.online-tools-page {
    --ot-bg: #070a11;
    --ot-bg-soft: #0b101b;
    --ot-panel: rgba(18, 25, 40, 0.86);
    --ot-panel-hover: rgba(24, 34, 54, 0.96);
    --ot-border: rgba(148, 163, 184, 0.14);
    --ot-border-strong: rgba(96, 165, 250, 0.38);
    --ot-text: #f8fafc;
    --ot-muted: #98a5b9;
    --ot-blue: #3b82f6;
    --ot-cyan: #22d3ee;
    min-height: 100vh;
    padding-top: 76px;
    overflow: hidden;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background:
        radial-gradient(circle at 78% 6%, rgba(37, 99, 235, 0.16), transparent 28rem),
        radial-gradient(circle at 18% 38%, rgba(124, 58, 237, 0.09), transparent 26rem),
        var(--ot-bg);
    color: var(--ot-text);
}

.online-tools-page *,
.online-tools-page *::before,
.online-tools-page *::after {
    box-sizing: border-box;
}

.online-tools-page [hidden] {
    display: none !important;
}

.online-tools-shell {
    width: min(1560px, calc(100% - 40px));
    margin: 0 auto;
}

.online-tools-hero {
    position: relative;
    border-bottom: 1px solid var(--ot-border);
}

.online-tools-hero::before {
    position: absolute;
    inset: 0;
    content: '';
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(to bottom, black, transparent);
}

.online-tools-hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: center;
    padding-top: 38px;
    padding-bottom: 34px;
}

.online-tools-hero__copy {
    max-width: 896px;
    margin: 0 auto;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    text-align: center;
}

.online-tools-hero h1 {
    margin: 0;
    font-size: 60px;
    font-weight: 700;
    line-height: 1.1;
    background: linear-gradient(to right, #60a5fa, #a855f7, #ec4899);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.online-tools-hero__description {
    max-width: 730px;
    margin: 24px auto 0;
    color: #d1d5db;
    font-size: 20px;
    line-height: 1.625;
}

.online-tools-search {
    position: relative;
    display: none;
    align-items: center;
    min-height: 62px;
    margin-bottom: 4px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 16px;
    background: rgba(10, 15, 26, 0.84);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
    transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.online-tools-search:focus-within {
    border-color: rgba(96, 165, 250, 0.72);
    background: rgba(13, 20, 34, 0.96);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.11), 0 20px 52px rgba(0, 0, 0, 0.28);
}

.online-tools-search__icon {
    width: 20px;
    height: 20px;
    margin-left: 21px;
    flex: 0 0 auto;
    border: 2px solid #7f8da3;
    border-radius: 50%;
}

.online-tools-search__icon::after {
    position: absolute;
    width: 7px;
    height: 2px;
    margin-top: 15px;
    margin-left: 13px;
    content: '';
    background: #7f8da3;
    transform: rotate(45deg);
    transform-origin: left center;
}

.online-tools-search input {
    width: 100%;
    min-width: 0;
    height: 60px;
    padding: 0 50px 0 16px;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--ot-text);
    font: inherit;
    font-size: 16px;
}

.online-tools-search input::placeholder {
    color: #748197;
}

.online-tools-search input::-webkit-search-cancel-button {
    display: none;
}

.online-tools-search__clear {
    position: absolute;
    right: 12px;
    display: grid;
    width: 36px;
    height: 36px;
    place-items: center;
    border: 0;
    border-radius: 10px;
    background: rgba(148, 163, 184, 0.1);
    color: #b9c3d2;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
}

.online-tools-search__clear:hover {
    background: rgba(148, 163, 184, 0.2);
    color: #fff;
}

.online-tools-directory {
    padding: 24px 0 30px;
}

.online-tools-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 30px;
    align-items: start;
}

.online-tools-categories {
    position: sticky;
    top: 96px;
}

.online-tools-categories__list {
    display: grid;
    gap: 8px;
    padding: 10px;
    border: 1px solid var(--ot-border);
    border-radius: 18px;
    background: rgba(12, 17, 29, 0.72);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.16);
    backdrop-filter: blur(14px);
}

.online-tools-category {
    display: flex;
    gap: 12px;
    align-items: center;
    width: 100%;
    min-height: 48px;
    padding: 0 14px;
    border: 1px solid transparent;
    border-radius: 12px;
    background: transparent;
    color: #a7b2c4;
    font-size: 14px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: color 160ms ease, border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.online-tools-category:hover {
    color: #e2e8f0;
    background: rgba(148, 163, 184, 0.07);
    transform: translateX(2px);
}

.online-tools-category.is-active {
    border-color: transparent;
    background: rgba(59, 130, 246, 0.12);
    color: #60a5fa;
    box-shadow: none;
}

.online-tools-category__icon {
    display: grid;
    width: 22px;
    height: 22px;
    place-items: center;
    color: #7c8da7;
}

.online-tools-category.is-active .online-tools-category__icon {
    color: #60a5fa;
}

.online-tools-category__icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.online-tools-category__icon svg.online-tools-category-icon--large {
    width: 23px;
    height: 23px;
}

.online-tools-content {
    min-width: 0;
}

.online-tools-popular,
.online-tools-all {
    padding: 20px;
    border: 1px solid var(--ot-border);
    border-radius: 20px;
    background: rgba(10, 15, 25, 0.62);
    box-shadow: 0 18px 64px rgba(0, 0, 0, 0.16);
}

.online-tools-all {
    margin-top: 18px;
    padding: 24px;
}

.online-tools-all .online-tools-section-heading {
    margin-bottom: 18px;
}

.online-tools-all .online-tool-card {
    min-height: 118px;
    padding: 20px;
}

.online-tools-section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 14px;
}

.online-tools-section-heading h2 {
    margin: 0;
    color: #ffffff;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.online-tools-popular__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    border: 1px solid var(--ot-border);
    border-radius: 16px;
    background: var(--ot-border);
}

.online-tools-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    border: 1px solid var(--ot-border);
    border-radius: 16px;
    background: var(--ot-border);
}

.online-tool-card {
    position: relative;
    display: flex;
    gap: 16px;
    align-items: center;
    min-width: 0;
    min-height: 108px;
    padding: 18px;
    overflow: hidden;
    background: rgba(15, 21, 34, 0.98);
    color: inherit;
    text-decoration: none;
    isolation: isolate;
    transition: background 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.online-tool-card::before {
    position: absolute;
    inset: auto auto -52px -52px;
    z-index: -1;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    content: '';
    background: rgba(59, 130, 246, 0.09);
    filter: blur(25px);
    opacity: 0;
    transition: opacity 180ms ease;
}

.online-tool-card:hover {
    z-index: 2;
    background: var(--ot-panel-hover);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.2);
}

.online-tool-card:active {
    background: #090e18;
}

.online-tool-card:hover::before {
    opacity: 1;
}

.online-tools-category:focus-visible,
.online-tools-search__clear:focus-visible,
.online-tools-reset:focus-visible {
    outline: 3px solid rgba(96, 165, 250, 0.8);
    outline-offset: 2px;
}

.online-tool-card:focus {
    outline: none;
}

.online-tool-card:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.12), 0 16px 32px rgba(0, 0, 0, 0.2);
}

.online-tool-card__icon {
    display: grid;
    width: 58px;
    height: 58px;
    flex: 0 0 58px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 15px;
    color: #fff;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), 0 10px 26px rgba(0, 0, 0, 0.2);
}

.online-tool-card__icon svg {
    width: 27px;
    height: 27px;
    fill: currentColor;
}

.online-tool-card__icon--violet { background: linear-gradient(145deg, #7c3aed, #5b21b6); }
.online-tool-card__icon--blue { background: linear-gradient(145deg, #3b82f6, #1d4ed8); }
.online-tool-card__icon--coral { background: linear-gradient(145deg, #fb654c, #e33c31); }
.online-tool-card__icon--green { background: linear-gradient(145deg, #22c55e, #059669); }
.online-tool-card__icon--purple { background: linear-gradient(145deg, #8b5cf6, #6d28d9); }
.online-tool-card__icon--red { background: linear-gradient(145deg, #ef4444, #b91c1c); }
.online-tool-card__icon--lime { background: linear-gradient(145deg, #35c84a, #16922e); }
.online-tool-card__icon--cyan { background: linear-gradient(145deg, #0ea5e9, #2563eb); }
.online-tool-card__icon--indigo { background: linear-gradient(145deg, #6366f1, #4338ca); }

.online-tool-card__body {
    display: flex;
    min-width: 0;
    flex: 1;
    flex-direction: column;
    gap: 7px;
}

.online-tool-card__body strong {
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
}

.online-tool-card__body > span {
    display: -webkit-box;
    overflow: hidden;
    color: #9ca3af;
    font-size: 14px;
    line-height: 1.5;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.online-tool-card__arrow {
    flex: 0 0 auto;
    color: #4e82be;
    transition: color 180ms ease, transform 180ms ease;
}

.online-tool-card__arrow .tool-arrow {
    display: block;
    width: 21px;
    height: 21px;
    fill: currentColor;
}

.online-tool-card:hover .online-tool-card__arrow {
    color: #60a5fa;
    transform: translateX(4px);
}

.online-tool-card--popular {
    min-height: 136px;
    padding: 18px 18px 42px;
}

.online-tool-card--popular .online-tool-card__icon {
    width: 52px;
    height: 52px;
    flex-basis: 52px;
}

.online-tool-card--popular .online-tool-card__arrow {
    position: absolute;
    right: 16px;
    bottom: 14px;
    display: block;
    width: 21px;
    height: 21px;
    color: #3b82f6;
}

.online-tools-empty {
    padding: 64px 24px;
    border: 1px dashed rgba(148, 163, 184, 0.22);
    border-radius: 16px;
    text-align: center;
}

.online-tools-empty__icon {
    display: grid;
    width: 54px;
    height: 54px;
    margin: 0 auto 16px;
    place-items: center;
    border-radius: 16px;
    background: rgba(59, 130, 246, 0.13);
    color: #60a5fa;
}

.online-tools-empty__icon svg {
    width: 26px;
    height: 26px;
    fill: currentColor;
}

.online-tools-empty h3 {
    margin: 0 0 8px;
    color: #ffffff;
    font-size: 20px;
    font-weight: 700;
}

.online-tools-empty p {
    margin: 0;
    color: #9ca3af;
    font-size: 14px;
    line-height: 1.5;
}

.online-tools-reset {
    margin-top: 20px;
    padding: 10px 17px;
    border: 1px solid rgba(96, 165, 250, 0.42);
    border-radius: 10px;
    background: rgba(37, 99, 235, 0.16);
    color: #bfdbfe;
    font-weight: 600;
    cursor: pointer;
}

.online-tools-reset:hover {
    background: rgba(37, 99, 235, 0.28);
    color: #fff;
}

.online-tools-benefits {
    border-top: 1px solid var(--ot-border);
    border-bottom: 1px solid var(--ot-border);
    background: rgba(9, 13, 22, 0.88);
}

.online-tools-benefits__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.online-tools-benefit {
    display: flex;
    gap: 14px;
    align-items: center;
    min-height: 130px;
    padding: 25px 32px;
    border-right: 1px solid var(--ot-border);
}

.online-tools-benefit:first-child {
    border-left: 1px solid var(--ot-border);
}

.online-tools-benefit__icon {
    display: block;
    width: 32px;
    height: 32px;
    flex: 0 0 32px;
    fill: currentColor;
}

.online-tools-benefit__icon--blue {
    color: #0b75f8;
}

.online-tools-benefit__icon--green {
    color: #15a86b;
}

.online-tools-benefit__icon--orange {
    color: #f59b10;
}

.online-tools-benefit__icon--violet {
    color: #7751ed;
}

.online-tools-benefit h3 {
    margin: 0 0 5px;
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
}

.online-tools-benefit p {
    margin: 0;
    color: #9ca3af;
    font-size: 14px;
    line-height: 1.5;
}

@media (max-width: 1180px) {
    .online-tools-hero__inner {
        grid-template-columns: minmax(0, 1fr);
    }

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

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

    .online-tools-benefit:nth-child(odd) {
        border-left: 1px solid var(--ot-border);
    }

    .online-tools-benefit:nth-child(-n + 2) {
        border-bottom: 1px solid var(--ot-border);
    }
}

@media (max-width: 1023px) {
    .online-tools-hero h1 {
        font-size: 48px;
    }
}

@media (max-width: 820px) {
    .online-tools-page {
        padding-top: 64px;
    }

    .online-tools-shell {
        width: min(100% - 32px, 720px);
    }

    .online-tools-hero__inner {
        grid-template-columns: 1fr;
        padding-top: 32px;
        padding-bottom: 28px;
    }

    .online-tools-layout {
        display: block;
    }

    .online-tools-categories {
        position: relative;
        top: auto;
        z-index: 5;
        margin-bottom: 18px;
    }

    .online-tools-categories__list {
        display: flex;
        gap: 8px;
        overflow-x: auto;
        padding: 8px;
        scrollbar-width: none;
        scroll-snap-type: x proximity;
    }

    .online-tools-categories__list::-webkit-scrollbar {
        display: none;
    }

    .online-tools-category {
        width: auto;
        min-width: max-content;
        scroll-snap-align: start;
    }

    .online-tools-category:hover {
        transform: none;
    }

}

@media (max-width: 767px) {
    .online-tools-hero h1 {
        font-size: 30px;
    }

    .online-tools-hero__description {
        margin-top: 16px;
        font-size: 18px;
    }
}

@media (max-width: 639px) {
    .online-tools-hero h1 {
        font-size: 24px;
    }

    .online-tools-hero__description {
        font-size: 16px;
    }
}

@media (max-width: 580px) {
    .online-tools-shell {
        width: calc(100% - 24px);
    }

    .online-tools-hero__inner {
        padding-top: 28px;
        padding-bottom: 24px;
    }

    .online-tools-hero__description {
        margin-top: 16px;
    }

    .online-tools-search {
        min-height: 56px;
    }

    .online-tools-search input {
        height: 54px;
    }

    .online-tools-directory {
        padding-top: 18px;
        padding-bottom: 24px;
    }

    .online-tools-popular,
    .online-tools-all {
        padding: 14px;
        border-radius: 16px;
    }

    .online-tools-popular__grid,
    .online-tools-grid {
        grid-template-columns: 1fr;
    }

    .online-tool-card,
    .online-tool-card--popular {
        min-height: 102px;
        padding: 16px;
    }

    .online-tools-all {
        padding: 16px;
    }

    .online-tools-all .online-tools-section-heading {
        margin-bottom: 16px;
    }

    .online-tools-all .online-tool-card {
        min-height: 110px;
        padding: 18px;
    }

    .online-tool-card--popular .online-tool-card__arrow {
        display: block;
    }

    .online-tool-card--popular {
        min-height: 128px;
        padding: 16px 16px 40px;
    }

    .online-tools-section-heading {
        align-items: start;
        flex-direction: column;
        gap: 7px;
    }

    .online-tools-benefits__grid {
        grid-template-columns: 1fr;
    }

    .online-tools-benefit,
    .online-tools-benefit:first-child,
    .online-tools-benefit:nth-child(odd) {
        min-height: 104px;
        padding: 22px;
        border-right: 1px solid var(--ot-border);
        border-bottom: 1px solid var(--ot-border);
        border-left: 1px solid var(--ot-border);
    }

    .online-tools-benefit:last-child {
        border-bottom: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .online-tools-page *,
    .online-tools-page *::before,
    .online-tools-page *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}