:root{--bg: rgba(255, 255, 255, .42);--bg-2: #edf3fb;--surface: rgba(255, 255, 255, .55);--shadow-dark: #c9d3e2;--shadow-light: #ffffff;--accent: #1cb5e0;--accent-dark: #189fc4;--accent-press-d: #159ac0;--accent-press-l: #23c8f5;--text: #1f2530;--text-2: #41495a;--muted: #8a92a3;--ok: #22b07d;--warn: #e0972b;--danger: #e0574f;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--glass: rgba(255, 255, 255, .55);--glass-2: rgba(255, 255, 255, .35);--glass-strong: rgba(255, 255, 255, .7);--glass-border: rgba(255, 255, 255, .65);--glass-shadow: 0 8px 30px rgba(30, 41, 59, .13);--radius: 10px;--radius-sm: 7px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;color:var(--text-2);font-family:var(--font);-webkit-font-smoothing:antialiased;background:radial-gradient(900px 500px at 8% -5%,rgba(28,181,224,.22),transparent 60%),radial-gradient(800px 480px at 100% 0%,rgba(124,92,250,.18),transparent 55%),radial-gradient(700px 500px at 90% 100%,rgba(34,176,125,.15),transparent 55%),linear-gradient(135deg,#eaf0fb,#f2edfb 45%,#e7f6fb);background-attachment:fixed}button,input,select{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.admin-shell{display:flex;min-height:100vh}.admin-content{flex:1;min-width:0}.admin-main{padding:24px 36px 44px;min-width:0}.admin-sidebar{width:244px;flex-shrink:0;padding:26px 20px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:2px 8px 30px}.sidebar-brand strong{display:block;font-size:15px;font-weight:600;color:var(--text)}.sidebar-brand span{display:block;font-size:11px;color:var(--muted);margin-top:1px}.sidebar-label{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:0 12px 14px}.sidebar-nav{display:flex;flex-direction:column;gap:14px}.sidebar-link{display:flex;align-items:center;gap:13px;padding:13px 16px;border-radius:var(--radius-sm);font-size:13.5px;font-weight:500;color:var(--text-2);border:1px solid transparent;transition:color .15s ease,background .15s ease,border-color .15s ease}.sidebar-link:hover:not(.active){color:var(--text);background:#ffffff59}.sidebar-link.active{color:var(--accent-dark);background:var(--glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);box-shadow:0 4px 14px #1e293b1a}.sidebar-foot{margin-top:auto;padding:14px 16px}.sidebar-foot .foot-label{display:block;font-size:10.5px;color:var(--muted);margin-bottom:4px}.sidebar-foot strong{display:block;font-size:12.5px;font-weight:500;color:var(--text)}.sidebar-foot .foot-mid{display:block;font-size:10.5px;color:var(--muted);margin-top:3px}.foot-logout{margin-top:11px;width:100%;border:0;cursor:pointer;background:transparent;color:var(--accent-dark);font-family:var(--font);font-size:11.5px;font-weight:500;display:flex;align-items:center;gap:6px;padding:8px 0 0;border-top:1px solid #d5dbe4}.foot-logout:hover{color:var(--text)}.topbar{height:70px;padding:16px 34px 0;display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.top-search{width:350px;height:38px;padding:0 13px;display:flex;align-items:center;gap:8px}.top-search input{width:100%;border:0;outline:0;background:transparent;color:var(--text);font-size:11.5px}.top-profile{display:flex;align-items:center;gap:9px}.top-icon{position:relative;border:0;background:transparent;width:32px;height:32px;display:grid;place-items:center}.top-icon i{position:absolute;width:5px;height:5px;border-radius:50%;background:var(--accent);right:2px;bottom:2px}.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#ffffff6b;color:var(--accent-dark);font-size:11px;font-weight:700}.profile-copy{display:flex;flex-direction:column;min-width:80px}.profile-copy strong{font-size:11.5px;color:var(--text)}.profile-copy span{font-size:9.5px;color:var(--muted)}.page-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.page-header p{margin-bottom:0}.header-actions{display:flex;gap:10px}.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin:28px 0 24px}.metric-card{min-height:152px;padding:25px 26px;display:flex;flex-direction:column;justify-content:flex-start}.metric-top{display:flex;justify-content:space-between;align-items:flex-start}.metric-icon{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;box-shadow:4px 5px 12px #8f9db233,-4px -4px 10px #ffffffb3}.metric-icon.hot{background:var(--accent);box-shadow:0 8px 16px #1cb5e047}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(310px,.9fr);gap:20px;align-items:start}.dashboard-side{display:flex;flex-direction:column;gap:16px}.panel-title{color:var(--text);font-size:13px;font-weight:650}.panel-sub{color:var(--muted);font-size:10.5px;margin:4px 0 20px}.funnel-panel,.payment-summary{padding:22px 24px}.funnel-row{display:grid;grid-template-columns:88px 1fr 32px;gap:9px;align-items:center;margin:12px 0}.funnel-row>span{color:var(--muted);font-size:10px}.funnel-track{height:20px;border-radius:12px;background:#dce5f1;overflow:hidden}.funnel-track i{display:flex;align-items:center;height:100%;min-width:7px;border-radius:12px;background:linear-gradient(90deg,#19aade,#44bfe3);font-style:normal}.funnel-track b{padding-left:9px;color:#fff;font-size:9px}.funnel-row em{color:var(--muted);font-size:9px;text-align:right;font-style:normal}.summary-stat{display:flex;justify-content:space-between;gap:14px;padding:7px 0;font-size:10.5px}.summary-stat span{color:var(--muted)}.summary-stat strong{color:var(--text);font-weight:600}.btn-sm{padding:9px 12px;font-size:12px;border-radius:var(--radius-sm)}.btn-md{padding:10px 16px;font-size:13px}.section-block{margin-bottom:24px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:12px}.section-heading.compact{padding:16px 18px 4px}.section-heading h2{margin:0 0 3px;font-size:15px;font-weight:600;color:var(--text)}.section-heading p{margin:0;font-size:12px;color:var(--muted)}.count-label{font-size:11px;color:var(--ok);font-weight:600}.link-list{display:flex;flex-direction:column;gap:11px}.reusable-row{padding:15px 16px;display:grid;grid-template-columns:minmax(260px,1.5fr) minmax(100px,.5fr) minmax(110px,.6fr) auto;align-items:center;gap:20px}.link-main{display:flex;align-items:center;min-width:0;gap:12px}.course-mark{width:40px;height:40px;flex:0 0 40px;border-radius:var(--radius-sm);display:grid;place-items:center;background:#fff6;border:1px solid var(--glass-border)}.link-title{color:var(--text);font-size:13px;font-weight:600}.link-url{color:var(--muted);font-size:10.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:3px}.link-amount,.link-stats{display:flex;flex-direction:column;gap:3px}.link-amount span,.link-stats span{font-size:10.5px;color:var(--muted)}.link-amount strong,.link-stats strong{font-size:13px;color:var(--text);font-weight:600}.link-actions{display:flex;gap:8px}.table-panel{overflow:hidden;padding:4px 0 8px}.table-scroll{overflow-x:auto}.tiny{font-size:10px;color:var(--muted);margin-top:2px}.summary-strip{display:flex;gap:36px;padding:13px 18px;margin-bottom:16px;border-top:1px solid #d5dbe4;border-bottom:1px solid #d5dbe4}.summary-strip div{display:flex;flex-direction:column;gap:2px}.summary-strip span{color:var(--muted);font-size:10.5px}.summary-strip strong{color:var(--text);font-size:13px}.search-box{display:flex;align-items:center;gap:8px;padding:9px 12px;min-width:250px}.search-box input{width:100%;border:0;outline:0;background:transparent;color:var(--text);font-size:12px}.quick-link-list{display:flex;flex-direction:column;gap:7px;margin-bottom:11px}.quick-link{display:flex;align-items:center;gap:7px}.quick-link-name{flex:1;display:flex;justify-content:space-between;gap:10px;background:transparent;border:0;padding:7px 9px;cursor:pointer;color:var(--text-2);text-align:left;border-radius:8px}.quick-link-name:hover{background:#dfe5ec}.quick-link-name span{font-size:11.5px}.quick-link-name strong{font-size:11.5px;color:var(--text)}.icon-button{width:30px;height:30px;display:grid;place-items:center;border:0;background:transparent;cursor:pointer;border-radius:8px}.icon-button:hover{box-shadow:inset 3px 3px 6px var(--shadow-dark),inset -3px -3px 6px var(--shadow-light)}.student-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px 18px}.student-card{width:min(880px,100%)}.student-card.empty-state{max-width:420px;padding:32px;text-align:center}.student-card.empty-state h1{font-size:18px;color:var(--text)}.student-card.empty-state p{color:var(--muted);font-size:13px}.student-brand{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.brand-group{display:flex;align-items:center;gap:12px}.brand-group div{display:flex;flex-direction:column}.brand-group strong{color:var(--text);font-size:15px}.brand-group span,.secure-label{color:var(--muted);font-size:11px}.secure-label{display:flex;align-items:center;gap:5px}.checkout-grid{display:grid;grid-template-columns:.95fr 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rgba(255,255,255,.6)}.pill-paid{color:var(--ok)}.pill-pending{color:var(--warn)}.pill-expired{color:var(--muted)}.pill-failed{color:var(--danger)}.mono{font-family:var(--mono)}.muted{color:var(--muted)}.accent{color:var(--accent-dark)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#cfd6df;border-radius:8px;border:2px solid var(--bg)}@keyframes rnxpop{0%{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}.pop{animation:rnxpop .25s ease}@keyframes rnxspin{to{transform:rotate(360deg)}}.spinner{width:40px;height:40px;margin:0 auto;border-radius:50%;border:4px solid #d5dbe4;border-top-color:var(--accent);animation:rnxspin .8s linear infinite}@keyframes rnxpulse{0%,to{opacity:.5}50%{opacity:1}}.pay-option{transition:transform .12s ease,box-shadow .15s ease,background .15s ease}.pay-option:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 24px #1e293b26}.pay-option:active:not(:disabled){transform:translateY(0) 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p{margin:0;color:var(--muted);font-size:11px}.form-grid.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.form-divider{height:1px;background:#d7dfeb;margin:28px 0 24px}.method-selector{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.method-option{border:1px solid var(--glass-border);cursor:pointer;background:#ffffff4d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);min-height:72px;padding:12px;border-radius:var(--radius);display:flex;align-items:center;gap:10px;text-align:left;color:var(--muted);box-shadow:0 4px 14px #1e293b14;transition:border-color .15s ease,background .15s ease}.method-option>div{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.method-option strong{color:var(--text);font-size:11.5px}.method-option span{color:var(--muted);font-size:9.5px;line-height:1.35}.method-option.selected{border-color:#1cb5e061;background:#ffffff80;box-shadow:inset 3px 3px 8px #adb9ca52,inset -3px -3px 8px #ffffffb8}.create-summary{padding:24px;position:sticky;top:28px}.summary-course{background:#ffffff59;border:1px solid var(--glass-border);border-radius:var(--radius);padding:14px;margin:21px 0 13px}.summary-course span,.summary-line span,.summary-total span{display:block;color:var(--muted);font-size:10px;margin-bottom:4px}.summary-course strong{display:block;color:var(--text);font-size:12px;line-height:1.4}.summary-line{display:flex;justify-content:space-between;gap:14px;padding:10px 2px;border-bottom:1px solid #d7dfeb}.summary-line span{margin:0}.summary-line strong{color:var(--text-2);font-size:11px;text-align:right}.summary-total{margin:20px 0 16px}.summary-total strong{color:var(--text);font-size:29px;letter-spacing:-.5px}.generate-button{width:100%;padding:14px;font-size:13px}.summary-security{display:flex;align-items:center;justify-content:center;gap:5px;color:var(--muted);font-size:10px;margin-top:12px}.created-result{padding:22px;margin-top:20px;max-width:780px}@media (max-width: 1050px){.metrics-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr}.dashboard-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.reusable-row{grid-template-columns:minmax(250px,1fr) repeat(2,minmax(100px,.4fr))}.link-actions{grid-column:1 / -1;justify-content:flex-end}.create-layout{grid-template-columns:1fr}.create-summary{position:static}}@media (max-width: 760px){.admin-shell{display:block}.admin-sidebar{position:static;width:100%;height:auto;flex-direction:row;overflow-x:auto;padding:12px}.sidebar-brand,.sidebar-foot,.sidebar-label{display:none}.sidebar-nav{flex-direction:row;gap:10px}.sidebar-link{white-space:nowrap;padding:9px 13px}.admin-main{padding:20px 14px 32px}.topbar{display:none}.page-header{align-items:flex-start;flex-direction:column}.header-actions{width:100%;flex-wrap:wrap}.header-actions .btn,.page-header>.btn{flex:1}.dashboard-side{display:flex}.reusable-row{grid-template-columns:1fr 1fr;gap:14px}.link-main{grid-column:1 / -1}.link-actions{grid-column:1 / -1;justify-content:stretch}.link-actions .btn{flex:1}.search-box{min-width:100%;width:100%}.summary-strip{gap:18px;overflow-x:auto}.summary-strip div{min-width:120px}.checkout-grid{grid-template-columns:1fr}.student-card.wide{max-width:480px}.form-grid.two,.method-selector{grid-template-columns:1fr}}@media (max-width: 480px){.metrics-grid{grid-template-columns:1fr}.student-brand{align-items:flex-start}.secure-label{display:none}.checkout-summary,.details-form{padding:22px 18px}.reusable-row{grid-template-columns:1fr}.link-main,.link-actions{grid-column:1}}.tab-pill{flex:1;cursor:pointer;background:transparent;font-family:var(--font);font-size:13px;font-weight:500;padding:10px;border-radius:var(--radius-sm);color:var(--muted);border:1px solid transparent;transition:color .15s ease,background .15s ease,border-color .15s ease}.tab-pill.on{color:var(--accent-dark);background:var(--glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);box-shadow:0 3px 12px #1e293b1a}