/* =========================================================
   PMX 공통 디자인 시스템 (색상/리셋/앱 셸/카드/버튼/칩/하단탭바/모달)
   화면별 콘텐츠 스타일은 /css/main.css, board.css, lesson.css, member.css, mypage.css, order.css 로 분리되어 있다.
   ========================================================= */
:root{
  --pmx-primary:#602bd9;
  --pmx-primary-2:#8b5cf6;
  --pmx-bg:#f7f7fa;
  --pmx-surface:#fff;
  --pmx-text:#111827;
  --pmx-muted:#6b7280;
  --pmx-line:#e5e7eb;
  --pmx-success:#10b981;
  --pmx-warning:#f59e0b;
  --pmx-danger:#ef4444;
  --pmx-radius:16px;
  --pmx-shadow:0 6px 24px rgba(17,24,39,.08);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--pmx-bg);color:var(--pmx-text);font-family:Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans KR",sans-serif}
body{min-width:320px}
a{text-decoration:none;color:inherit}
.pmx-app{max-width:480px;min-height:100vh;margin:0 auto;background:#fff;position:relative;padding-bottom:78px;box-shadow:0 0 0 1px rgba(17,24,39,.04)}
.pmx-page{padding:16px 16px 28px}
.pmx-topbar{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--pmx-line);position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);z-index:20}
.pmx-topbar-title{font-size:17px;font-weight:800}
.pmx-topbar-apart-select{border:0;background:transparent;color:inherit;font:inherit;padding:0;max-width:140px;text-overflow:ellipsis}
.pmx-icon-btn{width:38px;height:38px;border:0;background:transparent;border-radius:12px;display:grid;place-items:center;font-size:20px;color:#111827}
.pmx-icon-btn:hover{background:#f4f4f6}
.pmx-section{margin-top:24px}
.pmx-section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.pmx-section-title h2{font-size:16px;font-weight:800;margin:0}
.pmx-more{font-size:12px;color:var(--pmx-muted)}
.pmx-card{background:var(--pmx-surface);border:1px solid var(--pmx-line);border-radius:var(--pmx-radius);box-shadow:var(--pmx-shadow)}
.pmx-btn-primary{width:100%;border:0;border-radius:12px;padding:14px 18px;background:linear-gradient(135deg,var(--pmx-primary),#7424df);color:#fff;font-size:15px;font-weight:800;box-shadow:0 8px 18px rgba(96,43,217,.18)}
.pmx-btn-primary:active{transform:translateY(1px)}
.pmx-btn-primary[disabled]{background:#c7c9ce;box-shadow:none;pointer-events:none;cursor:not-allowed}
.pmx-btn-sm{width:auto;flex-shrink:0;padding:10px 14px;font-size:13px;border-radius:10px;box-shadow:none}
.pmx-chip-row{display:flex;gap:8px;overflow:auto;padding-bottom:4px;scrollbar-width:none}
.pmx-chip-row::-webkit-scrollbar{display:none}
.pmx-chip{white-space:nowrap;border:1px solid var(--pmx-line);background:#f6f7f9;border-radius:999px;padding:7px 13px;font-size:12px;font-weight:700}
.pmx-chip.active{background:var(--pmx-primary);border-color:var(--pmx-primary);color:#fff}
.pmx-bottom-nav{position:fixed;left:50%;bottom:0;transform:translateX(-50%);width:min(480px,100%);height:70px;background:#fff;border-top:1px solid var(--pmx-line);display:grid;grid-template-columns:repeat(5,minmax(0,1fr));z-index:30}
.pmx-nav-item{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;min-width:0;font-size:10px;color:#6b7280}
.pmx-nav-item span{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pmx-nav-item i{font-size:20px}
.pmx-nav-item svg{width:20px;height:20px}
.pmx-nav-item.active{color:var(--pmx-primary);font-weight:800}
.pmx-empty{padding:24px 4px;text-align:center;color:var(--pmx-muted);font-size:13px}
.modal-content{border:1px solid var(--pmx-line);border-radius:var(--pmx-radius);box-shadow:var(--pmx-shadow)}
.modal-header{padding:16px 18px;border-bottom:1px solid var(--pmx-line)}
.modal-header .modal-title{font-size:16px;font-weight:800;color:var(--pmx-text)}
.modal-body{padding:18px;font-size:14px;color:var(--pmx-text)}
.modal-body .form-control{border-radius:10px;border-color:var(--pmx-line)}
.modal-body .form-control:focus{border-color:var(--pmx-primary);box-shadow:0 0 0 .2rem rgba(96,43,217,.15)}
.modal-footer{padding:14px 18px;border-top:1px solid var(--pmx-line)}
.modal-footer .btn{border-radius:10px;font-weight:700;font-size:13px;padding:9px 16px}
.modal-footer .btn-primary{background:linear-gradient(135deg,var(--pmx-primary),#7424df);border-color:transparent}
.modal-footer .btn-light,.modal-footer .btn-secondary{background:#f6f7f9;border-color:var(--pmx-line);color:var(--pmx-text)}

/* =========================================================
   PMX Responsive Layout (공통 셸 요소만)
   1) Mobile (<768px): original 480px app UI is preserved.
   2) Tablet (768~1199px): full-width responsive content + 2-column grids.
   3) Desktop (>=1200px): wide web layout + left navigation + 3-column grids.
   ========================================================= */
@media (max-width: 767.98px){
  body{background:var(--pmx-bg);padding:0}
  .pmx-app{width:100%;max-width:480px;min-height:100vh;margin:0 auto;padding-bottom:78px;border-radius:0;overflow:visible}
  .pmx-app.with-nav{padding-left:0}
  .pmx-page{padding:16px 16px 28px}
  .pmx-topbar{height:58px;padding:0 16px;border-radius:0}
  .pmx-bottom-nav{position:fixed;left:50%;right:auto;top:auto;bottom:0;transform:translateX(-50%);width:min(480px,100%);height:70px;grid-template-columns:repeat(5,minmax(0,1fr));grid-template-rows:1fr;border:0;border-top:1px solid var(--pmx-line);border-radius:0;box-shadow:none}
}

@media (min-width:768px) and (max-width:1199.98px){
  body{padding:20px;background:#f3f4f8}
  .pmx-app{width:100%;max-width:960px;min-height:calc(100vh - 40px);margin:0 auto;padding-bottom:82px;border-radius:22px;overflow:hidden;box-shadow:0 12px 40px rgba(17,24,39,.08)}
  .pmx-app.with-nav{padding-left:0}
  .pmx-page{padding:26px 28px 36px}
  .pmx-topbar{height:66px;padding:0 28px;border-radius:22px 22px 0 0}
  .pmx-topbar-title{font-size:19px}
  .pmx-bottom-nav{position:fixed;left:50%;right:auto;top:auto;bottom:20px;transform:translateX(-50%);width:calc(100% - 40px);max-width:960px;height:64px;grid-template-columns:repeat(5,minmax(0,1fr));grid-template-rows:1fr;border:1px solid var(--pmx-line);border-radius:18px;box-shadow:0 10px 28px rgba(17,24,39,.12);overflow:hidden}
  .pmx-nav-item{font-size:11px;gap:4px;border-right:1px solid #f0f1f4}
  .pmx-nav-item:last-child{border-right:0}
  .pmx-nav-item i{font-size:21px}
  .pmx-nav-item svg{width:21px;height:21px}
  .pmx-section{margin-top:28px}
  .pmx-section-title h2{font-size:18px}
  .pmx-more{font-size:13px}
  .pmx-chip-row{overflow:visible;flex-wrap:wrap}
  .pmx-chip{padding:9px 15px;font-size:13px}
}

@media (min-width:1200px){
  body{padding:24px;background:#f3f4f8}
  .pmx-app{width:100%;max-width:1180px;min-height:calc(100vh - 48px);margin:0 auto;border-radius:22px;overflow:visible;box-shadow:0 12px 40px rgba(17,24,39,.08)}
  .pmx-app.with-nav{padding-left:104px;padding-bottom:0}
  .pmx-page{padding:34px 42px 48px}
  .pmx-topbar{height:68px;padding:0 42px;border-radius:22px 22px 0 0}
  .pmx-topbar-title{font-size:20px}
  .pmx-bottom-nav{position:fixed;left:max(24px,calc(50% - 590px + 12px));top:36px;bottom:auto;transform:none;width:80px;height:calc(100vh - 72px);max-height:760px;grid-template-columns:1fr;grid-template-rows:repeat(5,1fr);border:1px solid var(--pmx-line);border-radius:18px;box-shadow:var(--pmx-shadow);overflow:hidden}
  .pmx-nav-item{font-size:11px;gap:7px;border-bottom:1px solid #f0f1f4}
  .pmx-nav-item:last-child{border-bottom:0}
  .pmx-nav-item i{font-size:22px}
  .pmx-nav-item svg{width:22px;height:22px}
  .pmx-nav-item:hover{background:#f8f7ff;color:var(--pmx-primary)}
  .pmx-section{margin-top:30px}
  .pmx-section-title h2{font-size:18px}
  .pmx-more{font-size:13px}
  .pmx-chip-row{overflow:visible;flex-wrap:wrap}
  .pmx-chip{padding:9px 16px;font-size:13px}
}

@media (min-width:1440px){
  .pmx-app{max-width:1280px}
  .pmx-bottom-nav{left:max(24px,calc(50% - 640px + 12px))}
}