/* ============================================================
   个人服务器工作台 · 商务风格样式
   重点：超时任务「流动光效边框 + 底色醒目高亮」，持续存在直到完成
   ============================================================ */

:root {
  --navy-900: #16233a;
  --navy-800: #1f3a5f;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --bg: #f2f5f9;
  --card: #ffffff;
  --line: #e3e8ef;
  --text: #1e293b;
  --text-2: #64748b;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --warn: #ea580c;
  --ok: #16a34a;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(22, 35, 58, .08), 0 4px 14px rgba(22, 35, 58, .06);
}

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
}
.hidden { display: none !important; }
em { font-style: normal; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid transparent; border-radius: 8px;
  padding: 9px 18px; font-size: 14px; cursor: pointer;
  transition: all .15s ease; user-select: none; white-space: nowrap;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--blue-600); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--blue-700); }
.btn-outline { background: #fff; border-color: #cbd5e1; color: var(--text); }
.btn-outline:hover:not(:disabled) { border-color: var(--blue-600); color: var(--blue-600); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-ghost { background: transparent; color: #cbd5e1; border-color: #3b5378; }
.btn-ghost:hover { color: #fff; border-color: #fff; }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; }
.btn-link { background: none; border: none; color: var(--blue-600); cursor: pointer; font-size: 13px; padding: 4px 8px; }
.btn-link:hover { text-decoration: underline; }

/* ---------------- 登录页 ---------------- */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--navy-900) 0%, #24466e 55%, #31567f 100%);
  padding: 20px;
}
.login-card {
  width: 400px; max-width: 100%;
  background: #fff; border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,.35);
  padding: 42px 38px 28px; text-align: center;
}
.login-logo {
  width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 14px;
  background: var(--navy-800); color: #fff; font-size: 28px; line-height: 56px; font-weight: bold;
}
.login-card h1 { font-size: 21px; color: var(--navy-900); letter-spacing: 1px; }
.login-sub { color: var(--text-2); font-size: 13px; margin: 6px 0 26px; }
.login-error {
  background: var(--danger-bg); color: var(--danger);
  font-size: 13px; padding: 8px 12px; border-radius: 8px; margin-bottom: 14px; text-align: left;
}
.login-foot { margin-top: 22px; font-size: 12px; color: #94a3b8; }

/* ---------------- 表单字段 ---------------- */
.field { display: block; text-align: left; margin-bottom: 16px; position: relative; }
.field > span { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; color: #334155; }
.field .req { color: var(--danger); font-style: normal; }
.field .opt { color: #94a3b8; font-weight: 400; }
.field input, .field textarea, .field select {
  width: 100%; border: 1px solid #cbd5e1; border-radius: 8px;
  padding: 10px 12px; font-size: 14.5px; font-family: inherit; background: #fff;
  transition: border-color .15s, box-shadow .15s; outline: none;
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--blue-600); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}
.field.invalid input, .field.invalid textarea { border-color: var(--danger); }
.field textarea { resize: vertical; min-height: 84px; }
.field-count { position: absolute; right: 2px; bottom: -18px; font-size: 12px; color: #94a3b8; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field-err { display: block; color: var(--danger); font-size: 12.5px; margin-top: 5px; min-height: 15px; }

/* ---------------- 顶栏 ---------------- */
.topbar { background: linear-gradient(90deg, var(--navy-900), #24466e); color: #fff; position: sticky; top: 0; z-index: 50; box-shadow: var(--shadow); }
.topbar-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 24px; height: 60px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 32px; height: 32px; background: var(--blue-600); border-radius: 8px;
  text-align: center; line-height: 32px; font-weight: bold; font-size: 17px;
}
.brand-name { font-size: 17px; font-weight: 700; letter-spacing: .5px; }
.brand-module {
  font-size: 12px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.25);
  padding: 2px 10px; border-radius: 999px; color: #dbeafe;
}
.topbar-right { display: flex; align-items: center; gap: 14px; }
.today-text { font-size: 13px; color: #cbd5e1; }
.user-chip { font-size: 13.5px; background: rgba(255,255,255,.12); padding: 4px 12px; border-radius: 999px; }

/* ---------------- 布局容器 ---------------- */
.container { max-width: 1280px; margin: 0 auto; padding: 22px 24px 40px; }

/* 工具栏 */
.toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
.toolbar-left { display: flex; gap: 10px; flex-wrap: wrap; }
.toolbar-stats { font-size: 13.5px; color: var(--text-2); display: flex; gap: 16px; }
.toolbar-stats b { color: var(--text); }
.toolbar-stats .st-overdue b { color: var(--danger); }
.toolbar-stats .st-done b { color: var(--ok); }

/* 标签筛选栏 */
.filter-bar {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 16px; margin-bottom: 18px; box-shadow: var(--shadow);
}
.filter-label { font-size: 13.5px; color: var(--text-2); font-weight: 600; }
.tag-chips { display: flex; flex-wrap: wrap; gap: 8px; flex: 1; }
.tag-chips .chip-empty { color: #94a3b8; font-size: 13px; }
.chip {
  font-size: 12.5px; padding: 4px 12px; border-radius: 999px; cursor: pointer;
  background: #f1f5f9; border: 1px solid #e2e8f0; color: #475569; transition: all .12s;
}
.chip:hover { border-color: var(--blue-600); color: var(--blue-600); }
.chip.active { background: var(--blue-600); border-color: var(--blue-600); color: #fff; }

/* ---------------- 双区块看板 ---------------- */
.board { display: grid; grid-template-columns: repeat(auto-fit, minmax(430px, 1fr)); gap: 20px; align-items: start; }
.board-title { font-size: 16px; display: flex; align-items: center; gap: 8px; margin-bottom: 12px; color: var(--navy-900); }
.board-title em {
  font-size: 12.5px; background: #e8edf4; color: var(--text-2);
  padding: 1px 10px; border-radius: 999px;
}
.dot { width: 9px; height: 9px; border-radius: 50%; }
.dot-todo { background: var(--warn); box-shadow: 0 0 0 3px rgba(234,88,12,.15); }
.dot-done { background: var(--ok); box-shadow: 0 0 0 3px rgba(22,163,74,.15); }

.task-list { display: flex; flex-direction: column; gap: 12px; min-height: 60px; }
.list-empty {
  background: #fff; border: 1.5px dashed #d3dae4; border-radius: var(--radius);
  padding: 30px 16px; text-align: center; color: #94a3b8; font-size: 13.5px;
}

/* ---------------- 任务卡片 ----------------
   普通卡片：白底细线；
   超时卡片：外层流动渐变边框 + 内层醒目底色，动画永久持续 */
.task-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px 12px; box-shadow: var(--shadow); position: relative;
  transition: transform .12s ease, box-shadow .12s ease;
}
.task-card:not(.overdue):hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(22,35,58,.12); }

.task-card.done-card { background: #fafcfa; opacity: .82; }
.task-card.done-card .task-title { text-decoration: line-through; color: var(--text-2); font-weight: 500; }

/* ⭐ 超时高亮：流动光效边框（多层渐变位移）+ 醒目底色呼吸 */
.task-card.overdue { border: none; padding: 2px; overflow: hidden; }
.task-card.overdue::before {
  content: ""; position: absolute; inset: -120%;
  background: conic-gradient(#dc2626, #f97316, #fbbf24, #dc2626, #b91c1c, #dc2626);
  animation: flowBorder 2.6s linear infinite; z-index: 0;
}
@keyframes flowBorder {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.task-card.overdue > .task-inner {
  position: relative; z-index: 1; border-radius: 10px;
  background: linear-gradient(180deg, #fff1f0 0%, #ffe4e2 100%);
  animation: overdueBreath 1.8s ease-in-out infinite;
  padding: 12px 14px 10px;
}
@keyframes overdueBreath {
  0%, 100% { background: #fff1f0; }
  50%      { background: #ffddd9; }
}
.task-card.overdue .task-meta-due { color: var(--danger); font-weight: 700; }
.task-card.overdue .badge-overdue {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--danger); color: #fff; font-size: 11.5px;
  padding: 2px 9px; border-radius: 999px; font-weight: 600; letter-spacing: 1px;
  animation: blinkSoft 1.4s ease-in-out infinite;
}
@keyframes blinkSoft { 0%,100% { opacity: 1; } 50% { opacity: .55; } }

.task-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.task-title { font-size: 15.5px; font-weight: 650; word-break: break-all; }
.badges { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 7px; }
.badge { font-size: 11.5px; padding: 2.5px 10px; border-radius: 999px; font-weight: 600; white-space: nowrap; }
.badge-overdue { display: none; } /* 非 overdue 卡片隐藏占位 */
.badge-p0 { background: #fee2e2; color: #b91c1c; }
.badge-p1 { background: #ffedd5; color: #c2410c; }
.badge-p2 { background: #e2e8f0; color: #475569; }
.badge-tag { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }

.task-desc {
  color: var(--text-2); font-size: 13.5px; margin-top: 7px; white-space: pre-wrap;
  word-break: break-word; max-height: 66px; overflow: hidden; position: relative;
}
.task-desc.expandable { cursor: pointer; }
.task-desc.expandable::after {
  content: "…展开"; position: absolute; right: 0; bottom: 0;
  background: #fff; color: var(--blue-600); font-size: 12px; padding-left: 24px;
}
.task-desc.expanded { max-height: none; }
.task-desc.expanded::after { display: none; }
.done-card .task-desc.expandable::after { background: transparent; }

.task-foot {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  margin-top: 10px; padding-top: 9px; border-top: 1px dashed #e8edf3; font-size: 12.5px; color: var(--text-2);
}
.overdue .task-foot { border-top-color: #fecaca; }
.task-actions { display: flex; gap: 8px; }
.act-btn {
  border: 1px solid #d6dee9; background: #fff; border-radius: 7px;
  font-size: 12.5px; padding: 5px 12px; cursor: pointer; transition: all .12s;
}
.act-btn:hover { border-color: var(--blue-600); color: var(--blue-600); }
.act-btn.act-done:hover { border-color: var(--ok); color: var(--ok); }
.act-btn.act-del:hover { border-color: var(--danger); color: var(--danger); }

/* ---------------- 弹窗 ---------------- */
.modal-mask {
  position: fixed; inset: 0; background: rgba(15, 25, 45, .45);
  display: flex; align-items: center; justify-content: center; z-index: 100; padding: 18px;
  backdrop-filter: blur(2px);
}
.modal {
  width: 560px; max-width: 100%; max-height: 92vh; overflow-y: auto;
  background: #fff; border-radius: 14px; box-shadow: 0 24px 70px rgba(0,0,0,.3);
  padding: 22px 26px 24px; animation: popIn .16s ease;
}
.modal-sm { width: 420px; }
@keyframes popIn { from { transform: scale(.96); opacity: .4; } to { transform: scale(1); opacity: 1; } }
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.modal-head h3 { font-size: 17px; color: var(--navy-900); }
.modal-close { background: none; border: none; font-size: 26px; line-height: 1; cursor: pointer; color: #94a3b8; }
.modal-close:hover { color: var(--danger); }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 8px; }
.confirm-text { color: var(--text); font-size: 14.5px; margin-bottom: 18px; }

.tag-preview { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; min-height: 18px; }
.tag-preview .chip { cursor: default; }

/* ---------------- Toast ---------------- */
#toastBox { position: fixed; top: 70px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  background: #12325c; color: #fff; font-size: 14px; padding: 10px 22px;
  border-radius: 999px; box-shadow: 0 8px 26px rgba(0,0,0,.25); animation: toastIn .2s ease;
}
.toast.err { background: #a51f1f; }
.toast.ok { background: #14532d; }
@keyframes toastIn { from { transform: translateY(-12px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.page-foot { text-align: center; color: #a3b0c2; font-size: 12.5px; margin-top: 34px; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 960px) {
  .board { grid-template-columns: 1fr; }
  .today-text { display: none; }
}
@media (max-width: 560px) {
  .container { padding: 16px 12px 30px; }
  .topbar-inner { padding: 0 14px; }
  .brand-module { display: none; }
  .user-chip { display: none; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar-left .btn { flex: 1; justify-content: center; }
  .field-row { grid-template-columns: 1fr; }
}