/* 초보자 수업 화면 — 기존 비행 화면의 조작 영역과 구분한다. */
#beginner{display:block;overflow-y:auto;background:rgba(9,15,22,.98);padding:28px max(18px,env(safe-area-inset-right)) 44px;z-index:30}
#beginner[hidden],#edu-flight[hidden]{display:none!important}
.edu-shell{width:min(1160px,100%);margin:0 auto}
.edu-header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:12px}
.edu-header h1{font-size:32px;margin:8px 0}
.edu-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px;align-items:start}
.edu-layout aside,.edu-layout main{min-width:0}
.edu-section{padding:22px;background:var(--panel-solid);border:1px solid var(--line-2);border-radius:12px;margin-bottom:18px}
.edu-section h2{font-size:23px;margin-bottom:12px}.edu-section h3{font-size:18px;margin-bottom:12px}
.edu-section p{margin:10px 0}.edu-section .sub{font-size:13px;line-height:1.65}
.edu-section a{color:var(--accent);text-underline-offset:3px}
.edu-stages{padding:0;list-style:none;display:grid;gap:6px;margin:0}
.edu-stages li{display:flex;gap:12px;padding:11px 13px;color:var(--muted);border:1px solid transparent;border-radius:8px;align-items:center}
.edu-stages li>span{width:25px;height:25px;text-align:center;border-radius:50%;border:1px solid var(--line);font-family:var(--num)}
.edu-stages small{display:block;font-size:11px;margin-top:2px}.edu-stages .current{background:#173044;color:var(--text);border-color:var(--accent)}
.edu-stages .done{color:var(--ok)}.edu-message{color:var(--accent);min-height:1.5em;margin:10px 0 18px}.edu-warning{padding:12px 0;color:var(--warn)}
.edu-field{display:grid;gap:6px;margin:13px 0;font-size:14px}.edu-field input,.edu-field select,.edu-field textarea,.edu-grade-grid select,.edu-grade-grid input[type=number]{min-width:0;width:100%;padding:10px;border:1px solid var(--line);border-radius:6px;background:#09131d;color:var(--text)}
.edu-field textarea{min-height:85px;resize:vertical}.edu-checkbox{display:flex!important;align-items:center;gap:10px;margin:16px 0;font-size:14px}
.edu-checkbox input{width:19px;height:19px;flex:none;accent-color:var(--accent)}
.edu-grade-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:15px 0}.edu-grade-grid label{display:grid;gap:7px;font-size:14px}
.edu-step-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:16px}.edu-standard{font-size:13px;color:var(--ok)}
.edu-run{padding:14px 0;border-bottom:1px solid var(--line-2)}.edu-run:last-child{border-bottom:0}.edu-run p{margin:6px 0}
.edu-table-wrap{overflow:auto}.edu-table{width:100%;border-collapse:collapse;font-size:14px}.edu-table td,.edu-table th{padding:11px 10px;border:1px solid var(--line-2);text-align:left}.edu-table th{background:#173044}
#edu-flight{position:fixed;top:calc(var(--bar-h) + 14px);right:18px;z-index:45;width:min(380px,calc(100% - 36px));background:#112737;border:1px solid var(--accent);padding:12px 15px;border-radius:10px;box-shadow:0 6px 25px #0006;display:grid;gap:6px}
#edu-flight strong{font-size:16px}#edu-flight span{font-size:12px;color:var(--accent)}#edu-flight .btn{justify-self:start}
body.edu-flight #btn-view{opacity:.45}
@media(max-width:760px){.edu-layout{grid-template-columns:1fr}.edu-layout aside{display:flex;flex-direction:column}.edu-stages{grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:20px}.edu-stages li{padding:7px;font-size:12px}.edu-header{align-items:flex-start}.edu-header h1{font-size:25px}.edu-header .btn{font-size:12px;padding:8px 10px}.edu-section{padding:17px}.edu-grade-grid{grid-template-columns:1fr}.edu-step-head{align-items:flex-start;flex-direction:column}body.edu-flight .mission{top:calc(var(--bar-h) + 126px);max-height:calc(100% - var(--bar-h) - 320px)}#edu-flight{top:calc(var(--bar-h) + 7px);right:12px;left:12px;width:auto;padding:9px 12px;gap:3px}#edu-flight .btn{min-height:30px;padding:4px 9px}#beginner{padding-top:18px}}
@media print{#beginner,#edu-flight{display:none!important}#print-area .edu-section{border:0;padding:0;background:white;color:black}#print-area .edu-table td,#print-area .edu-table th{border:1px solid #aaa;padding:6px;background:white;color:black}#print-area .edu-section .sub{color:#333}.sheet h2{font-size:13pt;margin:14pt 0 6pt}}
@media(max-width:760px){.edu-layout{display:flex;flex-direction:column}.edu-layout main{order:0;width:100%}.edu-layout aside{order:1;width:100%}}
@media(max-width:760px) and (orientation:landscape){#edu-flight{left:auto;right:12px;top:calc(var(--bar-h) + 7px);width:245px}body.edu-flight .mission{top:calc(var(--bar-h) + 7px);width:250px;max-height:calc(100% - var(--bar-h) - var(--stick) - 40px)}}
@media print{.edu-print-review{break-inside:avoid;margin-top:14pt}.edu-print-review h2{break-after:avoid}.edu-print-review table{break-inside:avoid}}