*{
  box-sizing:border-box;
}

body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  background:#f5f6f8;
  color:#222;
}

a{
  text-decoration:none;
  color:inherit;
}

input, textarea, select, button{
  font:inherit;
}

button{
  cursor:pointer;
}

/* login */
.login-wrap{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}

.login-box{
  width:100%;
  max-width:420px;
  background:#fff;
  border-radius:16px;
  padding:24px;
  box-shadow:0 10px 30px rgba(0,0,0,.08);
}

.login-box h1{
  font-size:24px;
  margin:0 0 16px;
}

.login-box input{
  width:100%;
  padding:14px;
  border:1px solid #ddd;
  border-radius:12px;
  margin-bottom:12px;
}

.login-box button{
  width:100%;
  padding:14px;
  border:none;
  border-radius:12px;
  background:#111;
  color:#fff;
}

.error-text{
  color:#c62828;
  margin:0 0 12px;
}

/* admin */
.admin-topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:20px;
  background:#111;
  color:#fff;
}

.admin-topbar h1{
  margin:0;
  font-size:24px;
}

.logout-btn{
  background:#fff;
  color:#111;
  padding:10px 14px;
  border-radius:10px;
}

.admin-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  padding:20px;
  max-width:1100px;
  margin:0 auto;
}

.admin-card{
  background:#fff;
  border-radius:16px;
  padding:18px;
  box-shadow:0 8px 24px rgba(0,0,0,.06);
}

.admin-card h2{
  margin:0 0 14px;
  font-size:20px;
}

.admin-card form{
  display:flex;
  flex-direction:column;
  gap:12px;
}

.admin-card input[type="text"],
.admin-card input[type="password"],
.admin-card input[type="file"],
.admin-card textarea,
.admin-card select{
  width:100%;
  padding:12px 14px;
  border:1px solid #d8dbe2;
  border-radius:12px;
  background:#fff;
}

.admin-card textarea{
  resize:vertical;
  min-height:120px;
}

.admin-card button{
  border:none;
  border-radius:12px;
  padding:12px 16px;
  background:#111;
  color:#fff;
}

.danger-btn{
  background:#c62828 !important;
}

.folder-admin-list{
  display:flex;
  flex-direction:column;
  gap:10px;
}

.folder-admin-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  border:1px solid #eceff3;
  border-radius:12px;
  padding:12px;
}

.post-admin-item{
  border:1px solid #eceff3;
  border-radius:14px;
  padding:14px;
  margin-bottom:14px;
}

.post-admin-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:12px;
}

.mini-meta{
  margin-top:4px;
  color:#666;
  font-size:13px;
}

.admin-thumb-row{
  display:flex;
  gap:8px;
  overflow:auto;
  margin:12px 0;
}

.admin-thumb-row img{
  width:110px;
  height:84px;
  object-fit:cover;
  border-radius:10px;
  flex:0 0 auto;
}

.empty-text{
  color:#666;
}

/* works */
.works-wrap{
  max-width:980px;
  margin:0 auto;
  padding:24px 16px 40px;
}

.works-wrap h1{
  margin:0 0 18px;
  font-size:30px;
}

.works-topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  margin:0 0 18px;
}

.works-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.works-link-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:42px;
  padding:0 14px;
  background:#fff;
  border:1px solid #d8dbe2;
  border-radius:999px;
  color:#222;
  text-decoration:none;
}

.works-link-btn-dark{
  background:#111;
  color:#fff;
  border-color:#111;
}

.folders{
  display:flex;
  gap:14px;
  overflow:auto;
  padding-bottom:8px;
  margin-bottom:18px;
}

.folder-card{
  min-width:130px;
  background:#fff;
  border-radius:16px;
  padding:12px;
  box-shadow:0 6px 18px rgba(0,0,0,.06);
  border:2px solid transparent;
  flex:0 0 auto;
}

.folder-card.active{
  border-color:#111;
}

.folder-preview{
  position:relative;
  height:74px;
  margin-bottom:10px;
}

.folder-preview img{
  position:absolute;
  width:64px;
  height:64px;
  object-fit:cover;
  border-radius:12px;
  border:2px solid #fff;
  box-shadow:0 4px 12px rgba(0,0,0,.12);
}

.folder-preview img:nth-child(1){ left:0; top:8px; z-index:1; }
.folder-preview img:nth-child(2){ left:22px; top:4px; z-index:2; }
.folder-preview img:nth-child(3){ left:44px; top:0; z-index:3; }

.folder-stack{
  position:relative;
  width:86px;
  height:68px;
}

.folder-stack span{
  position:absolute;
  width:60px;
  height:60px;
  border-radius:12px;
  background:#dfe5ee;
  box-shadow:0 4px 10px rgba(0,0,0,.08);
}

.folder-stack span:nth-child(1){ left:0; top:8px; }
.folder-stack span:nth-child(2){ left:18px; top:4px; }
.folder-stack span:nth-child(3){ left:36px; top:0; }

.folder-name{
  font-size:14px;
  font-weight:700;
  word-break:break-word;
}

.search-form{
  display:flex;
  gap:10px;
  margin-bottom:20px;
}

.search-form input{
  flex:1;
  min-width:0;
  padding:13px 14px;
  border:1px solid #d8dbe2;
  border-radius:14px;
  background:#fff;
}

.search-form button{
  border:none;
  border-radius:14px;
  padding:0 16px;
  background:#111;
  color:#fff;
}

.works-list{
  display:flex;
  flex-direction:column;
  gap:22px;
}

.work-card{
  background:#fff;
  border-radius:18px;
  overflow:hidden;
  box-shadow:0 10px 24px rgba(0,0,0,.08);
}

.main-image-wrap{
  width:100%;
}

.main-image{
  width:100%;
  height:280px;
  object-fit:cover;
  display:block;
}

.sub-images{
  display:flex;
  gap:8px;
  padding:10px 12px 0;
  overflow:auto;
}

.sub-images img{
  width:110px;
  height:80px;
  object-fit:cover;
  border-radius:10px;
  flex:0 0 auto;
}

.work-body{
  padding:16px;
}

.work-body h2{
  margin:0 0 10px;
  font-size:22px;
}

.work-body p{
  margin:0 0 14px;
  line-height:1.7;
  white-space:normal;
  word-break:break-word;
}

.folder-badge{
  display:inline-block;
  background:#eef2f6;
  color:#333;
  border-radius:999px;
  padding:6px 10px;
  font-size:12px;
  margin-bottom:10px;
}

.like-btn{
  border:none;
  background:#111;
  color:#fff;
  border-radius:999px;
  padding:10px 14px;
}

.like-btn.liked,
.like-btn:disabled{
  background:#767676;
  cursor:default;
  opacity:.92;
}

.like-count{
  font-weight:700;
}

.empty-box{
  background:#fff;
  border-radius:16px;
  padding:24px;
  text-align:center;
  color:#666;
  box-shadow:0 8px 24px rgba(0,0,0,.06);
}

/* admin view switch */
.admin-posts-head{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}

.view-switch{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}

.view-btn{
  border:none;
  border-radius:999px;
  padding:10px 14px;
  background:#e9edf3;
  color:#222;
}

.view-btn.active{
  background:#111;
  color:#fff;
}

.admin-photo-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:10px;
}

.photo-grid-card{
  border:none;
  background:#fff;
  padding:0;
  text-align:left;
  border-radius:14px;
  overflow:hidden;
  box-shadow:0 6px 18px rgba(0,0,0,.08);
}

.photo-grid-card img{
  width:100%;
  height:95px;
  object-fit:cover;
  display:block;
}

.photo-grid-card span{
  display:block;
  padding:8px;
  font-size:12px;
  line-height:1.4;
}

.photo-grid-empty{
  width:100%;
  height:95px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#eef2f6;
  color:#666;
  font-size:12px;
}

.back-btn{
  border:none;
  background:#111;
  color:#fff;
  border-radius:999px;
  padding:10px 14px;
  margin-bottom:14px;
}

.detail-thumbs img{
  width:140px;
  height:105px;
  object-fit:cover;
}

/* mobile */
@media (max-width: 640px){
  .admin-topbar{
    flex-direction:column;
    align-items:flex-start;
  }

  .works-wrap h1{
    font-size:24px;
  }

  .works-topbar{
    flex-direction:column;
    align-items:flex-start;
  }

  .works-actions{
    width:100%;
  }

  .main-image{
    height:220px;
  }

  .folder-card{
    min-width:118px;
  }

  .search-form{
    flex-direction:column;
  }

  .search-form button{
    height:46px;
  }

  .admin-posts-head{
    flex-direction:column;
    align-items:flex-start;
  }

  .view-switch{
    width:100%;
  }

  .admin-photo-grid{
    grid-template-columns:repeat(2, 1fr);
  }
}

.works-admin-link-wrap{
  display:flex;
  justify-content:flex-end;
  margin:-4px 0 14px;
}

.works-admin-link{
  font-size:12px;
  color:#6b7280;
  padding:4px 8px;
  border-radius:8px;
}

.works-admin-link:hover{
  background:#eef2f6;
}

.works-view-switch{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin:0 0 16px;
}

.works-view-btn{
  border:none;
  border-radius:999px;
  padding:10px 14px;
  background:#e9edf3;
  color:#222;
}

.works-view-btn.active{
  background:#111;
  color:#fff;
}

.works-photo-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:10px;
}

.works-photo-card{
  border:none;
  background:#fff;
  padding:0;
  text-align:left;
  border-radius:14px;
  overflow:hidden;
  box-shadow:0 6px 18px rgba(0,0,0,.08);
}

.works-photo-card img{
  width:100%;
  height:95px;
  object-fit:cover;
  display:block;
}

.works-photo-card span{
  display:block;
  padding:8px;
  font-size:12px;
  line-height:1.4;
}

.works-photo-empty{
  width:100%;
  height:95px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#eef2f6;
  color:#666;
  font-size:12px;
}

@media (max-width: 640px){
  .works-photo-grid{
    grid-template-columns:repeat(2, 1fr);
  }

  .works-admin-link-wrap{
    justify-content:flex-start;
  }
}

.login-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:14px;
}

.login-link-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:40px;
  padding:0 14px;
  background:#f3f4f6;
  border:1px solid #d8dbe2;
  border-radius:999px;
  color:#222;
  text-decoration:none;
  font-size:14px;
}

@media (max-width: 640px){
  .login-links{
    flex-direction:column;
  }
}