/* 活力运动风格：清爽蓝/绿/橙系配色方案 */
:root{
  /* 主色调：清爽蓝色系 */
  --primary: #00a8ff;        /* 活力蓝 */
  --primary-light: #4cdfff;  /* 浅蓝 */
  --primary-dark: #0077cc;   /* 深蓝 */
  
  /* 辅助色：绿色和橙色系 */
  --accent-green: #00d8a7;   /* 活力绿 */
  --accent-orange: #ff9f43;  /* 活力橙 */
  --accent-yellow: #feca57;  /* 阳光黄 */
  
  /* 中性色 */
  --secondary: #4a4a4a;      /* 深灰 */
  --danger: #ff6b6b;         /* 活力红 */
  --success: #00d8a7;        /* 成功绿 */
  --warning: #ff9f43;        /* 警告橙 */
  
  /* 背景与表面 */
  --bg: #f8fafc;             /* 浅灰背景 */
  --surface: #ffffff;        /* 白色表面 */
  --border: #e1e8ed;         /* 浅灰边框 */
  --hover: #f0f7ff;          /* 悬停蓝色 */
  
  /* 文字色 */
  --text-primary: #2c3e50;   /* 深蓝灰 */
  --text-secondary: #7f8c8d; /* 中灰 */
  --text-muted: #95a5a6;     /* 浅灰 */
}

*{ box-sizing:border-box; }
body{ margin:0; font-family:'PingFang SC', 'Helvetica Neue', Arial, sans-serif; background:var(--bg); color:var(--text-primary); line-height:1.6; }

/* 顶部导航（运动风格） */
.nav{ 
  display:flex; justify-content:space-between; align-items:center; 
  padding:16px 20px; 
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-green) 100%);
  color:white; 
  box-shadow: 0 4px 20px rgba(0,168,255,0.15);
  position:sticky; top:0; z-index:10; 
}
.nav-left{ 
  font-weight:700; font-size:20px; 
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.nav a{ text-decoration:none; }
.nav-right{ 
  display:flex; flex-wrap:nowrap; 
  overflow-x:auto; -webkit-overflow-scrolling:touch; 
  background: rgba(255,255,255,0.15);
  border-radius: 25px;
  padding: 4px;
}
.nav-right::-webkit-scrollbar{ display:none; }
.nav-right a{ 
  position:relative; margin:0 2px; 
  padding:8px 16px; 
  color:rgba(255,255,255,0.9); 
  text-decoration:none; 
  border-radius:20px; 
  transition:all 0.3s ease; 
  font-weight:500;
  white-space: nowrap;
}
.nav-right a:hover{ 
  color:white; 
  background:rgba(255,255,255,0.2); 
  transform: translateY(-2px);
}
.nav-right a.active{ 
  color:var(--primary); 
  background:white; 
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transform: translateY(-2px);
}

.container{ max-width:1000px; margin:24px auto; padding:0 20px; }

/* 通用控件 - 运动风格 */
label{ display:block; font-size:14px; color:var(--text-secondary); margin-bottom:8px; font-weight:500; }
input,select,button{ 
  padding:12px 16px; 
  font-size:14px; 
  border: 2px solid var(--border);
  border-radius: 12px;
  transition: all 0.3s ease;
}
input:focus, select:focus{ 
  outline: none; 
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,168,255,0.1);
}

/* 按钮样式 */
.primary{ 
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color:#fff; 
  border:none; 
  border-radius:12px; 
  font-weight:600;
  box-shadow: 0 4px 12px rgba(0,168,255,0.3);
  cursor: pointer;
}
.primary:hover{ 
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,168,255,0.4);
}
.secondary{ 
  background: linear-gradient(135deg, var(--accent-green) 0%, #00e6b8 100%);
  color:#fff; 
  border:none; 
  border-radius:12px; 
  font-weight:600;
  box-shadow: 0 4px 12px rgba(0,216,167,0.3);
  cursor: pointer;
}
.secondary:hover{ 
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,216,167,0.4);
}
.danger{ 
  background: linear-gradient(135deg, var(--danger) 0%, #ff8e8e 100%);
  color:#fff; 
  border:none; 
  border-radius:12px; 
  font-weight:600;
  box-shadow: 0 4px 12px rgba(255,107,107,0.3);
  cursor: pointer;
}
.danger:hover{ 
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,107,107,0.4);
}

.link{ 
  color:var(--primary); 
  text-decoration:none; 
  margin-left:8px; 
  font-weight:500;
  transition: all 0.3s ease;
}
.link:hover{ 
  color:var(--primary-dark);
  text-decoration:underline;
}

.muted{ color:var(--text-muted); }

/* 卡片样式 */
.card {
    background: white;
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    margin-bottom: 24px;
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 8px;
    border-bottom: 3px solid var(--primary);
}
.card-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 20px;
}

/* Stats Cards */
.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}
.stat-card {
    color: white;
    padding: 20px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.stat-value {
    font-size: 32px;
    font-weight: 700;
    margin: 8px 0;
}
.stat-label {
    font-size: 14px;
    opacity: 0.9;
}
.stat-icon {
    font-size: 12px;
    opacity: 0.8;
}

/* Table */
.table-responsive {
    overflow-x: auto;
}
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
}
.data-table th {
    background: linear-gradient(135deg, var(--primary-light) 0%, rgba(0,168,255,0.1) 100%);
    color: var(--text-primary);
    font-weight: 600;
    padding: 16px 20px;
    border-bottom: 2px solid var(--primary);
    text-align: left;
}
.data-table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
}
.data-table tr:nth-child(odd) {
    background: #fcfdff;
}
.data-table tr:hover {
    background: var(--hover);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 100;
    justify-content: center;
    align-items: center;
}
.modal.active {
    display: flex;
}
.modal-content {
    background: white;
    padding: 24px;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}
.tool-tabs {
    display: flex;
    gap: 10px;
    margin: 16px 0 24px 0;
}
.tab-btn {
    padding: 10px 20px;
    border: none;
    background: white;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-secondary);
}
.tab-btn.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(0,168,255,0.3);
}
.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}
.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

/* Plan Badge */
.plan-badge {
    background: #e3f2fd;
    color: #1976d2;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.calendar-wrapper { background: var(--surface); padding: 16px; border-radius: 16px; box-shadow: 0 4px 12px rgba(0,0,0,0.06); }
.calendar { width: 100%; border-collapse: separate; border-spacing: 0; }
.calendar th { padding: 8px; color: var(--text-secondary); }
.calendar td { vertical-align: top; border: 1px solid var(--border); padding: 8px; min-height: 80px; }
.calendar td.empty { background: #f5f7fa; }
.calendar .date { font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.calendar .metric { font-size: 12px; color: var(--text-secondary); }
.calendar .small { font-size: 12px; color: var(--text-muted); }
.calendar td:hover { background: var(--hover); }

.screen-card { background: #0b2e4f; color: #cfe8ff; padding: 16px; border-radius: 16px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.screen-card .label { font-size: 14px; opacity: 0.9; margin-bottom: 8px; }
.screen-card .progress-list { display: flex; flex-direction: column; gap: 12px; }
.progress-item { margin-bottom: 8px; }
.progress-title { font-size: 14px; color: #cfe8ff; margin-bottom: 6px; }
.progress { width: 100%; height: 10px; background: rgba(207,232,255,0.2); border-radius: 999px; overflow: hidden; }
.progress .fill { height: 100%; background: #4fc3f7; }

.filter-bar { background: #f8fafc; padding: 16px; border-radius: 12px; margin-bottom: 20px; }
.range-btn { padding: 8px 12px; border: none; background: #fff; border-radius: 12px; cursor: pointer; font-weight: 600; color: var(--text-secondary); border: 2px solid var(--border); }
.range-btn:hover { border-color: var(--primary); }

.card-complete {
  background: linear-gradient(135deg, rgba(0,216,167,0.1) 0%, rgba(0,216,167,0.05) 100%);
  border-left: 4px solid var(--accent-green);
  position: relative;
}
.card-incomplete {
  background: linear-gradient(135deg, rgba(255,107,107,0.1) 0%, rgba(255,107,107,0.05) 100%);
  border-left: 4px solid var(--danger);
  position: relative;
}
.num-remain { color: var(--danger); font-weight: 700; }
.num-goal  { color: var(--primary); font-weight: 700; }
.num-done  { color: var(--accent-green); font-weight: 700; }
.flag {
  position: absolute; right: 16px; top: 16px;
  width: 56px; height: 56px;
  background-size: contain; background-repeat: no-repeat; background-position: center;
  mix-blend-mode: multiply;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .container { padding: 0 12px; }
  .tool-tabs { flex-wrap: wrap; row-gap: 8px; }
  .tab-btn { padding: 8px 12px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .card-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .stat-value { font-size: 28px; }
}
@media (max-width: 480px) {
  .card { padding: 16px; }
  .data-table th, .data-table td { padding: 10px; }
  .modal-content { width: 96%; }
}

/* 完成奖励红旗（使用本地图片） */
.card-complete::after {
  content: '';
  position: absolute;
  right: 16px;
  top: 16px;
  width: 56px;
  height: 56px;
  background-image: url('images/qizi.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  mix-blend-mode: multiply;
}
.card-complete .flag { display: none; }