:root {
    --comp-surface: #ffffff;
    --comp-border: #e2e8f0;
    --comp-muted: #5f6c7b;
    --comp-muted-strong: #1f2937;
    --comp-primary: #2563eb;
    --comp-primary-dark: #1e40af;
    --comp-accent: #16a34a;
    --comp-danger: #dc2626;
    --comp-info: #0ea5e9;
    --comp-radius: 24px;
    --comp-gradient: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.18), transparent 60%), radial-gradient(circle at 80% 0, rgba(14, 165, 233, 0.18), transparent 45%);
    --comp-shadow: 0 20px 80px rgba(15, 23, 42, 0.12);
}
.compression-shell {
    padding: 2rem 0;
}
.breadcrumbs {
    margin-bottom: clamp(1.25rem, 2vw, 1.75rem);
    padding: 0;
}
.breadcrumbs-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}
.breadcrumbs-item {
    display: inline-flex;
    align-items: center;
}
.breadcrumbs-separator {
    display: inline-flex;
    align-items: center;
    color: var(--comp-muted);
    opacity: 0.4;
    margin: 0 0.5rem;
    font-size: 0.875rem;
    user-select: none;
}
.breadcrumbs-link {
    color: var(--comp-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s ease;
}
.breadcrumbs-link:hover {
    color: var(--comp-primary);
}
.breadcrumbs-current {
    color: var(--comp-muted-strong);
    font-size: 0.9rem;
    font-weight: 600;
}
.hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    padding: 1rem 0 2rem;
}
.hero-card {
    background: var(--comp-surface);
    border-radius: var(--comp-radius);
    padding: clamp(1.5rem, 4vw, 3rem);
    box-shadow: var(--comp-shadow);
    position: relative;
    overflow: hidden;
}
.hero-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--comp-gradient);
    opacity: 0.5;
    pointer-events: none;
}
.hero-card > * {
    position: relative;
    z-index: 2;
}
.hero-title {
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 700;
    color: var(--comp-muted-strong);
    margin: 1rem 0 1.25rem;
    line-height: 1.1;
}
.hero-lead {
    font-size: 1.05rem;
    color: var(--comp-muted);
    max-width: 560px;
}
.btn-modern,
.btn-ghost {
    border-radius: 999px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border: 1px solid transparent;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    cursor: pointer;
}
.btn-modern {
    background: var(--comp-primary);
    color: #fff;
    border-color: var(--comp-primary);
}
.btn-modern:hover,
.btn-modern:focus {
    background: var(--comp-primary-dark);
    border-color: var(--comp-primary-dark);
    transform: translateY(-1px);
}
.btn-ghost {
    background: transparent;
    color: var(--comp-primary-dark);
    border-color: rgba(37, 99, 235, 0.4);
}
.btn-ghost:hover,
.btn-ghost:focus {
    background: rgba(37, 99, 235, 0.08);
}
.hero-footnotes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}
.footnote {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(6px);
    border-radius: 16px;
    padding: 1rem;
    border: 1px solid rgba(148, 163, 184, 0.4);
}
.footnote strong {
    display: block;
    margin-bottom: 0.3rem;
    color: var(--comp-muted-strong);
    font-size: 0.95rem;
}
.footnote span {
    font-size: 0.85rem;
    color: var(--comp-muted);
}
.status-pill {
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
    font-weight: 600;
    font-size: 0.82rem;
}
.stats-deck {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(196px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}
.stat-card {
    background: #f8fafc;
    border-radius: 12px;
    padding: 1rem 1.25rem;
    border: 1px solid var(--comp-border);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}
.stat-label {
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--comp-muted);
    margin-bottom: 0.5rem;
    font-weight: 600;
}
.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--comp-muted-strong);
    margin-bottom: 0;
}
.workspace-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    padding: 0;
}
.panel {
    background: var(--comp-surface);
    border-radius: var(--comp-radius);
    padding: clamp(1.5rem, 3vw, 2.5rem);
    border: 1px solid var(--comp-border);
    box-shadow: var(--comp-shadow);
    position: relative;
}
.panel-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: flex-start;
}
.panel-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--comp-muted-strong);
    margin: 0.25rem 0 0.5rem;
}
.panel-subtitle {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    color: var(--comp-muted);
    margin: 0;
}
.panel-lead {
    color: var(--comp-muted);
    margin-bottom: 0rem;
    font-size: 0.95rem;
}
.panel-actions .btn-modern,
.panel-actions .btn-ghost {
    padding: 0.6rem 1.2rem;
    font-size: 0.85rem;
}
.input-type-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(196px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
    margin-top: 1rem;
}
.input-type {
    border: 1px solid var(--comp-border);
    border-radius: 16px;
    padding: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background: #f8fafc;
}
.input-type input {
    margin-top: 0.35rem;
}
.input-type strong {
    display: block;
    font-size: 0.95rem;
    color: var(--comp-muted-strong);
}
.input-type small {
    display: block;
    color: var(--comp-muted);
    font-size: 0.82rem;
}
.input-type input:checked + span strong {
    color: var(--comp-primary);
}
.input-type input:checked + span small {
    color: var(--comp-muted-strong);
}
.input-type input:focus + span,
.input-type:hover {
    border-color: var(--comp-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}
.helper-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}
.helper-label {
    font-size: 0.9rem;
    color: var(--comp-muted);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.tooltip-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
}
.tooltip-trigger {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--comp-border);
    background: #fff;
    color: var(--comp-primary);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}
.tooltip-trigger:focus,
.tooltip-trigger:hover {
    background: var(--comp-primary);
    color: #fff;
}
.tooltip-bubble {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 0.75rem);
    transform: translateX(-50%);
    background: #0f172a;
    color: #f8fafc;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    width: min(260px, 80vw);
    font-size: 0.85rem;
    line-height: 1.4;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.3);
    z-index: 5;
}
.tooltip-wrapper:focus-within .tooltip-bubble,
.tooltip-wrapper:hover .tooltip-bubble {
    opacity: 1;
}
.editor-surface {
    border: 1px solid var(--comp-border);
    border-radius: 20px;
    overflow: hidden;
    min-height: 280px;
    background: #0f172a;
}
.editor {
    width: 100%;
    height: clamp(280px, 45vh, 420px);
}
.editor-hint,
.file-feedback {
    font-size: 0.85rem;
    color: var(--comp-muted);
    margin-top: 0.65rem;
}
.file-feedback {
    font-weight: 600;
}
.feedback .error-message {
    border-radius: 12px;
}
.output-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}
.icon-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.icon-btn svg {
    width: 16px;
    height: 16px;
}
.share-container {
    background: #f8fafc;
    border-radius: 16px;
    padding: 1rem 1.25rem;
    border: 1px solid var(--comp-border);
    margin-top: 1.5rem;
}
.share-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--comp-muted-strong);
}
.share-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
    gap: 0.5rem;
}
.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem 0.75rem;
    border-radius: 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    color: #ffffff;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: none;
    cursor: pointer;
}
.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 20px rgba(15, 23, 42, 0.2);
}
.share-x { background: #111827; }
.share-facebook { background: #1877f2; }
.share-linkedin { background: #0a66c2; }
.share-reddit { background: #ff4500; }
.share-telegram { background: #229ed9; }
.share-whatsapp { background: #25d366; color: #0f172a; }
.copy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.25rem;
    border-radius: 16px;
    border: 1px solid var(--comp-border);
    background: #f8fafc;
    color: var(--comp-muted-strong);
    font-weight: 600;
    transition: background 0.2s ease, transform 0.2s ease;
    cursor: pointer;
    font-size: 0.95rem;
}
.copy-btn:hover {
    background: rgba(37, 99, 235, 0.08);
    transform: translateY(-1px);
}
.copy-btn[data-state="copied"] {
    background: rgba(34, 197, 94, 0.18);
    border-color: rgba(34, 197, 94, 0.6);
    color: var(--comp-accent);
}
.copy-buttons-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}
.copy-buttons-row .copy-btn {
    flex: 1 1 auto;
    min-width: 140px;
}
.file-feedback {
    display: none;
}
.file-feedback.show {
    display: block;
}
.share-note {
    font-size: 0.82rem;
    color: var(--comp-muted);
    margin-top: 0.75rem;
}
.education-block {
    padding: 0;
    margin-top: clamp(2.5rem, 4vw, 3.5rem);
}
.education-card {
    background: var(--comp-surface);
    border-radius: var(--comp-radius);
    padding: clamp(2rem, 4vw, 2.75rem);
    border: 1px solid rgba(148, 163, 184, 0.25);
    box-shadow: var(--comp-shadow);
}
.education-card h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    color: var(--comp-muted-strong);
    margin-bottom: 1rem;
}
.education-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--comp-muted-strong);
    margin-top: 2rem;
    margin-bottom: 1rem;
}
.education-card .h4 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--comp-muted-strong);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}
.education-card p {
    color: var(--comp-muted);
    margin-bottom: 1.2rem;
    line-height: 1.8;
    font-size: 1rem;
}
.education-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}
.education-list li {
    border-left: 3px solid var(--comp-primary);
    padding-left: 1rem;
    margin-bottom: 1rem;
}
.education-list strong {
    display: block;
    font-size: 0.95rem;
    color: var(--comp-muted-strong);
}
.education-list p {
    font-size: 0.9rem;
    color: var(--comp-muted);
    margin: 0.4rem 0 0;
}
.infographic-card {
    background: #0f172a;
    border-radius: var(--comp-radius);
    padding: 2rem;
    color: #e2e8f0;
    box-shadow: var(--comp-shadow);
    position: relative;
}
.infographic-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: var(--comp-radius);
    border: 1px solid rgba(248, 250, 252, 0.2);
    pointer-events: none;
}
.infographic-step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}
.step-number {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: rgba(37, 99, 235, 0.25);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #bfdbfe;
}
.infographic-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: #f8fafc;
}
.infographic-note {
    font-size: 0.85rem;
    color: #cbd5f5;
    margin-top: 0.5rem;
}
.infographic-compression-flow {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.25);
}
.infographic-compression-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--comp-muted-strong);
    margin-bottom: 1.5rem;
    text-align: center;
}
.compression-flow-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.5rem 0;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}
.compression-flow-diagram::-webkit-scrollbar {
    height: 6px;
}
.compression-flow-diagram::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 3px;
}
.compression-flow-diagram::-webkit-scrollbar-thumb {
    background: var(--comp-primary);
    border-radius: 3px;
}
.compression-flow-diagram::-webkit-scrollbar-thumb:hover {
    background: var(--comp-primary-dark);
}
.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    flex: 0 0 auto;
    min-width: 160px;
}
.flow-box {
    width: 100%;
    max-width: 180px;
    min-width: 160px;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(14, 165, 233, 0.08) 100%);
    border-radius: 12px;
    border: 2px solid rgba(37, 99, 235, 0.2);
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.flow-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(37, 99, 235, 0.15);
}
.flow-box-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--comp-primary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.flow-box-content {
    font-size: 0.9rem;
    color: var(--comp-muted-strong);
    font-weight: 600;
}
.flow-arrow {
    font-size: 1.75rem;
    color: var(--comp-primary);
    font-weight: 700;
    flex: 0 0 auto;
    padding: 0 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    opacity: 0.7;
    transition: opacity 0.2s ease, transform 0.2s ease;
}
.flow-arrow:hover {
    opacity: 1;
    transform: scale(1.1);
}
.infographic-gzip-structure {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.25);
}
.gzip-structure-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--comp-muted-strong);
    margin-bottom: 1.5rem;
    text-align: center;
}
.structure-diagram {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.structure-segment {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid var(--comp-border);
}
.segment-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--comp-primary);
    min-width: 120px;
}
.segment-size {
    font-size: 0.8rem;
    color: var(--comp-muted);
    font-family: monospace;
}
.segment-description {
    font-size: 0.85rem;
    color: var(--comp-muted);
    flex: 1;
}
.infographic-compression-benefits {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.25);
}
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}
.benefit-item {
    background: #ffffff;
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid var(--comp-border);
    text-align: center;
}
.benefit-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}
.benefit-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--comp-muted-strong);
    margin-bottom: 0.25rem;
}
.benefit-value {
    font-size: 0.85rem;
    color: var(--comp-muted);
}
.related-tools {
    margin-top: 1.75rem;
}
.related-tools h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--comp-muted-strong);
    margin-bottom: 0.75rem;
}
.related-tools ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}
.related-tools a {
    font-weight: 600;
    color: var(--comp-primary);
    text-decoration: none;
}
.related-tools a:hover,
.related-tools a:focus {
    text-decoration: underline;
}
.related-tools span {
    display: block;
    font-size: 0.85rem;
    color: var(--comp-muted);
}
.faq-section {
    padding: 3rem clamp(1rem, 4vw, 3rem);
    background: var(--comp-surface);
    border-radius: var(--comp-radius);
    border: 1px solid var(--comp-border);
    box-shadow: var(--comp-shadow);
    margin: 0 0 2rem;
}
.faq-header span {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    color: var(--comp-muted);
}
.faq-header h2 {
    font-size: clamp(1.8rem, 3vw, 2.2rem);
    color: var(--comp-muted-strong);
    margin: 0.5rem 0;
}
.faq-header p {
    color: var(--comp-muted);
    max-width: 640px;
}
.faq-grid {
    margin-top: 1.5rem;
    display: grid;
    gap: 1rem;
}
.faq-grid details {
    border: 1px solid var(--comp-border);
    border-radius: 14px;
    padding: 1rem 1.25rem;
    background: #f9fbff;
}
.faq-grid summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--comp-muted-strong);
    outline: none;
}
.faq-grid p {
    margin: 0.75rem 0 0;
    color: var(--comp-muted);
    font-size: 0.95rem;
}
.error-message {
    margin-top: 1rem;
    background: #fee2e2;
    border: 1px solid #fecaca;
    color: var(--comp-danger);
    padding: 0.9rem 1rem;
}
.sr-only {
    position: absolute;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    width: 1px;
    height: 1px;
    overflow: hidden;
    white-space: nowrap;
}
@media (max-width: 991px) {
    .hero-grid {
        padding-bottom: 2rem;
    }
    .panel {
        padding: 1.5rem;
    }
    .education-card {
        padding: 1.75rem;
    }
}
@media (max-width: 767px) {
    .panel-actions {
        width: 100%;
    }
    .panel-actions .btn-modern,
    .panel-actions .btn-ghost {
        flex: 1;
        text-align: center;
    }
    .share-buttons {
        flex-direction: column;
    }
    .compression-flow-diagram {
        gap: 0.25rem;
        padding: 0.5rem;
    }
    .flow-step {
        min-width: 140px;
    }
    .flow-box {
        min-width: 140px;
        padding: 0.85rem;
    }
    .flow-box-label {
        font-size: 0.75rem;
    }
    .flow-box-content {
        font-size: 0.85rem;
    }
    .flow-arrow {
        font-size: 1.5rem;
        padding: 0 0.15rem;
        min-width: 20px;
    }
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .structure-diagram {
        font-size: 0.85rem;
    }
    .segment-label {
        min-width: 100px;
    }
}
@media (max-width: 576px) {
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    .education-card {
        padding: 1.5rem;
    }
}
@media (prefers-reduced-motion: reduce) {
    * {
        transition-duration: 0ms !important;
    }
}