:root {
    --green: #006241;
    --green-dark: #003b2f;
    --mint: #e8f3ed;
    --ink: #17231f;
    --muted: #6b766f;
    --line: #dfe8e2;
    --paper: #fbf8f1;
    --white: #ffffff;
    --amber: #b85d00;
    --red: #b42318;
    --blue: #2b5d8a;
    --shadow: 0 10px 28px rgba(20, 35, 31, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--paper);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    letter-spacing: 0;
}

a {
    color: var(--green);
    text-decoration: none;
}

button,
input,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

.app-shell {
    width: min(100%, 760px);
    margin: 0 auto;
    padding: 16px 14px 28px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 8px 2px 14px;
}

.eyebrow {
    margin: 0 0 4px;
    color: var(--muted);
    font-size: 13px;
}

h1,
h2 {
    margin: 0;
    line-height: 1.16;
    letter-spacing: 0;
}

h1 {
    font-size: 28px;
}

h2 {
    font-size: 18px;
}

.top-stat {
    min-width: 76px;
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    text-align: center;
}

.top-stat span,
.top-stat strong {
    display: block;
}

.top-stat span {
    color: var(--muted);
    font-size: 12px;
}

.top-stat strong {
    color: var(--green);
    font-size: 22px;
}

.nav-tabs {
    position: sticky;
    top: 0;
    z-index: 5;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-bottom: 12px;
    padding: 6px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(251, 248, 241, 0.94);
    backdrop-filter: blur(14px);
}

.nav-tabs a {
    display: flex;
    min-height: 38px;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    color: var(--muted);
    font-weight: 700;
}

.nav-tabs a.active {
    background: var(--green);
    color: var(--white);
}

main {
    display: grid;
    gap: 12px;
}

.panel {
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
}

.scan-panel {
    display: grid;
    gap: 12px;
}

.video-box {
    position: relative;
    overflow: hidden;
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 8px;
    background: #111d18;
}

.video-box video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-hint {
    position: absolute;
    inset: auto 14px 14px;
    display: flex;
    min-height: 38px;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.64);
    color: var(--white);
    font-size: 14px;
}

.button-row {
    display: grid;
    grid-template-columns: 1fr 96px;
    gap: 8px;
}

.primary-button,
.ghost-button,
.wide-button,
.text-button,
.export-link {
    min-height: 44px;
    border-radius: 8px;
    border: 0;
    padding: 0 14px;
    font-weight: 800;
}

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

.ghost-button,
.wide-button,
.export-link {
    border: 1px solid var(--line);
    background: var(--mint);
    color: var(--green-dark);
}

.wide,
.wide-button {
    width: 100%;
}

.text-button {
    min-height: 36px;
    background: transparent;
    color: var(--green);
}

.danger-text {
    color: var(--red);
}

.field-label {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

input,
textarea,
select {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    color: var(--ink);
    outline: none;
    padding: 10px 12px;
}

textarea {
    resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(0, 98, 65, 0.14);
}

.inline-message {
    min-height: 20px;
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.inline-message.success {
    color: var(--green);
}

.inline-message.warn {
    color: var(--amber);
}

.inline-message.error {
    color: var(--red);
}

.is-hidden {
    display: none;
}

.result-panel.is-hidden {
    display: none;
}

.result-panel {
    display: grid;
    gap: 14px;
}

.result-head,
.section-head,
.record-card-head,
.product-row,
.record-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.result-head h2 {
    max-width: 230px;
    overflow-wrap: anywhere;
}

.status-pill {
    display: inline-flex;
    min-width: 70px;
    min-height: 30px;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: #eef1f4;
    color: #475467;
    font-size: 13px;
    font-weight: 800;
    white-space: nowrap;
}

.status-pill.ok {
    background: var(--mint);
    color: var(--green);
}

.status-pill.warning {
    background: #fff4df;
    color: var(--amber);
}

.status-pill.urgent,
.status-pill.expired {
    background: #fff0ed;
    color: var(--red);
}

.detail-grid,
.record-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin: 0;
}

.detail-grid div,
.record-detail-grid div {
    min-width: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fbfcfb;
}

dt {
    color: var(--muted);
    font-size: 12px;
}

dd {
    margin: 4px 0 0;
    overflow-wrap: anywhere;
    font-size: 16px;
    font-weight: 800;
}

.save-form,
.stack-form,
.filter-form {
    display: grid;
    gap: 10px;
}

.paste-form {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
}

.notice {
    padding: 12px 14px;
    border-radius: 8px;
    font-weight: 700;
}

.notice.success {
    background: var(--mint);
    color: var(--green-dark);
}

.notice.danger {
    background: #fff0ed;
    color: var(--red);
}

.empty-state {
    margin: 12px 0 0;
    color: var(--muted);
}

.record-list,
.product-list {
    display: grid;
    gap: 8px;
}

.record-list.large {
    gap: 10px;
}

.record-item,
.product-row,
.record-card {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fbfcfb;
}

.record-item,
.product-row {
    padding: 10px;
}

.record-item strong,
.record-item span,
.product-row strong,
.product-row span,
.record-card-head strong,
.record-card-head span {
    display: block;
}

.record-item span,
.product-row span,
.record-card-head span,
.record-time {
    margin-top: 4px;
    color: var(--muted);
    font-size: 13px;
}

.record-meta {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #a6b0aa;
}

.status-dot.ok {
    background: var(--green);
}

.status-dot.warning {
    background: var(--amber);
}

.status-dot.urgent,
.status-dot.expired {
    background: var(--red);
}

.record-card {
    padding: 12px;
}

.record-card-head {
    align-items: flex-start;
}

.record-detail-grid {
    margin-top: 10px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.record-detail-grid dd {
    font-size: 14px;
}

.record-time {
    margin-bottom: 0;
}

.search-form {
    flex: 1;
    max-width: 260px;
}

.filter-form {
    grid-template-columns: 1fr;
}

.export-link {
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 22px;
    z-index: 20;
    transform: translateX(-50%) translateY(14px);
    min-width: 132px;
    max-width: calc(100% - 32px);
    padding: 12px 16px;
    border-radius: 8px;
    background: var(--green-dark);
    color: var(--white);
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.toast.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@media (min-width: 680px) {
    .app-shell {
        padding-top: 26px;
    }

    main {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }

    .scan-panel,
    .result-panel {
        grid-column: span 1;
    }

    main > .panel:last-child {
        grid-column: 1 / -1;
    }

    .filter-form {
        grid-template-columns: 1.2fr 1fr 1fr 1fr auto auto;
        align-items: center;
    }
}