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a{display:inline-flex;min-height:44px;align-items:center}}.app-main .workspace-toolbar{justify-content:flex-start;align-items:center;gap:12px;flex-wrap:wrap}.app-main .workspace-toolbar>h2{flex:0 0 auto;margin:0}.app-main .workspace-toolbar>.button-row{flex:0 1 auto;margin-left:0;justify-content:flex-start}.app-main .text-compare-toolbar>.button-row{justify-content:flex-start}.utility-inputs>.workspace-toolbar{margin:0}.result-panel{--result-editor-height: clamp(36rem, calc(200svh - 50rem) , 84rem);display:flex;flex-direction:column;align-self:start;gap:12px;min-width:0;max-width:100%;color:var(--color-text)}.result-panel__toolbar{position:sticky;top:var(--header-height, 64px);z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;min-height:40px;padding:0 0 8px;border-bottom:1px solid var(--color-border);background:var(--color-surface)}.result-panel__toolbar h3{flex:0 1 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.nav-link[aria-current=page]{color:var(--color-primary)}@media(max-width:860px){.utility-split{grid-template-columns:minmax(0,1fr)}}@media(max-width:640px){.utility-fields{grid-template-columns:minmax(0,1fr)}.utility-nav summary{min-height:44px}.utility-page textarea{min-height:18rem}}:root{color-scheme:light;--font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "Cascadia Code", "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;--color-bg: #f8fafc;--color-surface: #ffffff;--color-surface-muted: #f1f5f9;--color-border: #e2e8f0;--color-text: #0f172a;--color-text-muted: #475569;--color-text-soft: #64748b;--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-soft: #dbeafe;--color-primary-contrast: #ffffff;--color-primary-active: #1d4ed8;--color-accent: #0891b2;--color-accent-strong: #0e7490;--color-success: #16a34a;--color-warning: #d97706;--color-error: #dc2626;--shadow-card: 0 8px 24px rgb(15 23 42 / 8%);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 8px;--color-background: var(--color-bg);--color-surface-subtle: var(--color-surface-muted);--color-surface-raised: #ffffff;--color-border-strong: #cbd5e1;--color-accent-contrast: var(--color-primary-contrast);--color-accent-soft: var(--color-primary-soft);--color-focus: var(--color-primary);--color-danger-surface: color-mix(in srgb, var(--color-error) 9%, var(--color-surface));--color-danger-border: color-mix(in srgb, var(--color-error) 45%, var(--color-border));--color-danger-text: var(--color-error);--shadow-soft: var(--shadow-card);--shadow-subtle: 0 1px 2px rgb(15 23 42 / 8%);--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--sidebar-width: 14rem;--header-height: 3.5rem;--content-padding: var(--space-4);--workspace-gap: var(--space-3);--panel-padding: var(--space-4);--control-height: 2.5rem;--control-height-compact: 2.25rem;--editor-min-height: clamp(14rem, calc(100svh - 28rem) , 34rem);--editor-tall-height: clamp(18rem, calc(100svh - 22rem) , 46rem);--result-pane-height: clamp(16rem, calc(100svh - 24rem) , 40rem);--z-mobile-nav: 30;--z-mobile-subnav: 31;--z-header: 40;--z-sidebar: 50;--z-nav-flyout: 70;--z-history-drawer: 90;font-family:var(--font-sans)}:root[data-theme=dark]{color-scheme:dark;--color-bg: #020617;--color-surface: #0f172a;--color-surface-muted: #1e293b;--color-border: #334155;--color-text: #f8fafc;--color-text-muted: #cbd5e1;--color-text-soft: #94a3b8;--color-primary: #60a5fa;--color-primary-hover: #3b82f6;--color-primary-soft: #172554;--color-primary-contrast: #020617;--color-primary-active: #60a5fa;--color-accent: #22d3ee;--color-accent-strong: #22d3ee;--color-success: #22c55e;--color-warning: #f59e0b;--color-error: #f87171;--shadow-card: 0 8px 24px rgb(0 0 0 / 35%);--color-background: var(--color-bg);--color-surface-subtle: var(--color-surface-muted);--color-surface-raised: 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28%)}*{box-sizing:border-box}html{min-width:320px;background:var(--color-background);color:var(--color-text);font-family:var(--font-sans);font-size:16px}body{min-width:320px;min-height:100vh;margin:0;background:var(--color-background);font-family:var(--font-sans);font-feature-settings:"cv02","cv03","cv04","cv11";text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}::selection{background:var(--color-primary-soft);color:var(--color-primary-active)}button,input,select,textarea{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid color-mix(in srgb,var(--color-focus) 32%,transparent);outline-offset:2px}#root{min-height:100vh}.app-shell{display:grid;grid-template-columns:var(--sidebar-width) minmax(0,1fr);min-height:100vh}.app-workspace{display:flex;min-height:100vh;min-width:0;flex-direction:column}.sidebar{position:sticky;top:0;z-index:var(--z-sidebar);display:flex;height:100vh;flex-direction:column;gap:var(--space-5);padding:var(--space-5);overflow-y:auto;border-right:1px solid var(--color-border);background:var(--color-surface)}.brand{display:flex;width:100%;align-items:center;gap:var(--space-3);padding:0;border:0;background:transparent;text-align:left;cursor:pointer}.brand-mark,.tool-mark,.tool-page-mark{display:inline-grid;place-items:center;flex:0 0 auto;border-radius:var(--radius-md);background:var(--color-primary-soft);color:var(--color-primary-active);font-family:var(--font-mono);font-weight:700}.brand-mark{width:2.75rem;height:2.75rem}.brand strong,.brand small{display:block}.brand strong{font-size:1rem;letter-spacing:0}.brand small{margin-top:var(--space-1);color:var(--color-text-muted);font-size:.78rem;font-family:var(--font-mono)}.nav-list,.mobile-nav-panel{display:flex;flex-direction:column;gap:var(--space-1)}.nav-group{display:grid;gap:var(--space-2)}.nav-section-label{margin:var(--space-4) 0 var(--space-1);color:var(--color-text-soft);font-family:var(--font-mono);font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.nav-link{width:100%;min-height:var(--control-height);padding:var(--space-2) var(--space-3);border:0;border-radius:var(--radius-md);background:transparent;color:var(--color-text-muted);font-weight:650;text-align:left;cursor:pointer;transition:background-color .16s ease,color .16s ease,transform .16s ease}.nav-link:hover{background:var(--color-surface-subtle);color:var(--color-text)}.nav-link.is-active{background:var(--color-primary-soft);color:var(--color-primary-active);font-weight:700}.nav-parent-button{display:grid;min-height:3rem;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:var(--space-3)}.nav-parent-mark{display:inline-grid;width:2rem;height:2rem;place-items:center;border-radius:var(--radius-sm);background:color-mix(in srgb,var(--color-primary-soft) 74%,var(--color-surface));color:var(--color-primary-active);font-family:var(--font-mono);font-size:.72rem;font-weight:800;letter-spacing:.02em}.nav-parent-copy{display:grid;min-width:0;gap:.12rem}.nav-parent-copy span,.nav-parent-copy small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-parent-copy small{color:var(--color-text-soft);font-family:var(--font-mono);font-size:.72rem;font-weight:650}.nav-chevron{display:inline-grid;width:1rem;height:1rem;place-items:center;color:var(--color-text-soft)}.nav-chevron:before{width:.42rem;height:.42rem;border-right:2px solid currentColor;border-bottom:2px solid currentColor;content:"";transform:rotate(-45deg);transition:transform .16s ease}.nav-parent-button[aria-expanded=true] .nav-chevron:before{transform:rotate(135deg)}.nav-flyout{position:fixed;top:0;left:var(--sidebar-width);z-index:var(--z-nav-flyout);display:flex;width:min(22rem,calc(100vw - var(--sidebar-width)));height:100vh;flex-direction:column;gap:var(--space-5);padding:var(--space-6);border-right:1px solid var(--color-border);border-left:1px solid var(--color-border);background:var(--color-surface);box-shadow:var(--shadow-card);opacity:0;pointer-events:none;transform:translate(-1rem);transition:opacity .18s ease,transform .18s ease,visibility .18s ease;visibility:hidden}.nav-flyout.is-open{opacity:1;pointer-events:auto;transform:translate(0);visibility:visible}.nav-flyout-header{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:var(--space-3)}.nav-flyout-header h2{margin:var(--space-1) 0 0;color:var(--color-text);font-size:1.05rem;line-height:1.2}.nav-flyout-close{display:inline-grid;width:2.25rem;height:2.25rem;place-items:center;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-raised);color:var(--color-text-muted);cursor:pointer;transition:background-color .16s ease,color .16s ease,transform .16s ease}.nav-flyout-close:hover{background:var(--color-surface-subtle);color:var(--color-text);transform:translate(-1px)}.nav-submenu{display:grid;flex:1;grid-auto-rows:max-content;align-content:start;align-items:start;gap:var(--space-4);height:100%;min-height:0;overflow-y:auto;padding-right:var(--space-1)}.nav-menu-search{display:grid;gap:var(--space-2);color:var(--color-text-muted);font-size:.82rem;font-weight:700}.nav-menu-search span{font-family:var(--font-mono);letter-spacing:.02em}.nav-menu-search input{width:100%;min-height:2.55rem;padding:0 var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-raised);color:var(--color-text);box-shadow:var(--shadow-subtle)}.nav-empty-state{padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-subtle);color:var(--color-text-muted);font-weight:650}.nav-subsection{display:grid;align-content:start;gap:var(--space-1)}.nav-subsection-label{color:var(--color-text-soft);font-family:var(--font-mono);font-size:.68rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase}.nav-child-link{min-height:2.2rem;padding:var(--space-1) var(--space-3);border-radius:var(--radius-sm);font-size:.92rem;font-weight:620}.app-header{position:sticky;top:0;z-index:var(--z-header);display:grid;min-height:var(--header-height);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--content-padding);border-bottom:1px solid var(--color-border);background:color-mix(in srgb,var(--color-background) 92%,transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.header-actions{display:flex;min-width:0;align-items:center;justify-content:flex-end;gap:var(--space-2)}.top-used-nav{display:flex;min-width:0;align-items:center;gap:var(--space-2)}.top-used-label{display:inline-flex;align-items:center;gap:var(--space-2);color:var(--color-text-soft);font-family:var(--font-mono);font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}.top-used-label:before{display:inline-block;width:2.25rem;height:.42rem;border-radius:999px;background:linear-gradient(90deg,#22d3ee,#2563eb 58%,#d97706);content:""}.top-used-list{display:flex;max-width:min(54vw,36rem);min-width:0;gap:var(--space-1);overflow:hidden}.top-used-chip{position:relative;min-width:2.2rem;height:var(--control-height-compact);overflow:hidden;padding:0 var(--space-2) 0 calc(var(--space-2) + .2rem);border:1px solid var(--heat-border, var(--color-border));border-radius:var(--radius-sm);background:var(--heat-bg, var(--color-surface));color:var(--heat-text, var(--color-text-muted));font-family:var(--font-mono);font-size:.72rem;font-weight:800;cursor:pointer;transition:background-color .16s ease,border-color .16s ease,color .16s ease,transform .16s ease}.top-used-chip:before{position:absolute;inset:0 auto 0 0;width:.22rem;background:var(--heat-color, var(--color-accent));content:""}.top-used-chip.is-heat-1{--heat-color: #22d3ee;--heat-bg: color-mix(in srgb, #22d3ee 9%, var(--color-surface));--heat-border: color-mix(in srgb, #22d3ee 38%, var(--color-border))}.top-used-chip.is-heat-2{--heat-color: #0891b2;--heat-bg: color-mix(in srgb, #0891b2 12%, var(--color-surface));--heat-border: color-mix(in srgb, #0891b2 44%, var(--color-border))}.top-used-chip.is-heat-3{--heat-color: #2563eb;--heat-bg: color-mix(in srgb, #2563eb 14%, var(--color-surface));--heat-border: color-mix(in srgb, #2563eb 52%, var(--color-border));--heat-text: var(--color-primary-hover)}.top-used-chip.is-heat-4{--heat-color: #1d4ed8;--heat-bg: color-mix(in srgb, #2563eb 19%, var(--color-surface));--heat-border: color-mix(in srgb, #1d4ed8 62%, var(--color-border));--heat-text: var(--color-primary-hover)}.top-used-chip.is-heat-5{--heat-color: #d97706;--heat-bg: color-mix(in srgb, #d97706 18%, var(--color-surface));--heat-border: color-mix(in srgb, #d97706 70%, var(--color-border));--heat-text: var(--color-text)}.top-used-chip:hover{border-color:var(--heat-color, var(--color-primary));background:color-mix(in srgb,var(--heat-color, var(--color-primary)) 22%,var(--color-surface));color:var(--color-text);transform:translateY(-1px)}.history-toggle-button{display:inline-flex;min-height:var(--control-height);align-items:center;justify-content:center;gap:var(--space-2);padding:0 var(--space-3);border:1px solid var(--color-border);border-radius:999px;background:var(--color-surface);box-shadow:var(--shadow-subtle);color:var(--color-text-muted);cursor:pointer;transition:background-color .16s ease,border-color .16s ease,color .16s ease}.history-toggle-button:hover{border-color:color-mix(in srgb,var(--color-primary) 45%,var(--color-border));background:var(--color-primary-soft);color:var(--color-primary-active)}.history-toggle-label{font-family:var(--font-mono);font-size:.78rem;font-weight:800}.history-toggle-count{display:inline-grid;min-width:1.35rem;height:1.35rem;place-items:center;padding:0 var(--space-1);border-radius:999px;background:var(--color-primary-soft);color:var(--color-primary-active);font-family:var(--font-mono);font-size:.72rem;font-weight:800}.header-title h1,.dashboard-heading h2,.tool-page-heading h2,.message-box h2,.tool-card h3{margin:0;line-height:1.15}.header-title h1{min-width:0;overflow:hidden;font-size:clamp(1.02rem,1.18vw,1.28rem);font-weight:760;text-overflow:ellipsis;white-space:nowrap}.header-title{display:grid;min-width:0;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:var(--space-3)}.header-title.is-empty{display:block;min-height:var(--control-height)}.header-title-mark{width:2.25rem;height:2.25rem;font-size:.72rem}.header-title-copy{display:flex;min-width:0;align-items:baseline;gap:var(--space-2);overflow:hidden}.header-title-copy .eyebrow{flex:0 0 auto;font-size:.66rem;white-space:nowrap}.header-title-copy p{min-width:0;margin:0;overflow:hidden;color:var(--color-text-muted);font-size:.82rem;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.eyebrow,.tool-category{color:var(--color-accent-strong);font-family:var(--font-mono);font-size:.75rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.icon-button{display:inline-grid;width:var(--control-height);height:var(--control-height);place-items:center;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);box-shadow:var(--shadow-subtle);cursor:pointer}.mobile-menu-button{display:none}.menu-icon{position:relative;width:1rem;height:.85rem}.menu-icon:before,.menu-icon:after{position:absolute;left:0;width:100%;height:2px;border-radius:999px;background:currentColor;content:"";transition:top .16s ease,bottom .16s ease,transform .16s ease}.menu-icon:before{top:.16rem}.menu-icon:after{bottom:.16rem}.menu-icon.is-open:before{top:.42rem;transform:rotate(45deg)}.menu-icon.is-open:after{bottom:.3rem;transform:rotate(-45deg)}.theme-toggle{display:inline-flex;min-width:6.75rem;min-height:var(--control-height);align-items:center;justify-content:space-between;gap:var(--space-2);padding:var(--space-2);border:1px solid var(--color-border);border-radius:999px;background:var(--color-surface);box-shadow:var(--shadow-subtle);cursor:pointer}.theme-toggle-track{position:relative;width:2.5rem;height:1.35rem;border-radius:999px;background:var(--color-surface-subtle)}.theme-toggle-thumb{position:absolute;top:.2rem;left:.22rem;width:.95rem;height:.95rem;border-radius:999px;background:var(--color-primary);transition:transform .16s ease}.theme-toggle[aria-pressed=true] .theme-toggle-thumb{transform:translate(1.1rem)}.theme-toggle-label{color:var(--color-text-muted);font-family:var(--font-mono);font-size:.85rem;font-weight:700}.mobile-nav,.mobile-nav[hidden]{display:none}.app-main{width:100%;min-width:0;flex:1;padding:var(--content-padding)}.history-layer{position:fixed;inset:0;z-index:var(--z-history-drawer);visibility:hidden;pointer-events:none}.history-layer.is-open{visibility:visible;pointer-events:auto}.history-scrim{position:absolute;inset:0;border:0;background:#0f172a47;opacity:0;cursor:default;transition:opacity .18s ease}:root[data-theme=dark] .history-scrim{background:#0206178a}.history-layer.is-open .history-scrim{opacity:1}.history-drawer{position:absolute;top:0;right:0;display:grid;width:min(28rem,calc(100vw - 1rem));height:100%;grid-template-rows:auto auto auto minmax(0,1fr);gap:var(--space-4);padding:var(--space-5);border-left:1px solid var(--color-border);background:var(--color-surface);box-shadow:-18px 0 44px #0f172a2e;transform:translate(100%);transition:transform .2s ease}.history-layer.is-open .history-drawer{transform:translate(0)}.history-drawer-header{display:flex;min-width:0;align-items:flex-start;justify-content:space-between;gap:var(--space-3)}.history-drawer-header h2{margin:var(--space-1) 0 0;font-size:1.15rem;line-height:1.1}.history-close-button,.history-delete-button{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text-muted);cursor:pointer}.history-close-button{display:inline-grid;width:var(--control-height-compact);height:var(--control-height-compact);place-items:center;font-family:var(--font-mono);font-weight:900}.history-search{display:grid;gap:var(--space-2)}.history-search span,.history-toolbar{color:var(--color-text-soft);font-family:var(--font-mono);font-size:.72rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.history-search input{width:100%;min-height:var(--control-height);padding:0 var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-muted);color:var(--color-text)}.history-toolbar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.history-toolbar .text-button{min-height:var(--control-height-compact);padding:0 var(--space-2)}.history-list{display:grid;align-content:start;gap:var(--space-3);min-height:0;overflow-y:auto;padding-right:var(--space-1)}.history-entry{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--space-2);align-items:stretch}.history-entry-main{display:grid;min-width:0;gap:.18rem;padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-muted);color:var(--color-text);text-align:left;cursor:pointer}.history-entry-main:hover:not(:disabled){border-color:color-mix(in srgb,var(--color-primary) 45%,var(--color-border));background:color-mix(in srgb,var(--color-primary-soft) 50%,var(--color-surface))}.history-entry-main:disabled{opacity:.6;cursor:not-allowed}.history-entry-main strong,.history-entry-main span,.history-entry-main time{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-entry-main strong{font-size:.94rem}.history-entry-main>span:not(.history-entry-kicker),.history-entry-main time{color:var(--color-text-muted);font-size:.82rem}.history-entry-kicker{color:var(--color-accent-strong);font-family:var(--font-mono);font-size:.68rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase}.history-delete-button{min-width:4.25rem;padding:0 var(--space-2);font-size:.82rem;font-weight:750}.history-delete-button:hover{border-color:var(--color-danger-border);background:var(--color-danger-surface);color:var(--color-danger-text)}.history-empty{display:grid;min-height:8rem;place-items:center;border:1px dashed var(--color-border);border-radius:var(--radius-md);color:var(--color-text-muted);font-size:.92rem}.page-stack{display:grid;align-content:start;min-width:0;gap:var(--workspace-gap)}.dashboard-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(15rem,21rem);align-items:end;gap:var(--space-4)}.dashboard-heading p,.tool-page-heading p,.message-box p,.tool-card p{margin:var(--space-3) 0 0;color:var(--color-text-muted);line-height:1.5}.dashboard-heading h2,.tool-page-heading h2{margin-top:var(--space-2);font-size:clamp(1.45rem,2.1vw,2.15rem);font-weight:760;letter-spacing:0}.tool-search{display:grid;gap:var(--space-2);color:var(--color-text-muted);font-size:.85rem;font-weight:700}.tool-search input{width:100%;min-height:var(--control-height);padding:0 var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-text);box-shadow:var(--shadow-subtle)}.catalog-toolbar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-subtle)}.catalog-toolbar div{display:grid;gap:var(--space-1);min-height:4rem;align-content:center;padding:var(--space-3) var(--space-4)}.catalog-toolbar div+div{border-left:1px solid var(--color-border)}.catalog-toolbar strong{font-size:1.2rem}.catalog-toolbar span{color:var(--color-text-muted);font-size:.85rem}.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(17rem,1fr));gap:var(--space-3)}.tool-card{display:grid;min-height:13rem;align-content:space-between;gap:var(--space-4);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-subtle);transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease}.tool-card:hover{border-color:var(--color-border-strong);box-shadow:var(--shadow-soft);transform:translateY(-2px)}.tool-card-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.tool-mark{width:2.6rem;height:2.6rem;font-size:.82rem}.status-pill{display:inline-flex;min-height:1.8rem;align-items:center;padding:0 var(--space-3);border:1px solid var(--color-border);border-radius:999px;color:var(--color-text-muted);font-family:var(--font-mono);font-size:.75rem;font-weight:700}.status-pill.is-online{border-color:color-mix(in srgb,var(--color-success) 45%,var(--color-border));background:color-mix(in srgb,var(--color-success) 12%,var(--color-surface));color:var(--color-success)}.status-pill.is-offline{border-color:var(--color-danger-border);background:var(--color-danger-surface);color:var(--color-danger-text)}.tool-card h3{margin-top:var(--space-2);font-size:1rem}.text-button{display:inline-flex;min-height:var(--control-height);align-items:center;justify-content:center;justify-self:start;padding:0 var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-raised);color:var(--color-text);font-weight:800;cursor:pointer;transition:border-color .16s ease,color .16s ease}.text-button:hover{border-color:var(--color-primary);color:var(--color-primary-hover)}.message-box{padding:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-subtle)}.message-box h2{font-size:1.25rem}.tool-page-heading{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:var(--space-3);min-width:0}.tool-page-mark{width:2.5rem;height:2.5rem;font-size:.76rem}.tool-page-heading>div:last-child{display:flex;min-width:0;align-items:baseline;gap:var(--space-2);overflow:hidden}.tool-page-heading .eyebrow{flex:0 0 auto;font-size:.68rem;white-space:nowrap}.tool-page-heading h2{flex:0 1 auto;min-width:0;margin:0;overflow:hidden;font-size:clamp(1.05rem,1.25vw,1.32rem);line-height:1.1;text-overflow:ellipsis;white-space:nowrap}.tool-page-heading p{min-width:0;margin:0;overflow:hidden;font-size:.86rem;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.utility-panel{display:grid;min-width:0;gap:var(--space-4);padding:var(--panel-padding);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-subtle)}.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-4)}.panel-heading h3{margin:var(--space-1) 0 0;font-size:1.05rem;font-weight:760;line-height:1.2}.form-grid{display:grid;gap:var(--space-4)}.form-grid.two-column{grid-template-columns:repeat(2,minmax(0,1fr))}.form-grid.compact-fields{align-items:start}.field-stack{display:grid;gap:var(--space-1);min-width:0;color:var(--color-text-muted);font-family:var(--font-mono);font-size:.86rem;font-weight:700}.field-stack input,.field-stack select,.field-stack textarea{width:100%;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-raised);color:var(--color-text);box-shadow:var(--shadow-subtle)}.field-stack input::placeholder,.field-stack textarea::placeholder{color:var(--color-text-soft)}.field-stack input,.field-stack select{min-height:var(--control-height);padding:0 var(--space-4);font-family:var(--font-sans)}.field-stack input[type=file]{min-height:auto;padding:var(--space-3);cursor:pointer}.field-stack input:disabled{color:var(--color-text-soft);cursor:not-allowed}.field-stack textarea{min-height:10rem;padding:var(--space-3) var(--space-4);font-family:var(--font-mono);font-size:.92rem;line-height:1.55;resize:vertical}.button-row{display:flex;flex-wrap:wrap;gap:var(--space-2)}.primary-button,.secondary-button{display:inline-flex;min-height:var(--control-height);align-items:center;justify-content:center;padding:0 var(--space-4);border-radius:var(--radius-md);font-weight:750;cursor:pointer;transition:background-color .16s ease,border-color .16s ease,color .16s ease,opacity .16s ease}.primary-button{border:1px solid var(--color-primary);background:var(--color-primary);color:var(--color-primary-contrast)}.primary-button:hover:not(:disabled){border-color:var(--color-primary-hover);background:var(--color-primary-hover)}.secondary-button{border:1px solid var(--color-border);background:var(--color-surface-raised);color:var(--color-text)}.secondary-button:hover:not(:disabled){border-color:var(--color-primary);color:var(--color-primary-hover)}.primary-button:disabled,.secondary-button:disabled{cursor:not-allowed;opacity:.48}.inline-notice{margin:0;padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-subtle);color:var(--color-text-muted);line-height:1.55}.inline-notice.is-success{border-color:color-mix(in srgb,var(--color-success) 45%,var(--color-border));background:color-mix(in srgb,var(--color-success) 12%,var(--color-surface));color:var(--color-success)}.inline-notice.is-error{border-color:var(--color-danger-border);background:var(--color-danger-surface);color:var(--color-danger-text)}.file-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-3);margin:0}.file-summary div{min-width:0;padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-subtle)}.file-summary dt{color:var(--color-text-soft);font-family:var(--font-mono);font-size:.74rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.file-summary dd{overflow-wrap:anywhere;margin:var(--space-1) 0 0;color:var(--color-text);font-family:var(--font-mono);font-weight:700}.segmented-control{display:flex;flex-wrap:wrap;gap:var(--space-2);margin:0;padding:0;border:0}.segmented-control legend{width:100%;margin-bottom:var(--space-1);color:var(--color-text-muted);font-family:var(--font-mono);font-size:.86rem;font-weight:700}.segmented-control label{display:inline-flex;min-height:var(--control-height-compact);align-items:center;gap:var(--space-2);padding:0 var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-raised);color:var(--color-text);font-weight:750;cursor:pointer}.segmented-control input{accent-color:var(--color-primary)}.helper-text{margin:0;color:var(--color-text-muted)}.helper-text strong{color:var(--color-text)}.decoded-file-preview{display:grid;gap:var(--space-4)}.media-preview-image,.media-preview-player,.media-preview-frame{width:100%;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-raised);box-shadow:var(--shadow-subtle)}.media-preview-image{max-height:var(--result-pane-height);object-fit:contain}.media-preview-player{min-height:3rem}.media-preview-frame{min-height:var(--result-pane-height)}.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(10rem,1fr));gap:var(--space-2);margin:0}.result-grid div{min-width:0;padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-subtle)}.result-grid 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