/* ============================================================
   assets/style.css — 연수문화재단 도서신청 관리 시스템
   ============================================================ */

:root {
  --teal:    #00897B;
  --teal-d:  #00695C;
  --teal-l:  #E0F2F1;
  --teal-xl: #F0FAF9;
  --navy:    #1F4E79;
  --navy-l:  #D6E4F0;
  --slate:   #334155;
  --slate-l: #64748b;
  --bg:      #F8FAFB;
  --white:   #FFFFFF;
  --border:  #E2E8F0;
  --sh:      0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.06);
  --sh-md:   0 4px 16px rgba(0,0,0,.10);
  --sh-lg:   0 10px 40px rgba(0,0,0,.12);
  --r:       12px;
  --r-sm:    8px;
}

*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Noto Sans KR',sans-serif;background:var(--bg);color:var(--slate);min-height:100vh;font-size:14px;line-height:1.6;}

/* ── 공통 버튼 ── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:var(--r-sm);font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;border:none;transition:all .18s;text-decoration:none;}
.btn-primary{background:var(--teal);color:#fff;}
.btn-primary:hover{background:var(--teal-d);transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,137,123,.3);}
.btn-secondary{background:var(--white);color:var(--teal);border:1.5px solid var(--teal);}
.btn-secondary:hover{background:var(--teal-xl);}
.btn-ghost{background:transparent;color:var(--slate-l);border:1.5px solid var(--border);}
.btn-ghost:hover{background:var(--border);}
.btn-danger{background:#ef4444;color:#fff;}
.btn-danger:hover{background:#dc2626;}
.btn-sm{padding:6px 12px;font-size:13px;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important;}

/* ── 뱃지 ── */
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:600;}
.badge-type{font-size:11px;font-weight:700;}
.type-BOOK{background:#dbeafe;color:#1d4ed8;}
.type-LP{background:#fce7f3;color:#be185d;}
.type-CD{background:#f3e8ff;color:#7c3aed;}
.type-ALBUM{background:#dcfce7;color:#15803d;}
.type-ETC{background:#f1f5f9;color:#475569;}

/* ── 입력 폼 ── */
.input{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--r-sm);font-family:inherit;font-size:14px;color:var(--slate);background:var(--white);outline:none;transition:border-color .15s;}
.input:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(0,137,123,.12);}
.input::placeholder{color:#94a3b8;}
.select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748b' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px;}
.form-group{display:flex;flex-direction:column;gap:6px;}
.form-label{font-size:13px;font-weight:600;color:var(--slate);}
.form-hint{font-size:12px;color:var(--slate-l);}
.required::after{content:' *';color:#ef4444;}
.error-msg{font-size:12px;color:#ef4444;margin-top:4px;}
.form-row{display:grid;gap:16px;}
.form-grid-2{grid-template-columns:1fr 1fr;}
.form-grid-3{grid-template-columns:1fr 1fr 1fr;}

/* ── 카드 ── */
.card{background:var(--white);border-radius:var(--r);border:1px solid var(--border);box-shadow:var(--sh);}

/* ── 섹션 타이틀 ── */
.section-title{font-size:20px;font-weight:700;color:var(--navy);display:flex;align-items:center;gap:10px;margin-bottom:20px;}
.section-title::before{content:'';display:block;width:4px;height:22px;background:var(--teal);border-radius:2px;}

/* ── 헤더 ── */
.header{background:var(--white);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:0 1px 8px rgba(0,0,0,.06);}
.header-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;height:60px;gap:32px;}
.logo{display:flex;align-items:center;gap:10px;cursor:pointer;text-decoration:none;}
.logo-mark{width:34px;height:34px;background:var(--teal);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:900;flex-shrink:0;}
.logo-text{font-size:15px;font-weight:700;color:var(--navy);line-height:1.2;}
.logo-sub{font-size:11px;color:var(--slate-l);font-weight:400;}
.nav{display:flex;gap:4px;flex:1;}
.nav-item{padding:8px 14px;border-radius:var(--r-sm);font-size:14px;font-weight:500;color:var(--slate-l);cursor:pointer;border:none;background:none;font-family:inherit;transition:all .15s;white-space:nowrap;text-decoration:none;}
.nav-item:hover{background:var(--teal-l);color:var(--teal-d);}
.nav-item.active{background:var(--teal-l);color:var(--teal-d);font-weight:600;}
.nav-admin{margin-left:auto;}
.nav-mobile-btn{display:none;background:none;border:none;font-size:20px;cursor:pointer;padding:4px 8px;color:var(--slate);}
.mobile-menu{border-top:1px solid var(--border);padding:8px 16px;}
.mobile-menu-item{display:block;padding:10px 12px;color:var(--slate);text-decoration:none;border-radius:var(--r-sm);font-size:14px;}
.mobile-menu-item:hover{background:var(--teal-l);}

/* ── 히어로 검색 ── */
.hero{background:linear-gradient(135deg,var(--navy) 0%,#2E75B6 60%,var(--teal-d) 100%);padding:60px 24px 48px;text-align:center;position:relative;overflow:hidden;}
.hero::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='20'/%3E%3C/g%3E%3C/svg%3E");}
.hero-content{position:relative;max-width:720px;margin:0 auto;}
.hero-title{font-family:'DM Serif Display',serif;font-size:38px;color:#fff;margin-bottom:8px;line-height:1.2;}
.hero-subtitle{color:rgba(255,255,255,.7);font-size:15px;margin-bottom:32px;}
.search-box{display:flex;gap:8px;background:#fff;border-radius:var(--r);padding:8px;box-shadow:var(--sh-lg);}
.search-type{padding:10px 12px;border:1.5px solid var(--border);border-radius:var(--r-sm);font-family:inherit;font-size:14px;color:var(--slate);background:var(--bg);outline:none;cursor:pointer;flex-shrink:0;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='7' viewBox='0 0 10 7'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2364748b' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:28px;}
.search-input{flex:1;border:none;outline:none;font-family:inherit;font-size:15px;color:var(--slate);padding:10px 4px;}
.search-btn{padding:10px 22px;background:var(--teal);color:#fff;border:none;border-radius:var(--r-sm);cursor:pointer;font-family:inherit;font-size:14px;font-weight:600;display:flex;align-items:center;gap:6px;transition:background .15s;flex-shrink:0;}
.search-btn:hover{background:var(--teal-d);}
.keywords{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:16px;}
.keyword-label{color:rgba(255,255,255,.6);font-size:13px;}
.keyword-tag{padding:4px 12px;background:rgba(255,255,255,.15);border-radius:99px;color:rgba(255,255,255,.85);font-size:13px;cursor:pointer;border:1px solid rgba(255,255,255,.2);transition:all .15s;text-decoration:none;}
.keyword-tag:hover{background:rgba(255,255,255,.28);color:#fff;}

/* ── 필터 바 ── */
.filter-bar{max-width:1200px;margin:0 auto;padding:20px 24px 0;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.filter-chip{padding:6px 16px;border-radius:99px;font-size:13px;font-weight:500;cursor:pointer;border:1.5px solid var(--border);background:var(--white);color:var(--slate-l);transition:all .15s;text-decoration:none;}
.filter-chip:hover:not(.active){border-color:var(--teal);color:var(--teal);}
.filter-chip.active{background:var(--teal);color:#fff;border-color:var(--teal);}
.results-count{margin-left:auto;color:var(--slate-l);font-size:13px;}

/* ── 자료 그리드 ── */
.grid{max-width:1200px;margin:0 auto;padding:20px 24px 48px;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;}
.material-card{background:var(--white);border-radius:var(--r);border:1px solid var(--border);box-shadow:var(--sh);overflow:hidden;cursor:pointer;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column;text-decoration:none;color:inherit;}
.material-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.material-cover{height:160px;display:flex;align-items:center;justify-content:center;font-size:48px;position:relative;background:linear-gradient(135deg,var(--teal-l),var(--navy-l));}
.material-type-badge{position:absolute;top:10px;left:10px;}
.material-body{padding:16px;flex:1;display:flex;flex-direction:column;gap:4px;}
.material-title{font-size:15px;font-weight:600;color:var(--navy);line-height:1.3;}
.material-creator{font-size:13px;color:var(--slate-l);}
.material-meta{font-size:12px;color:#94a3b8;margin-top:4px;}
.material-footer{padding:12px 16px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;}
.view-count{font-size:12px;color:#94a3b8;}

/* ── 자료 상세 ── */
.detail-layout{max-width:1000px;margin:0 auto;padding:32px 24px;display:grid;grid-template-columns:280px 1fr;gap:32px;}
.detail-cover{width:100%;aspect-ratio:1;background:linear-gradient(135deg,var(--teal-l),var(--navy-l));border-radius:var(--r);display:flex;align-items:center;justify-content:center;font-size:80px;box-shadow:var(--sh-md);}
.detail-info{display:flex;flex-direction:column;gap:20px;}
.detail-title{font-size:26px;font-weight:700;color:var(--navy);line-height:1.3;}
.detail-creator{font-size:16px;color:var(--slate-l);}
.detail-meta-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.meta-item{display:flex;flex-direction:column;gap:2px;}
.meta-key{font-size:12px;color:var(--slate-l);font-weight:500;}
.meta-val{font-size:14px;color:var(--slate);font-weight:500;}
.status-box{background:var(--teal-xl);border:1.5px solid var(--teal-l);border-radius:var(--r);padding:16px;display:flex;align-items:center;gap:12px;}
.status-dot{width:10px;height:10px;border-radius:50%;background:var(--teal);flex-shrink:0;}
.tracks-table{width:100%;border-collapse:collapse;margin-top:12px;}
.tracks-table th,.tracks-table td{padding:8px 12px;text-align:left;border-bottom:1px solid var(--border);font-size:13px;}
.tracks-table th{color:var(--slate-l);font-weight:600;font-size:12px;}

/* ── 페이지 공통 ── */
.page-container{max-width:680px;margin:0 auto;padding:40px 24px;}
.page-header{margin-bottom:32px;}
.page-header h1{font-size:24px;font-weight:700;color:var(--navy);margin-bottom:6px;}
.page-header p{color:var(--slate-l);font-size:14px;}
.form-card{background:var(--white);border-radius:var(--r);border:1px solid var(--border);padding:28px;}
.form-section{margin-bottom:28px;}
.form-section-title{font-size:12px;font-weight:700;color:var(--teal-d);text-transform:uppercase;letter-spacing:.8px;margin-bottom:16px;padding-bottom:8px;border-bottom:1.5px solid var(--teal-l);}

/* ── 신청 내역 ── */
.request-list{display:flex;flex-direction:column;gap:12px;}
.request-card{background:var(--white);border-radius:var(--r);border:1px solid var(--border);padding:20px;text-decoration:none;color:inherit;display:block;transition:box-shadow .15s;}
.request-card:hover{box-shadow:var(--sh-md);}
.request-card-header{display:flex;align-items:flex-start;gap:12px;margin-bottom:12px;}
.request-card-body{font-size:13px;color:var(--slate-l);display:flex;flex-wrap:wrap;gap:12px;}
.reject-reason-box{background:#fef2f2;border:1.5px solid #fecaca;border-radius:var(--r-sm);padding:10px 14px;margin-top:8px;font-size:13px;color:#b91c1c;}

/* ── 타임라인 ── */
.timeline{position:relative;margin-top:20px;}
.timeline-item{display:flex;gap:16px;padding-bottom:20px;position:relative;}
.timeline-item:not(:last-child)::before{content:'';position:absolute;left:7px;top:20px;bottom:0;width:2px;background:var(--border);}
.timeline-dot{width:16px;height:16px;border-radius:50%;border:2px solid var(--teal);background:var(--white);flex-shrink:0;margin-top:2px;z-index:1;}
.timeline-dot.active{background:var(--teal);}
.timeline-content{flex:1;}
.timeline-status{font-size:14px;font-weight:600;color:var(--navy);}
.timeline-time{font-size:12px;color:var(--slate-l);}
.timeline-note{font-size:13px;color:var(--slate);margin-top:4px;background:var(--bg);padding:8px 12px;border-radius:var(--r-sm);}

/* ── 알림 박스 ── */
.info-box{background:var(--teal-xl);border:1.5px solid var(--teal-l);border-radius:var(--r-sm);padding:12px 16px;font-size:13px;color:var(--teal-d);margin-bottom:16px;}
.alert{padding:12px 16px;border-radius:var(--r-sm);font-size:14px;margin-bottom:16px;}
.alert-success{background:#f0fdf4;border:1px solid #bbf7d0;color:#15803d;}
.alert-error{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;}
.alert-info{background:var(--teal-xl);border:1px solid var(--teal-l);color:var(--teal-d);}

/* ── 탭 ── */
.tabs{display:flex;gap:0;border-bottom:2px solid var(--border);margin-bottom:24px;}
.tab{padding:10px 18px;font-size:14px;font-weight:500;color:var(--slate-l);cursor:pointer;border:none;background:none;font-family:inherit;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .15s;text-decoration:none;}
.tab:hover{color:var(--teal);}
.tab.active{color:var(--teal);font-weight:700;border-bottom-color:var(--teal);}

/* ── 빈 상태 ── */
.empty-state{text-align:center;padding:60px 20px;color:var(--slate-l);}
.empty-icon{font-size:48px;margin-bottom:12px;}
.empty-title{font-size:16px;font-weight:600;margin-bottom:6px;}

/* ── 페이지네이션 ── */
.pagination{display:flex;align-items:center;justify-content:center;gap:6px;padding:24px 0;}
.page-btn{padding:7px 13px;border-radius:var(--r-sm);border:1.5px solid var(--border);background:var(--white);color:var(--slate-l);font-family:inherit;font-size:14px;cursor:pointer;text-decoration:none;transition:all .15s;}
.page-btn:hover{border-color:var(--teal);color:var(--teal);}
.page-btn.active{background:var(--teal);border-color:var(--teal);color:#fff;}

/* ── 모달 ── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:200;padding:24px;animation:fadeIn .15s ease;}
.modal{background:var(--white);border-radius:var(--r);width:100%;max-width:480px;box-shadow:var(--sh-lg);animation:slideUp .2s ease;}
.modal-header{padding:20px 24px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;}
.modal-title{font-size:17px;font-weight:700;color:var(--navy);}
.modal-close{width:30px;height:30px;border-radius:6px;background:var(--bg);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--slate-l);}
.modal-close:hover{background:var(--border);}
.modal-body{padding:24px;max-height:70vh;overflow-y:auto;}
.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end;}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}

/* ── 토스트 ── */
.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;padding:12px 24px;border-radius:var(--r);font-size:14px;font-weight:500;box-shadow:var(--sh-lg);z-index:300;animation:toastIn .25s ease;pointer-events:none;}
.toast.success{background:var(--teal-d);}
.toast.error{background:#ef4444;}
@keyframes toastIn{from{opacity:0;transform:translateX(-50%) translateY(12px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}

/* ── 관리자 레이아웃 ── */
.admin-body{background:#f0f4f8;}
.admin-layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh;}
.admin-sidebar{background:var(--navy);padding:0;position:sticky;top:0;height:100vh;overflow-y:auto;}
.sidebar-logo{display:flex;align-items:center;gap:10px;padding:20px 16px;border-bottom:1px solid rgba(255,255,255,.1);}
.sidebar-section{padding:16px 8px;}
.sidebar-label{font-size:11px;font-weight:700;color:rgba(255,255,255,.4);letter-spacing:1px;text-transform:uppercase;padding:0 8px;margin-bottom:6px;}
.sidebar-item{padding:9px 12px;border-radius:var(--r-sm);font-size:13px;font-weight:500;color:rgba(255,255,255,.7);cursor:pointer;display:flex;align-items:center;gap:8px;margin-bottom:2px;transition:all .15s;border:none;background:none;width:100%;font-family:inherit;text-decoration:none;}
.sidebar-item:hover{background:rgba(255,255,255,.08);color:#fff;}
.sidebar-item.active{background:rgba(0,137,123,.35);color:#fff;font-weight:600;}
.sidebar-badge{margin-left:auto;background:#ef4444;color:#fff;padding:1px 7px;border-radius:99px;font-size:11px;font-weight:700;}
.admin-main{padding:32px;overflow-y:auto;}
.admin-page-title{font-size:22px;font-weight:700;color:var(--navy);margin-bottom:24px;}
.admin-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}

/* ── 통계 카드 ── */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px;}
.stat-card{background:var(--white);border-radius:var(--r);border:1px solid var(--border);padding:20px;}
.stat-label{font-size:12px;color:var(--slate-l);font-weight:500;margin-bottom:6px;}
.stat-value{font-size:30px;font-weight:700;color:var(--navy);line-height:1;}
.stat-sub{font-size:12px;color:var(--teal);font-weight:500;margin-top:4px;}

/* ── 데이터 테이블 ── */
.table-wrap{background:var(--white);border-radius:var(--r);border:1px solid var(--border);overflow:auto;}
.data-table{width:100%;border-collapse:collapse;}
.data-table th{padding:10px 14px;text-align:left;font-size:12px;font-weight:600;color:var(--slate-l);border-bottom:2px solid var(--border);background:var(--bg);white-space:nowrap;}
.data-table td{padding:12px 14px;font-size:13px;border-bottom:1px solid var(--border);vertical-align:middle;}
.data-table tr:last-child td{border-bottom:none;}
.data-table tr:hover td{background:var(--teal-xl);}
.data-table td.mono{font-family:monospace;font-size:12px;color:var(--slate-l);}

/* ── 푸터 ── */
.footer{background:var(--navy);color:rgba(255,255,255,.6);padding:24px;text-align:center;margin-top:auto;}
.footer-inner{max-width:1200px;margin:0 auto;}
.footer-brand{font-size:14px;font-weight:600;color:rgba(255,255,255,.8);margin-bottom:4px;}
.footer-info{font-size:12px;}

/* ── 반응형 ── */
@media(max-width:900px){
  .detail-layout{grid-template-columns:1fr;}
  .stats-row{grid-template-columns:repeat(2,1fr);}
  .admin-layout{grid-template-columns:1fr;}
  .admin-sidebar{display:none;}
  .form-grid-2,.form-grid-3{grid-template-columns:1fr;}
}
@media(max-width:600px){
  .hero-title{font-size:26px;}
  .search-box{flex-direction:column;}
  .grid{grid-template-columns:1fr 1fr;gap:12px;}
  .nav{display:none;}
  .nav-mobile-btn{display:block;}
}

hr.divider{border:none;border-top:1px solid var(--border);margin:24px 0;}