/* 外研在线二期 · 项目管理平台样式 v2 */

:root {
  --primary: #3370FF; --primary-light: #E1EAFF;
  --success: #00B578; --success-bg: #E8F8F0;
  --warning: #FF8800; --warning-bg: #FFF3E0;
  --danger: #F53F3F; --danger-bg: #FFECE8;
  --p0-color: #F53F3F; --p1-color: #FF8800; --p2-color: #3370FF;
  --gray-50: #F5F6F8; --gray-100: #EBECF0; --gray-200: #D0D3D9;
  --gray-400: #86909C; --gray-600: #646A73; --gray-800: #1F2329;
  --radius: 6px; --shadow: 0 1px 3px rgba(0,0,0,0.06);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--gray-50); color: var(--gray-800); font-size: 14px; line-height: 1.6; min-height: 100vh;
}

/* ===== 导航栏 ===== */
.navbar {
  background: #fff; border-bottom: 1px solid var(--gray-100);
  position: sticky; top: 0; z-index: 100;
  padding: 0 24px; display: flex; align-items: center; gap: 6px; height: 60px;
  box-shadow: var(--shadow);
}
.navbar .brand { font-size: 18px; font-weight: 700; color: var(--primary); margin-right: 24px; white-space: nowrap; }
.navbar a { color: var(--gray-600); text-decoration: none; padding: 8px 18px; border-radius: var(--radius); font-size: 15px; transition: all 0.15s; white-space: nowrap; }
.navbar a:hover { background: var(--gray-50); color: var(--gray-800); }
.navbar a.active { background: var(--primary-light); color: var(--primary); font-weight: 500; }
.navbar .nav-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.navbar .logout-btn { font-size: 12px; color: var(--danger); }

/* ===== 主容器 ===== */
.container { max-width: 1400px; margin: 0 auto; padding: 16px 24px; }
.container-wide { max-width: 100%; }

/* ===== 卡片 ===== */
.card { background: #fff; border-radius: var(--radius); padding: 14px 18px; box-shadow: var(--shadow); margin-bottom: 12px; }
.card h2 { font-size: 14px; font-weight: 600; margin-bottom: 10px; padding-bottom: 8px; border-bottom: 1px solid var(--gray-100); }

/* ===== 统计卡片 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; margin-bottom: 12px; }
.stat-card { background: #fff; border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow); text-align: center; cursor: pointer; transition: transform 0.15s; }
.stat-card:hover { transform: translateY(-1px); }
.stat-card .stat-num { font-size: 24px; font-weight: 700; color: var(--primary); }
.stat-card .stat-label { font-size: 11px; color: var(--gray-400); margin-top: 2px; }
.stat-card.success .stat-num { color: var(--success); }
.stat-card.warning .stat-num { color: var(--warning); }
.stat-card.danger .stat-num { color: var(--danger); }

/* ===== 表格 ===== */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 6px 8px; text-align: left; border-bottom: 1px solid var(--gray-100); overflow: hidden; text-overflow: ellipsis; vertical-align: top; }
th { background: var(--gray-50); font-weight: 500; color: var(--gray-600); font-size: 12px; white-space: nowrap; position: sticky; top: 0; }
tr:hover td { background: #FAFBFC; }

/* 表格内表单控件 */
.td-select { width: 100%; padding: 3px 4px; border: 1px solid transparent; border-radius: 3px; font-size: 12px; background: transparent; cursor: pointer; font-family: inherit; }
.td-select:hover, .td-select:focus { border-color: var(--gray-200); outline: none; background: #fff; }
.td-input, input.td-input, textarea.td-input { width: 100%; padding: 3px 4px; border: 1px solid transparent; border-radius: 3px; font-size: 12px; background: transparent; font-family: inherit; -webkit-autofill: -webkit-box-shadow: 0 0 0 100px #fff inset !important; }
.td-input:hover, .td-input:focus, textarea.td-input:focus { border-color: var(--gray-200); outline: none; background: #fff; }
.td-textarea, textarea.td-textarea { width: 100%; padding: 3px 4px; border: 1px solid transparent; border-radius: 3px; font-size: 12px; background: transparent; font-family: inherit; resize: vertical; min-height: 24px; -webkit-autofill: -webkit-box-shadow: 0 0 0 100px #fff inset !important; }
.td-textarea:hover, .td-textarea:focus, textarea.td-textarea:focus { border-color: var(--gray-200); outline: none; background: #fff; }
.td-update { padding: 3px 12px; font-size: 12px; background: var(--primary); color: #fff; border: none; border-radius: 3px; cursor: pointer; white-space: nowrap; }
.td-update:hover { opacity: 0.85; }
.strikethrough { text-decoration: line-through; color: var(--gray-400); }
.row-done { opacity: 0.65; }

/* ===== 状态标签 ===== */
.badge { display: inline-block; padding: 1px 6px; border-radius: 10px; font-size: 11px; font-weight: 500; white-space: nowrap; }
.badge-done { background: var(--success-bg); color: var(--success); }
.badge-in_progress { background: var(--primary-light); color: var(--primary); }
.badge-pending { background: var(--gray-100); color: var(--gray-600); }
.badge-blocked { background: var(--danger-bg); color: var(--danger); }

/* 优先级颜色 */
.prio-p0 { color: var(--p0-color); font-weight: 600; }
.prio-p1 { color: var(--p1-color); font-weight: 600; }
.prio-p2 { color: var(--p2-color); font-weight: 600; }

/* ===== 按钮 ===== */
.btn { display: inline-block; padding: 4px 12px; border: 1px solid var(--gray-200); border-radius: var(--radius); background: #fff; color: var(--gray-800); font-size: 12px; cursor: pointer; text-decoration: none; transition: all 0.15s; }
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { opacity: 0.9; }
.btn-sm { padding: 1px 6px; font-size: 11px; }
.btn-danger { border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger-bg); }

/* ===== 表单 ===== */
.form-group { margin-bottom: 8px; }
.form-group label { display: block; font-size: 12px; font-weight: 500; margin-bottom: 2px; color: var(--gray-600); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 5px 8px; border: 1px solid var(--gray-200); border-radius: var(--radius);
  font-size: 12px; font-family: inherit; transition: border-color 0.15s;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

/* ===== 消息提示 ===== */
.flash-msg { padding: 6px 12px; border-radius: var(--radius); margin-bottom: 10px; font-size: 12px; }
.flash-success { background: var(--success-bg); color: var(--success); border: 1px solid var(--success); }
.flash-error { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger); }

/* ===== 分组标题 ===== */
.section-title { font-size: 13px; font-weight: 600; margin: 12px 0 6px 0; padding-left: 6px; border-left: 3px solid var(--primary); }
.sub-section-title { font-size: 12px; font-weight: 500; color: var(--gray-600); margin: 8px 0 4px; }

/* ===== 进度详情 ===== */
.progress-log { font-size: 10px; color: var(--gray-600); margin-top: 2px; padding: 2px 4px; background: var(--gray-50); border-radius: 3px; max-height: 60px; overflow-y: auto; }
.progress-log .log-item { padding: 1px 0; }
.progress-log .log-item + .log-item { border-top: 1px dotted var(--gray-200); }

/* ===== 登录页 ===== */
.login-wrapper { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--gray-50); }
.login-card { background: #fff; border-radius: 12px; padding: 36px; width: 360px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
.login-card h1 { font-size: 20px; text-align: center; margin-bottom: 4px; }
.login-card .subtitle { text-align: center; font-size: 12px; color: var(--gray-400); margin-bottom: 24px; }
.login-card input { width: 100%; padding: 8px 12px; font-size: 14px; border: 1px solid var(--gray-200); border-radius: var(--radius); margin-bottom: 12px; }

/* ===== 占位 ===== */
.placeholder { text-align: center; padding: 50px 20px; color: var(--gray-400); }
.placeholder p { font-size: 13px; margin-top: 8px; }

/* ===== 页脚 ===== */
.footer { text-align: center; padding: 18px; color: var(--gray-400); font-size: 11px; }

/* ===== 甘特图(计划看板) ===== */
.gantt-wrap { overflow-x: auto; margin-top: 10px; border: 1px solid var(--gray-200); border-radius: 4px; }
.gantt-scroll { min-width: max(100%, 800px); }
.gantt-header { display: flex; height: 28px; background: var(--gray-50); border-bottom: 1px solid var(--gray-200); position: sticky; top: 0; }
.gantt-header .gh-label { width: 120px; flex-shrink: 0; font-size: 10px; padding: 5px 6px; font-weight: 500; color: var(--gray-600); border-right: 1px solid var(--gray-200); }
.gantt-header .gh-day { width: 16px; flex-shrink: 0; font-size: 7px; text-align: center; color: var(--gray-400); padding: 1px 0; }
.gantt-header .gh-day.weekend { color: var(--danger); }
.gantt-row { display: flex; height: 20px; border-bottom: 1px solid var(--gray-100); }
.gantt-row .gr-label { width: 120px; flex-shrink: 0; font-size: 10px; padding: 2px 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--gray-600); border-right: 1px solid var(--gray-200); background: #fff; }
.gantt-row .gr-cell { width: 16px; height: 20px; flex-shrink: 0; }
.gantt-row .gr-cell.has-task { cursor: pointer; margin: 2px 0; height: 16px; }
.gr-cell.first { border-top-left-radius: 2px; border-bottom-left-radius: 2px; }
.gr-cell.last { border-top-right-radius: 2px; border-bottom-right-radius: 2px; }
.gr-cell.first.last { border-radius: 2px; }

/* ===== 里程碑甘特图(仪表盘) ===== */
.chart-wrap { position: relative; width: 100%; height: 340px; margin: 12px 0; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .navbar { flex-wrap: wrap; height: auto; padding: 6px 8px; gap: 2px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .container { padding: 8px; }
  .card { padding: 10px 12px; }
}