:root {
  --bg: #0a0a0f;
  --bg-soft: #141419;
  --panel: #141419;
  --panel-2: #1e1e24;
  --panel-3: #2a2a30;
  --border: #2a2a30;
  --border-soft: #1e1e24;
  --green: #4ade80;
  --green-2: #22c55e;
  --green-soft: #6ee7b7;
  --green-grad: linear-gradient(135deg, #6ee7b7 0%, #4ade80 45%, #22c55e 100%);
  --text: #f9fafb;
  --text-dim: #9ca3af;
  --text-faint: #6b7280;
  --danger: #ef4444;
  --success: #22c55e;
  --warn: #fbbf24;
  --radius: 14px;
  --radius-lg: 16px;
  --radius-sm: 8px;
  --font: "Segoe UI", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

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

html, body { height: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green); text-decoration: none; }
a:hover { color: var(--green-soft); }

/* ---------- 布局 ---------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 232px;
  flex-shrink: 0;
  background: linear-gradient(180deg, #0d0d12 0%, #0a0a0f 100%);
  border-right: 1px solid var(--border-soft);
  padding: 22px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px 20px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--green-grad);
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #0a0a0f;
  font-size: 18px;
  box-shadow: 0 0 18px rgba(74, 222, 128, 0.35);
}

.brand-name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 1px;
  background: var(--green-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 12px;
  border-radius: 10px;
  color: var(--text-dim);
  font-size: 14px;
  transition: all 0.18s ease;
  border-left: 3px solid transparent;
}

.nav-item:hover { background: var(--panel-2); color: var(--text); }
.nav-item.active {
  background: var(--panel-2);
  color: var(--text);
  border-left-color: var(--green);
}

.nav-item .ico { width: 18px; text-align: center; }

.sidebar-foot {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--border-soft);
  font-size: 13px;
  color: var(--text-faint);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.main {
  flex: 1;
  min-width: 0;
  padding: 26px 34px 60px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 26px;
  gap: 16px;
  flex-wrap: wrap;
}

.page-title { font-size: 24px; font-weight: 700; letter-spacing: 0.3px; color: var(--text); }
.page-sub { color: var(--text-dim); font-size: 13px; margin-top: 4px; }

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 6px 14px 6px 8px;
  font-size: 13px;
}

.avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--green-grad);
  color: #0a0a0f;
  font-weight: 700;
  display: grid;
  place-items: center;
  font-size: 14px;
}

.role-tag {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--green);
}

/* ---------- 卡片 / 统计 ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--text);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 26px;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-top: 3px solid var(--green);
  border-radius: var(--radius-lg);
  padding: 18px;
  transition: border-color 0.18s ease;
}
.stat:hover { border-color: var(--border); }

.stat .num { font-size: 32px; font-weight: 700; background: var(--green-grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
.stat .lbl { color: var(--text-dim); font-size: 13px; margin-top: 4px; }
.stat.danger { border-top-color: var(--danger); }
.stat.danger .num { background: linear-gradient(135deg, #fca5a5, #ef4444); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- 网格 ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th {
  text-align: left;
  padding: 10px 12px;
  color: var(--text-faint);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-soft);
}
td { padding: 12px; border-bottom: 1px solid var(--border-soft); vertical-align: middle; }
tr:hover td { background: rgba(74, 222, 128, 0.03); }

/* ---------- 徽章 ---------- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid transparent;
}
.badge.todo { border-color: #4b5563; color: #9ca3af; }
.badge.doing { border-color: var(--green); color: var(--green); background: rgba(74, 222, 128, 0.1); }
.badge.done { border-color: var(--success); color: var(--success); background: rgba(34, 197, 94, 0.1); }
.badge.low { border-color: #4b5563; color: #9ca3af; }
.badge.medium { border-color: var(--green); color: var(--green); }
.badge.high { border-color: var(--warn); color: var(--warn); background: rgba(251, 191, 36, 0.1); }
.badge.urgent { border-color: var(--danger); color: var(--danger); background: rgba(239, 68, 68, 0.12); }
.badge.role-admin { border-color: var(--green); color: var(--green); }
.badge.role-manager { border-color: var(--green-2); color: var(--green-soft); }
.badge.role-member { border-color: #4b5563; color: #9ca3af; }
.badge.role-viewer { border-color: #4b5563; color: #9ca3af; }
.badge.archived { border-color: var(--text-faint); color: var(--text-faint); }
.badge.online { border-color: var(--success); color: var(--success); background: rgba(34, 197, 94, 0.12); }
.badge.offline { border-color: #4b5563; color: #9ca3af; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.16s ease;
  font-family: var(--font);
}
.btn:hover { border-color: var(--green); color: var(--green); }
.btn-primary {
  background: var(--green);
  color: #0a0a0f;
  border: none;
  box-shadow: 0 4px 16px rgba(74, 222, 128, 0.25);
}
.btn-primary:hover { color: #0a0a0f; filter: brightness(1.06); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text-dim); }
.btn-danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: rgba(239, 68, 68, 0.12); color: var(--danger); }
.btn-sm { padding: 5px 12px; font-size: 12.5px; }
.btn-block { width: 100%; justify-content: center; }

/* ---------- 表单 ---------- */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 6px; }
.form-control {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 14px;
  font-family: var(--font);
}
.form-control:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.12); }
select.form-control option { background: var(--panel); }
.form-actions { display: flex; gap: 10px; margin-top: 8px; }

.errorlist { list-style: none; color: var(--danger); font-size: 13px; margin-bottom: 10px; }
.errorlist li { margin-bottom: 2px; }

/* ---------- 消息 ---------- */
.messages { margin-bottom: 18px; }
.messages .msg {
  padding: 11px 15px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 9px;
  border: 1px solid;
}
.messages .msg.success { border-color: var(--success); color: var(--success); background: rgba(34, 197, 94, 0.08); }
.messages .msg.error { border-color: var(--danger); color: var(--danger); background: rgba(239, 68, 68, 0.08); }
.messages .msg.warning { border-color: var(--warn); color: var(--warn); background: rgba(251, 191, 36, 0.08); }
.messages .msg.info { border-color: var(--green); color: var(--green); background: rgba(74, 222, 128, 0.1); }

/* ---------- 项目卡片 ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}
.project-card {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: transform 0.18s ease, border-color 0.18s ease;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.project-card:hover { transform: translateY(-3px); border-color: var(--green); }
.project-card h3 { font-size: 17px; }
.project-card .desc { color: var(--text-dim); font-size: 13px; min-height: 40px; }
.progress { height: 6px; background: var(--panel-2); border-radius: 999px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--green-grad); border-radius: 999px; }
.project-card .meta { display: flex; justify-content: space-between; color: var(--text-faint); font-size: 12px; }

/* ---------- 任务列表 / 看板 ---------- */
.task-list { display: flex; flex-direction: column; gap: 10px; }
.task-item {
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-left: 3px solid var(--green);
  border-radius: 12px;
  padding: 14px 16px;
  transition: border-color 0.16s ease;
}
.task-item:hover { border-color: var(--green); }
.task-item.urgent { border-left-color: var(--danger); }
.task-item.high { border-left-color: var(--warn); }
.task-item.done { opacity: 0.6; }
.task-item .t-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.task-item .t-title { font-weight: 600; font-size: 15px; }
.task-item .t-meta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; color: var(--text-faint); font-size: 12.5px; }
.task-item .t-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.subtask {
  margin-left: 22px;
  margin-top: 8px;
  border-left: 2px solid var(--border-soft);
  padding-left: 14px;
  font-size: 13.5px;
}

.board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .board { grid-template-columns: 1fr; } }
.board-col { background: var(--bg-soft); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: 14px; }
.board-col h4 { font-size: 13px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 12px; display: flex; justify-content: space-between; }
.board-col .cards { display: flex; flex-direction: column; gap: 10px; }

/* ---------- 评论 ---------- */
.comment { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border-soft); }
.comment .c-body { flex: 1; }
.comment .c-meta { font-size: 12px; color: var(--text-faint); margin-bottom: 4px; }

/* ---------- 认证页 ---------- */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(1100px 480px at 50% -10%, rgba(74, 222, 128, 0.12), transparent 60%),
    radial-gradient(800px 400px at 90% 110%, rgba(34, 197, 94, 0.1), transparent 60%),
    var(--bg);
}
.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 34px 32px;
}
.auth-card .brand-mark { margin: 0 auto 14px; width: 46px; height: 46px; font-size: 24px; border-radius: 12px; }
.auth-card h1 { text-align: center; font-size: 22px; margin-bottom: 4px; }
.auth-card .sub { text-align: center; color: var(--text-dim); font-size: 13px; margin-bottom: 24px; }
.auth-alt { text-align: center; font-size: 13px; color: var(--text-dim); margin-top: 16px; }

/* ---------- 工具 ---------- */
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.right { margin-left: auto; }
.muted { color: var(--text-faint); }
.empty { padding: 26px; text-align: center; color: var(--text-faint); border: 1px dashed var(--border); border-radius: var(--radius-lg); }
.search-input { max-width: 260px; }

@media (max-width: 760px) {
  .sidebar { width: 64px; padding: 16px 8px; }
  .brand-name, .nav-item span, .sidebar-foot { display: none; }
  .nav-item { justify-content: center; }
  .main { padding: 20px 16px 50px; }
}