* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --background: #f4f6f8;
    --surface: #ffffff;
    --primary: #121a24;
    --primary-soft: #223142;
    --accent: #ffbb62;
    --accent-hover: #f2a947;
    --text: #0f172a;
    --muted: #667085;
    --border: #d9e0e8;
    --success: #067647;
    --success-bg: #ecfdf3;
    --warning: #b54708;
    --warning-bg: #fffaeb;
    --danger: #b42318;
    --danger-bg: #fff1f0;
}

html:not(.seller-ready) body.protected-page {
    visibility: hidden;
}

body {
    min-height: 100vh;
    background: var(--background);
    color: var(--text);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

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

button:disabled {
    cursor: not-allowed;
    opacity: .65;
}

[hidden] {
    display: none !important;
}

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background:
        radial-gradient(circle at top left, rgba(255, 187, 98, .25), transparent 34%),
        linear-gradient(135deg, #121a24 0%, #223142 56%, #0f172a 100%);
}

.auth-card {
    width: 100%;
    max-width: 520px;
    overflow: hidden;
    border-radius: 22px;
    background: var(--surface);
    box-shadow: 0 28px 80px rgba(0, 0, 0, .3);
}

.auth-card-wide {
    max-width: 780px;
}

.auth-brand {
    padding: 28px 34px;
    background: var(--primary);
    color: #fff;
}

.auth-brand strong {
    display: inline-flex;
    gap: 8px;
    font-size: 25px;
    font-weight: 900;
}

.auth-brand span,
.seller-logo span {
    color: var(--accent);
}

.auth-brand p {
    margin-top: 6px;
    color: #d6dae0;
    font-size: 14px;
}

.auth-content {
    padding: 34px;
}

.eyebrow {
    margin-bottom: 8px;
    color: #a45c00;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.auth-content h1,
.page-heading h1 {
    margin-bottom: 8px;
    font-size: 32px;
    line-height: 1.2;
}

.description,
.page-heading p:last-child {
    color: var(--muted);
    line-height: 1.6;
}

.description {
    margin-bottom: 24px;
}

.form,
.dashboard-form {
    display: grid;
    gap: 17px;
}

.dashboard-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form label,
.contact-form label,
.dashboard-form label,
.inline-form label {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.form label span,
.contact-form label span,
.dashboard-form label span,
.inline-form label span {
    color: #344054;
    font-size: 13px;
    font-weight: 800;
}

.form input,
.contact-form input,
.contact-form textarea,
.dashboard-form input,
.dashboard-form textarea,
.dashboard-form select,
.inline-form select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 13px;
    background: #fff;
    color: var(--text);
    outline: none;
}

.form input:focus,
.contact-form input:focus,
.contact-form textarea:focus,
.dashboard-form input:focus,
.dashboard-form textarea:focus,
.dashboard-form select:focus,
.inline-form select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(255, 187, 98, .22);
}

textarea {
    resize: vertical;
}

.primary-button,
.secondary-button,
.logout-button,
.small-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    padding: 11px 17px;
    font-weight: 850;
    cursor: pointer;
    transition: .18s ease;
}

.primary-button {
    border: 1px solid var(--accent);
    background: var(--accent);
    color: var(--primary);
}

.primary-button:hover {
    border-color: var(--accent-hover);
    background: var(--accent-hover);
}

.secondary-button,
.small-button {
    border: 1px solid var(--border);
    background: #fff;
    color: var(--primary);
}

.secondary-button:hover,
.small-button:hover {
    background: #f8fafc;
    border-color: #98a2b3;
}

.separator {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 26px 0;
    color: #98a2b3;
    font-size: 13px;
}

.separator::before,
.separator::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}

.seller-interest {
    text-align: center;
}

.seller-interest h2 {
    margin-bottom: 7px;
    font-size: 19px;
}

.seller-interest p {
    margin-bottom: 17px;
    color: var(--muted);
    line-height: 1.5;
}

.alert {
    margin-bottom: 18px;
    border-radius: 10px;
    padding: 13px 15px;
    font-size: 14px;
    font-weight: 700;
}

.alert-error {
    border: 1px solid #fecdca;
    background: var(--danger-bg);
    color: var(--danger);
}

.alert-success {
    border: 1px solid #abefc6;
    background: var(--success-bg);
    color: var(--success);
}

.alert-info {
    border: 1px solid #b2ddff;
    background: #eff8ff;
    color: #175cd3;
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 17px;
}

.field-wide {
    grid-column: 1 / -1;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.seller-layout {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 238px minmax(0, 1fr);
    grid-template-rows: 72px minmax(0, 1fr);
}

.seller-header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    background: var(--primary);
    color: #fff;
}

.seller-logo {
    font-size: 23px;
    font-weight: 900;
}

.seller-user {
    display: flex;
    align-items: center;
    gap: 18px;
}

.seller-user > div {
    display: flex;
    flex-direction: column;
    text-align: right;
}

.seller-user small {
    margin-top: 2px;
    color: #d6dae0;
}

.logout-button {
    border: 1px solid rgba(255, 255, 255, .28);
    background: transparent;
    color: #fff;
}

.logout-button:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.seller-sidebar {
    padding: 24px 12px;
    background: var(--primary-soft);
}

.seller-sidebar nav {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.seller-sidebar a {
    display: block;
    border-radius: 11px;
    padding: 13px 14px;
    color: #c8d0da;
    font-weight: 800;
}

.seller-sidebar a:hover {
    background: rgba(255, 255, 255, .06);
    color: #fff;
}

.seller-sidebar a.active {
    background: var(--accent);
    color: var(--primary);
}

.seller-main {
    min-width: 0;
    padding: 36px;
}

.page-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 22px;
    margin-bottom: 26px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.stat-card,
.panel,
.table-card,
.form-card,
.loading-card,
.empty-state {
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface);
    box-shadow: 0 10px 28px rgba(16, 24, 40, .06);
}

.stat-card {
    min-height: 142px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 23px;
}

.stat-card span {
    color: var(--muted);
    font-weight: 750;
}

.stat-card strong {
    font-size: 31px;
}

.panel,
.form-card {
    padding: 24px;
}

.loading-card,
.empty-state {
    padding: 56px 24px;
    text-align: center;
}

.empty-state h2 {
    margin-bottom: 8px;
}

.empty-state p {
    margin-bottom: 20px;
    color: var(--muted);
}

.table-card {
    overflow: hidden;
}

.table-wrapper {
    overflow-x: auto;
}

.seller-table {
    width: 100%;
    border-collapse: collapse;
}

.seller-table th,
.seller-table td {
    padding: 15px 17px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: middle;
}

.seller-table th {
    background: #f8fafc;
    color: #475467;
    font-size: 13px;
}

.seller-table tr:last-child td {
    border-bottom: 0;
}

.product-cell {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 250px;
}

.product-cell img,
.product-thumb-placeholder {
    width: 52px;
    height: 52px;
    flex: 0 0 52px;
    border: 1px solid var(--border);
    border-radius: 10px;
    object-fit: cover;
}

.product-thumb-placeholder {
    display: grid;
    place-items: center;
    background: var(--accent);
    font-weight: 900;
}

.product-cell > div:last-child {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

.table-actions {
    display: flex;
    gap: 8px;
}

.small-button {
    padding: 7px 10px;
    font-size: 13px;
}

.danger-button {
    border-color: #fecdca;
    color: var(--danger);
}

.status-badge {
    display: inline-flex;
    border-radius: 999px;
    padding: 5px 10px;
    background: #f2f4f7;
    color: #475467;
    font-size: 12px;
    font-weight: 800;
    white-space: nowrap;
}

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

.status-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.status-danger {
    background: var(--danger-bg);
    color: var(--danger);
}

.inline-form {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) 180px auto;
    align-items: end;
    gap: 16px;
}

.page-section {
    margin-top: 22px;
}

@media (max-width: 980px) {
    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .contact-form,
    .dashboard-form,
    .inline-form {
        grid-template-columns: 1fr;
    }

    .field-wide {
        grid-column: auto;
    }

    .seller-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto 1fr;
    }

    .seller-header {
        grid-column: auto;
        padding: 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .seller-user {
        width: 100%;
        justify-content: space-between;
    }

    .seller-user > div {
        text-align: left;
    }

    .seller-sidebar {
        padding: 10px;
        overflow-x: auto;
    }

    .seller-sidebar nav {
        flex-direction: row;
        min-width: max-content;
    }

    .seller-main {
        padding: 24px 16px;
    }

    .page-heading {
        flex-direction: column;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .table-actions {
        flex-direction: column;
    }
}


.api-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 22px;
}

.card-heading {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 20px;
}

.card-heading h2 {
    margin-bottom: 6px;
    font-size: 21px;
}

.card-heading p {
    color: var(--muted);
    line-height: 1.5;
}

.api-secret-panel {
    border: 1px solid #a6f4c5;
    background: var(--success-bg);
}

.api-key-secret {
    display: flex;
    align-items: stretch;
    gap: 10px;
}

.api-key-secret code,
.api-doc-block code,
.api-endpoint code {
    overflow-wrap: anywhere;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.api-key-secret code {
    flex: 1;
    min-width: 0;
    border: 1px solid #75e0a7;
    border-radius: 10px;
    padding: 13px;
    background: #fff;
    color: #054f31;
}

.api-docs {
    display: grid;
    gap: 18px;
}

.api-doc-block {
    display: grid;
    gap: 8px;
}

.api-doc-block span {
    color: #344054;
    font-size: 13px;
    font-weight: 800;
}

.api-doc-block code {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 13px;
    background: #f8fafc;
}

.api-endpoints {
    display: grid;
    gap: 10px;
}

.api-endpoint {
    display: grid;
    grid-template-columns: 58px minmax(220px, .8fr) minmax(220px, 1fr);
    align-items: center;
    gap: 14px;
    border-top: 1px solid var(--border);
    padding-top: 12px;
}

.api-endpoint strong {
    color: var(--success);
    font-size: 13px;
}

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

.api-table-heading {
    margin: 0;
    padding: 22px 24px;
    border-bottom: 1px solid var(--border);
}

.scope-badge {
    display: inline-flex;
    border-radius: 999px;
    padding: 5px 10px;
    background: #eef4ff;
    color: #3538cd;
    font-size: 12px;
    font-weight: 800;
}

@media (max-width: 900px) {
    .api-grid {
        grid-template-columns: 1fr;
    }

    .api-endpoint {
        grid-template-columns: 52px 1fr;
    }

    .api-endpoint span {
        grid-column: 1 / -1;
    }
}

@media (max-width: 560px) {
    .api-key-secret {
        flex-direction: column;
    }
}