:root {
    --tm-accent: #55c7f5;
    --tm-accent-2: #c084fc;
    --accent: var(--tm-accent);
    --accent-strong: #38bdf8;
    --line: var(--tm-border);
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background: var(--tm-bg);
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
}

a {
    color: inherit;
}

code {
    padding: 0.12rem 0.35rem;
    border: 1px solid var(--line);
    border-radius: 0.45rem;
    background: rgba(255, 255, 255, 0.06);
    color: #d7f3ff;
}

.site-header,
.site-footer,
.page {
    width: var(--tm-page);
    margin-inline: auto;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.1rem 0;
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(16px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.brand-icon {
    display: grid;
    place-items: center;
    width: 2.65rem;
    height: 2.65rem;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--tm-accent), var(--tm-accent-2));
    color: #071019;
    font-weight: 900;
    box-shadow: var(--shadow);
}

.brand strong,
.brand small {
    display: block;
}

.brand small {
    color: var(--muted);
    margin-top: 0.1rem;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.subsite-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0 0 1rem;
}

.subsite-nav a {
    text-decoration: none;
    border-radius: 999px;
    border: 1px solid var(--line);
    padding: 0.65rem 0.9rem;
    color: var(--muted);
    background: rgba(255, 255, 255, 0.04);
    font-weight: 800;
}

.subsite-nav a:hover,
.subsite-nav a.active {
    color: var(--text);
    border-color: rgba(125, 211, 252, 0.55);
    background: rgba(125, 211, 252, 0.1);
}

.main-nav a,
.button {
    text-decoration: none;
    border-radius: 999px;
    border: 1px solid var(--line);
    padding: 0.7rem 1rem;
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
    font: inherit;
    transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.main-nav a:hover,
.main-nav a.active,
.button:hover,
.footer-link:hover {
    transform: translateY(-1px);
    border-color: rgba(125, 211, 252, 0.55);
    background: rgba(125, 211, 252, 0.1);
}

.button.primary {
    border-color: transparent;
    color: #06111a;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    font-weight: 800;
}

.button.secondary {
    background: rgba(255, 255, 255, 0.06);
}

.button.ghost,
.main-nav a.toolbox-link {
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.025);
    color: var(--muted);
}

.footer-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 700;
}

.button.small {
    padding: 0.52rem 0.85rem;
    font-size: 0.92rem;
}

.page {
    padding: 1rem 0 4rem;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 19rem;
    gap: 1.4rem;
    align-items: stretch;
    margin-top: 1rem;
}

.hero-content,
.card,
.settings-category,
.download-bar,
.empty-state,
.challenge-card {
    border: 1px solid var(--line);
    border-radius: var(--tm-radius-card);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.035));
    box-shadow: var(--shadow);
}

.hero-content {
    padding: clamp(1.5rem, 4vw, 3.5rem);
}

.hero h1,
.section-header h1 {
    margin: 0;
    line-height: 1.02;
    letter-spacing: 0;
    font-size: clamp(2.25rem, 6vw, 4.8rem);
}

.hero p,
.section-header p,
.card p,
.empty-state p,
.challenge-card p {
    color: var(--muted);
    line-height: 1.65;
}

.eyebrow {
    margin: 0 0 0.75rem;
    color: var(--accent) !important;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.78rem;
}

.hero-actions,
.card-actions,
.toolbar-actions {
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
    align-items: center;
}

.stats-card {
    display: grid;
    align-content: center;
    gap: 0.25rem;
    padding: 2rem;
    border-radius: var(--tm-radius-card);
    background: linear-gradient(150deg, rgba(125, 211, 252, 0.2), rgba(192, 132, 252, 0.12));
    border: 1px solid rgba(125, 211, 252, 0.22);
    box-shadow: var(--shadow);
}

.stats-card span {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1;
}

.stats-card strong {
    margin-bottom: 1.5rem;
    color: var(--muted);
}

.grid.two-columns {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin: 1rem 0 2rem;
}

.card,
.empty-state {
    padding: 1.25rem;
}

.card h2,
.empty-state h2,
.empty-state h3,
.challenge-card h2,
.challenge-card h3 {
    margin-top: 0;
}

.filter-empty {
    margin-top: 1rem;
}

.text-link {
    color: var(--accent);
    font-weight: 800;
    text-decoration: none;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
    margin: 2rem 0 1rem;
}

.section-header h2 {
    margin: 0;
    font-size: clamp(1.7rem, 3vw, 2.5rem);
    letter-spacing: 0;
}

.editor-heading {
    align-items: center;
}

.form-section h2 {
    margin-top: 0;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

label span,
.search-label span,
.challenge-tools label span {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: var(--tm-radius-control);
    padding: 0.85rem 0.95rem;
    background: rgba(4, 8, 13, 0.55);
    color: var(--text);
    font: inherit;
    outline: none;
}

input:focus,
select:focus,
textarea:focus {
    border-color: rgba(125, 211, 252, 0.8);
    box-shadow: 0 0 0 4px rgba(125, 211, 252, 0.12);
}

.settings-row-form,
.settings-limit-cell,
.settings-action-cell {
    display: grid;
    gap: 0.5rem;
}

.settings-row-form input,
.settings-row-form textarea {
    min-width: 15rem;
}

.settings-limit-cell {
    min-width: 12rem;
}

.settings-action-cell {
    min-width: 8rem;
}

.settings-action-cell form {
    margin: 0;
}

.full-label {
    display: block;
    margin-top: 1rem;
}

.toolbar,
.challenge-tools {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: end;
    margin: 1rem 0;
}

.category-overview {
    display: grid;
    gap: 1rem;
    margin: 1rem 0;
}

.category-overview h2 {
    margin: 0 0 0.35rem;
}

.category-overview p {
    margin: 0;
}

.category-chips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
    gap: 0.65rem;
}

.category-chip {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.65rem 0.85rem;
    background: rgba(255, 255, 255, 0.045);
    color: var(--text);
    font: inherit;
    cursor: pointer;
    text-align: left;
}

.category-chip:hover,
.category-chip.active {
    border-color: rgba(125, 211, 252, 0.65);
    background: rgba(125, 211, 252, 0.12);
}

.category-chip span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 750;
}

.category-chip strong {
    min-width: 2.2rem;
    padding: 0.12rem 0.45rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--accent);
    text-align: center;
}

.search-label,
.challenge-tools label {
    flex: 1 1 20rem;
}

.settings-wrapper {
    display: grid;
    gap: 1rem;
}

.settings-category {
    overflow: hidden;
}

.settings-category[hidden],
.setting-field[hidden],
.challenge-card[hidden] {
    display: none !important;
}

.settings-category summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.2rem;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.04);
    font-weight: 900;
}

.settings-category summary small {
    color: var(--muted);
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
    padding: 1rem;
}

.setting-field {
    display: grid;
    gap: 0.65rem;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--tm-radius-card);
    background: rgba(0, 0, 0, 0.14);
}

.setting-field.changed {
    border-color: rgba(134, 239, 172, 0.5);
    background: rgba(34, 197, 94, 0.08);
}

.setting-title {
    color: var(--text);
    font-weight: 850;
}

.setting-field small {
    display: block;
    margin-top: 0.35rem;
    color: var(--muted);
    line-height: 1.5;
}

.reset-field {
    justify-self: start;
    border: none;
    background: none;
    color: var(--accent);
    font: inherit;
    cursor: pointer;
    padding: 0;
}

.download-bar {
    position: sticky;
    bottom: 1rem;
    z-index: 8;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
    padding: 1rem;
    margin-top: 1rem;
    backdrop-filter: blur(18px);
}

.download-bar strong,
.download-bar span {
    display: block;
}

.download-bar span {
    color: var(--muted);
    margin-top: 0.2rem;
}

.challenge-list {
    display: grid;
    gap: 0.85rem;
}

.challenge-list.compact {
    margin-top: 1rem;
}

.challenge-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1rem;
    align-items: stretch;
    padding: 1.1rem;
}

.challenge-main {
    min-width: 0;
}

.challenge-card .card-actions {
    align-items: stretch;
    flex-direction: column;
}

.meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 0.75rem;
}

.meta-row span {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.35rem 0.6rem;
    color: var(--muted);
    background: rgba(255, 255, 255, 0.035);
    font-size: 0.9rem;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.detail-card span,
.detail-card strong {
    display: block;
}

.detail-card span {
    color: var(--muted);
    margin-bottom: 0.35rem;
}

.detail-card strong {
    font-size: 1.45rem;
}

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

.settings-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 42rem;
}

.settings-table th,
.settings-table td {
    padding: 0.8rem;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

.settings-table th {
    color: var(--muted);
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.raw-box {
    margin-top: 1rem;
}

.raw-box pre {
    max-height: 32rem;
    overflow: auto;
    padding: 1rem;
    border-radius: 1rem;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--line);
    color: #dbeafe;
    white-space: pre-wrap;
}

.site-footer {
    padding: 2rem 0;
    color: var(--muted);
    border-top: 1px solid var(--line);
}

.cookie-banner {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 100;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    width: min(380px, calc(100% - 36px));
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--tm-radius-card);
    background: rgba(24, 26, 31, 0.96);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.cookie-banner[hidden] {
    display: none;
}

.cookie-banner strong {
    display: block;
    margin-bottom: 6px;
}

.cookie-banner p {
    margin: 0;
    color: var(--muted);
    line-height: 1.5;
    font-size: 0.9rem;
}

.cookie-banner a {
    color: var(--accent);
    font-weight: 800;
}

.cookie-actions {
    display: flex;
    align-items: stretch;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

.cookie-banner .button,
.cookie-banner button {
    margin-top: 0;
    padding: 9px 12px;
}

@media (max-width: 900px) {
    .hero,
    .grid.two-columns,
    .settings-grid,
    .details-grid {
        grid-template-columns: 1fr;
    }

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

    .challenge-card,
    .toolbar,
    .challenge-tools,
    .section-header,
    .download-bar,
    .site-header {
        align-items: stretch;
        flex-direction: column;
    }

    .main-nav {
        width: 100%;
    }

    .main-nav a {
        flex: 1 1 auto;
        text-align: center;
    }

    .cookie-banner {
        grid-template-columns: 1fr;
        left: 12px;
        right: 12px;
        bottom: 12px;
        width: auto;
    }

    .cookie-actions {
        justify-content: space-between;
        flex-wrap: nowrap;
    }
}

@media (max-width: 560px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .hero h1,
    .section-header h1 {
        font-size: 2.35rem;
    }
}


.language-switch {
    display: flex;
    gap: 0.35rem;
    align-items: center;
}

.language-switch a {
    text-decoration: none;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.55rem 0.75rem;
    color: var(--muted);
    background: rgba(255, 255, 255, 0.035);
}

.language-switch a:hover,
.language-switch a.active {
    color: var(--text);
    border-color: rgba(125, 211, 252, 0.55);
    background: rgba(125, 211, 252, 0.1);
}

.site-header {
    flex-wrap: wrap;
}

@media (max-width: 780px) {
    .language-switch {
        width: 100%;
    }
}

.category-filter-panel {
    margin: 1rem 0;
}

.category-filter-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    list-style: none;
}

.category-filter-summary::-webkit-details-marker {
    display: none;
}

.category-filter-summary h2 {
    margin: 0 0 0.35rem;
}

.category-filter-summary p {
    margin: 0;
}

.summary-toggle-text {
    flex: 0 0 auto;
    color: var(--muted);
    font-size: 0.9rem;
    padding: 0.35rem 0.65rem;
    border: 1px solid var(--line);
    border-radius: 999px;
}

.category-filter-panel:not([open]) .category-chips {
    display: none;
}

.category-chips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
    gap: 0.65rem;
    margin-top: 1rem;
}