/* ═══════════════════════════════════════════════════════════════════════
   LMS 사용자 페이지 마스터 디자인 시스템 (ismart 기반)
   /assets/css/user-master.css

   - 모든 사용자 페이지(홈/과정/학습지원/마이페이지 등)가 동일 시스템 사용
   - 시안별 색상 차이는 CSS 변수(--primary, --accent 등)로만 제어
   - user.css 다음에 로드되어 user.css를 보강/오버라이드

   PHP 7.x | mysqli 비의존 (순수 CSS)
   ═══════════════════════════════════════════════════════════════════════ */

/* ── 디자인 토큰 (ismart 마스터 팔레트) ─────────────────────────── */
:root {
  /* 기본 토큰은 user.css에서 정의되지만, 누락 시 대비 */
  --primary:       #1a6cf0;
  --primary-dark:  #0b52c2;
  --primary-light: #e8f1ff;
  --accent:        #00c896;
  --accent-dark:   #00a67a;
  --warning:       #f59e0b;
  --danger:        #ef4444;
  --gray-50:  #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --radius-sm:   6px;
  --radius:     10px;
  --radius-lg:  16px;
  --radius-xl:  20px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow:    0 4px 12px rgba(0,0,0,.07);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.1);
  --shadow-xl: 0 20px 48px rgba(0,0,0,.12);
  --font: 'Noto Sans KR','Apple SD Gothic Neo','Malgun Gothic',sans-serif;
  --transition: cubic-bezier(.4,0,.2,1);
  --max-w: 1200px;
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body.user-page { font-family: var(--font); font-size: 15px; color: var(--gray-800); background: #fff; line-height: 1.65; overflow-x: hidden; }
.user-page a { text-decoration: none; color: inherit; transition: color .2s var(--transition); }
.user-page img { max-width: 100%; vertical-align: middle; }
.user-page svg { flex-shrink: 0; }

.user-page .wrapper {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── GNB (마스터) ──────────────────────────────────────────────── */
.user-page #gnb {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--gray-200);
  backdrop-filter: blur(12px);
}
.user-page #gnb .wrapper,
.user-page #gnb .gnb-inner {
  display: flex;
  align-items: center;
  height: 68px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.user-page #gnb .gnb-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: 48px;
  flex-shrink: 0;
}
.user-page #gnb .gnb-logo .logo-mark,
.user-page #gnb .gnb-logo .logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
}
.user-page #gnb .gnb-logo .logo-text {
  font-size: 19px;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -.8px;
}
.user-page #gnb .gnb-menu {
  display: flex;
  align-items: center;
  flex: 1;
  height: 100%;
  list-style: none;
  margin: 0;
  padding: 0;
}
.user-page #gnb .gnb-menu > li {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}
.user-page #gnb .gnb-menu > li > a {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-700);
  position: relative;
  letter-spacing: -.3px;
}
.user-page #gnb .gnb-menu > li > a::after {
  content: '';
  position: absolute;
  left: 20px; right: 20px;
  bottom: -1px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px 2px 0 0;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .25s var(--transition);
}
.user-page #gnb .gnb-menu > li > a:hover { color: var(--primary); }
.user-page #gnb .gnb-menu > li:hover > a::after,
.user-page #gnb .gnb-menu > li.active > a::after { transform: scaleX(1); }
.user-page #gnb .gnb-menu > li .sub-menu,
.user-page #gnb .gnb-menu > li .gnb-sub {
  display: none;
  position: absolute;
  top: calc(100% + 1px);
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  min-width: 200px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  z-index: 999;
  list-style: none;
}
.user-page #gnb .gnb-menu > li:hover .sub-menu,
.user-page #gnb .gnb-menu > li:hover .gnb-sub {
  display: block;
  animation: fadeDown .2s var(--transition);
}
.user-page #gnb .gnb-menu > li .sub-menu a,
.user-page #gnb .gnb-menu > li .gnb-sub li a {
  display: block;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 400;
  color: var(--gray-600);
  white-space: nowrap;
}
.user-page #gnb .gnb-menu > li .sub-menu a:hover,
.user-page #gnb .gnb-menu > li .gnb-sub li a:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.user-page #gnb .gnb-menu > li .sub-menu a::after { display: none; }
.user-page #gnb .gnb-menu > li .sub-menu .sub-group {
  padding: 6px 0;
  border-bottom: 1px solid var(--gray-100);
}
.user-page #gnb .gnb-menu > li .sub-menu .sub-group:last-child { border-bottom: none; }
.user-page #gnb .gnb-menu > li .sub-menu .sub-group-label {
  padding: 8px 22px 4px;
  font-size: 11px;
  font-weight: 700;
  color: var(--gray-400);
  letter-spacing: .5px;
  text-transform: uppercase;
}

.user-page #gnb .gnb-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.user-page #gnb .gnb-btn {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  letter-spacing: -.2px;
  transition: all .2s var(--transition);
  text-decoration: none;
}
.user-page #gnb .gnb-btn-ghost {
  background: transparent;
  border: 1.5px solid var(--gray-300);
  color: var(--gray-600);
}
.user-page #gnb .gnb-btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.user-page #gnb .gnb-btn-primary { background: var(--primary); color: #fff; }
.user-page #gnb .gnb-btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 4px 14px rgba(26,108,240,.35);
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateX(-50%) translateY(-6px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ── 페이지 히어로(서브페이지 공통) ─────────────────────────── */
.user-page .page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 64px 24px 72px;
  margin-bottom: 36px;
  position: relative;
  overflow: hidden;
}
.user-page .page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 90% 50%, rgba(0,200,150,.20), transparent),
    radial-gradient(ellipse 50% 50% at 10% 100%, rgba(255,255,255,.08), transparent);
  pointer-events: none;
}
.user-page .page-hero .page-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.user-page .page-hero h2 {
  margin: 0 0 8px;
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -.6px;
  color: #fff;
}
.user-page .page-hero p {
  margin: 0;
  opacity: .9;
  font-size: 1rem;
  color: rgba(255,255,255,.92);
}

/* ── 컨텐츠 래퍼 ───────────────────────────────────────────── */
.user-page .site-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px 80px;
}
.user-page .site-wrap-md { max-width: 980px; }
.user-page .site-wrap-sm { max-width: 720px; }

/* ── 카드 (마스터) ─────────────────────────────────────────── */
.user-page .card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.user-page .card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.user-page .card-header h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-900);
}
.user-page .card-body { padding: 24px; }

/* ── 버튼 (마스터) ─────────────────────────────────────────── */
.user-page .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  font-size: .92rem;
  font-weight: 600;
  border: 1.5px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all .2s var(--transition);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: -.2px;
}
.user-page .btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.user-page .btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  box-shadow: 0 4px 14px rgba(26,108,240,.3);
  color: #fff;
}
.user-page .btn-outline {
  background: #fff;
  color: var(--primary);
  border-color: var(--primary);
}
.user-page .btn-outline:hover {
  background: var(--primary);
  color: #fff;
}
.user-page .btn-accent {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.user-page .btn-accent:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
}
.user-page .btn-ghost {
  background: transparent;
  color: var(--gray-700);
  border-color: var(--gray-300);
}
.user-page .btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.user-page .btn-lg { padding: 14px 32px; font-size: 1rem; }
.user-page .btn-sm { padding: 6px 14px; font-size: .82rem; }

/* ── 폼 (마스터) ───────────────────────────────────────────── */
.user-page .form-group { margin-bottom: 18px; }
.user-page .form-group label {
  display: block;
  font-size: .87rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}
.user-page .form-control,
.user-page input[type="text"],
.user-page input[type="email"],
.user-page input[type="password"],
.user-page input[type="number"],
.user-page input[type="tel"],
.user-page input[type="search"],
.user-page input[type="date"],
.user-page input[type="time"],
.user-page select,
.user-page textarea {
  width: 100%;
  padding: 11px 14px;
  font-size: .92rem;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius);
  background: #fff;
  color: var(--gray-800);
  transition: border-color .15s ease, box-shadow .15s ease;
  font-family: inherit;
}
.user-page .form-control:focus,
.user-page input:focus, .user-page select:focus, .user-page textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,108,240,.12);
}

/* ── 인증 페이지 마스터 ─────────────────────────────────────── */
.user-page .auth-wrap {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background: linear-gradient(135deg, var(--primary-light) 0%, #fff 50%, var(--gray-50) 100%);
}
.user-page .auth-card {
  width: 100%;
  max-width: 460px;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 44px 40px;
  box-shadow: var(--shadow-xl);
}
.user-page .auth-card .auth-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gray-900);
  margin: 0 0 8px;
  letter-spacing: -.6px;
}
.user-page .auth-card .auth-desc {
  text-align: center;
  color: var(--gray-500);
  font-size: .9rem;
  margin: 0 0 28px;
}
.user-page .auth-card .auth-submit {
  width: 100%;
  justify-content: center;
  padding: 13px;
  font-size: 1rem;
}
.user-page .auth-card .auth-footer {
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--gray-100);
  text-align: center;
  font-size: .87rem;
  color: var(--gray-500);
}
.user-page .auth-card .auth-footer a { color: var(--primary); font-weight: 600; }

/* ── 마이페이지 사이드바 ───────────────────────────────────── */
.user-page .mypage-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px 80px;
}
.user-page .mypage-sidebar {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 20px 0;
  height: fit-content;
  position: sticky;
  top: 88px;
}
.user-page .mypage-sidebar .ms-section-title {
  padding: 0 22px 8px;
  font-size: .75rem;
  font-weight: 700;
  color: var(--gray-400);
  letter-spacing: .5px;
  text-transform: uppercase;
}
.user-page .mypage-sidebar a {
  display: block;
  padding: 11px 22px;
  font-size: .9rem;
  color: var(--gray-700);
  border-left: 3px solid transparent;
  transition: all .15s ease;
}
.user-page .mypage-sidebar a:hover {
  background: var(--gray-50);
  color: var(--primary);
}
.user-page .mypage-sidebar a.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
  border-left-color: var(--primary);
}
.user-page .mypage-content {
  min-width: 0; /* grid overflow fix */
}
@media (max-width: 768px) {
  .user-page .mypage-layout { grid-template-columns: 1fr; }
  .user-page .mypage-sidebar { position: static; }
}

/* ── 페이지 제목 ───────────────────────────────────────────── */
.user-page .page-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--gray-900);
  margin: 0 0 22px;
  letter-spacing: -.4px;
}

/* ── 배지 (마스터) ─────────────────────────────────────────── */
.user-page .badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: .72rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.user-page .badge-primary { background: var(--primary-light); color: var(--primary); }
.user-page .badge-accent  { background: rgba(0,200,150,.12); color: var(--accent-dark); }
.user-page .badge-warning { background: rgba(245,158,11,.15); color: #b45309; }
.user-page .badge-danger  { background: rgba(239,68,68,.12); color: #b91c1c; }
.user-page .badge-gray    { background: var(--gray-100); color: var(--gray-600); }

/* ── 페이지네이션 (마스터) ─────────────────────────────────── */
.user-page .pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  margin: 36px 0 0;
  flex-wrap: wrap;
}
.user-page .pagination a,
.user-page .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  font-size: .87rem;
  color: var(--gray-600);
  background: #fff;
  text-decoration: none;
}
.user-page .pagination a:hover { border-color: var(--primary); color: var(--primary); }
.user-page .pagination .active,
.user-page .pagination .current {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 600;
}

/* ── 푸터 (ismart 마스터) ──────────────────────────────────── */
.user-page #site-footer {
  background: #1a1f2e;
  color: #adb5bd;
  padding: 56px 0 0;
  margin-top: 80px;
}
.user-page #site-footer .footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.user-page #site-footer .footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2.5fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.user-page #site-footer .footer-brand .f-logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}
.user-page #site-footer .footer-brand p {
  margin: 0;
  font-size: .87rem;
  color: rgba(255,255,255,.55);
  line-height: 1.65;
}
.user-page #site-footer .footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.user-page #site-footer .footer-links .fl-col strong {
  display: block;
  color: #fff;
  font-size: .92rem;
  margin-bottom: 14px;
  font-weight: 700;
}
.user-page #site-footer .footer-links .fl-col a {
  display: block;
  font-size: .84rem;
  color: rgba(255,255,255,.55);
  margin-bottom: 8px;
  text-decoration: none;
  transition: color .15s ease;
}
.user-page #site-footer .footer-links .fl-col a:hover { color: #fff; }
.user-page #site-footer .footer-bottom {
  padding: 22px 0 30px;
  font-size: .82rem;
  color: rgba(255,255,255,.45);
  line-height: 1.7;
}
.user-page #site-footer .footer-bottom strong { color: rgba(255,255,255,.7); }
@media (max-width: 768px) {
  .user-page #site-footer .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .user-page #site-footer .footer-links { grid-template-columns: repeat(2, 1fr); }
}

/* ── 반응형 ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .user-page .gnb-menu > li > a { padding: 0 14px; font-size: 14px; }
}
@media (max-width: 768px) {
  .user-page #gnb .gnb-menu { display: none; }
  .user-page .page-hero { padding: 44px 20px 52px; }
  .user-page .page-hero h2 { font-size: 1.45rem; }
  .user-page .quick-menu-bar .wrapper { overflow-x: auto; }
}