:root {
    --dw-bg: #f3f4f6;
    --dw-surface: #ffffff;
    --dw-text: #111827;
    --dw-muted: #6b7280;
    --dw-border: #d1d5db;
    --dw-accent: #111827;
    --dw-accent-text: #ffffff;
    --dw-pass: #047857;
    --dw-pass-bg: #d1fae5;
    --dw-reject: #9a3412;
    --dw-reject-bg: #ffedd5;
    --dw-warn-bg: #fef3c7;
    --dw-danger: #b91c1c;
    --dw-link: #1d4ed8;
    --dw-row-hover: #f9fafb;
    --dw-shadow: 0 1px 2px rgba(17, 24, 39, 0.06);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    min-height: 100%;
    background: var(--dw-bg);
    color: var(--dw-text);
    font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--dw-link); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 {
    margin: 0 0 0.75rem;
    font-size: 1.35rem;
    font-weight: 650;
}

h2 {
    margin: 0 0 0.6rem;
    font-size: 0.95rem;
    font-weight: 650;
}

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

button {
    padding: 0.35rem 0.7rem;
    border: 1px solid var(--dw-border);
    border-radius: 6px;
    background: var(--dw-surface);
    color: var(--dw-text);
    cursor: pointer;
}

button:hover:not(:disabled) { background: #eef0f3; }
button:disabled { opacity: 0.45; cursor: not-allowed; }
button[aria-pressed="true"],
button.primary {
    background: var(--dw-accent);
    border-color: var(--dw-accent);
    color: var(--dw-accent-text);
}

input[type="number"],
input[type="password"],
input[type="text"],
textarea {
    width: 100%;
    padding: 0.35rem 0.5rem;
    border: 1px solid var(--dw-border);
    border-radius: 6px;
    background: var(--dw-surface);
}

textarea { resize: vertical; font-family: ui-monospace, Consolas, monospace; }

fieldset {
    margin: 0 0 0.75rem;
    padding: 0.65rem 0.75rem 0.5rem;
    border: 1px solid var(--dw-border);
    border-radius: 8px;
    background: var(--dw-surface);
}

legend {
    padding: 0 0.25rem;
    color: var(--dw-muted);
    font-size: 0.75rem;
    font-weight: 650;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.shell { min-height: 100vh; }

.topnav {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.65rem 1.25rem;
    background: var(--dw-surface);
    border-bottom: 1px solid var(--dw-border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.topnav a {
    color: var(--dw-muted);
    font-weight: 600;
}

.topnav a.active {
    color: var(--dw-text);
    text-decoration: none;
}

.topnav a:hover { text-decoration: none; color: var(--dw-text); }

.draft-badge {
    margin-left: auto;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    background: var(--dw-warn-bg);
    color: #92400e;
    font-size: 0.75rem;
    font-weight: 700;
}

.page {
    padding: 1rem 1.25rem 2rem;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem 1rem;
    margin-bottom: 0.85rem;
}

.toolbar label {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.hint, .muted { color: var(--dw-muted); }

.alert {
    margin: 0 0 0.75rem;
    padding: 0.55rem 0.75rem;
    border-radius: 8px;
    background: #fee2e2;
    color: var(--dw-danger);
}

.confirm-banner {
    margin: 0 0 0.85rem;
    padding: 0.75rem 0.85rem;
    border: 1px solid #f59e0b;
    border-radius: 8px;
    background: var(--dw-warn-bg);
}

.confirm-banner p { margin: 0 0 0.55rem; }

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 0 0 1rem;
}

.workspace {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.knobs {
    flex: 0 0 22rem;
}

.results { flex: 1; min-width: 0; }

.asin-filter {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 0.65rem;
}

.asin-filter label {
    font-weight: 650;
    font-size: 0.8rem;
}

.asin-filter input {
    width: min(16rem, 100%);
    font-family: ui-monospace, Consolas, monospace;
    text-transform: uppercase;
}

.summary {
    margin: 0 0 0.5rem;
    font-weight: 600;
}

.histogram {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin: 0 0 0.75rem;
}

.histogram-chip,
.histogram-clear {
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    background: #e5e7eb;
    color: #374151;
    font-size: 0.75rem;
}

.histogram-chip[aria-pressed="true"] {
    background: #f3f4f6;
    color: var(--dw-muted);
    text-decoration: line-through;
}

.histogram-clear {
    background: var(--dw-surface);
    border-style: dashed;
}

.field {
    display: grid;
    grid-template-columns: 8.5rem minmax(0, 1fr) auto;
    gap: 0.35rem 0.5rem;
    align-items: center;
    margin: 0 0 0.45rem;
}

.field label { color: var(--dw-text); }
.field small { grid-column: 2; color: var(--dw-muted); font-size: 0.72rem; }
.field button { grid-column: 3; grid-row: 1; padding: 0.2rem 0.45rem; font-size: 0.75rem; }

.keepa-form {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
    gap: 0.75rem 1rem;
    margin-bottom: 1rem;
}

.keepa-form .span-2 { grid-column: 1 / -1; }

.keepa-form label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-weight: 600;
    font-size: 0.85rem;
}

.check-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
}

.check-row label {
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    gap: 0.35rem;
    font-weight: 500;
}

details.raw-json {
    margin: 0 0 1rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--dw-border);
    border-radius: 8px;
    background: var(--dw-surface);
}

details.raw-json summary {
    cursor: pointer;
    font-weight: 650;
}

.result-list {
    height: min(70vh, 800px);
    overflow: auto;
    border: 1px solid var(--dw-border);
    border-radius: 8px;
    background: var(--dw-surface);
    box-shadow: var(--dw-shadow);
}

.deal-row {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr) auto auto;
    gap: 0.75rem;
    align-items: start;
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid #e5e7eb;
    cursor: pointer;
}

.deal-row:hover { background: var(--dw-row-hover); }

.deal-thumb {
    width: 64px;
    height: 64px;
    object-fit: contain;
    border-radius: 6px;
    background: #f3f4f6;
}

.deal-thumb-empty { border: 1px dashed var(--dw-border); }

.deal-title {
    font-weight: 650;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.deal-meta,
.deal-detail {
    margin: 0.2rem 0 0;
    color: var(--dw-muted);
    font-size: 0.8rem;
}

.deal-stats {
    display: grid;
    grid-template-columns: repeat(2, 5.5rem);
    gap: 0.35rem 0.75rem;
    margin: 0;
    font-variant-numeric: tabular-nums;
}

.deal-stats dt {
    margin: 0;
    color: var(--dw-muted);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.deal-stats dd {
    margin: 0;
    font-weight: 650;
}

.deal-flags {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.3rem;
    min-width: 7.5rem;
}

.badge {
    display: inline-block;
    padding: 0.05rem 0.4rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 650;
}

.badge-pass { background: var(--dw-pass-bg); color: var(--dw-pass); }
.badge-reject { background: var(--dw-reject-bg); color: var(--dw-reject); }
.badge-yes { background: #dbeafe; color: #1e40af; }
.badge-no { background: #f3f4f6; color: var(--dw-muted); }

.page-login {
    min-height: calc(100vh - 3rem);
    display: grid;
    place-items: center;
}

.login-card {
    width: min(22rem, 100%);
    padding: 1.25rem;
    border: 1px solid var(--dw-border);
    border-radius: 10px;
    background: var(--dw-surface);
    box-shadow: var(--dw-shadow);
}

.login-card label {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin: 0 0 0.85rem;
    font-weight: 600;
}

.login-card button { width: 100%; }

@media (max-width: 900px) {
    .workspace { flex-direction: column; }
    .knobs { flex: 1 1 auto; width: 100%; }
    .field { grid-template-columns: 1fr auto; }
    .field label { grid-column: 1 / -1; }
    .deal-row { grid-template-columns: 64px minmax(0, 1fr); }
    .deal-stats, .deal-flags { grid-column: 1 / -1; }
    .deal-flags { flex-direction: row; align-items: center; }
}