:root {
    --background: hsl(144, 25%, 8%);
    --foreground: hsl(40, 20%, 95%);
    --card: hsl(144, 20%, 12%);
    --card-soft: hsl(144, 20%, 14%);
    --muted: hsl(144, 15%, 18%);
    --muted-foreground: hsl(40, 10%, 62%);
    --border: hsl(144, 15%, 20%);
    --sidebar: hsl(144, 30%, 6%);
    --primary: hsl(142, 62%, 47%);
    --primary-bright: hsl(142, 71%, 55%);
    --accent: hsl(151, 48%, 43%);
    --radius: 14px;
}

html.light {
    --background: hsl(40, 33%, 98%);
    --foreground: hsl(20, 14%, 11%);
    --card: hsl(0, 0%, 100%);
    --card-soft: hsl(138, 30%, 96%);
    --muted: hsl(40, 20%, 94%);
    --muted-foreground: hsl(20, 10%, 45%);
    --border: hsl(40, 20%, 88%);
    --sidebar: hsl(144, 30%, 12%);
    --primary: hsl(142, 71%, 42%);
    --primary-bright: hsl(142, 71%, 45%);
    --accent: hsl(151, 55%, 40%);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Inter, system-ui, sans-serif;
    background:
        radial-gradient(circle at 70% 0%, hsla(142, 71%, 55%, .08), transparent 34%),
        var(--background);
    color: var(--foreground);
    line-height: 1.65;
}

.app-shell {
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 260px;
    background: var(--sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 40;
}

.sidebar-brand {
    height: 76px;
    display: flex;
    align-items: center;
    padding: 0 18px;
    border-bottom: 1px solid var(--border);
}

.sidebar-brand img {
    height: 42px;
    width: auto;
}

.sidebar-inner {
    padding: 18px 14px;
    flex: 1;
}

.sidebar-section {
    margin-bottom: 26px;
}

.sidebar-title {
    font-size: 12px;
    color: var(--muted-foreground);
    margin: 0 0 10px;
}

.side-link {
    display: flex !important;
    align-items: center;
    gap: 12px;
    min-height: 38px;
    padding: 8px 10px;
    border-radius: 10px;
    color: var(--foreground);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.side-link i {
    width: 17px;
    height: 17px;
    color: var(--muted-foreground);
}

.side-link:hover {
    background: hsl(144, 20%, 12%);
    color: var(--foreground);
}

.side-link:hover i {
    color: var(--primary-bright);
}

.sidebar-note {
    border-top: 1px solid var(--border);
    padding: 16px 18px;
    font-size: 12px;
    color: var(--muted-foreground);
}

.sidebar-note strong,
.sidebar-note small {
    display: block;
}

/* Main */
.main-area {
    margin-left: 260px;
    min-height: 100vh;
}

/* Header */
.topbar {
    height: 66px;
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 0 34px;
    background: hsl(144 25% 8% / .88);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

html.light .topbar {
    background: hsl(40 33% 98% / .9);
}

.topbar-logo img {
    height: 38px;
    width: auto;
}

.topnav {
    display: flex;
    gap: 24px;
    flex: 1;
}

.topnav a {
    color: var(--muted-foreground);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.topnav a:hover {
    color: var(--foreground);
}

.theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--foreground);
    cursor: pointer;
}

/* Page */
main {
    max-width: 1180px;
    margin: 0 auto;
    padding: 34px 28px 58px;
}

section {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 26px;
}

.hero-section {
    padding: 46px !important;
    background:
        radial-gradient(circle at 88% 8%, hsla(142, 71%, 55%, .16), transparent 34%),
        linear-gradient(135deg, hsla(142, 71%, 55%, .10), transparent 46%),
        var(--card) !important;
    min-height: 360px;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    color: var(--muted-foreground);
    margin-bottom: 24px;
}

.hero-badges span,
.mini-note {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.hero-badges i,
.mini-note i {
    width: 16px;
    color: var(--primary-bright);
}

h1,
h2,
h3,
h4 {
    font-family: "Plus Jakarta Sans", Inter, sans-serif;
    color: var(--foreground);
}

h1 {
    max-width: 820px;
    font-size: clamp(42px, 4.6vw, 58px);
    line-height: 1.05;
    letter-spacing: -1.7px;
    margin: 0 0 18px;
}

h2 {
    font-size: 27px;
    margin: 0 0 14px;
}

h3 {
    font-size: 18px;
}

p,
li {
    color: var(--muted-foreground);
}

.highlight {
    color: var(--primary-bright);
}

.hero-text {
    max-width: 760px;
    font-size: 18px;
}

.hero-actions,
.inline-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
}

/* Buttons */
button,
main a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 39px;
    background: var(--primary);
    color: hsl(144, 30%, 8%);
    border: none;
    border-radius: 10px;
    padding: 9px 15px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}

button:hover,
main a:hover {
    background: var(--accent);
    color: hsl(144, 30%, 8%);
}

.btn-outline {
    background: transparent !important;
    color: var(--foreground) !important;
    border: 1px solid var(--border) !important;
}

/* Layout grids */
.content-grid,
.tool-grid {
    display: grid;
    gap: 20px;
}

.content-grid.two-one {
    grid-template-columns: 2fr 1fr;
}

.content-grid.three,
.tool-grid {
    grid-template-columns: repeat(3, 1fr);
}

/* Cards */
.info-card,
.feature-card,
.tool-card,
.guide-card,
.faq-card {
    background: var(--card-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
}

.info-card:hover,
.feature-card:hover,
.tool-card:hover,
.guide-card:hover,
.faq-card:hover {
    border-color: hsl(142 71% 55% / .35);
}

.card-heading {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-bottom: 14px;
}

.card-heading > i,
.feature-card > i,
.tool-icon i {
    width: 22px;
    height: 22px;
    color: var(--primary-bright);
}

.card-heading h2,
.card-heading p {
    margin: 0;
}

.feature-card {
    min-height: 145px;
}

.tool-card {
    position: relative;
    min-height: 250px;
}

.tool-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: hsla(142, 71%, 55%, .11);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.badge {
    position: absolute;
    top: 22px;
    right: 22px;
    font-size: 12px;
    color: var(--primary-bright);
    background: hsla(142, 71%, 55%, .11);
    padding: 4px 9px;
    border-radius: 999px;
}

.section-heading {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: flex-end;
    margin-bottom: 18px;
}

/* Forms */
textarea,
input,
select {
    width: 100%;
    background: hsl(144 30% 6% / .75);
    color: var(--foreground);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 13px 14px;
    font-size: 14px;
}

textarea:focus,
input:focus,
select:focus {
    outline: none;
    border-color: hsl(142 71% 55% / .55);
}

/* Footer */
.site-footer {
    background: hsl(144, 30%, 6%);
    border-top: 1px solid var(--border);
    padding: 34px;
}

.footer-grid {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 36px;
}

.footer-logo {
    height: 34px;
    width: auto;
}

.footer-grid a {
    display: block;
    color: var(--muted-foreground);
    text-decoration: none;
    margin-bottom: 7px;
    font-size: 14px;
}

.footer-grid a:hover {
    color: var(--foreground);
}

.footer-bottom {
    max-width: 1180px;
    margin: 28px auto 0;
    padding-top: 18px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    gap: 18px;
    color: var(--muted-foreground);
    font-size: 12px;
}

@media (max-width: 980px) {
    .sidebar {
        display: none;
    }

    .main-area {
        margin-left: 0;
    }

    .topbar {
        padding: 0 18px;
    }

    .topnav {
        overflow-x: auto;
        gap: 16px;
    }

    main {
        padding: 26px 16px 44px;
    }

    .content-grid.two-one,
    .content-grid.three,
    .tool-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom {
        display: block;
    }
}

.premium-hero {
    display: grid;
    grid-template-columns: 1.5fr .9fr;
    gap: 34px;
    align-items: center;
}

.hero-panel {
    display: flex;
    justify-content: center;
}

.mini-window {
    width: 100%;
    max-width: 330px;
    background: hsl(144 30% 6% / .78);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 18px;
    box-shadow: 0 24px 60px rgba(0,0,0,.24);
}

.window-dots {
    display: flex;
    gap: 6px;
    margin-bottom: 20px;
}

.window-dots span {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: hsl(142 71% 55% / .45);
}

.preview-line {
    height: 12px;
    width: 70%;
    border-radius: 999px;
    background: hsl(144 15% 20%);
    margin-bottom: 10px;
}

.preview-line.long {
    width: 100%;
}

.preview-result {
    margin-top: 18px;
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 14px;
    border-radius: 14px;
    background: hsla(142, 71%, 55%, .10);
}

.preview-result i {
    color: var(--primary-bright);
}

.preview-result strong,
.preview-result small {
    display: block;
}

.preview-result small {
    color: var(--muted-foreground);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    background: transparent;
    border: 0;
    padding: 0;
}

.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
}

.stat-card strong {
    display: block;
    font-size: 30px;
    color: var(--primary-bright);
    font-family: "Plus Jakarta Sans", Inter, sans-serif;
}

.stat-card span {
    color: var(--muted-foreground);
}

.featured-tool {
    background:
        radial-gradient(circle at top right, hsla(142, 71%, 55%, .14), transparent 38%),
        var(--card-soft);
}

.workflow-section {
    background:
        linear-gradient(135deg, hsla(142, 71%, 55%, .06), transparent 38%),
        var(--card);
}

.workflow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.workflow-grid div {
    background: var(--card-soft);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px;
}

.workflow-grid strong {
    color: var(--primary-bright);
    font-size: 13px;
}

.guide-label {
    display: inline-block;
    color: var(--primary-bright);
    background: hsla(142, 71%, 55%, .11);
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 12px;
    margin-bottom: 10px;
}

.responsible-card {
    background:
        radial-gradient(circle at 90% 10%, hsla(142, 71%, 55%, .10), transparent 30%),
        var(--card);
}

@media (max-width: 980px) {
    .premium-hero,
    .stats-grid,
    .workflow-grid {
        grid-template-columns: 1fr;
    }
}

.extractor-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(420px, .85fr);
    gap: 24px;
    align-items: start;
}

.extractor-card {
    background: var(--card-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
}

.input-card textarea {
    min-height: 560px;
    resize: vertical;
}

.options-card {
    position: sticky;
    top: 86px;
}

.options-head {
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 18px;
}

.option-section {
    border-top: 1px solid var(--border);
    padding-top: 18px;
    margin-top: 18px;
}

.option-section h3 {
    font-size: 15px;
    margin-bottom: 14px;
    color: var(--foreground);
}

.improved-switch-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 20px;
}

.switch-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    min-height: 34px;
    font-size: 14px;
    color: var(--foreground);
}

.switch-row span {
    white-space: nowrap;
}

.switch-row input[type="checkbox"] {
    width: 46px;
    height: 24px;
    appearance: none;
    background: hsl(144 15% 20%);
    border: 1px solid var(--border);
    border-radius: 999px;
    position: relative;
    cursor: pointer;
    flex: 0 0 auto;
}

.switch-row input[type="checkbox"]::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: hsl(144 25% 8%);
    border-radius: 50%;
    transition: transform .18s ease;
}

.switch-row input[type="checkbox"]:checked {
    background: var(--primary);
}

.switch-row input[type="checkbox"]:checked::after {
    transform: translateX(20px);
}

.form-grid {
    display: grid;
    gap: 16px;
}

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

.form-grid label,
.custom-separator-wrap label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--foreground);
}

.form-grid small {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--muted-foreground);
}

.custom-separator-wrap {
    margin-top: 16px;
}

.button-row {
    display: grid;
    grid-template-columns: 1fr 48px;
    gap: 10px;
    margin-top: 20px;
}

.full-button {
    width: 100%;
}

.reset-button {
    min-width: 48px;
    padding: 0 !important;
}

.results-section textarea {
    min-height: 220px;
}

.domain-results {
    margin-top: 24px;
}

.domain-card {
    background: var(--card-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    margin-bottom: 16px;
}

.domain-card h4 {
    display: flex;
    justify-content: space-between;
    margin-top: 0;
}

.domain-card h4 span {
    color: var(--primary-bright);
}

@media (max-width: 1180px) {
    .extractor-grid {
        grid-template-columns: 1fr;
    }

    .options-card {
        position: static;
    }
}

@media (max-width: 700px) {
    .improved-switch-grid,
    .form-grid.two,
    .button-row {
        grid-template-columns: 1fr;
    }
}

.signature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
    align-items: start;
}

.signature-card {
    background: var(--card-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
}

.form-card {
    grid-row: span 2;
}

.preview-card {
    position: sticky;
    top: 86px;
}

.platform-grid,
.template-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.platform-option,
.template-option {
    background: hsl(144 30% 6% / .55);
    color: var(--foreground);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    min-height: 72px;
}

.platform-option.active,
.template-option.active {
    background: var(--primary);
    color: hsl(144, 30%, 8%);
}

.template-preview {
    display: block;
    height: 48px;
    border-radius: 8px;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #fff, #e5e5e5);
}

.modern-preview {
    border-left: 5px solid #16a34a;
}

.corporate-preview {
    background: linear-gradient(90deg, #16a34a 35%, #ffffff 35%);
}

.minimal-preview {
    background: #ffffff;
    border-left: 3px solid #16a34a;
}

.boxed-preview {
    background: #f3f4f6;
    border: 1px solid #d1d5db;
}

.preview-wrapper {
    background: #ffffff;
    border-radius: 14px;
    padding: 22px;
    overflow-x: auto;
    margin-bottom: 18px;
}

.signature-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.help-box {
    background: hsl(144 30% 6% / .45);
    border-radius: 14px;
    padding: 16px;
    margin-top: 16px;
}

@media (max-width: 1100px) {
    .signature-grid {
        grid-template-columns: 1fr;
    }

    .preview-card {
        position: static;
    }

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

.domain-table {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.domain-table-row {
    display: grid;
    grid-template-columns: 1.4fr 1.2fr .4fr;
    gap: 14px;
    padding: 13px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--muted-foreground);
}

.domain-table-row:last-child {
    border-bottom: none;
}

.domain-table-head {
    background: hsl(144 30% 6% / .55);
    color: var(--foreground);
    font-weight: 700;
}

.domain-card-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 12px;
}

.domain-card-head h3,
.domain-card-head p {
    margin: 0;
}

@media (max-width: 700px) {
    .domain-table-row {
        grid-template-columns: 1fr;
    }

    .domain-card-head {
        display: block;
    }
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.blog-card {
    background: var(--card-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    min-height: 240px;
}

.blog-card h3 a {
    color: var(--foreground);
    text-decoration: none;
}

.blog-card h3 a:hover {
    color: var(--primary-bright);
}

.read-more {
    margin-top: 12px;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 24px;
    align-items: start;
}

.article-content {
    background: var(--card-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    color: var(--muted-foreground);
    font-size: 17px;
    line-height: 1.9;
}

.article-sidebar {
    position: sticky;
    top: 86px;
    display: grid;
    gap: 18px;
}

.sidebar-box {
    background: var(--card-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.sidebar-box a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--muted-foreground);
    background: transparent;
    padding: 9px 0;
    text-decoration: none;
}

.sidebar-box a:hover {
    color: var(--primary-bright);
}

.sidebar-box i {
    width: 17px;
    height: 17px;
}

@media (max-width: 980px) {
    .blog-grid,
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        position: static;
    }
}