:root {
    color-scheme: light;
    --bg-cream: #f6efe4;
    --bg-mint: #ebf3eb;
    --bg-sky: #dee7f4;
    --ink-900: #17242b;
    --ink-700: #41515a;
    --ink-500: #6a7a82;
    --line-soft: rgba(23, 36, 43, 0.12);
    --line-strong: rgba(23, 36, 43, 0.18);
    --surface: rgba(255, 255, 255, 0.72);
    --surface-strong: rgba(255, 255, 255, 0.88);
    --shadow: 0 22px 60px rgba(26, 48, 59, 0.14);
    --teal-700: #184b58;
    --teal-600: #1f6775;
    --teal-500: #2a8495;
    --amber-600: #cb7a15;
    --success-600: #1f7a4d;
    --danger-600: #b24335;
    --radius-xl: 28px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --page-pad: clamp(14px, 2vw, 24px);
    --panel-pad: clamp(16px, 2.2vh, 24px);
    --gap: clamp(12px, 1.6vw, 18px);
    --hero-row-height: clamp(172px, 22vh, 210px);
    --font-body: "Segoe UI Variable Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-title: Georgia, "Times New Roman", "Songti SC", serif;
    --font-mono: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--ink-900);
    background: linear-gradient(135deg, var(--bg-cream), #edf2ee 46%, var(--bg-sky));
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.36), transparent 80%);
}

button,
input,
textarea {
    font: inherit;
}

a {
    color: inherit;
}

[hidden] {
    display: none !important;
}

.sr-only {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.page-shell {
    position: relative;
    isolation: isolate;
    min-height: 100dvh;
    block-size: 100dvh;
    padding: var(--page-pad);
    overflow: hidden;
}

.workspace {
    min-height: 0;
    block-size: calc(100dvh - (var(--page-pad) * 2));
    max-block-size: calc(100dvh - (var(--page-pad) * 2));
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--gap);
}

.workspace--with-notice {
    grid-template-areas:
        "title notice"
        "upload side";
    grid-template-rows: var(--hero-row-height) minmax(0, 1fr);
}

.workspace--without-notice {
    grid-template-areas:
        "title title"
        "upload side";
    grid-template-rows: auto minmax(0, 1fr);
}

.workspace__title {
    grid-area: title;
    min-block-size: 0;
    position: relative;
    z-index: 3;
    overflow: visible;
}

.workspace__notice {
    grid-area: notice;
    min-block-size: 0;
}

.workspace__upload {
    grid-area: upload;
    min-block-size: 0;
}

.workspace__side {
    grid-area: side;
    min-block-size: 0;
    overflow: hidden;
}

.surface {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.76);
    box-shadow: var(--shadow);
    backdrop-filter: blur(22px);
}

.title-card,
.panel {
    min-width: 0;
    border-radius: var(--radius-xl);
    animation: panel-rise 0.55s ease both;
}

.title-card {
    display: grid;
    gap: 0.9rem;
    padding: calc(var(--panel-pad) + 2px);
    block-size: auto;
    min-block-size: 120px;
    overflow: visible;
}

.title-card__layout {
    position: relative;
    display: block;
    min-block-size: 100%;
}

.title-card__layout > :first-child {
    position: relative;
    min-block-size: 100%;
}

.title-card__nav {
    display: flex;
    position: absolute;
    inset: 0 auto auto 0;
    align-items: center;
    gap: 0.55rem;
    flex-wrap: wrap;
    inline-size: fit-content;
    max-inline-size: 100%;
    z-index: 4;
}

.title-card__nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 0.42rem 0.82rem;
    border-radius: 999px;
    border: 1px solid rgba(23, 36, 43, 0.08);
    background: rgba(255, 255, 255, 0.7);
    color: var(--ink-700);
    font-size: 0.86rem;
    font-weight: 700;
    text-decoration: none;
    transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease, color 180ms ease;
}

.title-card__nav-link:hover,
.title-card__nav-link.is-active {
    color: var(--teal-700);
    border-color: rgba(24, 75, 88, 0.16);
    background: rgba(31, 103, 117, 0.08);
    transform: translateY(-1px);
}

.title-card__nav-link--community {
    appearance: none;
    cursor: pointer;
}

.title-card__heading {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    justify-items: center;
    text-align: center;
    min-width: 0;
    min-block-size: 0;
    padding: 0 0.5rem;
    transform: none;
    pointer-events: none;
    z-index: 1;
}

.title-card__heading h1 {
    text-align: center;
}

.title-card__community {
    position: relative;
    display: inline-flex;
}

.title-card__community--nav {
    align-self: center;
}

.title-card__community-popover {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    z-index: 8;
    inline-size: 220px;
    padding: 12px;
    border-radius: 24px;
    border: 1px solid rgba(23, 36, 43, 0.1);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 22px 44px rgba(16, 35, 45, 0.14);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

.title-card__community:hover .title-card__community-popover,
.title-card__community:focus-within .title-card__community-popover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.title-card__community-popover img {
    display: block;
    inline-size: 100%;
    block-size: auto;
    border-radius: 18px;
}

.title-card__community-popover p {
    margin: 0.75rem 0 0;
    color: var(--ink-600);
    font-size: 0.84rem;
    line-height: 1.5;
    text-align: center;
}

.panel__eyebrow {
    margin: 0;
    color: var(--teal-600);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.title-card h1,
.panel__head h2,
.markdown-card__head h3,
.accept-card h3 {
    margin: 0;
    font-family: var(--font-title);
}

.title-card h1 {
    font-size: clamp(2rem, 3vw, 3rem);
    line-height: 1;
    letter-spacing: -0.03em;
}

.panel__subcopy,
.panel__meta,
.empty-state__body,
.file-status__detail,
.result-panel__message,
.markdown-content {
    color: var(--ink-700);
    line-height: 1.6;
}

.panel__subcopy {
    margin: 0;
}

.title-card__chips {
    position: absolute;
    top: 0;
    right: 0;
    inline-size: clamp(320px, 22vw, 410px);
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.65rem;
    justify-items: stretch;
    z-index: 2;
}

.info-chip {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0.5rem 0.82rem;
    border-radius: 999px;
    border: 1px solid var(--line-soft);
    background: rgba(255, 255, 255, 0.78);
    font-size: 0.9rem;
    font-weight: 700;
    white-space: nowrap;
}

.info-chip--accent {
    color: var(--teal-700);
    background: rgba(31, 103, 117, 0.12);
}

.panel {
    min-block-size: 0;
    display: flex;
    flex-direction: column;
    padding: var(--panel-pad);
}

.panel--notice {
    block-size: 100%;
    overflow: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.panel--notice::-webkit-scrollbar {
    width: 0;
    height: 0;
}

.panel__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-block-end: 1rem;
}

.panel__head--side {
    justify-content: flex-start;
}

.panel__head--stack {
    display: grid;
    gap: 0.4rem;
}

.panel__head h2 {
    font-size: clamp(1.35rem, 2vw, 1.8rem);
    line-height: 1.08;
}

.panel__meta {
    margin: 0;
    font-size: 0.9rem;
}

.panel__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.75rem;
}

.panel__body {
    min-block-size: 0;
    flex: 1 1 auto;
    overflow: auto;
    padding-inline-end: 0.35rem;
}

.panel__body::-webkit-scrollbar {
    inline-size: 10px;
}

.panel__body::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: rgba(23, 36, 43, 0.16);
    border: 2px solid transparent;
    background-clip: padding-box;
}

.panel__body--upload {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto auto;
    gap: 1rem;
    overflow: visible;
    padding-inline-end: 0;
}

.panel__body--rich,
.panel__body--side {
    display: grid;
    gap: 0.85rem;
}

.panel--notice .panel__body {
    flex: 0 0 auto;
    overflow: visible;
    padding-inline-end: 0;
}

.panel--side {
    overflow: hidden;
}

.upload-form {
    display: grid;
    grid-template-rows: auto auto minmax(0, 1fr);
    gap: 0.9rem;
    min-block-size: 0;
}

.identity-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.identity-item {
    min-inline-size: 0;
}

.questionnaire-card {
    display: grid;
    gap: 0.9rem;
    padding: 1rem;
    border-radius: 20px;
    border: 1px solid rgba(24, 75, 88, 0.14);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.68)),
        rgba(255, 255, 255, 0.72);
}

.questionnaire-card--closed {
    border-color: rgba(178, 67, 53, 0.18);
    background:
        linear-gradient(180deg, rgba(255, 248, 246, 0.92), rgba(255, 255, 255, 0.72)),
        rgba(255, 255, 255, 0.72);
}

.questionnaire-card__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.questionnaire-card__head h3 {
    margin: 0.32rem 0 0;
    font-family: var(--font-title);
    font-size: clamp(1.15rem, 1.7vw, 1.4rem);
}

.questionnaire-card__meta {
    display: grid;
    gap: 0.4rem;
    justify-items: end;
}

.questionnaire-card__status {
    margin: 0;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    background: rgba(31, 122, 77, 0.12);
    color: var(--success-600);
    font-size: 0.85rem;
    font-weight: 700;
}

.questionnaire-card--closed .questionnaire-card__status {
    background: rgba(178, 67, 53, 0.1);
    color: var(--danger-600);
}

.questionnaire-card__intro {
    padding: 0.95rem 1rem;
    border-radius: 18px;
    border: 1px solid rgba(23, 36, 43, 0.08);
    background: rgba(255, 255, 255, 0.62);
}

.questionnaire-card__alert {
    padding: 0.9rem 1rem;
    border-radius: 18px;
    border: 1px solid rgba(178, 67, 53, 0.16);
    background: rgba(255, 246, 243, 0.92);
    color: var(--danger-600);
    font-size: 0.94rem;
    line-height: 1.6;
}

.questionnaire-card__stats {
    padding: 0.8rem 1rem;
    border-radius: 16px;
    border: 1px solid rgba(23, 36, 43, 0.08);
    background: rgba(255, 255, 255, 0.7);
    color: var(--ink-700);
    font-size: 0.95rem;
}

.questionnaire-list {
    display: grid;
    gap: 0.85rem;
    min-width: 0;
}

.questionnaire-question {
    margin: 0;
    padding: 0.9rem 1rem 1rem;
    border-radius: 18px;
    border: 1px solid rgba(23, 36, 43, 0.1);
    background: rgba(255, 255, 255, 0.7);
    min-width: 0;
    overflow: hidden;
}

.questionnaire-question.is-invalid {
    border-color: rgba(178, 67, 53, 0.42);
    box-shadow: 0 0 0 4px rgba(178, 67, 53, 0.08);
}

.questionnaire-question legend {
    padding: 0;
    display: block;
    max-inline-size: 100%;
    font-weight: 700;
    line-height: 1.6;
    overflow-wrap: anywhere;
}

.questionnaire-question__index {
    color: var(--teal-700);
}

.questionnaire-question__required {
    color: var(--danger-600);
}

.questionnaire-question__description {
    margin: 0.55rem 0 0;
    min-block-size: 3.2rem;
    max-block-size: 8.8rem;
    overflow: auto;
    padding-right: 0.2rem;
    color: var(--ink-600);
    font-size: 0.94rem;
    line-height: 1.6;
    overflow-wrap: anywhere;
}

.questionnaire-question__options {
    display: grid;
    gap: 0.65rem;
    margin-top: 0.85rem;
    min-block-size: 4.4rem;
    max-block-size: min(42vh, 24rem);
    min-width: 0;
    overflow: auto;
    padding-right: 0.2rem;
}

.questionnaire-option {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    padding: 0.75rem 0.85rem;
    border-radius: 16px;
    border: 1px solid rgba(23, 36, 43, 0.08);
    background: rgba(255, 255, 255, 0.84);
    cursor: pointer;
    min-width: 0;
}

.questionnaire-option input {
    margin-top: 0.18rem;
    accent-color: var(--teal-600);
}

.questionnaire-option span {
    line-height: 1.5;
    min-width: 0;
}

.questionnaire-option__label {
    flex: 1 1 auto;
    min-width: 0;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.questionnaire-option__count {
    flex: 0 0 auto;
    margin-left: auto;
    padding: 0.18rem 0.55rem;
    border-radius: 999px;
    background: rgba(24, 75, 88, 0.08);
    color: var(--teal-700);
    font-size: 0.82rem;
    font-weight: 700;
    white-space: nowrap;
}

.questionnaire-fab {
    position: absolute;
    top: var(--page-pad);
    left: 50%;
    z-index: 12;
    transform: translateX(-50%);
    min-width: 180px;
    padding: 0.95rem 1.35rem;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--teal-700), var(--teal-500));
    color: #f8fbfb;
    font-size: 0.98rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    box-shadow: 0 20px 36px rgba(24, 75, 88, 0.28);
    cursor: pointer;
}

.questionnaire-fab:hover {
    transform: translate(-50%, -2px);
}

.questionnaire-modal {
    position: fixed;
    inset: 0;
    z-index: 40;
}

.questionnaire-modal__backdrop {
    position: absolute;
    inset: 0;
    border: 0;
    background: rgba(15, 23, 28, 0.42);
}

.questionnaire-modal__dialog {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(860px, calc(100vw - 32px));
    max-height: calc(100vh - 32px);
    transform: translate(-50%, -50%);
    padding: 20px;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: 16px;
    overflow: hidden;
}

.questionnaire-modal__head,
.questionnaire-modal__footer {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.questionnaire-modal__body {
    min-height: 0;
    overflow: auto;
    display: grid;
    gap: 14px;
    padding-right: 4px;
}

.questionnaire-modal__intro {
    padding: 1rem 1.05rem;
    min-block-size: 4.5rem;
    max-block-size: min(34vh, 20rem);
    min-width: 0;
    overflow: auto;
    border-radius: 18px;
    border: 1px solid rgba(23, 36, 43, 0.08);
    background: rgba(255, 255, 255, 0.7);
}

.questionnaire-modal__stats {
    padding: 0.82rem 1rem;
    border-radius: 16px;
    border: 1px solid rgba(23, 36, 43, 0.08);
    background: rgba(255, 255, 255, 0.78);
}

.questionnaire-modal__form {
    display: grid;
    gap: 12px;
}

.questionnaire-modal__message {
    margin: 0;
    color: var(--ink-700);
    line-height: 1.6;
}

.inline-field {
    display: grid;
    grid-template-columns: max-content minmax(0, 1fr);
    align-items: center;
    gap: 0.6rem;
}

.inline-field__label,
.field__label {
    font-weight: 700;
}

.field {
    display: grid;
    gap: 0.7rem;
}

.field__label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

.field__hint {
    color: var(--ink-500);
    font-size: 0.92rem;
}

.upload-form input[type="text"] {
    inline-size: 100%;
    padding: 0.88rem 1rem;
    border-radius: 16px;
    border: 1px solid var(--line-soft);
    background: rgba(255, 255, 255, 0.84);
    color: var(--ink-900);
    outline: none;
    transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.upload-form input[type="text"]:focus {
    border-color: rgba(24, 75, 88, 0.42);
    box-shadow: 0 0 0 4px rgba(24, 75, 88, 0.1);
    transform: translateY(-1px);
}

.dropzone {
    min-block-size: clamp(96px, 12vh, 118px);
    padding: 0.88rem 1rem;
    display: grid;
    place-items: center;
    gap: 0.3rem;
    text-align: center;
    border-radius: 20px;
    border: 1.5px dashed rgba(24, 75, 88, 0.22);
    background:
        radial-gradient(circle at top, rgba(203, 122, 21, 0.12), transparent 48%),
        rgba(255, 255, 255, 0.56);
    cursor: pointer;
    transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.dropzone:hover,
.dropzone.is-dragging {
    transform: translateY(-2px);
    border-color: rgba(24, 75, 88, 0.46);
    box-shadow: inset 0 0 0 1px rgba(24, 75, 88, 0.08);
    background:
        radial-gradient(circle at top, rgba(203, 122, 21, 0.18), transparent 52%),
        rgba(255, 255, 255, 0.72);
}

.dropzone strong {
    font-size: clamp(1rem, 1.2vw, 1.1rem);
}

.dropzone span:last-child {
    max-inline-size: 26rem;
    color: var(--ink-500);
    font-size: 0.92rem;
}

.file-status,
.result-panel {
    padding: 0.9rem 1rem;
    border-radius: 18px;
    border: 1px solid rgba(23, 36, 43, 0.08);
    background: rgba(255, 255, 255, 0.66);
}

.file-status {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    gap: 0.75rem;
    min-block-size: 0;
}

.file-status__head {
    display: grid;
    gap: 0.28rem;
}

.file-status[data-state="match"] .file-status__head,
.file-status[data-state="mismatch"] .file-status__head,
.file-status[data-state="warning"] .file-status__head {
    display: none;
}

.file-status__title,
.result-panel__title,
.empty-state__title {
    margin: 0;
    font-weight: 700;
}

.file-status__detail,
.result-panel__message,
.empty-state__body {
    margin: 0;
}

.file-status__list {
    min-block-size: 0;
    overflow: auto;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    scrollbar-width: none;
}

.file-status__list::-webkit-scrollbar {
    inline-size: 0;
}

.file-status__item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.8rem;
    padding: 0.78rem 0.95rem;
    border-radius: 16px;
    border: 1px solid rgba(23, 36, 43, 0.08);
    background: rgba(255, 255, 255, 0.76);
}

.file-status__item-name {
    margin: 0;
    min-inline-size: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 700;
}

.file-status__item-state {
    padding: 0.34rem 0.7rem;
    border-radius: 999px;
    font-size: 0.84rem;
    font-weight: 700;
}

.file-status__item--ready {
    border-color: rgba(31, 103, 117, 0.14);
}

.file-status__item--success {
    border-color: rgba(31, 122, 77, 0.18);
    background: rgba(31, 122, 77, 0.06);
}

.file-status__item--warning {
    border-color: rgba(203, 122, 21, 0.2);
    background: rgba(221, 147, 50, 0.08);
}

.file-status__item--error {
    border-color: rgba(178, 67, 53, 0.18);
    background: rgba(178, 67, 53, 0.06);
}

.file-status__item-state--ready {
    color: var(--teal-600);
    background: rgba(31, 103, 117, 0.12);
}

.file-status__item-state--success {
    color: var(--success-600);
    background: rgba(31, 122, 77, 0.12);
}

.file-status__item-state--warning {
    color: #8b5413;
    background: rgba(221, 147, 50, 0.16);
}

.file-status__item-state--error {
    color: var(--danger-600);
    background: rgba(178, 67, 53, 0.12);
}

.file-status[data-state="match"] {
    border-color: rgba(31, 122, 77, 0.22);
    background: rgba(31, 122, 77, 0.08);
}

.file-status[data-state="mismatch"] {
    border-color: rgba(178, 67, 53, 0.2);
    background: rgba(178, 67, 53, 0.08);
}

.file-status[data-state="warning"] {
    border-color: rgba(203, 122, 21, 0.24);
    background: rgba(221, 147, 50, 0.09);
}

.button {
    appearance: none;
    border: 0;
    border-radius: 16px;
    padding: 0.88rem 1.15rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.button:hover:not(:disabled) {
    transform: translateY(-1px);
}

.button:disabled {
    opacity: 0.64;
    cursor: progress;
}

.button--primary {
    color: #f8fbfb;
    background: linear-gradient(135deg, var(--teal-700), var(--teal-600));
    box-shadow: 0 14px 24px rgba(24, 75, 88, 0.18);
}

.button--ghost {
    color: var(--ink-900);
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid rgba(23, 36, 43, 0.08);
}

.result-panel {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.55rem 0.9rem;
}

.result-panel[data-state="success"] {
    border-color: rgba(31, 122, 77, 0.22);
    background: rgba(31, 122, 77, 0.09);
}

.result-panel[data-state="warning"] {
    border-color: rgba(203, 122, 21, 0.24);
    background: rgba(221, 147, 50, 0.08);
}

.result-panel[data-state="error"] {
    border-color: rgba(178, 67, 53, 0.24);
    background: rgba(178, 67, 53, 0.08);
}

.result-panel__mark {
    inline-size: 0.95rem;
    block-size: 0.95rem;
    margin-block-start: 0.25rem;
    border-radius: 999px;
    background: var(--ink-500);
    box-shadow: 0 0 0 6px rgba(23, 36, 43, 0.08);
}

.result-panel[data-state="success"] .result-panel__mark {
    background: var(--success-600);
    box-shadow: 0 0 0 6px rgba(31, 122, 77, 0.12);
}

.result-panel[data-state="warning"] .result-panel__mark {
    background: var(--amber-600);
    box-shadow: 0 0 0 6px rgba(221, 147, 50, 0.12);
}

.result-panel[data-state="error"] .result-panel__mark {
    background: var(--danger-600);
    box-shadow: 0 0 0 6px rgba(178, 67, 53, 0.12);
}

.result-panel__copy {
    min-inline-size: 0;
    display: grid;
    gap: 0.15rem;
}

.result-panel__message:empty,
.result-panel__summary:empty {
    display: none;
}

.result-panel__summary {
    margin: 0;
    grid-column: 2 / 4;
    color: var(--ink-700);
}

.result-panel__badges {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.45rem;
}

.result-panel__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    inline-size: 100%;
    min-inline-size: 0;
    padding: 0.35rem 0.68rem;
    border-radius: 999px;
    font-size: 0.82rem;
    border: 1px solid rgba(23, 36, 43, 0.08);
    background: rgba(255, 255, 255, 0.78);
}

.result-panel__badge-label {
    color: var(--ink-500);
}

.result-panel__badge--success {
    color: var(--success-600);
    background: rgba(31, 122, 77, 0.12);
}

.result-panel__badge--warning {
    color: #8b5413;
    background: rgba(221, 147, 50, 0.16);
}

.result-panel__badge--danger {
    color: var(--danger-600);
    background: rgba(178, 67, 53, 0.12);
}

.side-tabs {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.side-tabs__button {
    appearance: none;
    border: 0;
    padding: 0;
    background: transparent;
    color: var(--ink-500);
    font-family: var(--font-title);
    font-size: clamp(1.2rem, 1.8vw, 1.45rem);
    line-height: 1.1;
    cursor: pointer;
    transition: color 160ms ease, opacity 160ms ease;
}

.side-tabs__button:hover {
    color: var(--teal-600);
}

.side-tabs__button.is-active {
    color: var(--ink-900);
}

.side-tabs__divider {
    color: var(--ink-500);
    font-family: var(--font-title);
    font-size: clamp(1.1rem, 1.7vw, 1.35rem);
    line-height: 1;
}

.side-panel {
    min-block-size: 0;
}

.leaderboard {
    display: grid;
    gap: 0.75rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.leaderboard__item {
    position: relative;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 0.85rem 1rem;
    align-items: center;
    padding: 0.82rem 1rem;
    border-radius: 20px;
    border: 1px solid rgba(23, 36, 43, 0.08);
    background: rgba(255, 255, 255, 0.74);
    overflow: hidden;
}

.leaderboard__item::before {
    content: "";
    position: absolute;
    inset: auto auto 0 0;
    inline-size: 100%;
    block-size: 2px;
    background: linear-gradient(90deg, rgba(31, 103, 117, 0.4), transparent);
}

.leaderboard__item[data-rank="1"] {
    background: linear-gradient(135deg, rgba(221, 147, 50, 0.14), rgba(255, 255, 255, 0.84));
}

.leaderboard__item[data-rank="2"],
.leaderboard__item[data-rank="3"] {
    background: linear-gradient(135deg, rgba(31, 103, 117, 0.08), rgba(255, 255, 255, 0.82));
}

.leaderboard__rank {
    display: grid;
    place-items: center;
    inline-size: 2.7rem;
    block-size: 2.7rem;
    border-radius: 999px;
    background: rgba(24, 75, 88, 0.08);
    font-family: var(--font-title);
    font-size: 1.18rem;
    font-weight: 700;
}

.leaderboard__copy {
    min-inline-size: 0;
}

.leaderboard__name {
    display: block;
    font-size: 1rem;
    overflow-wrap: anywhere;
}

.leaderboard__side {
    display: grid;
    gap: 0.2rem;
    justify-items: end;
    align-content: center;
    text-align: right;
}

.leaderboard__meta {
    margin: 0;
    color: var(--ink-500);
    font-size: 0.8rem;
    line-height: 1.25;
    white-space: nowrap;
}

.markdown-card {
    display: grid;
    grid-template-rows: minmax(0, 1fr);
    min-block-size: 100%;
    max-block-size: 100%;
    min-inline-size: 0;
    max-inline-size: 100%;
    overflow: hidden;
    position: relative;
}

.markdown-card__head {
    position: absolute;
    top: -2px;
    right: 18px;
    z-index: 3;
    pointer-events: none;
}

.markdown-card__head h3 {
    font-size: clamp(1.2rem, 1.8vw, 1.5rem);
}

.tutorial-overlay {
    display: grid;
    gap: 0.55rem;
    min-width: 0;
    inline-size: fit-content;
    max-width: none;
    justify-items: end;
    pointer-events: auto;
}

.tutorial-overlay.is-minimized {
    gap: 0;
}

.tutorial-overlay__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.55rem;
    padding: 0.38rem 0.42rem 0.38rem 0.7rem;
    border-radius: 999px;
    border: 1px solid rgba(23, 36, 43, 0.08);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 10px 20px rgba(16, 35, 45, 0.1);
    backdrop-filter: blur(14px);
}

.tutorial-overlay__title {
    color: var(--ink-800);
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.tutorial-overlay__body {
    display: grid;
    gap: 0.6rem;
    inline-size: max-content;
    max-inline-size: none;
    padding: 0.7rem 0.8rem 0.8rem;
    border-radius: 20px;
    border: 1px solid rgba(23, 36, 43, 0.08);
    background: rgba(255, 255, 255, 0.84);
    box-shadow: 0 14px 28px rgba(16, 35, 45, 0.1);
    backdrop-filter: blur(14px);
    justify-items: stretch;
}

.tutorial-overlay__meta {
    justify-self: end;
    text-align: right;
    max-inline-size: 100%;
}

.tutorial-overlay.is-minimized .tutorial-overlay__body {
    display: none;
}

.tutorial-overlay__toggle {
    appearance: none;
    border: 1px solid var(--line-soft);
    inline-size: 1.95rem;
    block-size: 1.95rem;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--ink-800);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 6px 14px rgba(16, 35, 45, 0.08);
}

.tutorial-overlay__toggle:hover {
    background: rgba(31, 103, 117, 0.08);
    border-color: rgba(24, 75, 88, 0.22);
}

.tutorial-nav {
    display: grid;
    gap: 0.45rem;
    inline-size: 100%;
    max-inline-size: 100%;
    justify-self: stretch;
    justify-items: stretch;
    min-width: 0;
}

.tutorial-nav__label {
    margin: 0;
    color: var(--ink-500);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tutorial-nav__links {
    display: grid;
    gap: 0.45rem;
    inline-size: 100%;
    max-width: 100%;
}

.tutorial-nav__button {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    border: 1px solid var(--line-soft);
    border-radius: 999px;
    padding: 0.34rem 0.7rem;
    background: rgba(255, 255, 255, 0.78);
    color: var(--ink-800);
    font-size: 0.84rem;
    font-weight: 700;
    inline-size: 100%;
    white-space: nowrap;
    cursor: pointer;
    transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.tutorial-nav__button:hover {
    transform: translateY(-1px);
    border-color: rgba(24, 75, 88, 0.22);
    background: rgba(31, 103, 117, 0.08);
}

.markdown-content {
    min-inline-size: 0;
    min-block-size: 0;
    max-inline-size: 100%;
    max-block-size: 100%;
    overflow: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(23, 36, 43, 0.18) transparent;
    overflow-wrap: normal;
    word-break: normal;
}

.markdown-content::-webkit-scrollbar {
    width: 0;
    height: 8px;
}

.markdown-content::-webkit-scrollbar-thumb:horizontal {
    border-radius: 999px;
    background: rgba(23, 36, 43, 0.18);
}

.markdown-content > :first-child {
    margin-top: 0;
}

.markdown-content > :last-child {
    margin-bottom: 0;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4 {
    margin: 1.2rem 0 0.65rem;
    color: var(--ink-900);
    font-family: var(--font-title);
    line-height: 1.2;
}

.markdown-content p,
.markdown-content ul,
.markdown-content ol,
.markdown-content pre,
.markdown-content blockquote,
.markdown-content table {
    margin: 0 0 0.9rem;
}

.markdown-content ul,
.markdown-content ol {
    padding-left: 1.35rem;
}

.markdown-content img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0 0 0.9rem;
    border-radius: 18px;
    box-shadow: 0 14px 28px rgba(16, 35, 45, 0.08);
}

.markdown-content code {
    font-family: var(--font-mono);
    font-size: 0.92em;
    padding: 0.12rem 0.32rem;
    border-radius: 8px;
    background: rgba(23, 36, 43, 0.08);
}

.markdown-content pre {
    overflow: auto;
    max-inline-size: 100%;
    padding: 0.95rem 1rem;
    border-radius: var(--radius-md);
    background: rgba(23, 36, 43, 0.08);
    scrollbar-width: thin;
    scrollbar-color: rgba(23, 36, 43, 0.22) transparent;
}

.markdown-content pre::-webkit-scrollbar {
    width: 0;
    height: 8px;
}

.markdown-content pre::-webkit-scrollbar-thumb:horizontal {
    border-radius: 999px;
    background: rgba(23, 36, 43, 0.22);
}

.markdown-content pre code {
    padding: 0;
    background: transparent;
}

.markdown-content blockquote {
    padding-left: 1rem;
    border-left: 3px solid rgba(24, 75, 88, 0.22);
    color: var(--ink-500);
}

.markdown-content table {
    max-inline-size: 100%;
    width: max-content;
    border-collapse: collapse;
}

.markdown-content th,
.markdown-content td {
    padding: 0.65rem 0.75rem;
    border: 1px solid rgba(23, 36, 43, 0.1);
    text-align: left;
}

.empty-state {
    display: grid;
    place-items: center;
    gap: 0.45rem;
    min-block-size: 100%;
    padding: 1rem;
    border-radius: 20px;
    border: 1px dashed rgba(23, 36, 43, 0.14);
    text-align: center;
    background: rgba(255, 255, 255, 0.5);
}

@keyframes panel-rise {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 980px) {
    .page-shell {
        block-size: auto;
        overflow: visible;
    }

    .workspace,
    .workspace--with-notice,
    .workspace--without-notice {
        min-height: auto;
        block-size: auto;
        max-block-size: none;
        grid-template-columns: 1fr;
        grid-template-areas:
            "title"
            "notice"
            "upload"
            "side";
        grid-template-rows: auto;
    }

    .workspace--without-notice {
        grid-template-areas:
            "title"
            "upload"
            "side";
    }

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

    .title-card,
    .panel--notice {
        block-size: auto;
    }

    .title-card {
        min-block-size: 0;
    }

    .title-card__layout,
    .title-card__layout > :first-child {
        min-block-size: 0;
    }
}

@media (max-width: 760px) {
    :root {
        --page-pad: 12px;
        --panel-pad: 16px;
        --gap: 12px;
    }

    .title-card__layout {
        display: grid;
        grid-template-columns: 1fr;
        align-items: start;
    }

    .title-card__layout > :first-child {
        min-block-size: 0;
    }

    .title-card__heading {
        position: static;
        padding: 0;
        transform: none;
        pointer-events: auto;
    }

    .title-card__nav {
        position: static;
        inset: auto;
    }

    .title-card__heading h1 {
        text-align: left;
    }

    .title-card__chips {
        position: static;
        inline-size: auto;
        margin-top: 0.9rem;
    }

    .title-card__chips,
    .panel__actions,
    .panel__head,
    .markdown-card__head {
        flex-wrap: wrap;
    }

    .tutorial-overlay {
        inline-size: fit-content;
        max-width: 100%;
    }

    .tutorial-overlay,
    .tutorial-nav {
        justify-items: start;
    }

    .tutorial-overlay__head {
        justify-content: space-between;
    }

    .tutorial-overlay__body {
        inline-size: max-content;
        max-inline-size: min(calc(100vw - 64px), calc(100% - 4px));
    }

    .tutorial-nav__links {
        max-width: none;
    }

    .inline-field {
        grid-template-columns: 1fr;
        align-items: start;
        gap: 0.45rem;
    }

    .result-panel {
        grid-template-columns: auto 1fr;
        align-items: flex-start;
    }

    .result-panel__badges {
        grid-column: 2;
        grid-template-columns: 1fr;
    }

    .result-panel__summary {
        grid-column: 2;
    }

    .file-status__item {
        align-items: start;
    }

    .file-status__item-name {
        white-space: normal;
    }

    .leaderboard__item {
        grid-template-columns: auto minmax(0, 1fr);
        align-items: start;
    }

    .leaderboard__side {
        grid-column: 2;
        justify-items: start;
        text-align: left;
    }

    .leaderboard__meta {
        white-space: normal;
    }
}