:root {
    color-scheme: dark;

    font-family:
        "Jost",
        ui-sans-serif,
        system-ui,
        sans-serif;

    background:
        radial-gradient(
            circle at 25% 10%,
            rgba(117, 87, 255, 0.2),
            transparent 36%
        ),
        radial-gradient(
            circle at 80% 80%,
            rgba(25, 126, 255, 0.12),
            transparent 40%
        ),
        #08080b;

    color: #f6f6f8;
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    margin: 0;
}

button,
input {
    font: inherit;
}

button {
    color: inherit;
}

.application-shell {
    min-height: 100vh;
    padding: 32px;
}

.application-layout {
    width: min(1180px, 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns:
        minmax(0, 760px)
        minmax(280px, 360px);
    gap: 20px;
    align-items: start;
}

.experience,
.inspector {
    border: 1px solid rgba(255, 255, 255, 0.11);
    background: rgba(16, 16, 21, 0.78);
    backdrop-filter: blur(30px);
    box-shadow: 0 40px 140px rgba(0, 0, 0, 0.5);
}

.experience {
    min-height: calc(100vh - 64px);
    display: flex;
    flex-direction: column;
    padding: 32px;
    border-radius: 30px;
}

.experience__header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 26px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nova-mark {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border-radius: 16px;
    background: linear-gradient(
        145deg,
        rgba(137, 111, 255, 1),
        rgba(84, 87, 255, 1)
    );
    box-shadow:
        0 12px 34px rgba(91, 76, 255, 0.32);
    font-weight: 700;
}

.eyebrow {
    margin: 0 0 4px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

h1,
h2 {
    margin: 0;
    letter-spacing: -0.025em;
}

h1 {
    font-size: 1.3rem;
}

h2 {
    font-size: 1.15rem;
}

.conversation {
    flex: 1;
    min-height: 360px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 34px 0;
}

.message {
    max-width: 82%;
}

.message--reviewer {
    align-self: flex-end;
}


.message__content {
    margin: 0;
    padding: 16px 18px;
    border-radius: 20px;
    font-size: 1rem;
    line-height: 1.55;
}

.message--nova .message__content {
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-top-left-radius: 6px;
    background: rgba(255, 255, 255, 0.045);
}

.message--reviewer .message__content {
    border-top-right-radius: 6px;
    background: rgba(105, 87, 255, 0.9);
}

.message--loading {
    opacity: 0.55;
}

.message--loading .message__content {
    animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 0.55;
    }

    50% {
        opacity: 1;
    }
}

.starter-paths {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.starter-button {
    padding: 11px 15px;
    border: 0 solid rgba(105, 87, 255, 0.95);
    border-radius: 999px;
    background: rgba(105, 87, 255, 0.25);
    cursor: pointer;
    transition:
        background 140ms ease,
        border-color 140ms ease,
        transform 140ms ease;
}

.starter-button:hover:not(:disabled) {
    border-color: rgba(150, 130, 255, 0.65);
    background: rgba(105, 87, 255, 0.95);
    /* transform: translateY(-1px); */
    transform: scale(1.02);
}

.starter-button:disabled {
    cursor: default;
    opacity: 0.35;
}

.message-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    margin-top: 22px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.message-input {
    min-width: 0;
    padding: 13px 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    outline: none;
    color: #f6f6f8;
    background: rgba(255, 255, 255, 0.045);
}

.message-input:focus {
    border-color: rgba(150, 130, 255, 0.75);
}

.message-input::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.send-button {
    padding: 13px 18px;
    border: 0;
    border-radius: 16px;
    background: rgba(105, 87, 255, 0.95);
    cursor: pointer;
    transition:
        background 140ms ease
}

.send-button:hover {
    background: rgba(87, 69, 255, 0.95);
}

.send-button:disabled,
.message-input:disabled {
    cursor: default;
    opacity: 0.45;
}

.inspector {
    position: sticky;
    top: 32px;
    max-height: calc(100vh - 64px);
    overflow: auto;
    padding: 24px;
    border-radius: 24px;
}

.inspector__header {
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.inspector__content {
    padding-top: 18px;
}

.inspector__empty {
    margin: 0;
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.88rem;
    line-height: 1.55;
}

.inspector-list {
    margin: 0;
}

.inspector-row {
    padding: 11px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.065);
}

.inspector-row__label,
.inspector-row__value {
    margin: 0;
}

.inspector-row__label {
    margin-bottom: 4px;
    color: rgba(255, 255, 255, 0.38);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.inspector-row__value {
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.88rem;
    line-height: 1.45;
}

.error-message {
    margin: 18px 0 0;
    padding: 12px 14px;
    border: 1px solid rgba(255, 111, 111, 0.25);
    border-radius: 14px;
    color: #ffb8b8;
    background: rgba(255, 111, 111, 0.08);
    font-size: 0.86rem;
}

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

@media (max-width: 920px) {
    .application-layout {
        grid-template-columns: 1fr;
    }

    .experience {
        min-height: auto;
    }

    .inspector {
        position: static;
        max-height: none;
    }
}

@media (max-width: 600px) {
    .application-shell {
        padding: 14px;
    }

    .experience {
        padding: 22px;
        border-radius: 22px;
    }

    .message {
        max-width: 94%;
    }

    .message-form {
        grid-template-columns: 1fr;
    }
}


/* Entity media thumbnails and lightbox */

.message__media-groups {
    width: 100%;
    display: grid;
    gap: 10px;
    margin-top: 10px;
}

.media-carousel {
    --media-thumbnail-size: 132px;

    position: relative;
    width: 100%;
    min-width: 0;
}

.media-carousel__viewport {
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 2px;
    scrollbar-width: none;
    scroll-behavior: smooth;
    scroll-snap-type: x proximity;
    overscroll-behavior-inline: contain;
}

.media-carousel__viewport::-webkit-scrollbar {
    display: none;
}

.media-carousel__track {
    width: max-content;
    display: flex;
    gap: 10px;
}

.media-thumbnail {
    position: relative;
    width: var(--media-thumbnail-size);
    aspect-ratio: 1;
    flex: 0 0 var(--media-thumbnail-size);
    display: block;
    overflow: hidden;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
    scroll-snap-align: start;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.16);
    transition:
        border-color 140ms ease,
        transform 140ms ease,
        box-shadow 140ms ease;
}

.media-thumbnail:hover {
    border: 2px solid rgba(160, 143, 255, 0.72);
    /* transform: translateY(-2px); */
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
}

.media-thumbnail:focus-visible {
    outline: 2px solid rgba(177, 164, 255, 0.95);
    outline-offset: 3px;
}

.media-thumbnail img,
.media-thumbnail video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    pointer-events: none;
}

.media-thumbnail__play {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    padding-left: 2px;
    border: 1px solid rgba(255, 255, 255, 0.36);
    border-radius: 999px;
    background: rgba(7, 7, 10, 0.68);
    backdrop-filter: blur(12px);
    transform: translate(-50%, -50%);
    font-size: 0.78rem;
}

.media-carousel__button {
    position: absolute;
    z-index: 2;
    top: 50%;
    width: 34px;
    height: 34px;
    display: none;
    place-items: center;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    background: rgba(13, 13, 18, 0.9);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.38);
    cursor: pointer;
    transform: translateY(-50%);
}

.media-carousel--overflowing .media-carousel__button {
    display: grid;
}

.media-carousel__button--previous {
    left: 7px;
}

.media-carousel__button--next {
    right: 7px;
}

.media-carousel__button:disabled {
    opacity: 0;
    pointer-events: none;
}

.media-carousel__button:focus-visible {
    outline: 2px solid rgba(177, 164, 255, 0.95);
    outline-offset: 2px;
}

body.media-lightbox-open {
    overflow: hidden;
}

.media-lightbox[hidden] {
    display: none;
}

.media-lightbox {
    position: fixed;
    z-index: 1000;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 32px 72px;
    background: rgba(3, 3, 6, 0.88);
    backdrop-filter: blur(24px);
}

.media-lightbox__content {
    width: min(1120px, calc(100vw - 144px));
    max-height: calc(100vh - 64px);
    display: flex;
    flex-direction: column;
    gap: 14px;
    min-width: 0;
}

.media-lightbox__stage {
    min-height: 0;
    display: grid;
    place-items: center;
}

.media-lightbox__media {
    max-width: 100%;
    max-height: calc(100vh - 154px);
    display: block;
    object-fit: contain;
    border-radius: 10px;
    background: #050507;
    box-shadow: 0 34px 110px rgba(0, 0, 0, 0.64);
}

.media-lightbox__details {
    min-height: 28px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    color: rgba(255, 255, 255, 0.78);
}

.media-lightbox__text {
    min-width: 0;
}

.media-lightbox__title,
.media-lightbox__caption,
.media-lightbox__credit {
    margin: 0;
}

.media-lightbox__title {
    color: #ffffff;
    font-weight: 600;
}

.media-lightbox__caption {
    margin-top: 3px;
    font-size: 0.92rem;
    line-height: 1.45;
}

.media-lightbox__credit {
    margin-top: 4px;
    color: rgba(255, 255, 255, 0.46);
    font-size: 0.78rem;
}

.media-lightbox__count {
    flex: 0 0 auto;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.78rem;
    white-space: nowrap;
}

.media-lightbox__close,
.media-lightbox__navigation {
    position: fixed;
    z-index: 1001;
    display: grid;
    place-items: center;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    background: rgba(18, 18, 23, 0.82);
    backdrop-filter: blur(16px);
    cursor: pointer;
    transition:
        background 140ms ease,
        border-color 140ms ease,
        transform 140ms ease;
}

.media-lightbox__close:hover,
.media-lightbox__navigation:hover:not(:disabled) {
    border-color: rgba(255, 255, 255, 0.42);
    background: rgba(35, 35, 43, 0.94);
}

.media-lightbox__close:focus-visible,
.media-lightbox__navigation:focus-visible {
    outline: 2px solid rgba(177, 164, 255, 0.95);
    outline-offset: 3px;
}

.media-lightbox__close {
    top: 22px;
    right: 22px;
    width: 42px;
    height: 42px;
    font-size: 1.6rem;
    line-height: 1;
}

.media-lightbox__navigation {
    top: 50%;
    width: 46px;
    height: 46px;
    transform: translateY(-50%);
}

.media-lightbox__navigation--previous {
    left: 18px;
}

.media-lightbox__navigation--next {
    right: 18px;
}

.media-lightbox__navigation:disabled {
    opacity: 0.22;
    cursor: default;
}

/* Display all entity media as one wrapping thumbnail row */

.message__media-groups {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 10px;
}

.message__media-groups .media-carousel,
.message__media-groups .media-carousel__viewport,
.message__media-groups .media-carousel__track {
    display: contents;
}

.message__media-groups .media-carousel__button {
    display: none !important;
}

@media (max-width: 600px) {
    .media-carousel {
        --media-thumbnail-size: 108px;
    }

    .media-lightbox {
        padding: 58px 14px 18px;
    }

    .media-lightbox__content {
        width: 100%;
        max-height: calc(100vh - 76px);
    }

    .media-lightbox__media {
        max-height: calc(100vh - 166px);
        border-radius: 8px;
    }

    .media-lightbox__close {
        top: 12px;
        right: 12px;
        width: 38px;
        height: 38px;
    }

    .media-lightbox__navigation {
        top: auto;
        bottom: 14px;
        width: 40px;
        height: 40px;
        transform: none;
    }

    .media-lightbox__navigation--previous {
        left: 14px;
    }

    .media-lightbox__navigation--next {
        right: 14px;
    }

    .media-lightbox__details {
        padding: 0 52px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .media-thumbnail,
    .media-carousel__viewport,
    .media-lightbox__close,
    .media-lightbox__navigation {
        scroll-behavior: auto;
        transition: none;
    }
}