:root{--angle-ink:#111c27;--angle-muted:#45596b;--angle-line:rgba(32,49,66,.14);--angle-blue:#287fc4;--angle-blue-dark:#175f98;--angle-orange:#e98638;--angle-green:#208761;--angle-bg:#edf5fa;--angle-card:#fff;--angle-radius:18px;--angle-shadow:0 20px 48px -34px rgba(39,65,88,.42),0 8px 24px -20px rgba(84,119,148,.32)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.winkel-rechner-page{margin:0;color:var(--angle-ink);font-family:Inter,"Segoe UI",Arial,sans-serif;overflow-x:hidden}
button,input{font:inherit}.is-hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.angle-page{width:min(100% - 40px,1320px);margin:0 auto;padding:20px 0 56px}
.tool-hero{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr);height:clamp(280px,20vw,310px);border:1px solid rgba(255,138,36,.28);border-radius:22px;background:linear-gradient(145deg,rgba(255,255,255,.84),rgba(228,238,247,.72));box-shadow:var(--angle-shadow);overflow:hidden}
.tool-hero__content{padding:30px clamp(30px,4vw,52px);align-self:center}.eyebrow,.section-kicker{margin:0 0 7px;color:var(--angle-orange);font-size:.73rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.tool-hero h1{margin:0;font-size:clamp(2.3rem,4vw,4rem);line-height:.96;letter-spacing:-.05em}.tool-hero__content>p:not(.eyebrow){max-width:620px;margin:14px 0 0;color:var(--angle-muted);font-size:clamp(.94rem,1.15vw,1.06rem);line-height:1.5}.tool-hero__art{min-height:0;background:#dcebf4}.tool-hero__art img{display:block;width:100%;height:100%;object-fit:cover;object-position:center}
.hero-chips{display:flex;flex-wrap:wrap;gap:6px;margin:16px 0 0;padding:0;list-style:none}.hero-chips li{padding:6px 10px;border:1px solid #cbddea;border-radius:999px;background:#f4f9fc;color:#36566f;font-size:.74rem;font-weight:750}
.calculator{margin-top:16px}.mode-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;max-width:620px;margin:0 auto 14px;padding:5px;border:1px solid var(--angle-line);border-radius:15px;background:linear-gradient(180deg,rgba(250,253,255,.82),rgba(228,238,247,.68));box-shadow:0 14px 32px -25px rgba(39,65,88,.48)}.mode-tab{min-height:42px;padding:7px 16px;border:0;border-radius:10px;background:transparent;color:var(--angle-muted);cursor:pointer;font-size:.9rem;font-weight:800}.mode-tab:hover{background:#edf5fa;color:var(--angle-blue-dark)}.mode-tab.is-active{background:var(--angle-ink);color:#fff;box-shadow:inset 0 -3px var(--angle-orange)}
.workspace{display:grid;grid-template-columns:minmax(0,44fr) minmax(0,56fr);align-items:stretch;gap:18px}.geometry-card,.control-card{min-width:0;min-height:520px;border:1px solid var(--angle-line);border-radius:var(--angle-radius);background:linear-gradient(180deg,rgba(250,253,255,.70),rgba(228,238,247,.58));box-shadow:var(--angle-shadow);overflow:hidden}.geometry-card{display:flex;flex-direction:column}.card-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 22px 0}.card-heading h2{margin:0;font-size:1.2rem;letter-spacing:-.02em}.section-kicker{margin-bottom:3px;font-size:.64rem}.live-label{display:flex;align-items:center;gap:7px;color:var(--angle-muted);font-size:.72rem}.live-label>span{width:8px;height:8px;border-radius:50%;background:var(--angle-green);box-shadow:0 0 0 4px rgba(32,135,97,.12)}
.drawing{display:grid;flex:1;place-items:center;min-height:300px;padding:2px 18px}.drawing svg{display:block;width:100%;height:100%;max-height:340px}.svg-shape{fill:rgba(40,127,196,.07);stroke:var(--angle-blue);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;transition:d .35s cubic-bezier(.4,0,.2,1)}.svg-dim-text,.svg-angle-text{font-family:Inter,"Segoe UI",sans-serif;font-size:13px;font-weight:800;fill:#425d72}.svg-angle-text{fill:var(--angle-orange)}.taper-body{fill:rgba(40,127,196,.08);stroke:#284b65;stroke-width:2.5;stroke-dasharray:7 5}.center-line{stroke:#a8bac8;stroke-dasharray:5 4}.dimension-line{stroke:var(--angle-blue);stroke-width:2;marker-start:url(#arrow);marker-end:url(#arrow)}#arrow path{fill:var(--angle-blue)}.length-line{stroke:var(--angle-blue);stroke-width:2}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:0 16px 16px}.metric{min-height:62px;padding:10px 12px;border:1px solid #dbe5ed;border-radius:12px;background:#f7fafc}.metric span,.taper-summary span{display:block;margin-bottom:4px;color:var(--angle-muted);font-size:.61rem;font-weight:850;letter-spacing:.09em;text-transform:uppercase}.metric strong{font-family:"SFMono-Regular",Consolas,monospace;font-size:1rem}.taper-summary{margin:0 16px 16px;padding:13px 15px;border:1px solid #d8e5ee;border-radius:12px;background:#f4f9fc}.taper-summary strong{font-size:.88rem}
.control-card{display:flex;flex-direction:column;padding-bottom:0}.control-heading{padding-bottom:12px}.status{display:flex;align-items:center;gap:11px;min-height:52px;margin:0 22px 15px;padding:8px 13px;border:1px solid #d7e1e9;border-radius:11px;background:#f7fafc}.status-dot{flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:#8ba0b2;box-shadow:0 0 0 4px rgba(139,160,178,.12)}.status strong,.status span:not(.status-dot){display:block}.status strong{margin-bottom:1px;font-size:.78rem}.status span:not(.status-dot){color:var(--angle-muted);font-size:.78rem}.status[data-state="progress"]{border-color:#bdd8eb;background:#f2f8fc}.status[data-state="progress"] .status-dot{background:var(--angle-blue)}.status[data-state="success"]{border-color:#baddcf;background:#f2faf7}.status[data-state="success"] .status-dot{background:var(--angle-green)}
#form-triangle,#form-taper{padding:0 22px}.input-section{margin:0 0 16px;padding:0;border:0}.input-section legend{width:100%;margin-bottom:9px;color:#50677a;font-size:.67rem;font-weight:900;letter-spacing:.13em;text-transform:uppercase}.input-grid{display:grid;gap:11px 13px}.input-grid--sides{grid-template-columns:repeat(2,minmax(0,1fr))}.input-grid--angles{grid-template-columns:repeat(3,minmax(0,1fr))}.field{position:relative;min-width:0}.field--wide{grid-column:1/-1}.field label{display:block;margin:0 0 5px;color:#304d64;font-size:.74rem;font-weight:800}.field input{display:block;width:100%;min-height:45px;padding:9px 11px;border:1px solid #bdcbd6;border-radius:10px;background:#fff;color:var(--angle-ink);font-family:"SFMono-Regular",Consolas,monospace;font-size:.94rem;transition:border-color .18s,box-shadow .18s,background .18s}.field input:disabled{background:#edf2f5;color:#607485;cursor:not-allowed}.field input.calculated{padding-right:82px;border-color:#a8cfbf;background:#f2f8f5;color:#176b4e;font-weight:750}.field-status{display:none;position:absolute;right:9px;bottom:14px;color:#34765f;font-size:.57rem;font-weight:850;letter-spacing:.02em;text-transform:uppercase}.field input.calculated+.field-status{display:block}.form-intro{margin:0 0 15px;padding:10px 13px;border-left:3px solid var(--angle-orange);border-radius:0 10px 10px 0;background:#fff8f1;color:var(--angle-muted);font-size:.82rem;line-height:1.45}.taper-result{margin:4px 0 18px;padding:16px;border:1px solid #bdd6e7;border-radius:15px;background:linear-gradient(135deg,#f4f9fc,#eaf4fa);text-align:center}.taper-result>span{display:block;color:#506a7e;font-size:.65rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.taper-result>strong{display:block;margin:5px 0 3px;color:var(--angle-blue-dark);font-family:"SFMono-Regular",Consolas,monospace;font-size:clamp(1.8rem,3vw,2.4rem)}.taper-result small{color:var(--angle-muted)}
.control-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:auto;padding:11px 22px;border-top:1px solid #dde6ed;background:#f7fafc}.legend{display:flex;flex-wrap:wrap;gap:12px;color:var(--angle-muted);font-size:.69rem}.legend span{display:flex;align-items:center;gap:5px}.legend i{width:11px;height:11px;border:1px solid #bdcbd6;border-radius:3px;background:#fff}.legend .calculated-key{border-color:#92c8b5;background:#f0f8f5}.reset-button{min-height:38px;padding:7px 12px;border:1px solid #c5d2dc;border-radius:9px;background:#fff;color:#425d72;cursor:pointer;font-size:.73rem;font-weight:800}.reset-button:hover{border-color:#8ea7ba;color:var(--angle-blue-dark)}
.guide{margin-top:34px}.section-heading{max-width:720px;margin-bottom:16px}.section-heading h2{margin:0;font-size:clamp(1.7rem,2.4vw,2.2rem);letter-spacing:-.035em}.section-heading>p:last-child{margin:6px 0 0;color:var(--angle-muted);font-size:.92rem}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);align-items:stretch;gap:16px}.guide-card{display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--angle-line);border-radius:18px;background:linear-gradient(180deg,rgba(250,253,255,.78),rgba(228,238,247,.64));box-shadow:var(--angle-shadow)}.guide-card img{display:block;width:100%;aspect-ratio:16/8.8;object-fit:cover;background:#e8f0f5}.guide-card>div{flex:1;padding:16px 18px}.guide-card h3{margin:0 0 6px;font-size:1.08rem}.guide-card p{margin:0;color:var(--angle-muted);font-size:.86rem;line-height:1.5}
button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid rgba(40,127,196,.35);outline-offset:3px}.field input:focus-visible{outline:0;border-color:var(--angle-blue);box-shadow:0 0 0 3px rgba(40,127,196,.14)}
@media (max-width:1020px){.angle-page{width:min(100% - 28px,900px)}.tool-hero{grid-template-columns:1fr;height:auto}.tool-hero__content{padding:32px}.tool-hero__art{min-height:280px;max-height:380px}.workspace{grid-template-columns:1fr}.geometry-card,.control-card{min-height:0}.drawing{min-height:340px}.guide-grid{grid-template-columns:repeat(2,1fr)}.guide-card:last-child{grid-column:1/-1;max-width:calc(50% - 8px)}}
@media (max-width:620px){.angle-page{width:min(100% - 20px,600px);padding-top:14px}.tool-hero{border-radius:22px}.tool-hero__content{padding:26px 22px}.tool-hero h1{font-size:2.7rem}.tool-hero__art{min-height:215px}.hero-chips li:nth-last-child(-n+2){display:none}.calculator{display:flex;flex-direction:column;margin-top:14px}.mode-tabs{width:100%;order:0;gap:3px;padding:4px}.mode-tab{min-height:48px;padding:8px 5px;font-size:.78rem}.workspace{order:1}.geometry-card,.control-card{border-radius:18px}.card-heading{padding:18px 18px 0}.live-label{display:none}.drawing{min-height:285px;padding:4px 12px}.metric-grid{gap:6px;padding:0 12px 14px}.metric{padding:11px 8px}.metric span{font-size:.57rem}.metric strong{font-size:.9rem}.control-heading{padding-bottom:14px}.status{margin:0 18px 16px}#form-triangle,#form-taper{padding:0 18px}.input-grid--angles{grid-template-columns:1fr}.field input{min-height:52px}.field-status{bottom:17px}.control-footer{align-items:flex-start;padding:14px 18px}.reset-button{min-height:44px}.guide{margin-top:36px}.guide-grid{grid-template-columns:1fr}.guide-card:last-child{grid-column:auto;max-width:none}.guide-card img{aspect-ratio:16/9}}
@media (max-width:390px){.input-grid--sides{grid-template-columns:1fr}.control-footer{flex-direction:column}.reset-button{width:100%}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}