-scanner-drop-zone {
    display: grid;
    min-height: 294px;
    place-items: center;
    align-content: center;
    gap: 14px;
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    padding: 26px;
    color: var(--text);
    cursor: pointer;
    outline: none;
    text-align: center;
    transition: border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.qr-scanner-drop-zone:hover,
.qr-scanner-drop-zone.is-dragging {
    border-color: var(--accent);
    background: var(--qr-scanner-accent-soft);
}

.qr-scanner-drop-zone.is-dragging {
    transform: translateY(-2px);
}

.qr-scanner-drop-zone:focus-visible {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(24, 169, 153, 0.18);
}

.qr-scanner-upload-icon {
    display: grid;
    width: 68px;
    height: 68px;
    place-items: center;
    border: 1px solid rgba(24, 169, 153, 0.42);
    border-radius: 18px;
    background:
        linear-gradient(var(--accent), var(--accent)) 12px 12px / 13px 3px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 12px 12px / 3px 13px no-repeat,
        linear-gradient(var(--accent), var(--accent)) calc(100% - 25px) 12px / 13px 3px no-repeat,
        linear-gradient(var(--accent), var(--accent)) calc(100% - 15px) 12px / 3px 13px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 12px calc(100% - 15px) / 13px 3px no-repeat,
        linear-gradient(var(--accent), var(--accent)) 12px calc(100% - 25px) / 3px 13px no-repeat,
        linear-gradient(var(--accent), var(--accent)) calc(100% - 25px) calc(100% - 15px) / 13px 3px no-repeat,
        linear-gradient(var(--accent), var(--accent)) calc(100% - 15px) calc(100% - 25px) / 3px 13px no-repeat,
        var(--qr-scanner-accent-soft);
}

.qr-scanner-upload-icon span {
    color: var(--accent-strong);
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.qr-scanner-drop-zone h3,
.qr-scanner-camera h3 {
    margin: 0 0 5px;
    font-size: 17px;
}

.qr-scanner-drop-zone p,
.qr-scanner-camera p,
.qr-scanner-empty-result p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.5;
}

.qr-scanner-upload-actions,
.qr-scanner-result-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 9px;
}

.qr-scanner-upload-actions .primary-button,
.qr-scanner-upload-actions .secondary-button {
    min-width: 138px;
}

.qr-scanner-drop-zone > small {
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.qr-scanner-status {
    min-height: 20px;
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.45;
}

.qr-scanner-status.is-loading {
    color: var(--accent-strong);
}

.qr-scanner-status.is-success {
    color: var(--success);
}

.qr-scanner-status.is-error {
    color: #ffb1b8;
}

.qr-scanner-preview {
    display: grid;
    justify-items: center;
    gap: 12px;
    margin: 0;
    border-top: 1px solid var(--line);
    padding-top: 14px;
}

.qr-scanner-preview figcaption,
.qr-scanner-card-heading,
.qr-scanner-camera-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.qr-scanner-preview figcaption {
    width: 100%;
}

.qr-scanner-preview figcaption > span,
.qr-scanner-card-heading > span:first-child {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.qr-scanner-preview .ghost-button,
.qr-scanner-camera-heading .ghost-button {
    min-height: 36px;
    padding-inline: 12px;
    font-size: 12px;
}

.qr-scanner-preview img {
    display: block;
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 260px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #f8fafc;
}

.qr-scanner-result-card {
    display: grid;
    align-self: stretch;
    align-content: start;
    grid-template-rows: auto minmax(0, 1fr);
    min-height: 0;
    padding: 18px;
}

.qr-scanner-result-state {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 4px 9px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 800;
}

.qr-scanner-result-state.is-success {
    border-color: rgba(74, 222, 128, 0.42);
    background: rgba(74, 222, 128, 0.1);
    color: var(--success);
}

.qr-scanner-result-state.is-error {
    border-color: rgba(255, 95, 109, 0.42);
    background: var(--qr-scanner-danger-soft);
    color: #ffb1b8;
}

.qr-scanner-empty-result {
    display: grid;
    height: 100%;
    min-height: 0;
    grid-template-rows: minmax(0, 1fr) auto;
    gap: 18px;
    padding-top: 14px;
}

.qr-scanner-empty-copy {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-self: center;
    align-items: center;
    gap: 14px;
    justify-self: center;
    width: min(100%, 400px);
}

.qr-scanner-empty-result strong {
    display: block;
    margin-bottom: 5px;
    font-size: 18px;
}

.qr-scanner-empty-mark {
    display: grid;
    width: 54px;
    height: 54px;
    place-items: center;
    border: 1px solid rgba(24, 169, 153, 0.42);
    border-radius: 14px;
    background: var(--qr-scanner-accent-soft);
    color: var(--accent-strong);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.05em;
}

.qr-scanner-empty-note {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin: 0;
    border-top: 1px solid var(--line);
    padding-top: 13px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.45;
}

.qr-scanner-empty-note span {
    display: grid;
    width: 16px;
    height: 16px;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 50%;
    background: var(--qr-scanner-accent-soft);
    color: var(--accent);
    font-size: 10px;
    font-weight: 800;
}

.qr-scanner-result {
    display: grid;
    align-content: start;
    gap: 10px;
    min-height: 0;
    padding-top: 18px;
}

.qr-scanner-result-label {
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.qr-scanner-result-value {
    max-height: 270px;
    min-height: 98px;
    overflow: auto;
    margin: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--panel-2);
    padding: 13px;
    color: var(--text);
    font: 500 13px/1.55 Inter, system-ui, sans-serif;
    overflow-wrap: anywhere;
    white-space: pre-wrap;
}

.qr-scanner-result-actions {
    justify-content: flex-start;
}

.qr-scanner-result-actions .primary-button,
.qr-scanner-result-actions .secondary-button {
    flex: 1 1 145px;
    min-width: 0;
    padding-inline: 10px;
    font-size: 13px;
    white-space: nowrap;
}

.qr-scanner-panel.has-preview:not(.has-result) .qr-scanner-drop-zone {
    min-height: 218px;
    gap: 9px;
    padding: 18px;
}

.qr-scanner-panel.has-preview:not(.has-result) .qr-scanner-upload-icon {
    width: 52px;
    height: 52px;
    border-radius: 15px;
}

.qr-scanner-panel.has-result .qr-scanner-drop-zone,
.qr-scanner-panel.has-result .qr-scanner-status {
    display: none;
}

.qr-scanner-panel.has-result .qr-scanner-preview {
    gap: 10px;
    border-top: 0;
    padding-top: 0;
}

.qr-scanner-camera {
    display: grid;
    width: min(100%, 920px);
    gap: 14px;
    margin-top: 18px;
    padding: 18px;
}

.qr-scanner-camera-heading > div {
    min-width: 0;
}

.qr-scanner-camera-frame {
    position: relative;
    width: min(100%, 760px);
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #06080b;
}

.qr-scanner-camera-frame video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.qr-scanner-camera-guide {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(46%, 280px);
    aspect-ratio: 1;
    transform: translate(-50%, -50%);
    border: 2px solid rgba(223, 254, 251, 0.92);
    border-radius: 12px;
    box-shadow: 0 0 0 999px rgba(5, 8, 11, 0.32);
    pointer-events: none;
}

@media (max-width: 900px) {
    .qr-scanner-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .qr-scanner-result-card {
        align-self: auto;
        min-height: 0;
    }
}

@media (max-width: 620px) {
    .qr-scanner-upload-card,
    .qr-scanner-result-card,
    .qr-scanner-camera {
        padding: 14px;
    }

    .qr-scanner-drop-zone {
        min-height: 260px;
        padding: 20px 14px;
    }

    .qr-scanner-upload-actions,
    .qr-scanner-result-actions {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        width: 100%;
    }

    .qr-scanner-upload-actions .primary-button,
    .qr-scanner-upload-actions .secondary-button {
        width: 100%;
    }

    .qr-scanner-camera-heading {
        align-items: stretch;
        flex-direction: column;
    }

    .qr-scanner-camera-heading .ghost-button {
        width: 100%;
    }

    .qr-scanner-camera-frame {
        width: 100%;
        aspect-ratio: 4 / 3;
    }

    .qr-scanner-empty-result {
        padding-top: 10px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .qr-scanner-drop-zone {
        transition: none;
    }
}