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@media(max-width:900px){.hero{gap:10px}.hero-art{transform:scale(.85)}h1{font-size:53px}.header-inner{gap:22px}.tool-grid{grid-template-columns:repeat(2,1fr)}footer{margin:0 28px}.footer-links{flex-wrap:wrap;gap:15px}.image-options{grid-template-columns:repeat(2,1fr)}}
@media(max-width:650px){.header-inner{min-height:74px;padding:0 20px;gap:14px}.header-inner nav{display:none}.brand{font-size:20px}.language{margin-inline-start:auto;font-size:12px}.language summary{padding:7px 9px}main{padding:0 20px}.hero{grid-template-columns:1fr;padding:45px 0 30px;min-height:0}.hero-copy h1{font-size:57px;letter-spacing:-2.5px}.hero-copy>p{font-size:16px}.hero-art{height:310px;max-width:380px;width:100%;margin:0 auto;transform:scale(.84);transform-origin:center}.art-text{top:15px;left:10px}.art-code{top:33px;right:5px}.art-image{top:175px;left:155px}.art-pill{bottom:7px}.art-spark{right:-5px;top:190px}.section-heading{display:block}.section-heading h2{font-size:25px}.search{margin-top:21px;min-width:0}.filters{gap:3px;margin:20px 0}.filter{font-size:12px;padding:7px 11px}.tool-grid{grid-template-columns:1fr;gap:13px}.tool-card{padding:21px}.tool-card p{min-height:0;margin-bottom:15px}.principles{grid-template-columns:1fr;gap:26px;padding:30px 0}.principles h2{margin:5px 0}.principles p{max-width:390px}footer{display:block;margin:0 20px;padding:25px 0}.footer-links{margin-top:20px}.tool-heading h1{font-size:35px;letter-spacing:-1px}.workspace{padding:18px}.stats{grid-template-columns:1fr 1fr}.stats>div{padding:12px}.explanation{grid-template-columns:1fr;gap:0}.checks{display:block}.image-options{gap:12px}.image-options label{font-size:12px}.upload{padding:18px}.prose{padding:35px 0}.prose h1{font-size:36px}.prose p{font-size:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.tool-card{transition:none}}
.word-stats{grid-template-columns:repeat(3,minmax(0,1fr))}.word-stats strong{overflow-wrap:anywhere}@media(max-width:650px){.word-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
.encoding-options{margin-bottom:24px}.encoding-options select{width:100%;max-width:420px;padding:12px;border:1px solid #cad6c4;border-radius:8px;background:#fcfdfb;color:#243b2b}
.time-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.time-grid>section{min-width:0}.time-grid input,.time-grid select{display:block;width:100%;min-width:0;padding:12px;border:1px solid #cad6c4;border-radius:8px;background:#fcfdfb;margin:0 0 16px}.time-grid input{font-family:ui-monospace,monospace}.field-hint{font-size:13px;color:#617159;overflow-wrap:anywhere}.time-grid+.workspace{margin-top:20px}@media(max-width:650px){.time-grid{grid-template-columns:1fr;gap:12px}.time-grid>section+section{border-top:1px solid #e0e5db;padding-top:20px}}
#copy:disabled{cursor:not-allowed;background:#eef1ef;color:#52645c;border-color:#d9e2dc;opacity:1}
.search-feedback{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:16px 0 24px}.search-feedback p{margin:0;font-size:14px;color:#52645c}.search-feedback .button{min-height:44px;white-space:normal;text-align:start}
/* Shared visual-guide foundations for the homepage and migrated tool pages. */
:is(.home-page,.modern-tool){--canvas:#f6f8f7;--surface:#fff;--ink:#182d26;--muted:#52645c;--primary:#156b4f;--selected:#e8f3ec;--divider:#d9e2dc;--control-border:#788980;background:var(--canvas);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}
:is(.home-page,.modern-tool) header{background:var(--surface);border-color:var(--divider)}
:is(.home-page,.modern-tool) .header-inner{min-height:72px}
:is(.home-page,.modern-tool) :is(a,button,input,summary):focus-visible{outline:3px solid #2459d3;outline-offset:3px}
.discovery-hero{padding:56px 0 40px;text-align:center;max-width:800px;margin:auto}
.discovery-hero h1{font-size:56px;line-height:1.08;letter-spacing:-.025em;font-weight:750;margin:0 0 20px}
.discovery-intro{font-size:18px;line-height:1.6;max-width:580px;margin:0 auto;color:var(--muted)}
.discovery-search{max-width:600px;margin:28px auto 16px;text-align:start}
.discovery-search label{display:block;margin-bottom:8px;font-size:14px;font-weight:600}
.discovery-search .search{min-width:0;margin:0;padding:12px 16px;gap:12px;border-color:var(--control-border);border-radius:12px}
.discovery-search svg{width:22px;height:22px;flex:none;fill:none;stroke:var(--muted);stroke-width:1.8;stroke-linecap:round}
.discovery-search input{font-size:16px;line-height:1.5;color:var(--ink);padding:4px;min-height:32px}
.discovery-search input::placeholder{color:var(--muted);opacity:1}
.discovery-trust{font-size:14px;color:var(--muted);margin:0}
:is(.home-page,.modern-tool) .catalog{padding:12px 0 64px}
:is(.home-page,.modern-tool) .section-heading h2{font-size:28px;letter-spacing:-.025em}
:is(.home-page,.modern-tool) .section-heading p{font-size:16px;color:var(--muted)}
:is(.home-page,.modern-tool) .filters{gap:8px;margin:24px 0 16px}
:is(.home-page,.modern-tool) .filter{min-height:44px;border:1px solid var(--control-border);border-radius:99px;background:var(--surface);color:var(--muted);font-size:14px;padding:8px 16px}
:is(.home-page,.modern-tool) .filter:hover{background:var(--selected)}
:is(.home-page,.modern-tool) .filter.active{background:var(--selected);border-color:var(--primary);color:var(--primary);font-weight:650}
:is(.home-page,.modern-tool) .filter.active::before{content:'✓';margin-inline-end:6px}
:is(.home-page,.modern-tool) .filter span{font-size:12px;background:transparent;padding:0;color:inherit}
:is(.home-page,.modern-tool) .search-feedback{margin:0 0 24px;min-height:44px}
:is(.home-page,.modern-tool) .secondary{border-color:var(--control-border);color:var(--ink);border-radius:10px}
:is(.home-page,.modern-tool) .tool-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
:is(.home-page,.modern-tool) .tool-card{display:flex;flex-direction:column;border-color:var(--divider);border-radius:16px;padding:24px;transition:border-color .15s,box-shadow .15s}
:is(.home-page,.modern-tool) .tool-card:hover{transform:none;border-color:var(--primary);box-shadow:0 4px 16px #182d260a}
:is(.home-page,.modern-tool) .tool-card h3{font-size:20px;line-height:1.4;margin:16px 0 8px;font-weight:650}
:is(.home-page,.modern-tool) .tool-card p{font-size:16px;line-height:1.6;color:var(--muted);min-height:0;margin-bottom:20px}
:is(.home-page,.modern-tool) .category{font-size:14px;color:var(--muted);letter-spacing:0;text-transform:none;margin-top:auto}
:is(.home-page,.modern-tool) .tool-icon{background:var(--selected);color:var(--primary)}
:is(.home-page,.modern-tool) .tool-icon.developer{background:#eeeaf9;color:#60479a}
:is(.home-page,.modern-tool) .tool-icon.image{background:#fff0d8;color:#854d0e}
:is(.home-page,.modern-tool) .arrow{color:var(--primary)}
:is(.home-page,.modern-tool) .principles{border-color:var(--divider);gap:32px;padding:40px 0 48px}
:is(.home-page,.modern-tool) .principles h2{font-size:20px}
:is(.home-page,.modern-tool) .principles p,:is(.home-page,.modern-tool) footer p,:is(.home-page,.modern-tool) .footer-links,:is(.home-page,.modern-tool) .footer-links>span{font-size:14px;color:var(--muted)}
:is(.home-page,.modern-tool) .principles article>span{font-size:14px;color:var(--primary)}
:is(.home-page,.modern-tool) footer{border-color:var(--divider)}
html[dir=rtl] :is(.home-page,.modern-tool) .discovery-hero h1{letter-spacing:0;line-height:1.4}
html[dir=rtl] :is(.home-page,.modern-tool) .discovery-intro{line-height:1.75}
@media(max-width:1023px){:is(.home-page,.modern-tool) .tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:639px){:is(.home-page,.modern-tool) main{padding:0 16px}:is(.home-page,.modern-tool) .header-inner{min-height:64px;padding:0 16px;gap:12px}:is(.home-page,.modern-tool) .brand{font-size:18px}:is(.home-page,.modern-tool) .language summary{min-height:44px;display:flex;align-items:center}.discovery-hero{padding:32px 0}.discovery-hero h1{font-size:36px;line-height:1.12;margin-bottom:16px}.discovery-intro{font-size:16px}.discovery-search{margin:24px auto 16px}:is(.home-page,.modern-tool) .section-heading h2{font-size:25px}:is(.home-page,.modern-tool) .catalog{padding-bottom:40px}:is(.home-page,.modern-tool) .tool-grid{grid-template-columns:1fr;gap:16px}:is(.home-page,.modern-tool) .filters{gap:8px}:is(.home-page,.modern-tool) .filter{padding:8px 13px}:is(.home-page,.modern-tool) .principles{grid-template-columns:1fr;gap:24px}:is(.home-page,.modern-tool) footer{margin:0 16px}:is(.home-page,.modern-tool) .tool-card{padding:24px}}
@media(prefers-reduced-motion:reduce){:is(.home-page,.modern-tool) .tool-card{transition:none}}
/* Word counter workspace: the input precedes secondary reading settings. */
.modern-tool .tool-heading{padding:32px 0 24px}
.modern-tool .back{font-size:14px;color:var(--primary);margin-bottom:16px;min-height:32px}
.modern-tool .eyebrow{font-size:13px;color:var(--muted)}
.modern-tool .tool-heading h1{font-size:40px;line-height:1.15;letter-spacing:-.025em;font-weight:700;margin:12px 0}
.modern-tool .tool-heading p{font-size:16px;line-height:1.6;color:var(--muted);max-width:68ch;margin:0 0 12px}
.modern-tool .privacy-note{font-size:14px;color:var(--primary)}
.modern-tool .workspace{padding:32px;border:1px solid var(--divider);border-radius:16px;background:var(--surface)}
.modern-tool .workspace label{font-size:14px;margin-bottom:8px;color:var(--ink)}
.modern-tool .word-stats{gap:12px;margin-bottom:24px}
.modern-tool .word-stats>div{padding:16px;background:var(--canvas);border-radius:10px;text-align:start;min-width:0}
.modern-tool .word-stats>div:first-child{background:var(--selected)}
.modern-tool .word-stats strong{font-size:32px;font-weight:700;line-height:1.2;color:var(--ink);font-variant-numeric:tabular-nums;margin-bottom:6px}
.modern-tool .word-stats span{font-size:14px;line-height:1.5;color:var(--muted);display:block}
.modern-tool .workspace textarea{background:var(--surface);border-color:var(--control-border);border-radius:10px;color:var(--ink);font-size:16px;line-height:1.6;height:240px;min-height:160px;padding:16px}
.modern-tool .workspace textarea::placeholder{color:var(--muted);opacity:1}
.modern-tool textarea:focus-visible,.modern-tool select:focus-visible{outline:3px solid #2459d3;outline-offset:3px}
.word-toolbar{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:20px}
.word-toolbar .actions{margin:0}
.word-toolbar .button{min-height:48px;font-size:15px}
.reading-options{max-width:100%}
.reading-options select{display:block;width:100%;max-width:100%;min-height:48px;padding:10px 12px;border:1px solid var(--control-border);border-radius:10px;background:var(--surface);color:var(--ink);font-size:16px}
.modern-tool .field-hint{font-size:14px;line-height:1.6;color:var(--muted);margin:16px 0 0;max-width:68ch}
.modern-tool .status:empty{display:none}
.modern-tool .explanation{gap:40px;padding:32px 0}
.modern-tool .explanation h2{font-size:24px;letter-spacing:-.02em}
.modern-tool .explanation p{font-size:16px;line-height:1.7;color:var(--muted);max-width:68ch}
.modern-tool .related h2{font-size:28px;letter-spacing:-.025em}
html[dir=rtl] .modern-tool .tool-heading h1{letter-spacing:0;line-height:1.4}
html[dir=rtl] .modern-tool .explanation p{line-height:1.75}
@media(max-width:639px){.modern-tool .tool-heading{padding:24px 0 20px}.modern-tool .tool-heading h1{font-size:30px}.modern-tool .workspace{padding:16px}.modern-tool .word-stats{gap:8px;margin-bottom:20px}.modern-tool .word-stats>div{padding:12px}.modern-tool .word-stats strong{font-size:28px}.modern-tool .workspace textarea{height:200px}.word-toolbar{align-items:stretch;gap:16px}.word-toolbar .reading-options{flex:1 1 100%}.modern-tool .explanation{gap:0}.modern-tool .related h2{font-size:25px}}
/* Conversion tools share aligned editors; stack in input-to-result order on mobile. */
.converter-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start}
.converter-grid>div{min-width:0}
.modern-tool .converter-grid textarea{height:300px;min-height:180px}
.modern-tool .converter-grid textarea[readonly]{background:var(--canvas);font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.modern-tool[data-tool=case-converter] .converter-grid textarea[readonly]{font-family:inherit}
.modern-tool[data-tool=json-formatter] .converter-grid textarea{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.modern-tool .converter-grid .actions{gap:8px;margin:16px 0 0}
.modern-tool .converter-grid .button{min-height:48px;padding:10px 16px;font-size:15px;gap:8px}
.modern-tool .converter-grid .status:not(:empty){margin-top:16px;padding:12px 16px;border:1px solid var(--divider);border-radius:10px;background:var(--selected);color:var(--primary)}
.modern-tool .converter-grid .status.error{color:#b42318;background:#fff5f4;border-color:#b42318}
.modern-tool .converter-grid .field-hint{margin:12px 0 0}
.modern-tool .encoding-options{padding-bottom:24px;margin-bottom:24px;border-bottom:1px solid var(--divider)}
.modern-tool .encoding-options select{min-height:48px;max-width:100%;width:min(100%,420px);background:var(--surface);border-color:var(--control-border);border-radius:10px;color:var(--ink);font-size:16px}
@media(max-width:767px){.converter-grid{grid-template-columns:1fr;gap:24px}.converter-result{padding-top:24px;border-top:1px solid var(--divider)}.modern-tool .converter-grid textarea{height:220px}}
/* Timestamp conversion: two independent directions with one shared result. */
.modern-tool .time-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-bottom:24px}
.modern-tool .time-grid>section{min-width:0;padding:24px;border:1px solid var(--divider);border-radius:12px;background:var(--canvas);display:flex;flex-direction:column;align-items:stretch}
.modern-tool .time-grid input,.modern-tool .time-grid select{width:100%;min-width:0;min-height:48px;padding:12px;border:1px solid var(--control-border);border-radius:10px;background:var(--surface);color:var(--ink);font-size:16px}
.modern-tool .time-grid input{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.modern-tool .time-grid input+label{margin-top:16px}
.modern-tool .time-grid .field-hint{margin:12px 0 20px}
.modern-tool .time-grid .actions{margin-top:auto;margin-bottom:0;padding-top:4px;gap:8px}
.modern-tool[data-tool=timestamp-converter] .workspace .button{min-height:48px;padding:10px 16px;font-size:15px}
.modern-tool .time-result{padding-top:24px;border-top:1px solid var(--divider)}
.modern-tool .time-result textarea{height:160px;background:var(--canvas);font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.modern-tool .time-result .status:not(:empty){padding:12px 16px;border:1px solid var(--divider);border-radius:10px;background:var(--selected);color:var(--primary)}
.modern-tool .time-result .status.error{color:#b42318;background:#fff5f4;border-color:#b42318}
@media(max-width:767px){.modern-tool .time-grid{grid-template-columns:1fr;gap:16px}.modern-tool .time-grid>section{padding:16px}}
/* Password workspace: large option targets and a distinct, readable result. */
.password-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:32px;align-items:start}
.password-grid>div{min-width:0}
.modern-tool .password-options input[type=number]{min-height:48px;margin:0;padding:12px;border-color:var(--control-border);border-radius:10px;background:var(--surface);color:var(--ink);font-size:16px}
.modern-tool .password-options .checks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:24px}
.modern-tool .password-options .checks label{display:flex;align-items:center;gap:12px;min-height:52px;margin:0;padding:12px;border:1px solid var(--divider);border-radius:10px;background:var(--canvas);font-size:15px;cursor:pointer}
.modern-tool .password-options .checks label:has(:checked){background:var(--selected);border-color:var(--primary)}
.modern-tool .password-options .checks input{width:20px;height:20px;flex:0 0 20px;margin:0}
.modern-tool .password-grid .actions{margin:20px 0 0}
.modern-tool .password-grid .button{min-height:48px;font-size:15px}
.modern-tool .password-result textarea{height:160px;min-height:120px;background:var(--canvas);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:20px;line-height:1.6;letter-spacing:0}
.modern-tool .password-result .status:not(:empty){margin-top:16px;padding:12px 16px;border:1px solid var(--divider);border-radius:10px;background:var(--selected);color:var(--primary)}
.modern-tool .password-result .status.error{color:#b42318;background:#fff5f4;border-color:#b42318}
@media(max-width:767px){.password-grid{grid-template-columns:1fr;gap:24px}.password-result{padding-top:24px;border-top:1px solid var(--divider)}}
@media(max-width:399px){.modern-tool .password-options .checks{grid-template-columns:1fr}}
/* Image workspace: readable local-file controls and a framed output preview. */
.modern-tool .upload{padding:24px;border:1px dashed var(--control-border);border-radius:12px;background:var(--canvas)}
.modern-tool .upload p{font-size:14px;line-height:1.6;color:var(--muted);overflow-wrap:anywhere}
.modern-tool .upload input[type=file]{display:block;width:100%;min-width:0;min-height:48px;font-size:14px;color:var(--ink)}
.modern-tool .upload input::file-selector-button{min-height:48px;padding:10px 16px;margin-inline-end:12px;border:1px solid var(--control-border);border-radius:10px;background:var(--surface);color:var(--ink);font:inherit;cursor:pointer}
.modern-tool #image-source:empty{display:none}
.modern-tool #image-source:not(:empty){margin:16px 0 0;color:var(--ink);font-weight:600}
.modern-tool .image-options{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:24px;align-items:start}
.modern-tool .image-options label{min-width:0;font-size:14px}
.modern-tool .image-options input[type=number],.modern-tool .image-options select{width:100%;min-width:0;min-height:48px;padding:12px;border-color:var(--control-border);border-radius:10px;background:var(--surface);color:var(--ink);font-size:16px}
.modern-tool .image-options input[type=range]{display:block;min-height:48px;margin:8px 0;accent-color:var(--primary);cursor:pointer}
.modern-tool .image-options input:disabled{opacity:.55;cursor:not-allowed}
.modern-tool[data-tool=image-resizer] .workspace .button{min-height:48px;font-size:15px}
.modern-tool[data-tool=image-resizer] .workspace>.status:not(:empty){padding:12px 16px;border:1px solid var(--divider);border-radius:10px;background:var(--selected);color:var(--primary)}
.modern-tool[data-tool=image-resizer] .workspace>.status.error{color:#b42318;background:#fff5f4;border-color:#b42318}
.modern-tool #image-result{margin-top:24px;padding-top:24px;border-top:1px solid var(--divider)}
.modern-tool #dimensions{font-size:16px;font-weight:600;color:var(--ink);margin:0 0 8px;overflow-wrap:anywhere}
.modern-tool #file-sizes{font-size:14px;color:var(--muted);margin:0 0 20px}
.modern-tool #image-preview{border:1px solid var(--divider);border-radius:10px;background-color:var(--canvas);background-image:conic-gradient(#d9e2dc 25%,transparent 0 50%,#d9e2dc 0 75%,transparent 0);background-size:20px 20px}
@media(max-width:767px){.modern-tool .image-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.modern-tool .upload{padding:16px}}
@media(max-width:399px){.modern-tool .image-options{grid-template-columns:1fr}}