/* ============================================================
   任务联系单 · 应用补充样式
   在共用 HUD 样式（style.css）基础上，补充看板、详情、登录等组件
   ============================================================ */

/* ===== 四列看板 ===== */
.board{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:start}
.column{
  background:rgba(8,12,24,0.5);border:1px solid var(--border);border-radius:12px;
  padding:12px 12px 16px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  animation:slideUp .55s ease both;position:relative;overflow:hidden;
}
.column::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(0,229,255,0.4),transparent)}
.column:nth-child(1){animation-delay:.1s}
.column:nth-child(2){animation-delay:.18s}
.column:nth-child(3){animation-delay:.26s}
.column:nth-child(4){animation-delay:.34s}
.column-head{display:flex;align-items:center;gap:8px;padding:2px 4px 12px;border-bottom:1px solid rgba(0,229,255,0.12);margin-bottom:12px}
.col-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.col-dot.pending{background:var(--s-pending)}
.col-dot.doing{background:var(--s-doing);box-shadow:0 0 10px var(--s-doing);animation:blink 2.2s ease-in-out infinite}
.col-dot.review{background:var(--s-review);box-shadow:0 0 10px var(--s-review);animation:blink 2.2s ease-in-out infinite}
.col-dot.done{background:var(--s-done)}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.col-title{font-size:13px;font-weight:600;letter-spacing:2px}
.col-count{margin-left:auto;font-size:12px;font-family:var(--mono);color:var(--dim);background:rgba(0,229,255,0.1);border:1px solid rgba(0,229,255,0.16);border-radius:10px;padding:1px 9px}

/* 任务卡 */
.task-card{
  display:block;text-decoration:none;color:var(--text);
  background:var(--panel-solid);border:1px solid var(--border);border-radius:10px;
  padding:13px 14px;margin-bottom:12px;cursor:pointer;position:relative;overflow:hidden;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:all .22s ease;
}
.task-card::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at top left,rgba(0,229,255,0.04),transparent 65%);pointer-events:none}
.task-card:hover{border-color:rgba(0,229,255,0.6);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,0.35),0 0 22px rgba(0,229,255,0.16)}
.task-card.overdue{border-color:rgba(255,77,106,0.5)}
.task-no{font-size:11px;font-family:var(--mono);color:var(--accent2);letter-spacing:0.5px;margin-bottom:6px;word-break:break-all;opacity:.8;position:relative;z-index:2}
.task-title{font-size:14px;font-weight:500;margin-bottom:10px;line-height:1.4;color:#e8f0fe;position:relative;z-index:2}
.task-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;position:relative;z-index:2}
.tag.modify{background:rgba(255,77,106,0.16);color:var(--s-overdue);font-weight:600;border:1px solid rgba(255,77,106,0.4);animation:modifyBlink 1.6s ease-in-out infinite}
@keyframes modifyBlink{0%,100%{box-shadow:0 0 0 rgba(255,77,106,0)}50%{box-shadow:0 0 12px rgba(255,77,106,0.55)}}
.task-bottom{display:flex;align-items:center;gap:8px;margin-top:10px;padding-top:10px;border-top:1px solid rgba(0,229,255,0.1);font-size:11px;color:var(--dim);position:relative;z-index:2}
.task-deadline{display:flex;align-items:center;gap:4px}
.task-deadline.overdue{color:var(--s-overdue)}
.task-assignee{margin-left:auto;display:flex;align-items:center;gap:5px}
.sub-progress{font-size:10px;color:var(--accent);font-family:var(--mono);position:relative;z-index:2}
.sub-bar{margin-top:8px;position:relative;z-index:2}
.sub-bar-track{height:4px;background:rgba(0,229,255,0.1);border-radius:2px;overflow:hidden}
.sub-bar-fill{height:100%;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--accent));box-shadow:0 0 12px rgba(0,229,255,0.6);transform-origin:left;animation:barGrow 1.4s ease-out .8s both}
@keyframes barGrow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.empty{text-align:center;color:var(--faint);font-size:12px;padding:32px 0}

/* ===== 系统日志跑马灯 ===== */
.syslog{
  margin-top:20px;display:flex;align-items:center;gap:12px;
  background:rgba(3,6,13,0.75);border:1px solid var(--border);border-radius:8px;
  padding:8px 12px;overflow:hidden;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  animation:slideUp .6s ease both;position:relative;
}
.syslog-label{flex-shrink:0;font-family:var(--mono);font-size:10px;letter-spacing:2px;color:var(--accent);border:1px solid rgba(0,229,255,0.3);border-radius:4px;padding:2px 7px;background:rgba(0,229,255,0.08)}
.ticker{flex:1;overflow:hidden;min-width:0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.ticker-track{display:inline-flex;gap:46px;white-space:nowrap;animation:ticker 34s linear infinite}
.ticker-track span{font-family:var(--mono);font-size:11px;color:var(--dim);letter-spacing:0.5px}
.ticker-track .ts{color:var(--accent2)}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ===== 详情页布局 ===== */
.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:16px;align-items:start}
.detail-side{display:flex;flex-direction:column;gap:16px}
.desc-box{white-space:pre-wrap;font-size:13px;line-height:1.8;color:var(--text)}
.meta-line{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid rgba(0,229,255,0.07);font-size:13px}
.meta-line .k{color:var(--dim)}
.meta-line .v{color:var(--text);text-align:right}
.reject-box{background:rgba(255,77,106,0.07);border:1px solid rgba(255,77,106,0.3);border-radius:10px;padding:14px;font-size:13px;color:var(--text)}
.reject-box .rh{color:var(--s-overdue);font-size:12px;letter-spacing:2px;margin-bottom:8px}

/* ===== 登录页 ===== */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;z-index:2;padding:20px}
.login-card{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:36px;position:relative;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 30px 80px rgba(0,0,0,0.5),inset 0 0 40px rgba(0,229,255,0.03)}
.login-logo{text-align:center;margin-bottom:26px}
.login-logo .lg-mark{width:56px;height:56px;margin:0 auto 14px;border-radius:14px;background:linear-gradient(135deg,var(--primary),#0d2448);border:1px solid rgba(0,229,255,0.5);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--accent);box-shadow:0 0 24px rgba(0,229,255,0.35)}
.login-logo .lg-name{font-size:18px;font-weight:700;letter-spacing:2px;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.login-logo .lg-sub{font-size:11px;color:var(--dim);letter-spacing:3px;margin-top:4px}
.login-error{color:var(--s-overdue);font-size:12px;margin:10px 0;padding:9px 12px;border:1px solid rgba(255,77,106,0.35);border-radius:8px;background:rgba(255,77,106,0.08)}

/* ===== 消息条 ===== */
.flash{position:fixed;top:64px;left:50%;transform:translateX(-50%);z-index:600;display:flex;flex-direction:column;gap:8px;width:min(420px,90vw)}
.alert{padding:11px 16px;border-radius:10px;font-size:13px;border:1px solid;background:rgba(8,12,24,0.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);animation:slideDown .3s ease}
.alert.success{color:var(--s-done);border-color:rgba(0,224,176,0.4)}
.alert.error{color:var(--s-overdue);border-color:rgba(255,77,106,0.4)}
.alert.warning{color:var(--s-review);border-color:rgba(255,176,32,0.4)}
.alert.info{color:var(--accent);border-color:var(--border)}
@keyframes slideDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* ===== 表单/工具辅助 ===== */
.form-error{color:var(--s-overdue);font-size:12px;margin-top:5px}
.help-txt{font-size:11px;color:var(--faint);margin-top:4px}
.btn-block{width:100%}
.stack{display:flex;flex-direction:column;gap:10px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.legend{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--dim)}
.legend i{width:8px;height:8px;border-radius:50%;display:inline-block}
.mt{margin-top:14px}
.mb{margin-bottom:14px}
.muted-link{color:var(--dim);font-size:12px;text-decoration:none}
.muted-link:hover{color:var(--accent)}
.avatar-big{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;background:linear-gradient(135deg,#3a5fa8,#12306b);border:1px solid rgba(0,229,255,0.4);box-shadow:0 0 14px rgba(0,229,255,0.25)}
.member-tags{display:flex;flex-wrap:wrap;gap:8px}
.member-tag{font-size:11px;padding:4px 10px;border:1px solid var(--border);border-radius:14px;color:var(--dim);background:rgba(39,77,150,0.12)}
.member-tag.manager{color:var(--s-review);border-color:rgba(255,176,32,0.35);background:rgba(255,176,32,0.08)}
.toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.actions-col{display:flex;gap:6px;flex-wrap:wrap}

@media(max-width:1100px){.board{grid-template-columns:repeat(2,1fr)}.detail-grid{grid-template-columns:1fr}}
@media(max-width:640px){.board{grid-template-columns:1fr}}