/* =============================================================
   联码绘图平台 - 全局样式
   File: public/assets/css/style.css
   ============================================================= */
:root {
  --primary: #4f7cff;
  --primary-dark: #3a5fd8;
  --bg: #f4f6fb;
  --card: #ffffff;
  --text: #1f2733;
  --muted: #8a94a6;
  --border: #e5e9f2;
  --danger: #ff4757;
  --success: #2ed573;
  --radius: 12px;
  --shadow: 0 4px 16px rgba(31, 39, 51, 0.06);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { opacity: 0.85; }

/* ---------------- 导航栏 ---------------- */
.navbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 24px;
  justify-content: space-between;
}
.logo { font-size: 20px; font-weight: 700; color: var(--text); }
.nav-links { display: flex; gap: 18px; flex: 1; }
.nav-links a { color: var(--muted); font-weight: 500; }
.nav-links a.active, .nav-links a:hover { color: var(--primary); }
.nav-user { display: flex; align-items: center; gap: 10px; }
.nav-name { font-weight: 600; font-size: 14px; }

/* ---------------- 右上角用户区(头像/用户名/积分/退出 + 弹窗) ---------------- */
.nav-userbox { position: relative; display: flex; align-items: center; gap: 8px; cursor: pointer; }
.nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}
.nav-avatar-text {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #4f7cff, #7a5cff);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}
.nav-points {
  font-size: 13px;
  color: var(--muted);
  background: var(--bg);
  padding: 2px 10px;
  border-radius: 20px;
  white-space: nowrap;
}
.nav-logout { padding: 4px 10px; }
.nav-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(31, 39, 51, .12);
  padding: 6px;
  z-index: 200;
}
.nav-dropdown.show { display: block; }
.nav-dropdown a, .nav-dropdown-title {
  display: block;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text);
  white-space: nowrap;
}
.nav-dropdown a:hover { background: rgba(79, 124, 255, .08); color: var(--primary); }
.nav-dropdown-title { color: var(--muted); font-size: 12px; cursor: default; }

/* 手机端: 右上角只保留头像/退出, 隐藏用户名与积分避免拥挤 */
@media (max-width: 640px) {
  .nav-name, .nav-points { display: none; }
}

/* ---------------- 通用容器/卡片 ---------------- */
.container { max-width: 1280px; margin: 0 auto; padding: 28px 20px; }
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  border: 1px solid var(--border);
}
.section-title { font-size: 18px; margin: 28px 0 16px; }
.page-title { font-size: 26px; margin-bottom: 20px; }
.form-tip { font-size: 13px; color: var(--muted); margin-top: 8px; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-block;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all .15s;
  text-align: center;
}
.btn:hover { border-color: var(--primary); color: var(--primary); opacity: 1; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { color: #fff; opacity: .85; }
.btn-outline { border-color: var(--primary); color: var(--primary); }
.btn-block { display: block; width: 100%; margin: 6px 0; }
.btn-lg { padding: 12px 28px; font-size: 16px; }
.btn-sm { padding: 5px 12px; font-size: 13px; }

/* ---------------- 首页 Hero ---------------- */
.hero {
  background: linear-gradient(135deg, #4f7cff 0%, #7a5cff 100%);
  color: #fff;
  text-align: center;
  padding: 70px 20px;
}
.hero h1 { font-size: 40px; margin-bottom: 12px; }
.hero p { font-size: 16px; opacity: .92; margin-bottom: 24px; }
.hero .btn { background: #fff; color: var(--primary); border: none; font-weight: 600; }

/* ---------------- 统计卡片 ---------------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.stat-card { text-align: center; padding: 24px 16px; }
.stat-icon { font-size: 32px; margin-bottom: 8px; }
.stat-value { font-size: 32px; font-weight: 700; color: var(--primary); }
.stat-label { color: var(--muted); font-size: 14px; margin-top: 4px; }

/* ---------------- 表单 ---------------- */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 124, 255, .15);
}
.form-group input:disabled { background: var(--bg); color: var(--muted); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

/* ---------------- 登录页 ---------------- */
.auth-body { min-height: 100vh; display: flex; flex-direction: column; }
.auth-body .navbar { flex: 0 0 auto; }
.auth-box {
  width: 420px;
  max-width: calc(100vw - 40px);
  margin: 60px auto;
  padding: 32px;
}
.auth-title { text-align: center; font-size: 22px; margin-bottom: 20px; }
.tabs { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.tab-btn {
  flex: 1;
  border: none;
  background: none;
  padding: 12px;
  font-size: 15px;
  cursor: pointer;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  font-family: inherit;
}
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.points-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg);
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 14px;
}
.points-num { font-size: 22px; font-weight: 700; color: var(--primary); }

/* ---------------- 个人中心 ---------------- */
.profile-layout { display: grid; grid-template-columns: 380px 1fr; gap: 20px; align-items: start; }
@media (max-width: 900px) { .profile-layout { grid-template-columns: 1fr; } }
.avatar-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4f7cff, #7a5cff);
  color: #fff;
  font-size: 30px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  overflow: hidden;
}
.points-big { font-size: 48px; font-weight: 800; color: var(--primary); }
.drawing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
  margin-top: 8px;
}
.drawing-card {
  background: var(--bg);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.drawing-card img { width: 100%; height: 130px; object-fit: cover; display: block; }
.drawing-card .drawing-meta { padding: 10px 12px; font-size: 13px; }
.drawing-card .drawing-title { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.drawing-card .drawing-date { color: var(--muted); font-size: 12px; }

/* ---------------- 表格 ---------------- */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.table th { background: var(--bg); font-weight: 600; color: var(--muted); white-space: nowrap; }
.table tr:hover td { background: #fafbff; }
.table img.preview { width: 60px; height: 40px; object-fit: cover; border-radius: 6px; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; background: var(--bg); color: var(--muted); }
.badge-admin { background: rgba(79,124,255,.12); color: var(--primary); }
.badge-success { background: rgba(46,213,115,.15); color: var(--success); }
.badge-warn { background: rgba(255,165,2,.15); color: #d68910; }
.table-footer { display: flex; justify-content: center; align-items: center; gap: 16px; padding-top: 16px; }

/* ---------------- 设置页 ---------------- */
.settings-layout { max-width: 760px; }
.settings-layout .card { margin-bottom: 20px; }

/* ---------------- 页脚 ---------------- */
.footer { text-align: center; color: var(--muted); font-size: 13px; padding: 30px 0; }