/* ============================================================
   团队任务管理器 — 用户端(Notion 风格)
   ============================================================ */

:root {
  --bg: #ffffff;
  --bg-soft: #f7f7f5;
  --bg-card: #ffffff;
  --bg-hover: rgba(55, 53, 47, 0.06);
  --bg-active: rgba(55, 53, 47, 0.1);
  --bg-input: #ffffff;
  --text: #37352f;
  --text-secondary: #787774;
  --text-faint: #9b9a97;
  --border: rgba(55, 53, 47, 0.14);
  --border-soft: rgba(55, 53, 47, 0.08);
  --card-shadow: rgba(15, 15, 15, 0.06) 0 0 0 1px, rgba(15, 15, 15, 0.05) 0 2px 4px;
  --card-shadow-hover: rgba(15, 15, 15, 0.1) 0 0 0 1px, rgba(15, 15, 15, 0.1) 0 4px 12px;
  --modal-shadow: rgba(15, 15, 15, 0.08) 0 0 0 1px, rgba(15, 15, 15, 0.15) 0 8px 32px;
  --accent: #2383e2;
  --accent-soft: rgba(35, 131, 226, 0.12);
  --danger: #d44c47;
  --overdue: #d44c47;
  --due-soon: #d9730d;
  --chip-urgent-bg: #ffe2dd; --chip-urgent-fg: #5d1715;
  --chip-high-bg:   #fadec9; --chip-high-fg:   #49290e;
  --chip-medium-bg: #fdecc8; --chip-medium-fg: #402c1b;
  --chip-low-bg:    #dbeddb; --chip-low-fg:    #1c3829;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #191919; --bg-soft: #202020; --bg-card: #262626;
    --bg-hover: rgba(255,255,255,0.055); --bg-active: rgba(255,255,255,0.09); --bg-input: #2c2c2c;
    --text: #d4d4d4; --text-secondary: #9b9b9b; --text-faint: #6f6f6f;
    --border: rgba(255,255,255,0.14); --border-soft: rgba(255,255,255,0.07);
    --card-shadow: rgba(255,255,255,0.075) 0 0 0 1px;
    --card-shadow-hover: rgba(255,255,255,0.14) 0 0 0 1px, rgba(0,0,0,0.3) 0 4px 12px;
    --modal-shadow: rgba(255,255,255,0.1) 0 0 0 1px, rgba(0,0,0,0.5) 0 8px 32px;
    --accent: #529cca; --accent-soft: rgba(82,156,202,0.16); --danger: #df5452;
    --overdue: #ff8a85; --due-soon: #f0a35e;
    --chip-urgent-bg: #522e2a; --chip-urgent-fg: #ffc9c2;
    --chip-high-bg:   #49290e; --chip-high-fg:   #fdd8b5;
    --chip-medium-bg: #402c1b; --chip-medium-fg: #fce8b3;
    --chip-low-bg:    #243d30; --chip-low-fg:    #b7dfc7;
  }
}
:root[data-theme="light"] {
  --bg: #ffffff; --bg-soft: #f7f7f5; --bg-card: #ffffff;
  --bg-hover: rgba(55,53,47,0.06); --bg-active: rgba(55,53,47,0.1); --bg-input: #ffffff;
  --text: #37352f; --text-secondary: #787774; --text-faint: #9b9a97;
  --border: rgba(55,53,47,0.14); --border-soft: rgba(55,53,47,0.08);
  --card-shadow: rgba(15,15,15,0.06) 0 0 0 1px, rgba(15,15,15,0.05) 0 2px 4px;
  --card-shadow-hover: rgba(15,15,15,0.1) 0 0 0 1px, rgba(15,15,15,0.1) 0 4px 12px;
  --modal-shadow: rgba(15,15,15,0.08) 0 0 0 1px, rgba(15,15,15,0.15) 0 8px 32px;
  --accent: #2383e2; --accent-soft: rgba(35,131,226,0.12); --danger: #d44c47;
  --overdue: #d44c47; --due-soon: #d9730d;
  --chip-urgent-bg: #ffe2dd; --chip-urgent-fg: #5d1715;
  --chip-high-bg:   #fadec9; --chip-high-fg:   #49290e;
  --chip-medium-bg: #fdecc8; --chip-medium-fg: #402c1b;
  --chip-low-bg:    #dbeddb; --chip-low-fg:    #1c3829;
}
:root[data-theme="dark"] {
  --bg: #191919; --bg-soft: #202020; --bg-card: #262626;
  --bg-hover: rgba(255,255,255,0.055); --bg-active: rgba(255,255,255,0.09); --bg-input: #2c2c2c;
  --text: #d4d4d4; --text-secondary: #9b9b9b; --text-faint: #6f6f6f;
  --border: rgba(255,255,255,0.14); --border-soft: rgba(255,255,255,0.07);
  --card-shadow: rgba(255,255,255,0.075) 0 0 0 1px;
  --card-shadow-hover: rgba(255,255,255,0.14) 0 0 0 1px, rgba(0,0,0,0.3) 0 4px 12px;
  --modal-shadow: rgba(255,255,255,0.1) 0 0 0 1px, rgba(0,0,0,0.5) 0 8px 32px;
  --accent: #529cca; --accent-soft: rgba(82,156,202,0.16); --danger: #df5452;
  --overdue: #ff8a85; --due-soon: #f0a35e;
  --chip-urgent-bg: #522e2a; --chip-urgent-fg: #ffc9c2;
  --chip-high-bg:   #49290e; --chip-high-fg:   #fdd8b5;
  --chip-medium-bg: #402c1b; --chip-medium-fg: #fce8b3;
  --chip-low-bg:    #243d30; --chip-low-fg:    #b7dfc7;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, select, textarea { font: inherit; color: var(--text); }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px;
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; } }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  height: 56px; padding: 0 24px;
  background: var(--bg);
  border-bottom: 1px solid var(--border-soft);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; }
.brand-icon { font-size: 20px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }

.bell-btn {
  position: relative;
  width: 36px; height: 36px; border-radius: 8px;
  font-size: 18px; display: inline-flex; align-items: center; justify-content: center;
  transition: background 0.1s;
}
.bell-btn:hover { background: var(--bg-hover); }
.badge {
  position: absolute; top: 2px; right: 2px;
  min-width: 16px; height: 16px; padding: 0 4px;
  border-radius: 8px; background: var(--danger); color: #fff;
  font-size: 10px; font-weight: 700; line-height: 16px; text-align: center;
  font-variant-numeric: tabular-nums;
}

.user-chip {
  display: flex; align-items: center; gap: 7px; font-size: 13.5px;
  padding: 4px 8px 4px 4px; border-radius: 20px; cursor: pointer;
  transition: background 0.1s;
}
.user-chip:hover { background: var(--bg-hover); }
.avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600;
}
.icon-btn {
  width: 34px; height: 34px; border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--text-secondary); transition: background 0.1s;
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text); }
.icon-btn.danger:hover { color: var(--danger); background: rgba(212,76,71,0.1); }

.ghost-btn {
  padding: 6px 12px; border-radius: 7px;
  color: var(--text-secondary); font-size: 13.5px; transition: background 0.1s;
}
.ghost-btn:hover { background: var(--bg-hover); }
.primary-btn {
  padding: 7px 15px; border-radius: 7px;
  background: var(--accent); color: #fff; font-size: 13.5px; font-weight: 500;
  transition: opacity 0.1s;
}
.primary-btn:hover { opacity: 0.88; }
.danger-btn { padding: 6px 12px; border-radius: 7px; color: var(--danger); font-size: 13.5px; }
.danger-btn:hover { background: rgba(212,76,71,0.1); }

/* ---------- 主体 ---------- */
.content { max-width: 860px; margin: 0 auto; padding: 32px 24px 60px; }
.page-head { margin-bottom: 22px; }
.page-title { font-size: 28px; font-weight: 700; letter-spacing: -0.01em; }

.stat-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.stat-chip {
  display: flex; align-items: baseline; gap: 7px;
  padding: 8px 14px; border: 1px solid var(--border-soft);
  border-radius: 9px; background: var(--bg-card);
}
.stat-num { font-size: 19px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-num.is-overdue { color: var(--overdue); }
.stat-label { font-size: 12px; color: var(--text-secondary); }

.toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 16px;
}
.tabs { display: flex; gap: 2px; flex-wrap: wrap; }
.tab {
  padding: 6px 12px; border-radius: 7px; font-size: 13.5px;
  color: var(--text-secondary); transition: background 0.1s;
}
.tab:hover { background: var(--bg-hover); }
.tab.active { background: var(--bg-active); color: var(--text); font-weight: 500; }

/* ---------- 任务卡片 ---------- */
.task-list { display: flex; flex-direction: column; gap: 12px; }

.tk-card {
  display: flex; gap: 16px; align-items: stretch;
  background: var(--bg-card); border-radius: 12px;
  box-shadow: var(--card-shadow); padding: 16px 18px;
  transition: box-shadow 0.12s;
}
.tk-card:hover { box-shadow: var(--card-shadow-hover); }
.tk-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.tk-title { font-size: 15.5px; font-weight: 600; line-height: 1.4; cursor: pointer; }
.tk-title:hover { color: var(--accent); }
.tk-title.is-done { text-decoration: line-through; color: var(--text-faint); }
.tk-desc { font-size: 13px; color: var(--text-secondary); }
.tk-chips { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 2px; }

.chip { padding: 2px 9px; border-radius: 5px; font-size: 12px; font-weight: 500; white-space: nowrap; }
.chip-urgent { background: var(--chip-urgent-bg); color: var(--chip-urgent-fg); }
.chip-high   { background: var(--chip-high-bg);   color: var(--chip-high-fg); }
.chip-medium { background: var(--chip-medium-bg); color: var(--chip-medium-fg); }
.chip-low    { background: var(--chip-low-bg);    color: var(--chip-low-fg); }
.due { font-size: 12px; color: var(--text-secondary); font-variant-numeric: tabular-nums; white-space: nowrap; }
.due.is-overdue { color: var(--overdue); font-weight: 600; }
.due.is-soon { color: var(--due-soon); font-weight: 500; }

.tk-controls {
  flex-shrink: 0; width: 180px;
  display: flex; flex-direction: column; gap: 10px; justify-content: center;
  border-left: 1px solid var(--border-soft); padding-left: 16px;
}
.tk-prog { display: flex; flex-direction: column; gap: 5px; }
.tk-prog-row { display: flex; justify-content: space-between; align-items: baseline; }
.tk-prog-label { font-size: 11px; color: var(--text-faint); }
.tk-prog-num { font-size: 12px; font-weight: 600; color: var(--accent); font-variant-numeric: tabular-nums; }
.tk-progress { width: 100%; accent-color: var(--accent); cursor: pointer; }
.tk-status {
  padding: 5px 8px; border: 1px solid var(--border); border-radius: 7px;
  background: var(--bg-input); font-size: 13px; cursor: pointer; width: 100%;
}
.tk-actions { display: flex; gap: 4px; justify-content: flex-end; }
.tk-actions .icon-btn { width: 30px; height: 30px; font-size: 15px; }

/* 空状态 */
.empty {
  text-align: center; padding: 60px 20px; color: var(--text-secondary);
  border: 1px dashed var(--border); border-radius: 12px;
}
.empty-icon { font-size: 40px; margin-bottom: 10px; }
.empty-title { font-size: 15px; font-weight: 600; color: var(--text); }
.empty-sub { font-size: 13px; margin-top: 4px; }

/* ---------- 登录 ---------- */
.login-overlay {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: center; justify-content: center; padding: 24px;
  background: radial-gradient(1200px 600px at 80% -10%, var(--accent-soft), transparent 60%), var(--bg-soft);
}
.login-card {
  width: 360px; max-width: 100%;
  background: var(--bg-card); border: 1px solid var(--border-soft);
  border-radius: 14px; box-shadow: var(--modal-shadow);
  padding: 32px 28px 24px; display: flex; flex-direction: column; gap: 12px;
}
.login-logo { font-size: 40px; }
.login-title { font-size: 22px; font-weight: 700; }
.login-sub { color: var(--text-secondary); font-size: 13.5px; margin-bottom: 6px; }
.login-field { display: flex; flex-direction: column; gap: 5px; }
.login-field span { font-size: 12px; font-weight: 600; color: var(--text-secondary); }
.login-field input { padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-input); font-size: 14px; }
.login-error { min-height: 18px; color: var(--danger); font-size: 12.5px; }
.login-btn { padding: 10px; font-size: 15px; border-radius: 8px; margin-top: 2px; }
.login-hint { margin-top: 4px; font-size: 12px; color: var(--text-faint); text-align: center; }
.login-hint a { color: var(--accent); text-decoration: none; }
.login-hint a:hover { text-decoration: underline; }

/* ---------- 弹窗 ---------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(15,15,15,0.55);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 8vh 16px 16px;
}
.modal {
  width: 500px; max-width: 100%; max-height: 84vh; overflow-y: auto;
  background: var(--bg); border-radius: 12px; box-shadow: var(--modal-shadow);
}
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px 0; }
.modal-head h2 { font-size: 18px; font-weight: 600; }
.modal-body { padding: 14px 20px 20px; display: flex; flex-direction: column; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 5px; flex: 1; }
.field-label { font-size: 12px; font-weight: 600; color: var(--text-secondary); }
.field input[type="text"], .field textarea {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 7px;
  background: var(--bg-input); font-size: 14px; resize: vertical;
}
.field select, .field input[type="date"] {
  padding: 8px; border: 1px solid var(--border); border-radius: 7px;
  background: var(--bg-input); font-size: 14px; width: 100%; cursor: pointer;
}
.field input[type="range"] { accent-color: var(--accent); cursor: pointer; }
.field-row { display: flex; gap: 12px; }
.progress-val { color: var(--accent); font-variant-numeric: tabular-nums; }
.modal-actions { display: flex; align-items: center; gap: 8px; padding-top: 6px; border-top: 1px solid var(--border-soft); }
.spacer { flex: 1; }
.field-divider {
  margin: 2px 0 -2px; padding-top: 12px;
  border-top: 1px solid var(--border-soft);
  font-size: 12px; font-weight: 600; color: var(--text-faint);
}

/* ---------- 消息抽屉 ---------- */
.drawer-overlay {
  position: fixed; inset: 0; z-index: 150;
  background: rgba(15,15,15,0.4);
  display: flex; justify-content: flex-end;
}
.drawer {
  width: 400px; max-width: 100%; height: 100%;
  background: var(--bg); box-shadow: var(--modal-shadow);
  display: flex; flex-direction: column;
  animation: slideIn 0.2s ease;
}
@keyframes slideIn { from { transform: translateX(30px); opacity: 0.6; } to { transform: translateX(0); opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .drawer { animation: none; } }
.drawer-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px; border-bottom: 1px solid var(--border-soft);
}
.drawer-head h2 { font-size: 17px; font-weight: 600; }
.msg-list { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.msg-item {
  padding: 14px 16px; border-radius: 10px;
  background: var(--bg-soft); border: 1px solid var(--border-soft);
}
.msg-item.unread { border-color: var(--accent); background: var(--accent-soft); }
.msg-item.pwd-reminder {
  border-color: var(--due-soon);
  background: color-mix(in srgb, var(--due-soon) 12%, transparent);
}
.msg-item.pwd-reminder .msg-title { color: var(--due-soon); }
.msg-item-head { display: flex; align-items: center; gap: 8px; }
.msg-title { font-size: 14.5px; font-weight: 600; flex: 1; }
.msg-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.msg-body { font-size: 13px; color: var(--text-secondary); margin-top: 6px; white-space: pre-wrap; }
.msg-meta { font-size: 11.5px; color: var(--text-faint); margin-top: 8px; }
.msg-empty, .msg-loading { text-align: center; color: var(--text-faint); font-size: 13px; padding: 40px 0; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 28px;
  transform: translateX(-50%) translateY(12px); z-index: 300;
  padding: 10px 18px; border-radius: 8px;
  background: #2c2c2c; color: #fff; font-size: 13.5px;
  box-shadow: rgba(0,0,0,0.25) 0 6px 20px;
  opacity: 0; pointer-events: none; transition: opacity 0.2s, transform 0.2s;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .topbar { padding: 0 14px; }
  .user-chip #userName { display: none; }
  .content { padding: 22px 16px 48px; }
  .tk-card { flex-direction: column; gap: 12px; }
  .tk-controls { width: 100%; border-left: none; border-top: 1px solid var(--border-soft); padding-left: 0; padding-top: 12px; }
}