.watch-page{--watch-accent:#54a8ff;--watch-wash:rgba(84,168,255,.12)}.watch-top{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:88px;border-bottom:1px solid var(--line)}.watch-main{padding-top:35px;padding-bottom:65px}.watch-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:27px}.watch-heading h1{font-size:clamp(24px,3vw,38px);margin:8px 0}.watch-heading p{font-size:12px;color:var(--muted);max-width:850px}.watch-heading .kicker{color:var(--watch-accent)}.watch-badge{color:var(--watch-accent);white-space:nowrap;padding:9px 16px;border:1px solid var(--watch-accent);border-radius:30px;font-size:12px;background:var(--watch-wash)}.watch-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px;align-items:start}.watch-content{min-width:0}.player-shell{border-radius:21px;overflow:hidden;border:1px solid var(--watch-accent);box-shadow:0 18px 60px #0005,0 0 35px var(--watch-wash);background:#000}.player-bar{display:flex;align-items:center;gap:9px;padding:13px 17px;background:linear-gradient(100deg,var(--surface),#11203a);color:#b7c9e3;font-size:11px}.live-dot{width:7px;height:7px;border-radius:50%;background:var(--watch-accent);box-shadow:0 0 12px var(--watch-accent)}.player-quality{margin-inline-start:auto;font-weight:800;direction:ltr}.player-ratio{aspect-ratio:16/9;min-height:200px;position:relative}.player-ratio iframe,.player-ratio>div{width:100%;height:100%;position:absolute;inset:0;border:0}.watch-status{color:var(--muted);font-size:12px;margin:15px 0}.watch-content h2{font-size:20px;margin:15px 0}.watch-controls{display:flex;flex-wrap:wrap;gap:10px}.watch-controls .btn-primary{background:var(--watch-accent);color:#07101f}.source-links{display:flex;flex-wrap:wrap;gap:20px;font-size:12px;color:var(--watch-accent);margin-top:20px}.watch-help{font-size:11px;color:var(--muted);line-height:2}.watch-sidebar{position:sticky;top:20px;background:linear-gradient(140deg,var(--surface),var(--bg));border:1px solid var(--line);border-radius:20px;padding:20px}.sidebar-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.sidebar-head h2{font-size:16px;margin:0}.sidebar-head>span{font-size:11px;color:var(--muted)}.progress-label{display:flex;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted);margin-top:18px}.progress-label strong{color:var(--watch-accent)}progress{width:100%;height:6px;appearance:none;border:0;border-radius:10px;overflow:hidden;margin:10px 0 20px;background:var(--bg)}progress::-webkit-progress-bar{background:var(--bg)}progress::-webkit-progress-value{background:var(--watch-accent);transition:width .4s}progress::-moz-progress-bar{background:var(--watch-accent)}.watch-video-list{display:flex;flex-direction:column;gap:9px;max-height:60vh;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--watch-accent) transparent;padding:3px}.watch-lesson{display:flex;align-items:center;gap:11px;text-align:right;width:100%;background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:12px;padding:13px 11px;font-size:12px}.watch-lesson:hover{border-color:var(--watch-accent)}.watch-lesson[aria-current="true"]{border-color:var(--watch-accent);background:var(--watch-wash)}.lesson-number{font-size:11px;color:var(--watch-accent);flex:none}.lesson-name{flex:1;min-width:0}.lesson-done{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);flex:none;color:#42d79c}.lesson-done svg{width:18px;height:18px}.lesson-done.completed{background:rgba(66,215,156,.15);border-color:#42d79c}.lesson-done.animate{animation:checkPop .5s ease-out}.lesson-done.animate path{stroke-dasharray:24;stroke-dashoffset:24;animation:checkDraw .45s ease-out forwards}.completion-toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#12392d;color:#b8ffe2;border:1px solid #42d79c;border-radius:15px;padding:15px 22px;z-index:50;box-shadow:0 12px 35px #0005;white-space:nowrap;animation:toastIn .3s ease-out}.completion-toast[hidden]{display:none}.completion-toast span{display:inline-grid;place-items:center;background:#42d79c;color:#062a1a;width:27px;height:27px;border-radius:50%;margin-left:9px;animation:checkPop .5s ease-out}@keyframes checkPop{0%{transform:scale(.3)}65%{transform:scale(1.22)}100%{transform:scale(1)}}@keyframes checkDraw{to{stroke-dashoffset:0}}@keyframes toastIn{from{opacity:0;bottom:10px}to{opacity:1;bottom:25px}}.lesson-course-link{flex-direction:column;align-items:center;gap:8px;max-width:360px;text-align:center}.lesson-course-link>span:first-child{display:flex;align-items:center;justify-content:center;gap:10px}.lesson-course-link small{font-weight:500;font-size:10px;color:var(--muted)}.lesson-course-link .coverage-note{color:#f5ad35}.lesson-course-link:focus-visible{outline:2px solid var(--major-accent);outline-offset:3px}@media(max-width:960px){.watch-layout{grid-template-columns:minmax(0,1fr) 280px;gap:16px}}@media(max-width:720px){.watch-layout{grid-template-columns:1fr}.watch-sidebar{position:static}.watch-video-list{max-height:420px}.watch-heading{align-items:start}.watch-badge{display:none}.watch-controls .btn{padding:10px 14px;font-size:12px}.watch-top .btn{padding:9px 12px;font-size:11px}.watch-content h2{font-size:17px}.watch-main{padding-top:23px}.completion-toast{font-size:12px;max-width:95vw}.watch-heading h1{font-size:26px}}@media(prefers-reduced-motion:reduce){.lesson-done.animate,.lesson-done.animate path,.completion-toast,.completion-toast span{animation:none}.lesson-done.animate path{stroke-dashoffset:0}}

/* One distinctive color for the complete explanations library */
.lesson-library-buttons{--major-accent:#72d9f2;--major-wash:rgba(114,217,242,.12);gap:16px}.lesson-library-buttons .lesson-course-link{padding:17px 20px;min-height:110px;border-radius:17px;box-shadow:inset 0 2px 0 rgba(114,217,242,.28)}.lesson-library-buttons .lesson-course-link:hover{border-color:#72d9f2;box-shadow:0 7px 24px rgba(114,217,242,.15)}.lesson-library-buttons .coverage-note{font-size:9px}#lessons>h2{color:var(--text)}.watch-page{--watch-accent:#72d9f2;--watch-wash:rgba(114,217,242,.12)}

#retryPlaylist[hidden],#localFileNotice[hidden]{display:none!important}#localFileNotice p{margin:5px 0}#retryPlaylist{font-size:11px;padding:9px 12px}

.lesson-library-buttons{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));align-items:stretch;max-width:none;gap:14px;grid-auto-rows:1fr}.lesson-library-buttons .lesson-course-link{width:100%;max-width:none;min-width:0;min-height:156px;padding:18px 12px;box-sizing:border-box;justify-content:center;overflow-wrap:anywhere}.lesson-library-buttons .lesson-course-link>span:first-child{flex-direction:column;gap:10px}.lesson-library-buttons .course-icon svg{width:27px;height:27px}.lesson-library-buttons strong{font-size:13px;line-height:1.8}.lesson-library-buttons small{line-height:1.7}@media(max-width:1050px){.lesson-library-buttons{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:650px){.lesson-library-buttons{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}}@media(max-width:360px){.lesson-library-buttons{grid-template-columns:1fr}}.watch-status[data-error]{padding:14px;border:1px solid var(--watch-accent);border-radius:12px;background:var(--watch-wash)}.youtube-fallback{padding:10px 16px;border:1px solid var(--watch-accent);border-radius:12px;background:var(--watch-wash)}

/* Direct YouTube course cards */
.lesson-library-buttons{gap:18px}.lesson-library-buttons .lesson-course-link{position:relative;min-height:218px;padding:23px 15px 18px;gap:13px;border:1px solid rgba(114,217,242,.3);border-radius:22px;background:linear-gradient(155deg,rgba(69,229,255,.08),var(--surface) 65%);box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 10px 26px rgba(0,0,0,.12);transition:transform .22s,border-color .22s,box-shadow .22s}.lesson-library-buttons .lesson-course-link:hover{transform:translateY(-5px);border-color:var(--cyan);box-shadow:0 14px 32px rgba(0,0,0,.2),0 0 20px rgba(69,229,255,.08)}.lesson-library-buttons .lesson-card-main{flex:1;width:100%}.lesson-library-buttons .course-icon{display:grid;place-items:center;width:54px;height:54px;border-radius:17px;background:rgba(69,229,255,.08);border:1px solid rgba(69,229,255,.18);color:var(--cyan)}.lesson-library-buttons strong{font-size:14px;line-height:1.8}.lesson-library-buttons .youtube-card-label{display:flex;align-items:center;justify-content:center;gap:7px;width:100%;padding-top:13px;border-top:1px solid var(--line);color:var(--muted);font-size:10px;font-weight:600;line-height:1.8}.youtube-card-label svg{width:23px;height:17px;flex:none;color:#ff0033}.lesson-library-buttons .lesson-course-link small{font-size:10px}@media(max-width:650px){.lesson-library-buttons{gap:12px}.lesson-library-buttons .lesson-course-link{padding:18px 10px 15px;min-height:216px;border-radius:18px}.lesson-library-buttons strong{font-size:13px}.lesson-library-buttons .youtube-card-label{font-size:9px;gap:5px}}

/* Compact cards and digital YouTube badge */
.lesson-library-buttons{gap:12px}.lesson-library-buttons .lesson-course-link{min-height:148px;padding:14px 10px 11px;gap:7px;border-radius:15px;box-shadow:inset 0 1px 0 rgba(255,255,255,.05),0 5px 14px rgba(0,0,0,.1)}.lesson-library-buttons .lesson-course-link:hover{transform:translateY(-3px)}.lesson-library-buttons .lesson-course-link>span:first-child{gap:7px}.lesson-library-buttons .course-icon{width:34px;height:34px;border-radius:10px}.lesson-library-buttons .course-icon svg{width:21px;height:21px}.lesson-library-buttons strong{font-size:12px;line-height:1.65}.lesson-library-buttons .lesson-course-link small{font-size:9px;line-height:1.6}.lesson-library-buttons .youtube-card-label{padding-top:8px;gap:6px;font-size:9px;line-height:1.65}.youtube-digital-icon{position:relative;display:inline-grid;place-items:center;flex:none;width:30px;height:27px;border:1px solid rgba(255,0,51,.45);border-radius:8px;background:linear-gradient(145deg,rgba(255,0,51,.18),rgba(255,0,51,.03));box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 0 10px rgba(255,0,51,.1)}.youtube-digital-icon::before,.youtube-digital-icon::after{content:'';position:absolute;width:4px;height:4px;background:#ff0033;border-radius:1px;box-shadow:0 0 5px rgba(255,0,51,.5)}.youtube-digital-icon::before{top:-2px;right:4px}.youtube-digital-icon::after{bottom:-2px;left:4px}.youtube-card-label .youtube-digital-icon svg{width:19px;height:14px;color:#ff0033}.lesson-course-link:hover .youtube-digital-icon{border-color:#ff0033;box-shadow:0 0 13px rgba(255,0,51,.22)}@media(max-width:650px){.lesson-library-buttons{gap:10px}.lesson-library-buttons .lesson-course-link{min-height:148px;padding:12px 9px 10px;border-radius:14px}.lesson-library-buttons strong{font-size:12px}.lesson-library-buttons .youtube-card-label{font-size:8px;gap:5px}}

.lesson-library-buttons .youtube-card-label{color:#ff405d;font-weight:700;text-align:center;justify-content:center}

/* Course buttons fit their names */
.lesson-library-buttons{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;grid-auto-rows:auto}.lesson-library-buttons .lesson-course-link{display:inline-flex;flex:none;width:auto;max-width:100%;min-width:0;min-height:0;padding:11px 15px;gap:5px;border-radius:13px;overflow-wrap:normal}.lesson-library-buttons .lesson-course-link>span:first-child{flex-direction:row;gap:8px;flex:none;width:auto}.lesson-library-buttons .course-icon{width:27px;height:27px;border-radius:8px}.lesson-library-buttons .course-icon svg{width:18px;height:18px}.lesson-library-buttons strong{font-size:12px;line-height:1.6;white-space:normal}.lesson-library-buttons .lesson-course-link small{display:none}.lesson-library-buttons .youtube-card-label{width:auto;padding-top:0;border-top:0;font-size:8px;line-height:1.6}@media(max-width:650px){.lesson-library-buttons{gap:8px}.lesson-library-buttons .lesson-course-link{width:auto;min-height:0;padding:10px 12px;border-radius:12px}.lesson-library-buttons strong{font-size:11px}.lesson-library-buttons .youtube-card-label{font-size:8px}}

/* Continuous rotating light for YouTube course buttons */
.lesson-library-buttons .lesson-course-link{position:relative;isolation:isolate;overflow:hidden;border:0;background:transparent;box-shadow:0 0 12px rgba(47,145,255,.12),0 0 20px rgba(69,229,255,.06);transform:translateZ(0)}
.lesson-library-buttons .lesson-course-link::before{content:'';position:absolute;left:50%;top:50%;width:max(420px,210%);aspect-ratio:1;z-index:-2;pointer-events:none;background:conic-gradient(from 0deg,transparent 0deg,#2f91ff 65deg,#45e5ff 105deg,transparent 155deg,transparent 180deg,#2f91ff 245deg,#72d9f2 285deg,transparent 335deg);animation:none;filter:blur(2px);opacity:.85}
.lesson-library-buttons .lesson-course-link::after{content:'';position:absolute;inset:2px;z-index:-1;pointer-events:none;border-radius:11px;background:radial-gradient(ellipse at top,rgba(69,229,255,.045),transparent 70%),var(--surface);box-shadow:inset 0 0 0 1px rgba(114,217,242,.08)}
.lesson-library-buttons .lesson-course-link:hover{box-shadow:0 0 18px rgba(47,145,255,.23),0 0 25px rgba(69,229,255,.12);border-color:transparent}
.lesson-library-buttons .lesson-course-link:hover::before{opacity:1}.lesson-library-buttons .lesson-course-link:active{transform:translateY(0);box-shadow:0 0 20px rgba(69,229,255,.24)}
@keyframes lessonLightSpin{from{transform:translate(-50%,-50%) rotate(0deg)}to{transform:translate(-50%,-50%) rotate(360deg)}}
@media(max-width:650px){.lesson-library-buttons .lesson-course-link::after{border-radius:10px}}



/* Nine compact course cards and YouTube dialog */
.lesson-library-buttons{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));align-items:stretch;gap:9px;grid-auto-rows:1fr}.lesson-library-buttons .lesson-course-link{width:100%;max-width:none;min-height:87px;padding:10px 6px;border-radius:12px;gap:0}.lesson-library-buttons .lesson-course-link>span:first-child{flex-direction:column;gap:6px;width:100%;justify-content:center}.lesson-library-buttons .course-icon{width:25px;height:25px;border-radius:7px}.lesson-library-buttons .course-icon svg{width:16px;height:16px}.lesson-library-buttons strong{font-size:10px;line-height:1.7;overflow-wrap:anywhere}.lesson-library-buttons .lesson-course-link::after{border-radius:10px}.youtube-panel{max-width:440px;width:100%;border:1px solid rgba(255,0,51,.28);border-radius:24px;background:linear-gradient(145deg,var(--surface),var(--bg));box-shadow:0 25px 100px #0008,0 0 35px rgba(255,0,51,.07)}.youtube-panel .panel-header{align-items:start}.youtube-panel #panelTitle{font-size:22px;line-height:1.8}.youtube-panel .kicker{color:#ff4059}.youtube-popup-content{text-align:center;padding:10px 0 8px}.youtube-popup-logo{display:flex;align-items:center;justify-content:center;gap:10px;direction:ltr;font-size:26px;font-weight:900;letter-spacing:-1px}.youtube-popup-logo svg{width:43px;height:31px}.youtube-popup-content p{font-size:12px;color:var(--muted);margin:17px 0 24px}.youtube-watch-button{display:flex;align-items:center;justify-content:center;gap:11px;min-height:52px;padding:12px 20px;border-radius:14px;background:#ff0033;color:#fff;font-size:15px;font-weight:800;box-shadow:0 8px 25px rgba(255,0,51,.2);transition:background .2s,transform .2s}.youtube-watch-button:hover{background:#df002d;transform:translateY(-2px)}.youtube-watch-button svg{width:22px;height:22px}.youtube-watch-button:focus-visible{outline:2px solid var(--text);outline-offset:4px}@media(max-width:1050px){.lesson-library-buttons{grid-template-columns:repeat(6,minmax(0,1fr))}}@media(max-width:750px){.lesson-library-buttons{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:480px){.lesson-library-buttons{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.lesson-library-buttons .lesson-course-link{min-height:87px;padding:9px 5px}.lesson-library-buttons strong{font-size:10px}.youtube-panel #panelTitle{font-size:20px}}

/* Matching material grids with each section's own accent */
#materialsBrowser .course-buttons,.free-course-buttons{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));align-items:stretch;gap:9px;grid-auto-rows:1fr;max-width:none}
#materialsBrowser .course-btn,.free-course-buttons .free-course-btn{position:relative;isolation:isolate;overflow:hidden;display:flex;flex-direction:column;justify-content:center;align-items:center;width:100%;max-width:none;min-width:0;min-height:87px;padding:10px 6px;gap:6px;border:0;border-radius:12px;background:transparent;font-size:10px;line-height:1.7;overflow-wrap:anywhere;box-shadow:0 0 12px color-mix(in srgb,var(--card-glow) 14%,transparent);transform:translateZ(0)}
#materialsBrowser .course-btn{--card-glow:var(--major-accent)}.free-course-buttons .free-course-btn{--card-glow:var(--free-red)}
#materialsBrowser .course-btn::before,.free-course-buttons .free-course-btn::before{content:'';position:absolute;left:50%;top:50%;width:max(420px,210%);aspect-ratio:1;z-index:-2;pointer-events:none;background:conic-gradient(from 0deg,transparent 0deg,var(--card-glow) 65deg,color-mix(in srgb,var(--card-glow) 65%,white) 105deg,transparent 155deg,transparent 180deg,var(--card-glow) 245deg,color-mix(in srgb,var(--card-glow) 65%,white) 285deg,transparent 335deg);animation:none;filter:blur(2px);opacity:.85}
#materialsBrowser .course-btn::after,.free-course-buttons .free-course-btn::after{content:'';position:absolute;inset:2px;z-index:-1;pointer-events:none;border-radius:10px;background:var(--surface);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--card-glow) 12%,transparent)}
#materialsBrowser .course-icon,.free-course-buttons .free-course-icon{display:grid;place-items:center;width:25px;height:25px;border-radius:7px;color:var(--card-glow);background:color-mix(in srgb,var(--card-glow) 9%,transparent);flex:none}
#materialsBrowser .course-icon svg,.free-course-buttons .free-course-icon svg{width:16px;height:16px}
#materialsBrowser .course-btn:hover,.free-course-buttons .free-course-btn:hover{transform:translateY(-3px);box-shadow:0 0 18px color-mix(in srgb,var(--card-glow) 25%,transparent)}
#materialsBrowser .course-btn[aria-pressed="true"],.free-course-buttons .free-course-btn[aria-pressed="true"]{box-shadow:0 0 0 2px var(--card-glow),0 0 18px color-mix(in srgb,var(--card-glow) 25%,transparent);background:transparent}
#materialsBrowser .course-btn:focus-visible,.free-course-buttons .free-course-btn:focus-visible{outline:2px solid var(--card-glow);outline-offset:4px}
@media(max-width:1050px){#materialsBrowser .course-buttons,.free-course-buttons{grid-template-columns:repeat(6,minmax(0,1fr))}}@media(max-width:750px){#materialsBrowser .course-buttons,.free-course-buttons{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:480px){#materialsBrowser .course-buttons,.free-course-buttons{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}#materialsBrowser .course-btn,.free-course-buttons .free-course-btn{padding:9px 5px;font-size:10px}}

/* Lightweight material cards: no continuously animated layers */
.lesson-library-buttons .lesson-course-link::before,.lesson-library-buttons .lesson-course-link::after,#materialsBrowser .course-btn::before,#materialsBrowser .course-btn::after,.free-course-buttons .free-course-btn::before,.free-course-buttons .free-course-btn::after{content:none;display:none;animation:none;filter:none}
.lesson-library-buttons .lesson-course-link,#materialsBrowser .course-btn,.free-course-buttons .free-course-btn{isolation:auto;transform:none;box-shadow:none;background:var(--surface);transition:border-color .15s,background-color .15s;border:1px solid color-mix(in srgb,var(--card-glow,var(--cyan)) 40%,transparent)}
.lesson-library-buttons .lesson-course-link:hover,#materialsBrowser .course-btn:hover,.free-course-buttons .free-course-btn:hover{transform:none;box-shadow:none;border-color:var(--card-glow,var(--cyan));background:var(--surface2)}
.lesson-library-buttons .lesson-course-link:active{transform:none;box-shadow:none}
#materialsBrowser .course-btn[aria-pressed="true"],.free-course-buttons .free-course-btn[aria-pressed="true"]{box-shadow:none;border-color:var(--card-glow);background:var(--surface2)}

.free-files-panel{max-width:470px;width:100%;border-radius:22px}.free-files-panel #panelTitle{font-size:22px;line-height:1.7}.free-files-panel .kicker{color:#ff667b}.free-files-dialog{text-align:center;padding:12px 0 8px}.drive-dialog-icon,.coming-soon-icon{display:grid;place-items:center;width:76px;height:76px;margin:auto;border-radius:20px;background:var(--surface2)}.drive-dialog-icon svg{width:46px;height:41px}.free-files-dialog p{color:var(--muted);font-size:12px;margin:18px 0 24px}.drive-files-button{display:flex;align-items:center;justify-content:center;gap:12px;min-height:56px;padding:13px 16px;border-radius:14px;background:var(--surface2);border:1px solid #4285f4;color:var(--text);font-size:13px;font-weight:800;transition:background-color .15s}.drive-files-button:hover{background:var(--surface)}.drive-files-button svg{width:28px;height:25px;flex:none}.coming-soon-icon{color:#ff667b}.coming-soon-icon svg{width:35px;height:35px}.coming-soon-title{font-size:30px;color:#ff667b;margin:16px 0 0}

.material-drive-links{display:grid;gap:16px}.material-file-source h3{font-size:12px;color:var(--muted);margin:0 0 8px}

.free-files-panel .coming-soon-title,.free-files-panel .coming-soon-icon,.free-files-panel .kicker{color:var(--section-accent,#ff667b)}
.original-plan-panel{max-width:1240px;width:100%;padding:20px}.original-plan-toolbar{display:flex;justify-content:center}.original-plan-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:center}.original-plan-controls button{border:1px solid var(--line);border-radius:10px;background:var(--surface2);color:var(--text);padding:8px 13px;min-width:40px;font-size:12px}.original-plan-controls output{font-size:12px;min-width:50px;text-align:center;direction:ltr}.original-plan-help{text-align:center;font-size:11px;color:var(--muted);margin:12px 0}.original-plan-view{position:relative;overflow:hidden;height:min(67vh,800px);min-height:300px;background:#f7f8fa;border:1px solid var(--line);border-radius:14px;touch-action:none;cursor:grab;direction:ltr;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.original-plan-view.dragging{cursor:grabbing}.original-plan-view img{position:absolute;top:0;left:0;max-width:none;width:auto;height:auto;transform-origin:0 0;user-select:none;-webkit-user-select:none;-webkit-user-drag:none;pointer-events:none}.plan-image-status{position:absolute;inset:0;display:grid;place-items:center;color:#25344a;font-size:14px}.plan-image-status[hidden]{display:none}@media(max-width:650px){.original-plan-panel{padding:14px}.original-plan-panel #panelTitle{font-size:20px}.original-plan-view{height:62vh;min-height:280px}.original-plan-controls{gap:5px}.original-plan-controls button{padding:8px 10px;font-size:11px}}

.original-plan-view{background:var(--bg);background-image:radial-gradient(var(--line) 1px,transparent 1px);background-size:22px 22px}.digital-plan-stage{position:absolute;left:0;top:0;transform-origin:0 0;pointer-events:none;user-select:none;-webkit-user-select:none}.digital-plan-lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible}.digital-plan-lines>path{fill:none;stroke-width:2;stroke-linejoin:round;opacity:.7}.digital-plan-card{position:absolute;width:196px;height:90px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:10px;background:var(--surface);border:1px solid var(--plan-accent);border-top:3px solid var(--plan-accent);border-radius:15px;text-align:center;direction:rtl;color:var(--text)}.digital-plan-card strong{font-size:16px;line-height:1.5}.digital-plan-type{font-size:10px;color:var(--plan-accent)}.digital-plan-core{border-color:#45e5ff}.digital-plan-core .digital-plan-type{color:#45e5ff}.digital-plan-aux{border-color:#ff829c}.digital-plan-aux .digital-plan-type{color:#ff829c}.digital-plan-other{border-color:var(--muted)}.digital-plan-other .digital-plan-type{color:var(--muted)}.digital-plan-gate{border-style:dashed;border-color:var(--muted)}.digital-plan-gate strong{font-size:14px}.plan-image-status{color:var(--text)}

.digital-plan-stage{pointer-events:auto}.digital-plan-lines{pointer-events:none}.digital-plan-card{cursor:pointer;font-family:inherit;user-select:none;-webkit-user-select:none}.digital-plan-card:hover{background:var(--surface2)}.digital-plan-card:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}.digital-plan-card:disabled{opacity:1;cursor:default}.return-plan-button{display:block;margin:20px auto 0;padding:10px 18px;border:1px solid var(--line);border-radius:12px;color:var(--text);background:var(--surface2);font-family:inherit}.original-plan-controls{position:sticky;top:0}.original-plan-panel{max-height:96dvh}.original-plan-view{height:65dvh;min-height:250px;overscroll-behavior:contain}.original-plan-help{line-height:1.7}@media(max-width:650px){.original-plan-panel{padding:12px;max-height:96dvh}.original-plan-view{height:62dvh;min-height:220px}.original-plan-controls output{min-width:40px}.original-plan-controls button{min-height:40px}.original-plan-help{font-size:10px}.original-plan-panel .panel-header{margin-bottom:12px}}

.tool-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:25px;margin-top:28px}.tool-group{padding:20px;border:1px solid var(--line);border-radius:19px;background:var(--surface)}.tool-group h3{font-size:17px;color:var(--tool-accent);text-align:center;margin:0 0 19px}.tool-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.tool-card{display:flex;flex-direction:column;align-items:center;text-align:center;padding:11px;border:1px solid var(--line);border-radius:14px;background:var(--bg);min-width:0;gap:8px;transition:border-color .15s}.tool-card:hover{border-color:var(--tool-accent)}.tool-card strong{font-size:12px;line-height:1.7;overflow-wrap:anywhere}.tool-description{font-size:10px;color:var(--muted);flex:1}.tool-open{font-size:10px;color:var(--tool-accent);margin-top:5px}.tool-art{display:flex;flex-direction:column;align-items:center;width:100%;padding:9px;border:1px solid color-mix(in srgb,var(--tool-accent) 30%,transparent);border-radius:10px;background:linear-gradient(150deg,color-mix(in srgb,var(--tool-accent) 9%,var(--bg)),var(--bg));color:var(--tool-accent);direction:ltr}.tool-art-top{display:flex;gap:3px;align-items:center;width:100%;font-size:6px;letter-spacing:1px;color:var(--muted)}.tool-art-top i{width:3px;height:3px;background:var(--tool-accent);border-radius:50%}.tool-art-top>span{margin-left:auto}.tool-art>svg{width:43px;height:43px;margin:13px 0}.tool-art-bottom{display:flex;justify-content:space-between;width:100%;font-size:6px;letter-spacing:1px;gap:3px}.tool-art-bottom>span{opacity:.5}@media(max-width:900px){.tool-groups{grid-template-columns:1fr}}@media(max-width:480px){.tool-group{padding:14px}.tool-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-art>svg{width:39px;height:39px}.tool-card{padding:10px}}

.training-platform-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:15px;margin-top:28px}.training-platform-card{display:flex;flex-direction:column;align-items:center;gap:14px;padding:18px 15px;border:1px solid var(--line);border-radius:18px;background:var(--surface);min-width:0;text-align:center;transition:border-color .15s}.training-platform-card:hover{border-color:var(--platform-accent)}.platform-card-head{display:flex;justify-content:space-between;width:100%;font-size:9px;letter-spacing:1px;direction:ltr;color:var(--muted)}.platform-card-head>span:last-child{color:var(--platform-accent);font-size:16px}.platform-digital-mark{display:grid;place-items:center;width:66px;height:66px;border-radius:17px;border:1px solid color-mix(in srgb,var(--platform-accent) 35%,transparent);background:linear-gradient(135deg,color-mix(in srgb,var(--platform-accent) 12%,var(--surface)),var(--bg));color:var(--platform-accent);font:800 25px system-ui,sans-serif;letter-spacing:-1px}.training-platform-card h3{font-size:15px;line-height:1.6;margin:0}.training-platform-card>p{font-size:11px;color:var(--muted);line-height:1.9;margin:0;flex:1}.platform-tags{display:flex;justify-content:center;flex-wrap:wrap;gap:5px}.platform-tags span{font-size:8px;padding:3px 7px;border:1px solid var(--line);border-radius:7px;color:var(--muted)}.platform-visit{display:flex;justify-content:center;gap:8px;width:100%;border-top:1px solid var(--line);padding-top:12px;font-size:11px;color:var(--platform-accent);font-weight:700}@media(max-width:1000px){.training-platform-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:650px){.training-platform-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.training-platform-card{padding:15px 12px}.training-platform-card h3{font-size:13px}}@media(max-width:360px){.training-platform-grid{grid-template-columns:1fr}}

.student-calculators{display:grid;grid-template-columns:1.2fr 1fr;gap:22px;margin-top:28px;text-align:right}.student-tool-box{border:1px solid var(--line);border-radius:18px;background:var(--surface);padding:22px;min-width:0}.student-tool-box h3{margin:0 0 12px;font-size:18px;color:var(--cyan)}.student-tool-note{font-size:11px;color:var(--muted);line-height:1.9}.student-tool-box label{display:flex;flex-direction:column;gap:7px;font-size:11px;color:var(--muted)}.student-tool-box input{width:100%;min-width:0;border:1px solid var(--line);border-radius:9px;background:var(--bg);color:var(--text);padding:10px;font:inherit;font-size:12px}.grade-course-row{display:grid;grid-template-columns:1fr 1fr .7fr 30px;gap:8px;align-items:end;margin:14px 0}.remove-grade-row{height:38px;border:1px solid var(--line);border-radius:9px;background:var(--bg);color:var(--muted)}.student-tool-box .btn{font-size:12px;margin-top:12px;padding:10px 16px}.previous-grade-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px;border:1px solid var(--line);border-radius:12px;padding:13px;margin:20px 0 8px}.previous-grade-fields legend{font-size:10px;color:var(--muted);padding:0 5px}.student-calculator-result{display:block;white-space:pre-line;font-size:13px;color:var(--cyan);line-height:2;margin-top:18px}.student-calculator-result:empty{display:none}.grade-scale{margin-top:24px;border:1px solid var(--line);border-radius:12px;padding:15px}.grade-scale h4{margin:0 0 8px;font-size:13px}.grade-scale>div{display:flex;justify-content:space-between;font-size:11px;gap:12px;padding:7px 0;color:var(--muted)}.grade-scale strong{color:var(--text)}@media(max-width:850px){.student-calculators{grid-template-columns:1fr}}@media(max-width:480px){.student-tool-box{padding:16px}.grade-course-row{grid-template-columns:1fr 1fr 30px}.grade-course-row>input{grid-column:1/-1}.student-tool-box h3{font-size:16px}}

.student-launch-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;max-width:800px;margin:28px auto}.student-launch,.coming-service-button{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:17px;padding:24px 16px;color:var(--text);text-align:center}.student-launch:hover,.coming-service-button:hover{border-color:var(--cyan)}.student-launch>span{font-size:30px;color:var(--cyan)}.student-launch small,.coming-service-button small{font-size:11px;color:var(--muted)}.student-calculator-panel{max-width:760px}.student-calculator-panel .student-calculators{display:block;margin:0}.student-tool-box[hidden]{display:none!important}.technical-skills-grid,.coming-services{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:13px;margin-top:26px}.technical-skill-card{display:flex;flex-direction:column;align-items:center;gap:14px;padding:19px 12px;border:1px solid var(--line);border-radius:16px;background:var(--surface);text-align:center}.technical-skill-card:hover{border-color:var(--cyan)}.skill-number{font-size:9px;color:var(--muted);direction:ltr;letter-spacing:1px}.skill-symbol{display:grid;place-items:center;width:54px;height:54px;border:1px solid var(--line);border-radius:15px;color:var(--cyan);background:var(--bg)}.skill-symbol svg{width:28px;height:28px}.technical-skill-card h3{font-size:14px;line-height:1.7;margin:0}.technical-skill-card p{font-size:10px;color:var(--muted);margin:0;flex:1}.skill-course-label{font-size:10px;color:#ff667b}.coming-service-button{padding:19px 12px}.coming-service-button>span{font-size:24px;color:var(--cyan)}.coming-service-button strong{font-size:12px;line-height:1.8}.developer-card{max-width:650px;margin:25px auto 0;border:1px solid var(--line);border-radius:20px;background:var(--surface);padding:27px;text-align:center}.developer-code{font:800 35px monospace;color:var(--cyan)}.developer-card h3{font-size:18px}.developer-card p{font-size:12px;color:var(--muted)}@media(max-width:1000px){.technical-skills-grid,.coming-services{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:600px){.technical-skills-grid,.coming-services{grid-template-columns:repeat(2,minmax(0,1fr))}.student-launch-buttons{grid-template-columns:1fr}.student-calculator-panel{padding:14px}}

.coming-custom-icon{display:grid;place-items:center;width:46px;height:46px;border:1px solid var(--line);border-radius:13px;background:var(--bg)}.coming-custom-icon svg{width:25px;height:25px}.developer-profile{padding:35px 22px;background:linear-gradient(145deg,var(--surface),var(--bg));max-width:700px}.developer-portrait-frame{width:172px;height:172px;margin:0 auto 22px;border-radius:50%;padding:5px;border:1px solid rgba(69,229,255,.6);background:linear-gradient(135deg,var(--cyan),var(--blue));box-shadow:0 0 20px rgba(69,229,255,.2),0 0 35px rgba(47,145,255,.12)}.developer-portrait-frame img{display:block;width:100%;height:100%;border-radius:50%;object-fit:cover;object-position:64% 30%;border:3px solid var(--bg)}.developer-profile .developer-name{font-family:system-ui,sans-serif;font-size:27px;font-weight:800;letter-spacing:4px;color:var(--text);margin:0 0 15px}.developer-profile .developer-study{font-family:Georgia,serif;font-style:italic;font-size:14px;letter-spacing:.5px;line-height:1.9;max-width:540px;margin:0 auto 9px;color:#b8cbe2}.developer-profile .developer-study span{color:var(--cyan)}.developer-profile .developer-specialty{font-family:Georgia,serif;font-style:italic;font-size:17px;letter-spacing:1.5px;color:var(--cyan);margin:0 0 23px}.developer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.developer-links a{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:11px 18px;border-radius:12px;font-size:12px;font-weight:800;min-height:45px}.developer-links svg{width:20px;height:20px}.developer-site-button{background:var(--blue);color:white;border:1px solid var(--blue)}.developer-instagram-button{background:var(--surface);border:1px solid #dd77b7;color:#f6b9dd}.developer-links a:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}.developer-site-button:hover{background:#267ddd}.developer-instagram-button:hover{border-color:#f6b9dd}@media(max-width:480px){.developer-profile{padding:27px 15px}.developer-portrait-frame{width:148px;height:148px}.developer-profile .developer-name{font-size:23px;letter-spacing:3px}.developer-profile .developer-study{font-size:12px}.developer-profile .developer-specialty{font-size:15px}}

/* Dark rotating developer frame; animate only the decorative layer. */
.developer-portrait-frame{position:relative;isolation:isolate;padding:8px;border:1px solid #233649;background:#060b15;box-shadow:0 8px 24px #0008,0 0 22px #152b4966}
.developer-portrait-frame::before{content:"";position:absolute;inset:1px;border-radius:50%;z-index:-1;background:conic-gradient(from 0deg,#080e1a 0deg,#14273e 60deg,#284867 90deg,#080e1a 135deg,#080e1a 180deg,#14273e 240deg,#284867 270deg,#080e1a 315deg);animation:developer-frame-orbit 12s linear infinite}
.developer-portrait-frame::after{content:"";position:absolute;inset:-5px;border-radius:50%;border:1px dashed #223952;opacity:.65;z-index:-2;animation:developer-frame-orbit 28s linear infinite reverse}
.developer-portrait-frame img{object-position:center;border:3px solid #080e18;background:#35363a}
@keyframes developer-frame-orbit{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.developer-portrait-frame::before,.developer-portrait-frame::after{animation:none}}