.api-playground-page {
    min-height: 100dvh;
    margin: 0;
    overflow-x: hidden;
    overflow-y: auto;
    color: var(--text);
}

.api-playground-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(1120px, calc(100% - 32px));
    min-height: 72px;
    margin: 0 auto;
    border-bottom: 1px solid var(--line);
}

.api-playground-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.api-playground-brand__mark {
    width: 38px;
    height: 38px;
    object-fit: contain;
}

.api-playground-brand__name {
    color: var(--ink);
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -.035em;
}

.api-playground-header__status {
    margin: 0;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-pill);
    background: var(--brand-10);
    color: var(--brand-dark);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.api-playground-main {
    display: grid;
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: calc(var(--space-4) * 3);
    align-items: start;
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: calc(var(--space-4) * 3) 0 calc(var(--space-4) * 4);
}

.api-playground-intro {
    max-width: 520px;
}

.api-playground-back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    min-height: 36px;
    margin: 0 0 var(--space-4);
    padding: 0 var(--space-3);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-pill);
    background: var(--brand-10);
    color: var(--brand-dark);
    font: inherit;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
}

.api-playground-back:hover {
    background: var(--brand-20);
}

.api-playground-eyebrow,
.api-playground-result__eyebrow {
    margin: 0 0 var(--space-2);
    color: var(--brand-dark);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.api-playground-intro h1 {
    margin: 0;
    color: var(--ink);
    font-size: clamp(30px, 4.2vw, 48px);
    font-weight: 800;
    letter-spacing: -.055em;
    line-height: 1.05;
}

.api-playground-intro__copy {
    max-width: 60ch;
    margin: var(--space-4) 0 calc(var(--space-4) * 2);
    color: var(--text-2);
    font-size: 15px;
    line-height: 1.7;
}

.api-playground-form {
    display: grid;
    gap: var(--space-5);
}

.api-playground-field {
    display: grid;
    gap: var(--space-2);
}

.api-playground-field > label {
    color: var(--ink);
    font-size: 13px;
    font-weight: 800;
}

.api-playground-field input,
.api-playground-field select,
.api-playground-field textarea {
    width: 100%;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    background: var(--surface-solid);
    color: var(--text);
    font: inherit;
    outline: none;
    transition: border-color .16s var(--ease-premium), box-shadow .16s var(--ease-premium), background .16s var(--ease-premium);
}

.api-playground-field input,
.api-playground-field select {
    min-height: 48px;
    padding: 0 var(--space-4);
}

.api-playground-field textarea {
    min-height: 136px;
    padding: var(--space-3) var(--space-4);
    line-height: 1.6;
    resize: vertical;
}

.api-playground-field input:hover,
.api-playground-field select:hover,
.api-playground-field textarea:hover {
    border-color: var(--brand-30);
}

.api-playground-field input:focus-visible,
.api-playground-field select:focus-visible,
.api-playground-field textarea:focus-visible,
.api-playground-secret__toggle:focus-visible,
.api-playground-back:focus-visible,
.api-playground-submit:focus-visible {
    border-color: var(--brand-40);
    box-shadow: 0 0 0 4px var(--brand-20);
}

.api-playground-field input[aria-invalid="true"],
.api-playground-field textarea[aria-invalid="true"] {
    border-color: var(--status-danger-line);
    background: var(--status-danger-bg);
}

.api-playground-field input:disabled,
.api-playground-field select:disabled,
.api-playground-field textarea:disabled {
    cursor: wait;
    opacity: .58;
}

.api-playground-secret {
    position: relative;
}

.api-playground-secret input {
    padding-right: 84px;
}

.api-playground-secret__toggle {
    position: absolute;
    top: 50%;
    right: var(--space-2);
    min-width: 64px;
    min-height: 36px;
    padding: 0 var(--space-3);
    border: 0;
    border-radius: calc(var(--radius-sm) - 6px);
    background: var(--brand-10);
    color: var(--brand-dark);
    font: inherit;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
    transform: translateY(-50%);
}

.api-playground-secret__toggle:hover {
    background: var(--brand-20);
}

.api-playground-secret__toggle:disabled {
    cursor: wait;
    opacity: .48;
}

.api-playground-select {
    position: relative;
}

.api-playground-select select {
    appearance: none;
    padding-right: calc(var(--space-4) * 3);
    cursor: pointer;
}

.api-playground-select svg {
    position: absolute;
    top: 50%;
    right: var(--space-4);
    width: 20px;
    height: 20px;
    color: var(--brand-dark);
    pointer-events: none;
    transform: translateY(-50%);
}

.api-playground-field__help,
.api-playground-field__error,
.api-playground-form__billing,
.api-playground-form__error {
    margin: 0;
    font-size: 11px;
    line-height: 1.55;
}

.api-playground-field__help,
.api-playground-form__billing,
.api-playground-field__meta span {
    color: var(--text-2);
}

.api-playground-field__error,
.api-playground-form__error {
    color: var(--status-danger);
    font-weight: 700;
}

.api-playground-form__error {
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--status-danger-line);
    border-radius: var(--radius-sm);
    background: var(--status-danger-bg);
}

.api-playground-field__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.api-playground-field__meta span {
    flex: 0 0 auto;
    font-size: 11px;
    font-variant-numeric: tabular-nums;
}

.api-playground-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    width: 100%;
    min-height: 50px;
    padding: var(--space-3) var(--space-4);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background: var(--brand);
    color: var(--surface-solid);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 12px 28px var(--brand-20);
    transition: transform .16s var(--ease-premium), background .16s var(--ease-premium), opacity .16s var(--ease-premium);
}

.api-playground-submit svg {
    width: 20px;
    height: 20px;
}

.api-playground-submit:hover:not(:disabled) {
    background: var(--brand-dark);
    transform: translateY(-1px);
}

.api-playground-submit:active:not(:disabled) {
    transform: translateY(0) scale(.98);
}

.api-playground-submit:disabled {
    cursor: wait;
    opacity: .48;
}

.api-playground-form__billing {
    text-align: center;
}

.api-playground-result {
    position: sticky;
    top: var(--space-4);
    display: flex;
    flex-direction: column;
    min-height: 560px;
    padding: calc(var(--space-4) * 2);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.api-playground-result__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--line);
}

.api-playground-result__header h2 {
    margin: 0;
    color: var(--ink);
    font-size: 21px;
    font-weight: 800;
    letter-spacing: -.035em;
}

.api-playground-result__model {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-pill);
    background: var(--brand-10);
    color: var(--brand-dark);
    font-size: 11px;
    font-weight: 800;
}

.api-playground-result__empty,
.api-playground-result__loading {
    display: grid;
    place-items: center;
    align-content: center;
    flex: 1;
    gap: var(--space-3);
    min-height: 360px;
    color: var(--text-2);
    text-align: center;
}

.api-playground-result__empty-mark {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    background: var(--brand-10);
    color: var(--brand-dark);
}

.api-playground-result__empty-mark svg {
    width: 32px;
    height: 32px;
}

.api-playground-result__empty p,
.api-playground-result__loading p {
    margin: 0;
}

.api-playground-result__pulse {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--brand);
    box-shadow: 0 0 0 0 var(--brand-20);
    animation: api-playground-pulse 1.4s var(--ease-premium) infinite;
}

.api-playground-result__answer {
    margin: calc(var(--space-4) * 2) 0 0;
    color: var(--text);
    font-size: 18px;
    line-height: 1.7;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.api-playground-result__answer:focus-visible {
    outline: 2px solid var(--brand-40);
    outline-offset: var(--space-2);
    border-radius: var(--space-1);
}

.api-playground-result__error {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-top: calc(var(--space-4) * 2);
    padding: var(--space-4);
    border: 1px solid var(--status-danger-line);
    border-radius: var(--radius-sm);
    background: var(--status-danger-bg);
    color: var(--status-danger);
}

.api-playground-result__error svg {
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    margin-top: 2px;
}

.api-playground-result__error p {
    margin: 0;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.6;
}

@keyframes api-playground-pulse {
    0% { transform: scale(.86); box-shadow: 0 0 0 0 var(--brand-20); }
    70% { transform: scale(1); box-shadow: 0 0 0 12px transparent; }
    100% { transform: scale(.86); box-shadow: 0 0 0 0 transparent; }
}

@media (max-width: 760px) {
    .api-playground-header {
        width: min(100% - 24px, 640px);
    }

    .api-playground-header__status {
        font-size: 10px;
        letter-spacing: .06em;
    }

    .api-playground-main {
        grid-template-columns: 1fr;
        gap: calc(var(--space-4) * 2);
        width: min(100% - 24px, 640px);
        padding: calc(var(--space-4) * 2) 0 calc(var(--space-4) * 3);
    }

    .api-playground-intro {
        max-width: none;
    }

    .api-playground-result {
        position: static;
        min-height: 400px;
        padding: var(--space-5);
    }

    .api-playground-result__empty,
    .api-playground-result__loading {
        min-height: 250px;
    }
}

@media (max-width: 380px) {
    .api-playground-header__status {
        max-width: 130px;
        text-align: center;
    }

    .api-playground-brand__name {
        display: none;
    }

    .api-playground-result__header {
        align-items: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .api-playground-field input,
    .api-playground-field select,
    .api-playground-field textarea,
    .api-playground-submit {
        transition: none;
    }

    .api-playground-result__pulse {
        animation: none;
    }
}