/* Tools hub + panels + cheatsheet */

.atelier-tools-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.atelier-tools-filter__btn {
    border: 1px solid var(--bs-border-color, #e5e7eb);
    background: var(--surface-color, #fff);
    color: var(--text-color, #2d3436);
    border-radius: 999px;
    padding: 0.35rem 0.9rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.atelier-tools-filter__btn.is-active,
.atelier-tools-filter__btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.atelier-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.atelier-tools-card {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 1.1rem 1.15rem;
    border-radius: 16px;
    background: var(--card-bg, #fff);
    border: 1px solid color-mix(in srgb, var(--primary-color) 12%, rgba(15, 23, 42, 0.08));
    text-decoration: none !important;
    color: inherit;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.atelier-tools-card:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--primary-color) 40%, transparent);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
    color: inherit;
}

.atelier-tools-card__icon {
    font-size: 1.35rem;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.atelier-tools-card__title {
    font-weight: 700;
    font-size: 1.05rem;
}

.atelier-tools-card__summary {
    color: var(--gray-600, #4b5563);
    font-size: 0.9rem;
    line-height: 1.5;
}

.atelier-tools-back {
    font-weight: 600;
    text-decoration: none;
}

.atelier-tool-panel__head {
    margin-bottom: 1.25rem;
}

.atelier-tool-panel__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.85rem;
    margin-bottom: 1rem;
}

.atelier-tool-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.atelier-tool-field__row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.atelier-tool-field__row input[type="color"] {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border: none;
    background: transparent;
}

.atelier-tool-preview {
    border-radius: 12px;
    padding: 1.25rem;
    margin: 1rem 0;
    border: 1px solid var(--bs-border-color, #e5e7eb);
}

.atelier-tool-preview--card {
    max-width: 280px;
    background: #fff;
    text-align: center;
    font-weight: 600;
}

.atelier-tool-swatch {
    width: 100%;
    height: 72px;
    border-radius: 12px;
    margin: 1rem 0;
    border: 1px solid var(--bs-border-color, #e5e7eb);
}

.atelier-tool-result {
    padding: 0.9rem 1rem;
    border-radius: 12px;
    background: var(--gray-50, #f9fafb);
    margin: 0.75rem 0 1rem;
    line-height: 1.6;
}

.atelier-tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.atelier-tool-textarea {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.875rem;
}

.atelier-tool-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 992px) {
    .atelier-tool-split {
        grid-template-columns: 1fr 1fr;
    }
}

.atelier-tool-md-preview {
    min-height: 240px;
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--bs-border-color, #e5e7eb);
    background: var(--surface-color, #fff);
}

.atelier-tool-code {
    position: relative;
    padding: 1rem 3rem 1rem 1rem;
    border-radius: 12px;
    background: #0f172a;
    color: #e2e8f0;
    overflow: auto;
}

.atelier-tool-code code {
    color: inherit;
    white-space: pre-wrap;
}

.atelier-copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    border: none;
    border-radius: 999px;
    padding: 0.2rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.atelier-copy-btn:hover {
    background: rgba(255, 255, 255, 0.22);
}

.atelier-tool-subscribe {
    margin-top: 1.5rem;
    padding: 1.1rem 1.2rem;
    border-radius: 16px;
    background: color-mix(in srgb, var(--primary-color) 10%, #fff);
    border: 1px solid color-mix(in srgb, var(--primary-color) 22%, transparent);
}

.atelier-lead-card {
    padding: 1.1rem;
    border-radius: 16px;
    background: var(--card-bg, #fff);
    border: 1px solid var(--bs-border-color, #e5e7eb);
}

.atelier-lead-form {
    max-width: 480px;
}

/* Cheatsheet widget */
.widget-cheatsheet .atelier-cheat-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.75rem;
}

.widget-cheatsheet .atelier-cheat-tabs button {
    border: 1px solid var(--bs-border-color, #e5e7eb);
    background: transparent;
    border-radius: 999px;
    padding: 0.2rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.widget-cheatsheet .atelier-cheat-tabs button.is-active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.atelier-cheat-item {
    border: 1px solid var(--bs-border-color, #e5e7eb);
    border-radius: 12px;
    padding: 0.75rem;
    margin-bottom: 0.65rem;
    background: var(--surface-muted, #fafafa);
}

.atelier-cheat-item__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
}

.atelier-cheat-item__title {
    font-size: 0.875rem;
    font-weight: 700;
    margin: 0;
}

.atelier-cheat-fav {
    border: none;
    background: transparent;
    color: var(--gray-500, #9ca3af);
    font-size: 1rem;
    line-height: 1;
    padding: 0;
}

.atelier-cheat-fav.is-active {
    color: var(--accent-color, #f59e0b);
}

.atelier-cheat-item pre {
    margin: 0;
    position: relative;
    padding: 0.65rem 2.5rem 0.65rem 0.65rem;
    border-radius: 8px;
    background: #111827;
    color: #e5e7eb;
    font-size: 0.75rem;
}

.atelier-cheat-item .atelier-copy-btn {
    top: 0.35rem;
    right: 0.35rem;
}

.atelier-cheat-item__note {
    margin: 0.35rem 0 0;
    font-size: 0.75rem;
    color: var(--gray-600, #4b5563);
}

html.dark-mode-active .atelier-tools-card,
html.dark-mode-active .atelier-lead-card,
html.dark-mode-active .atelier-cheat-item,
html.dark-mode-active .atelier-tool-md-preview {
    background: var(--card-bg);
}

html.dark-mode-active .atelier-tool-result {
    background: color-mix(in srgb, var(--dark-background-color) 90%, #fff 10%);
}

html.dark-mode-active .atelier-tool-subscribe {
    background: color-mix(in srgb, var(--primary-color) 18%, var(--card-bg));
}

.atelier-palette-swatches {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
    gap: 0.5rem;
    margin-top: 1rem;
}

.atelier-palette-swatch {
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 12px;
    min-height: 72px;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
    cursor: pointer;
    text-align: left;
}

.atelier-palette-swatch code {
    font-size: 0.7rem;
    color: inherit;
}

.atelier-tool-preview--gradient {
    min-height: 140px;
    border-radius: 16px;
}

.atelier-serp-preview {
    margin-top: 1rem;
    padding: 1rem 1.1rem;
    border-radius: 12px;
    background: #fff;
    border: 1px solid var(--bs-border-color, #e5e7eb);
    max-width: 600px;
}

.atelier-serp-preview__title {
    color: #1a0dab;
    font-size: 1.125rem;
    line-height: 1.3;
    margin-bottom: 0.15rem;
}

.atelier-serp-preview__url {
    color: #006621;
    font-size: 0.875rem;
    margin-bottom: 0.2rem;
}

.atelier-serp-preview__desc {
    color: #545454;
    font-size: 0.875rem;
    line-height: 1.45;
}

.atelier-tool-code mark {
    background: color-mix(in srgb, var(--accent-color, #f59e0b) 55%, transparent);
    color: inherit;
    border-radius: 2px;
    padding: 0 0.1em;
}

html.dark-mode-active .atelier-serp-preview {
    background: var(--card-bg);
}

html.dark-mode-active .atelier-serp-preview__title {
    color: #8ab4f8;
}

html.dark-mode-active .atelier-serp-preview__url {
    color: #81c995;
}

html.dark-mode-active .atelier-serp-preview__desc {
    color: var(--gray-600, #9ca3af);
}

.atelier-tool-preview--filter {
    min-height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.atelier-filter-sample {
    width: 180px;
    height: 100px;
    border-radius: 12px;
    background:
        linear-gradient(135deg, #3b82f6, #ec4899),
        radial-gradient(circle at 30% 30%, #fbbf24, transparent 50%);
    background-blend-mode: multiply;
}

.atelier-tool-preview--glass-bg {
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background:
        radial-gradient(circle at 20% 30%, #60a5fa, transparent 40%),
        radial-gradient(circle at 80% 70%, #f472b6, transparent 40%),
        linear-gradient(135deg, #0f172a, #1e293b);
}

.atelier-glass-card {
    min-width: 180px;
    text-align: center;
}

.atelier-type-scale__row {
    display: grid;
    grid-template-columns: 5rem 8rem 1fr;
    gap: 0.75rem;
    align-items: baseline;
    padding: 0.35rem 0;
    border-bottom: 1px solid var(--bs-border-color, #e5e7eb);
    line-height: 1.2;
}

.atelier-type-scale__row span:first-child,
.atelier-type-scale__row span:nth-child(2) {
    font-size: 0.75rem !important;
    color: var(--gray-600, #4b5563);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.atelier-spacing-bars__row {
    display: grid;
    grid-template-columns: 7rem 1fr 3.5rem;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.35rem;
    font-size: 0.8rem;
}

.atelier-spacing-bars__bar {
    height: 10px;
    border-radius: 999px;
    background: var(--primary-color);
    min-width: 2px;
}

.atelier-flex-preview {
    min-height: 160px;
}

.atelier-flex-item {
    min-width: 48px;
    min-height: 48px;
    padding: 0.65rem 0.9rem;
    border-radius: 10px;
    background: color-mix(in srgb, var(--primary-color) 18%, #fff);
    border: 1px solid color-mix(in srgb, var(--primary-color) 35%, transparent);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

html.dark-mode-active .atelier-flex-item {
    background: color-mix(in srgb, var(--primary-color) 28%, var(--card-bg));
}

.atelier-tool-result code[data-copy-value] {
    cursor: pointer;
    text-decoration: underline dotted;
}

/* Color navigation — matched to hao.uisdc.com/color layout */
.page-tools--color-nav > .theme-container,
.page-tools--color-nav > .container {
    padding-top: 1.25rem;
    padding-bottom: 2.5rem;
}

.atelier-color-nav__subnav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1.25rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.9rem;
    border-bottom: 1px solid var(--bs-border-color, var(--border-color, rgba(15, 23, 42, 0.08)));
}

.atelier-color-nav__subnav-link {
    font-size: 0.9375rem;
    color: var(--gray-600, var(--text-muted, #5a5a5a));
    text-decoration: none;
    transition: color var(--transition-speed, 0.2s) ease;
}

.atelier-color-nav__subnav-link:hover,
.atelier-color-nav__subnav-link.is-active {
    color: var(--primary-color);
    font-weight: 600;
}

.atelier-color-nav__toolbar {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.atelier-color-nav__tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    width: 100%;
}

.atelier-color-nav__tab {
    border: 1px solid var(--bs-border-color, var(--border-color, #e5e7eb));
    background: var(--surface-color, var(--card-bg, #fff));
    color: var(--text-color);
    border-radius: 999px;
    padding: 0.28rem 0.8rem;
    font-size: 0.8125rem;
    line-height: 1.3;
    white-space: nowrap;
    transition: background-color var(--transition-speed, 0.2s) ease,
        border-color var(--transition-speed, 0.2s) ease,
        color var(--transition-speed, 0.2s) ease;
}

.atelier-color-nav__tab.is-active,
.atelier-color-nav__tab:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.atelier-color-nav__loop {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -7px -14px;
    width: auto;
}

.atelier-color-nav__loop--empty {
    display: block;
    margin: 0;
}

.atelier-color-item {
    box-sizing: border-box;
    width: 20%;
    margin: 0;
    padding: 7px;
    border: 0;
    background: transparent;
    text-align: left;
    color: inherit;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    font: inherit;
    line-height: inherit;
}

.atelier-color-nav__loop--scheme .atelier-color-item {
    width: 25%;
}

.atelier-color-item__box {
    display: block;
    width: 100%;
    padding: 14px;
    background: var(--card-bg, var(--surface-color, #fff));
    border: 1px solid var(--bs-border-color, var(--border-color, transparent));
    border-radius: var(--border-radius, 10px);
    overflow: hidden;
    box-sizing: border-box;
    transition: transform var(--transition-speed, 0.2s) ease,
        box-shadow var(--transition-speed, 0.2s) ease,
        border-color var(--transition-speed, 0.2s) ease;
}

.atelier-color-item:hover .atelier-color-item__box {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--primary-color) 35%, var(--bs-border-color, transparent));
    box-shadow: var(--box-shadow-hover, 0 4px 20px rgba(0, 0, 0, 0.06));
}

.atelier-color-item__show {
    display: block;
    position: relative;
    box-sizing: border-box;
    width: 100%;
    padding-top: 54%;
    border-radius: 10px;
    background-size: cover;
    background-position: center;
    cursor: pointer;
}

.atelier-color-item__title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.35rem;
    margin: 0 0 10px;
    line-height: 20px;
    min-width: 0;
}

.atelier-color-item__title--pure {
    margin: 10px 0 0;
}

.atelier-color-item__name,
.atelier-color-item__hex,
.atelier-color-item__clr,
.atelier-color-item__bar-txt {
    font-style: normal;
    font-size: 13px;
    font-weight: 400;
    color: var(--gray-500, var(--text-muted, #8f8f8f));
    line-height: 20px;
    transition: color var(--transition-speed, 0.2s) ease,
        background-color var(--transition-speed, 0.2s) ease;
}

.atelier-color-item__name,
.atelier-color-item__hex {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.atelier-color-item__hex {
    flex-shrink: 0;
    text-transform: lowercase;
}

.atelier-color-item__label {
    display: inline-block;
    font-style: normal;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--gray-500, var(--text-muted, #9a9a9a));
    background: color-mix(in srgb, var(--primary-color) 8%, var(--gray-100, #f2f2f2));
    padding: 0.15rem 0.5rem;
    border-radius: 50px;
}

.atelier-color-item__codes {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 10px;
    font-size: 13px;
    line-height: 22px;
}

.atelier-color-item__clr {
    display: block;
    border-radius: 4px;
    padding: 0 5px;
}

.atelier-color-item:hover .atelier-color-item__clr {
    background: color-mix(in srgb, var(--primary-color) 12%, transparent);
    color: var(--primary-color);
}

.atelier-color-item__group {
    display: flex;
    width: 100%;
}

.atelier-color-item__bar {
    position: relative;
    flex: 1 1 0;
    min-width: 0;
    transition: transform var(--transition-speed, 0.2s) ease;
}

.atelier-color-item__block {
    display: block;
    width: 100%;
    padding-top: 120px;
    font-style: normal;
    transition: transform var(--transition-speed, 0.2s) ease;
}

.atelier-color-item__bar:first-child .atelier-color-item__block {
    border-radius: 10px 0 0 10px;
}

.atelier-color-item__bar:last-child .atelier-color-item__block {
    border-radius: 0 10px 10px 0;
}

.atelier-color-item__bar:only-child .atelier-color-item__block {
    border-radius: 10px;
}

.atelier-color-item__bar:hover .atelier-color-item__block {
    transform: translateY(-5px);
}

.atelier-color-item__bar-txt {
    display: block;
    text-align: center;
    margin-top: 8px;
    font-size: 12px;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-transform: lowercase;
}

.atelier-color-item__bar:hover .atelier-color-item__bar-txt {
    color: var(--primary-color);
}

.atelier-color-item:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.atelier-color-nav__detail {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: var(--border-radius, 16px);
    border: 1px solid var(--bs-border-color, var(--border-color, #e5e7eb));
    background: var(--gray-50, var(--surface-color, #f9fafb));
}

.atelier-color-nav__detail-swatch {
    min-height: 120px;
    border-radius: 8px;
    box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.1);
}

@media (max-width: 1199.98px) {
    .atelier-color-item {
        width: 25%;
    }

    .atelier-color-nav__loop--scheme .atelier-color-item {
        width: 33.3333%;
    }
}

@media (max-width: 991.98px) {
    .atelier-color-item,
    .atelier-color-nav__loop--scheme .atelier-color-item {
        width: 33.3333%;
    }
}

@media (max-width: 767.98px) {
    .atelier-color-item,
    .atelier-color-nav__loop--scheme .atelier-color-item {
        width: 50%;
    }
}

@media (max-width: 575.98px) {
    .atelier-color-nav__detail {
        grid-template-columns: 1fr;
    }

    .atelier-color-item__box {
        padding: 10px;
    }
}

html.dark-mode-active .atelier-color-nav__tab,
html.dark-mode-active .atelier-color-item__box {
    background: var(--card-bg);
}

html.dark-mode-active .atelier-color-nav__detail {
    background: color-mix(in srgb, var(--dark-background-color) 90%, #fff 10%);
}

html.dark-mode-active .atelier-color-item__name,
html.dark-mode-active .atelier-color-item__hex,
html.dark-mode-active .atelier-color-item__clr {
    color: var(--gray-500, #9ca3af);
}