/* ========== 基础与变量 ========== */
:root {
  --primary: #ff6b6b;
  --primary-dark: #ee5253;
  --secondary: #feca57;
  --accent: #54a0ff;
  --bg-1: #667eea;
  --bg-2: #764ba2;
  --text: #2d3436;
  --text-light: #636e72;
  --card: #ffffff;
  --border: #e9ecef;
  --shadow: 0 10px 30px rgba(0, 0, 0, .08);
  --shadow-hover: 0 18px 45px rgba(0, 0, 0, .15);
  --radius: 18px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, var(--bg-1) 0%, var(--bg-2) 100%);
  min-height: 100vh;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; }

/* ========== 顶部头部 ========== */
.header {
  background: rgba(255, 255, 255, .12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, .18);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
}
.header .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1px;
}
.header .brand .logo {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,.2);
}
.header .nav a {
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,.15);
  margin-left: 8px;
  font-size: 14px;
  transition: all .25s;
}
.header .nav a:hover { background: rgba(255,255,255,.3); }
.header .nav a.active { background: #fff; color: var(--primary-dark); font-weight: 600; }

/* ========== Hero 标题区 ========== */
.hero {
  text-align: center;
  color: #fff;
  padding: 56px 20px 28px;
}
.hero h1 {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: 2px;
  text-shadow: 0 4px 20px rgba(0,0,0,.2);
  margin-bottom: 12px;
}
.hero p {
  font-size: 17px;
  opacity: .92;
  max-width: 640px;
  margin: 0 auto;
}
.hero .stats {
  margin-top: 26px;
  display: inline-flex;
  gap: 32px;
  background: rgba(255,255,255,.15);
  padding: 14px 30px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
}
.hero .stats div { text-align: center; }
.hero .stats .num { font-size: 24px; font-weight: 700; }
.hero .stats .lbl { font-size: 12px; opacity: .85; }

/* ========== 卡片网格 ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 30px 20px 60px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 26px;
}
.card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .3s, box-shadow .3s;
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.card .photo {
  width: 100%;
  height: 280px;
  background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
  overflow: hidden;
  position: relative;
}
.card .photo img {
  width: 100%; height: 100%; object-fit: cover; object-position: top center;
  transition: transform .4s;
}
.card:hover .photo img { transform: scale(1.05); }
.card .photo .placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 64px; color: #b2bec3;
}
.card .rank {
  position: absolute; top: 12px; left: 12px;
  background: rgba(0,0,0,.55);
  color: #fff;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  backdrop-filter: blur(4px);
}
.card .rank.top1 { background: linear-gradient(135deg, #f6d365, #fda085); }
.card .rank.top2 { background: linear-gradient(135deg, #a8c0ff, #3f6bff); }
.card .rank.top3 { background: linear-gradient(135deg, #ff9a9e, #fad0c4); }

.card .body {
  padding: 18px 18px 16px;
  display: flex; flex-direction: column;
  flex: 1;
}
.card .name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
  display: flex; align-items: center; gap: 8px;
}
.card .intro {
  color: var(--text-light);
  font-size: 14px;
  flex: 1;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card .footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px dashed var(--border);
  padding-top: 14px;
}
.card .votes {
  display: flex; flex-direction: column;
}
.card .votes .count {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1;
}
.card .votes .label { font-size: 12px; color: var(--text-light); }
.btn-vote {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: transform .15s, box-shadow .25s, filter .2s;
  box-shadow: 0 6px 16px rgba(255,107,107,.4);
}
.btn-vote:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(255,107,107,.5); }
.btn-vote:active { transform: translateY(0); }
.btn-vote.voted {
  background: #b2bec3;
  box-shadow: none;
  cursor: not-allowed;
}

/* ========== Toast 提示 ========== */
.toast {
  position: fixed;
  top: 30px; left: 50%;
  transform: translateX(-50%) translateY(-100px);
  background: #fff;
  color: var(--text);
  padding: 14px 26px;
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(0,0,0,.18);
  font-size: 15px;
  font-weight: 500;
  z-index: 9999;
  transition: transform .4s cubic-bezier(.34,1.56,.64,1);
  display: flex; align-items: center; gap: 10px;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.success { border-left: 4px solid #00b894; }
.toast.error { border-left: 4px solid var(--primary-dark); }
.toast.info { border-left: 4px solid var(--accent); }

/* ========== 空状态 ========== */
.empty {
  text-align: center;
  color: #fff;
  padding: 80px 20px;
  opacity: .85;
}
.empty .icon { font-size: 64px; margin-bottom: 12px; }

/* ========== 后台管理 ========== */
.admin-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 30px 20px 60px;
}
.admin-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.admin-card .toolbar {
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}
.admin-card .toolbar h2 { font-size: 20px; }
.admin-card .toolbar .actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn {
  padding: 9px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  transition: all .2s;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #2e86de; }
.btn-danger { background: #fff5f5; color: var(--primary-dark); border: 1px solid #ffd5d5; }
.btn-danger:hover { background: var(--primary-dark); color: #fff; }
.btn-ghost { background: #f1f2f6; color: var(--text); }
.btn-ghost:hover { background: #dfe4ea; }

table {
  width: 100%;
  border-collapse: collapse;
}
table th, table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: middle;
}
table th {
  background: #f8f9fc;
  font-weight: 600;
  color: var(--text-light);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
table tr:hover { background: #fafbfc; }
table .cell-photo {
  width: 50px; height: 50px;
  border-radius: 10px;
  object-fit: cover;
  background: #f1f2f6;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: #b2bec3;
  overflow: hidden;
}
table .cell-photo img { width: 100%; height: 100%; object-fit: cover; }
table .cell-name { font-weight: 600; }
table .cell-intro {
  max-width: 320px;
  color: var(--text-light);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
table .cell-votes { font-weight: 700; color: var(--primary-dark); font-size: 16px; }
table .row-actions { display: flex; gap: 6px; }
table .row-actions button {
  padding: 6px 10px; border-radius: 8px; font-size: 13px;
  border: 1px solid var(--border); background: #fff;
}
table .row-actions .edit:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
table .row-actions .del:hover { background: var(--primary-dark); color: #fff; border-color: var(--primary-dark); }

/* ========== 模态框 ========== */
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center; justify-content: center;
  z-index: 1000;
  padding: 20px;
}
.modal-mask.show { display: flex; animation: fadeIn .25s; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: #fff;
  border-radius: var(--radius);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
  animation: slideUp .3s cubic-bezier(.34,1.56,.64,1);
}
@keyframes slideUp { from { transform: translateY(30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal header h3 { font-size: 18px; }
.modal header .close {
  background: #f1f2f6; width: 30px; height: 30px; border-radius: 50%;
  font-size: 16px; display: flex; align-items: center; justify-content: center;
  color: var(--text-light);
}
.modal header .close:hover { background: var(--primary-dark); color: #fff; }
.modal .content { padding: 22px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-light);
}
.form-group input[type=text],
.form-group input[type=number],
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color .2s, box-shadow .2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(84,160,255,.15);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group .upload-area {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 18px;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
  position: relative;
}
.form-group .upload-area:hover { border-color: var(--accent); background: #f8fbff; }
.form-group .upload-area .preview {
  width: 120px; height: 120px;
  margin: 0 auto 10px;
  border-radius: 12px;
  overflow: hidden;
  background: #f1f2f6;
  display: flex; align-items: center; justify-content: center;
  font-size: 36px; color: #b2bec3;
}
.form-group .upload-area .preview img { width: 100%; height: 100%; object-fit: cover; }
.form-group .upload-area .hint { font-size: 13px; color: var(--text-light); }
.form-group .upload-area input[type=file] { display: none; }
.modal footer {
  padding: 16px 22px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 10px;
}

/* ========== 登录页 ========== */
.login-wrap {
  min-height: calc(100vh - 80px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.login-box {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow-hover);
  text-align: center;
}
.login-box h2 { margin-bottom: 8px; color: var(--text); }
.login-box p { color: var(--text-light); margin-bottom: 24px; font-size: 14px; }
.login-box .lock { font-size: 48px; margin-bottom: 12px; }
.login-box input { margin-bottom: 14px; }

/* ========== 响应式 ========== */
@media (max-width: 640px) {
  .hero h1 { font-size: 32px; }
  .hero .stats { gap: 18px; padding: 12px 20px; }
  .header { flex-direction: column; gap: 12px; }
  .header .nav a { margin: 0 4px; }
  table { display: block; overflow-x: auto; }
  .card .photo { height: 240px; }
}

/* 票数动画 */
@keyframes pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); color: var(--secondary); }
  100% { transform: scale(1); }
}
.count.pop { animation: pop .5s; }