:root{--study-bg:#071522;--study-panel:#0b2032;--study-panel-2:#0d2940;--study-line:rgba(120,185,220,.16);--study-cyan:#4cc9f0;--study-green:#5ee3a2;--study-text:#eef7fb;--study-muted:#91a9bb}
.stock-study-page{background:radial-gradient(circle at 80% 10%,rgba(76,201,240,.08),transparent 32%),var(--study-bg);color:var(--study-text)}
.stock-study-shell{max-width:1220px}.study-hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.75fr);gap:50px;align-items:center;padding:55px 0 72px}.study-hero h1{margin:12px 0 16px;font-size:clamp(3rem,7vw,5.7rem);line-height:.96;letter-spacing:-.06em}.study-hero h1 span{color:var(--study-cyan)}.study-hero p{max-width:740px;margin:0 0 22px;color:var(--study-muted);font-size:1.02rem;line-height:1.75}
.study-board{padding:23px;border:1px solid rgba(76,201,240,.19);border-radius:24px;background:linear-gradient(155deg,#102d45,#081a2a);box-shadow:0 25px 55px rgba(0,0,0,.25);transform:rotate(1deg)}.board-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.09);font-size:1rem;font-weight:900}.board-top i{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:var(--study-green);color:#052619;font-style:normal}.study-board>div:not(.board-top){display:grid;grid-template-columns:45px 1fr auto;gap:11px;align-items:center;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08)}.study-board b{display:grid;place-items:center;width:41px;height:41px;border-radius:12px;background:rgba(76,201,240,.12);color:#78ddf6}.study-board small{color:#7be9b3;font-weight:900}.study-board>p{margin:16px 0 0;color:#8faabd;font-size:.76rem;text-align:center}
.study-builder{scroll-margin-top:25px;padding:30px;border:1px solid var(--study-line);border-radius:26px;background:linear-gradient(155deg,rgba(13,41,64,.94),rgba(8,25,39,.96));box-shadow:0 25px 55px rgba(0,0,0,.2)}.builder-heading{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:22px}.builder-heading h2,.download-panel h2,.study-how h2{margin:6px 0 0;font-size:clamp(2rem,5vw,3.4rem);line-height:1.05;letter-spacing:-.04em}.builder-heading>p{max-width:420px;margin:0;color:var(--study-muted);font-size:.84rem;line-height:1.6;text-align:right}
.identity-card{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:13px;margin-bottom:16px;padding:18px;border:1px solid var(--study-line);border-radius:18px;background:rgba(4,16,27,.45)}.identity-card label{display:grid;gap:7px;color:#c4d4df;font-size:.78rem;font-weight:850}.identity-card em{color:#708a9f;font-style:normal;font-weight:600}.identity-card input,.schedule-card input,.schedule-card select{width:100%;min-width:0;min-height:44px;border:1px solid rgba(255,255,255,.1);border-radius:10px;background:#071827;color:#f3f8fc;padding:0 11px;font:inherit;font-size:.86rem;outline:none}.identity-card input:focus,.schedule-card input:focus,.schedule-card select:focus{border-color:rgba(76,201,240,.6);box-shadow:0 0 0 3px rgba(76,201,240,.09)}
.schedule-card{overflow:hidden;border:1px solid var(--study-line);border-radius:19px;background:rgba(5,18,29,.66)}.table-scroll{overflow-x:auto;scrollbar-color:#31526d #091522;scrollbar-width:thin}.schedule-card table{width:100%;min-width:930px;border-collapse:collapse}.schedule-card th{padding:13px 10px;background:#092b42;color:#cce4f0;text-align:left;font-size:.69rem;letter-spacing:.055em;text-transform:uppercase}.schedule-card td{padding:9px;border-bottom:1px solid rgba(255,255,255,.065);vertical-align:middle}.schedule-card tbody tr:last-child td{border-bottom:0}.schedule-card td:nth-child(1){width:140px}.schedule-card td:nth-child(2){min-width:220px}.schedule-card td:nth-child(3),.schedule-card td:nth-child(4){width:125px}.schedule-card td:nth-child(5){min-width:230px}.schedule-card td:last-child{width:52px}.remove-row{display:grid;place-items:center;width:35px;height:35px;border:1px solid rgba(255,110,110,.18);border-radius:10px;background:rgba(255,110,110,.07);color:#ffb7b7;font-size:18px;cursor:pointer}.remove-row:hover{background:rgba(255,110,110,.14)}
.table-actions{display:flex;justify-content:space-between;gap:10px;padding:15px;border-top:1px solid var(--study-line)}.study-button{display:inline-flex;align-items:center;justify-content:center;min-height:43px;padding:0 15px;border:1px solid rgba(255,255,255,.12);border-radius:11px;background:rgba(255,255,255,.035);color:#d3e2ec;font:inherit;font-size:.8rem;font-weight:900;cursor:pointer}.study-button:hover{border-color:rgba(76,201,240,.4);color:#fff}.study-button--primary{border:0;background:var(--study-cyan);color:#052034}.study-button--share{border-color:rgba(94,227,162,.34);background:rgba(94,227,162,.11);color:#7be9b3}.study-button--danger{border-color:rgba(255,110,110,.2);color:#ffb7b7}.empty-state{padding:38px 18px;text-align:center}.empty-state span{display:block;font-size:40px}.empty-state b{display:block;margin:7px 0 3px;font-size:1.2rem}.empty-state p{margin:0;color:var(--study-muted);font-size:.83rem}
.download-panel{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;margin-top:18px;padding:23px;border:1px solid rgba(94,227,162,.19);border-radius:19px;background:rgba(94,227,162,.055)}.download-panel h2{font-size:2rem}.download-panel p{max-width:620px;margin:7px 0 0;color:var(--study-muted);font-size:.82rem;line-height:1.6}.download-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:9px}.status-message{grid-column:1/-1;min-height:1.1em;margin:0!important;color:#7be9b3!important;font-weight:800}.status-message.error{color:#ffb7b7!important}
.study-how{padding:72px 0 36px}.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:25px}.how-grid article{padding:21px;border:1px solid var(--study-line);border-radius:18px;background:rgba(11,32,50,.58)}.how-grid article>span{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:rgba(76,201,240,.12);color:#71d8f3;font-weight:950}.how-grid h3{margin:12px 0 5px;font-size:1.15rem}.how-grid p{margin:0;color:var(--study-muted);font-size:.83rem;line-height:1.65}.study-tip{display:grid;grid-template-columns:auto 1fr;gap:13px;margin-top:16px;padding:18px;border:1px solid rgba(94,227,162,.17);border-radius:16px;background:rgba(94,227,162,.055)}.study-tip span{font-size:25px}.study-tip p{margin:0;color:#a9bdca;font-size:.83rem;line-height:1.65}.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}
@media(max-width:900px){.study-hero{grid-template-columns:1fr}.study-board{max-width:620px;transform:none}.builder-heading,.download-panel{align-items:start;grid-template-columns:1fr;flex-direction:column}.builder-heading>p{text-align:left}.identity-card{grid-template-columns:1fr 1fr}.identity-card label:first-child{grid-column:1/-1}.download-actions{justify-content:flex-start}}
@media(max-width:640px){.study-hero{padding:30px 0 48px}.study-hero h1{font-size:3.2rem}.study-builder{padding:17px;border-radius:20px}.identity-card{grid-template-columns:1fr}.identity-card label:first-child{grid-column:auto}.table-scroll{overflow:visible}.schedule-card table,.schedule-card tbody{display:block;min-width:0}.schedule-card thead{display:none}.schedule-card tr{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:11px;padding:16px;border-bottom:1px solid var(--study-line)}.schedule-card td,.schedule-card td:nth-child(n){display:block;width:auto;min-width:0;padding:0;border:0}.schedule-card td:nth-child(1),.schedule-card td:nth-child(2),.schedule-card td:nth-child(5){grid-column:1/-1}.schedule-card td:last-child{position:absolute;right:14px;top:14px}.schedule-card td:before{content:attr(data-label);display:block;margin-bottom:5px;color:#718a9d;font-size:.64rem;font-weight:900;letter-spacing:.06em;text-transform:uppercase}.schedule-card td:last-child:before{display:none}.table-actions,.download-actions{align-items:stretch;flex-direction:column}.table-actions button,.download-actions button{width:100%}.how-grid{grid-template-columns:1fr}.study-how{padding-top:55px}}
@media print{@page{size:A4 portrait;margin:10mm}.no-print,.site-header,.site-footer,.study-hero,.study-how,.mini-disclaimer,.download-panel,.builder-heading,.identity-card,.table-actions{display:none!important}body{background:#fff!important;color:#111!important}.page-shell{max-width:none!important;padding:0!important}.study-builder{padding:0;border:0;background:#fff;box-shadow:none}.schedule-card{border:0;background:#fff}.table-scroll{overflow:visible}.schedule-card table{min-width:0}.schedule-card th{background:#e7eef3!important;color:#111}.schedule-card input,.schedule-card select{border:0;background:#fff;color:#111;padding:0}.remove-row,.schedule-card th:last-child,.schedule-card td:last-child{display:none!important}}