:root {
    color-scheme: light;
    --bg: #f4f6f9;
    --panel: #ffffff;
    --text: #18202b;
    --muted: #667085;
    --line: #dfe4eb;
    --primary: #2155d9;
    --primary-hover: #173fa8;
    --primary-soft: #eaf0ff;
    --success: #116b42;
    --success-bg: #eaf8f1;
    --error: #a82424;
    --error-bg: #fff0f0;
    --shadow: 0 18px 45px rgba(16, 24, 40, 0.08);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: linear-gradient(180deg, #eef3ff 0, var(--bg) 340px);
    color: var(--text);
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
}

.app-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 48px 0 28px;
}

.hero {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 28px;
}

.eyebrow {
    margin: 0 0 7px;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

h1,
h2 {
    margin: 0;
    line-height: 1.15;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.35rem);
    letter-spacing: -0.045em;
}

h2 {
    font-size: 1.35rem;
    letter-spacing: -0.02em;
}

.subtitle,
.section-heading p,
.result-summary,
.field-help {
    color: var(--muted);
}

.subtitle {
    max-width: 700px;
    margin: 12px 0 0;
    font-size: 1.05rem;
}

.fixed-parameter {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: max-content;
    padding: 12px 14px;
    border: 1px solid #cad6f8;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.72);
    box-shadow: 0 8px 24px rgba(33, 85, 217, 0.08);
}

.fixed-parameter span {
    color: var(--muted);
    font-size: 0.88rem;
}

.fixed-parameter strong {
    display: grid;
    width: 30px;
    height: 30px;
    place-items: center;
    border-radius: 9px;
    background: var(--primary);
    color: #fff;
}

.panel {
    border: 1px solid rgba(210, 216, 226, 0.85);
    border-radius: 20px;
    background: var(--panel);
    box-shadow: var(--shadow);
}

.request-panel {
    padding: 26px;
}

.section-heading {
    margin-bottom: 20px;
}

.section-heading p {
    margin: 7px 0 0;
}

form label {
    display: inline-block;
    margin-bottom: 8px;
    font-weight: 750;
}

.form-row {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) auto;
    gap: 12px;
}

input {
    width: 100%;
    min-height: 48px;
    border: 1px solid #cbd2dc;
    border-radius: 12px;
    background: #fff;
    color: var(--text);
    padding: 0 14px;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(33, 85, 217, 0.12);
}

button {
    min-height: 48px;
    border: 0;
    border-radius: 12px;
    padding: 0 20px;
    background: var(--primary);
    color: #fff;
    font-weight: 760;
    transition: background 0.15s ease, transform 0.15s ease;
}

button:hover:not(:disabled) {
    background: var(--primary-hover);
}

button:active:not(:disabled) {
    transform: translateY(1px);
}

button:disabled {
    cursor: wait;
    opacity: 0.72;
}

.spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.45);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

button.loading .button-label {
    display: none;
}

button.loading .spinner {
    display: inline-block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.field-help {
    margin: 10px 0 0;
    font-size: 0.88rem;
}

code {
    padding: 2px 5px;
    border-radius: 5px;
    background: #eef1f5;
    color: #344054;
}

.message {
    margin-top: 18px;
    padding: 13px 15px;
    border-radius: 12px;
    font-weight: 650;
}

.message.success {
    background: var(--success-bg);
    color: var(--success);
}

.message.error {
    background: var(--error-bg);
    color: var(--error);
}

.results-panel {
    margin-top: 22px;
    overflow: hidden;
}

.results-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 24px 26px 18px;
}

.result-summary {
    margin: 7px 0 0;
}

.secondary-button {
    min-height: 42px;
    border: 1px solid #cbd5ee;
    background: #fff;
    color: var(--primary);
}

.secondary-button:hover:not(:disabled) {
    background: var(--primary-soft);
}

.filter-row {
    display: grid;
    grid-template-columns: minmax(220px, 520px) auto;
    align-items: center;
    gap: 14px;
    padding: 0 26px 20px;
}

.filter-row input {
    min-height: 44px;
}

.filtered-count {
    color: var(--muted);
    font-size: 0.9rem;
    white-space: nowrap;
}

.table-wrap {
    overflow-x: auto;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

table {
    width: 100%;
    min-width: 850px;
    border-collapse: collapse;
}

th,
td {
    padding: 14px 16px;
    border-bottom: 1px solid #edf0f4;
    text-align: left;
    vertical-align: top;
}

th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: #f8fafc;
    color: #475467;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.035em;
    text-transform: uppercase;
}

tbody tr:hover {
    background: #fafbff;
}

tbody tr:last-child td {
    border-bottom: 0;
}

.shop-name {
    font-weight: 780;
}

.cell-muted {
    color: var(--muted);
}

.cell-link {
    color: var(--primary);
    overflow-wrap: anywhere;
}

.detail-toggle {
    min-height: 34px;
    padding: 0 11px;
    border: 1px solid #d7ddea;
    border-radius: 9px;
    background: #fff;
    color: #344054;
    font-size: 0.85rem;
}

.detail-toggle:hover:not(:disabled) {
    background: #f3f6fb;
}

.detail-row td {
    padding: 0;
    background: #f8fafc;
}

.detail-content {
    display: none;
    padding: 16px;
}

.detail-row.open .detail-content {
    display: block;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
}

.detail-item {
    padding: 10px 12px;
    border: 1px solid #e1e6ee;
    border-radius: 10px;
    background: #fff;
}

.detail-key {
    display: block;
    margin-bottom: 4px;
    color: var(--muted);
    font-size: 0.77rem;
    font-weight: 800;
    text-transform: uppercase;
}

.detail-value {
    overflow-wrap: anywhere;
}

.empty-state {
    padding: 32px;
    color: var(--muted);
    text-align: center;
}

.raw-json {
    margin: 20px 26px 26px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #f8fafc;
}

.raw-json summary {
    cursor: pointer;
    padding: 13px 15px;
    font-weight: 700;
}

.raw-json pre {
    max-height: 440px;
    margin: 0;
    overflow: auto;
    border-top: 1px solid var(--line);
    padding: 16px;
    font: 0.82rem/1.55 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    white-space: pre-wrap;
    word-break: break-word;
}

footer {
    padding: 24px 4px 0;
    color: var(--muted);
    font-size: 0.84rem;
    text-align: center;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 700px) {
    .app-shell {
        width: min(100% - 20px, 1180px);
        padding-top: 26px;
    }

    .hero,
    .results-topbar {
        align-items: stretch;
        flex-direction: column;
    }

    .fixed-parameter {
        align-self: flex-start;
    }

    .request-panel,
    .results-topbar {
        padding-left: 18px;
        padding-right: 18px;
    }

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

    .filter-row {
        padding-left: 18px;
        padding-right: 18px;
    }

    .secondary-button {
        width: 100%;
    }

    .raw-json {
        margin-left: 18px;
        margin-right: 18px;
    }
}