:root {
    --bg: #f8fafc;
    --text: #0f172a;
    --muted: #475569;
    --card: #fff;
    --border: #e2e8f0;
    --accent: #111827;
    --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .08);
    --rounded: 16px
}

* {
    box-sizing: border-box
}

html,
body {
    height: 100%
}

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, "Helvetica Neue", Arial;
    color: var(--text);
    background: linear-gradient(#f8fafc, #fff)
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px
}

h1 {
    font-size: clamp(22px, 2.5vw, 28px);
    margin: 0 0 4px 0;
    display: flex;
    gap: 8px;
    align-items: center
}

.muted {
    color: var(--muted);
    font-size: 14px
}

.row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px
}

@media(min-width:1024px) {
    .row {
        grid-template-columns: 1fr 2fr
    }
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--rounded);
    box-shadow: var(--shadow)
}

.card h2 {
    margin: 0 0 8px 0;
    font-size: 18px
}

.card .content {
    padding: 18px
}

.section {
    display: flex;
    flex-direction: column;
    gap: 12px
}

label {
    font-weight: 600;
    font-size: 14px
}

input[type="text"],
textarea,
.pill-input {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px 12px;
    font: inherit
}

textarea {
    min-height: 80px;
    resize: vertical
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 999px;
    padding: 8px 12px;
    cursor: pointer
}

.btn.primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent)
}

.btn.small {
    padding: 6px 10px;
    font-size: 13px
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px
}

.chip {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 13px;
    background: #fff;
    cursor: pointer
}

.chip.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: var(--shadow)
}

.badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 10px;
    background: #f1f5f9;
    font-size: 12px
}

.badge button {
    border: none;
    background: transparent;
    cursor: pointer;
    font-weight: 700
}

.slider-row {
    display: flex;
    align-items: center;
    gap: 12px
}

.age-out {
    min-width: 40px;
    text-align: center;
    font-weight: 600
}

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

@media(min-width:768px) {
    .grid {
        grid-template-columns: repeat(2, 1fr)
    }
}

.result-card {
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 14px
}

.result-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px
}

.pill {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px 8px;
    font-size: 12px;
    background: #f8fafc
}

.tabs {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    flex-wrap: wrap
}

.tab-btn {
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 13px;
    cursor: pointer
}

.tab-btn.active {
    background: #0f172a;
    color: #fff;
    border-color: #0f172a
}

.tab-panel {
    margin-top: 10px;
    font-size: 14px
}

.list {
    margin: 8px 0 0 18px
}

.alert {
    border: 1px solid #fbbf24;
    background: #fffbeb;
    border-radius: 12px;
    padding: 10px 12px;
    font-size: 13px
}

footer {
    color: #64748b;
    font-size: 11px;
    margin-top: 16px
}

.disclaimer {
    margin: 16px 0
}

.kbd {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    background: #f1f5f9;
    border: 1px solid var(--border);
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 12px
}

.toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap
}

.toolbar .pill-input {
    max-width: 380px
}

.empty {
    color: #64748b;
    font-size: 14px
}

/* Dropdown */
.all-fields {
    margin-top: 12px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: #f9fafb;
    padding: 8px 12px;
}

.all-fields>summary {
    cursor: pointer;
    font-weight: 600;
    color: #1e293b;
    list-style: none;
    margin-bottom: 6px;
    padding: 6px 0;
}

.all-fields>summary::before {
    content: '▸ ';
    display: inline-block;
    transition: transform 0.2s;
}

.all-fields[open]>summary::before {
    transform: rotate(90deg);
}

/* Key–value table */
.kv {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 6px 12px;
    margin: 6px 0 10px;
}

.kv-row {
    display: contents;
}

.kv-k {
    font-weight: 600;
    color: #334155;
    text-transform: capitalize;
}

.kv-v {
    color: #0f172a;
    word-break: break-word;
    background: #fff;
    padding: 3px 6px;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
}

/* Raw JSON viewer */
.json-tools {
    margin-bottom: 6px;
}

.toggle-json {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid #cbd5e1;
    background: #f8fafc;
    cursor: pointer;
}

.toggle-json:hover {
    background: #e2e8f0;
}

.json-view {
    max-height: 250px;
    overflow: auto;
    background: #0b1020;
    color: #e2e8f0;
    padding: 10px;
    border-radius: 8px;
    font-size: 12px;
    margin-top: 6px;
}

.hidden {
    display: none;
}

/* Pills, badges, chips */
.pill {
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid #e5e7eb;
    font-weight: 600;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 12px;
    margin: 2px;
}

.badge-soft {
    background: #eef2ff;
    border-color: #c7d2fe;
}

.badge-info {
    background: #ecfeff;
    border-color: #a5f3fc;
}

.badge-warn {
    background: #fff7ed;
    border-color: #fed7aa;
}

.badge-danger {
    background: #fee2e2;
    border-color: #fecaca;
}

.badge-neg {
    background: #f1f5f9;
    border-color: #e2e8f0;
}

.badge .badge-x {
    margin-left: 6px;
    border: none;
    background: transparent;
    cursor: pointer;
}

.chip {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border: 1px solid #e5e7eb;
    border-radius: 999px;
    margin: 3px;
    cursor: pointer;
}

.chip.active {
    background: #111827;
    color: #fff;
    border-color: #111827;
}

.chiplist {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.chip-pos {
    background: #ecfdf5;
    border-color: #a7f3d0;
}

.chip-neg {
    background: #fef2f2;
    border-color: #fecaca;
}

.chip-muted {
    background: #f1f5f9;
    border-color: #e2e8f0;
}

/* Result card */
.result-card {
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 12px;
    background: #fff;
    margin-bottom: 12px;
}

.result-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.flags-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 6px;
    margin: 6px 0 8px;
}

.tab-btn {
    border: 1px solid #e5e7eb;
    background: #f8fafc;
    border-radius: 8px;
    padding: 6px 10px;
    cursor: pointer;
}

.tab-btn.active {
    background: #111827;
    color: #fff;
    border-color: #111827;
}

.tab-panel {
    border-top: 1px dashed #e5e7eb;
    padding-top: 8px;
}

/* Info panel grid */
.kv {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 6px 12px;
    margin: 4px 0 10px;
}

.kv-row {
    display: contents;
}

.kv-k {
    font-weight: 600;
    color: #334155;
}

.kv-v {
    color: #0f172a;
    word-break: break-word;
}

.links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.link-btn {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #f8fafc;
    text-decoration: none;
}

.link-btn:hover {
    background: #e2e8f0;
}

/* Symptom blocks */
.sym-block {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.sym-wrap {
    padding: 8px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    background: #f9fafb;
}

.sym-title {
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 6px;
}

/* Misc */
.muted {
    color: #6b7280;
}

.explain {
    font-size: 12px;
    color: #475569;
    margin-top: 8px;
}