/* ===== schedule.css — 上课日历，与仪表盘统一浅色主题 ===== */

:root{
  --bg1:#eef6ff;
  --bg2:#f7fbff;
  --card:#ffffffcc;
  --stroke:#e6eef8;
  --text:#0f172a;
  --muted:#6b7280;
  --shadow: 0 18px 50px rgba(15, 23, 42, .10);
  --r: 22px;
  --good:#10b981;
  --warn:#f59e0b;
  --bad:#ef4444;
  --accent:rgba(59,130,246,.12);
  --accent-border:rgba(59,130,246,.25);
}

*{box-sizing:border-box}

html,body{
  height:100%;
  max-width:100%;
  overflow-x:hidden;
  touch-action:manipulation;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,var(--bg1),var(--bg2));
}

/* 背景光晕 */
body::before{
  content:'';
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 500px at 15% 10%, rgba(59,130,246,.18), transparent 60%),
    radial-gradient(900px 500px at 85% 20%, rgba(16,185,129,.16), transparent 55%),
    radial-gradient(900px 500px at 55% 85%, rgba(245,158,11,.12), transparent 60%);
}

@media (prefers-color-scheme: dark) and (max-width: 980px){
  :root{
    --bg1:#07111f;
    --bg2:#101827;
    --card:rgba(15,23,42,.86);
    --stroke:rgba(148,163,184,.24);
    --text:#e5eefb;
    --muted:#9aa9bd;
    --shadow:0 18px 50px rgba(0,0,0,.34);
    --accent:rgba(37,99,235,.22);
    --accent-border:rgba(96,165,250,.38);
    color-scheme:dark;
  }
  body{
    color:var(--text);
    background:linear-gradient(180deg,var(--bg1),var(--bg2));
  }
  body::before{
    background:
      radial-gradient(760px 420px at 10% 6%, rgba(37,99,235,.24), transparent 62%),
      radial-gradient(760px 420px at 90% 18%, rgba(20,184,166,.16), transparent 58%),
      radial-gradient(760px 420px at 55% 88%, rgba(245,158,11,.10), transparent 62%);
  }
  .topbar,
  .card,
  .month-card,
  .day-detail,
  .import-panel,
  .modal-card,
  .pill,
  .btn,
  input,
  select,
  textarea{
    background:var(--card);
    border-color:var(--stroke);
    color:var(--text);
    box-shadow:var(--shadow);
  }
  .muted,
  .sub,
  .hint,
  .card-meta{
    color:var(--muted);
  }
}

.wrap{
  position:relative;z-index:1;
  max-width:1200px;margin:0 auto;padding:16px;
}

/* ===== 顶部栏 ===== */
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;
  border-radius:28px;
  background:var(--card);
  border:1px solid var(--stroke);
  box-shadow:var(--shadow);
  margin-bottom:14px;
  backdrop-filter: blur(8px);
}

.brand{display:flex;align-items:center;gap:12px;}

.brand .logo{
  width:40px;height:40px;
  border-radius:14px;
  background-image:url("/imgs/logo.png");
  background-repeat:no-repeat;
  background-position:center;
  background-size:cover;
  box-shadow:0 8px 20px rgba(0,0,0,0.12);
}

.brand-text .t1{font-size:17px;font-weight:900;letter-spacing:.2px;}
.brand-text .t2{font-size:12px;color:var(--muted);margin-top:2px;}

.topbar .right{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}

/* ===== 按钮 ===== */
.btn{
  border:1px solid var(--stroke);
  background:#fff;
  color:#0f172a;
  padding:9px 13px;
  border-radius:999px;
  font-weight:750;
  font-size:13px;
  cursor:pointer;
  white-space:nowrap;
  text-decoration:none;
  display:inline-flex;align-items:center;justify-content:center;
  transition: filter .15s, box-shadow .15s;
}
.btn:hover{filter:brightness(.97);box-shadow:0 2px 8px rgba(0,0,0,.06);}

.btn.primary{
  background:linear-gradient(135deg, rgba(59,130,246,.16), rgba(59,130,246,.06));
  border-color: rgba(59,130,246,.35);
}
.btn.danger{
  background: rgba(239,68,68,.06);
  border-color: rgba(239,68,68,.25);
  color:#b91c1c;
}
.btn.back-link{
  background: transparent;
  border-color: transparent;
  color: var(--muted);
  font-weight: 700;
}
.btn.back-link:hover{color:var(--text);background:#fff;}

/* ===== 网格布局 ===== */
.grid{
  display:grid;
  grid-template-columns: 1.25fr .95fr;
  gap:14px;
}
@media (max-width: 980px){
  .grid{grid-template-columns:1fr}
}

/* ===== 卡片 ===== */
.card{
  background:var(--card);
  border:1px solid var(--stroke);
  border-radius:24px;
  padding:14px;
  box-shadow: 0 14px 40px rgba(15,23,42,.06);
  backdrop-filter: blur(8px);
}

.title{
  font-size:15px;font-weight:950;
  margin:0 0 10px 0;
}
.muted{color:var(--muted);font-size:13px;line-height:1.6}

.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* ===== 状态圆点 ===== */
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 10px;
  border:1px solid var(--stroke);
  background:#fff;
  border-radius:999px;
  font-size:13px;color:#334155;
  font-weight:700;
}

.statusDot{
  width:10px;height:10px;border-radius:999px;
  background:var(--warn);
}

.section{margin-top:14px}

/* ===== 列表项 ===== */
.list{margin:10px 0 0 0;padding:0;list-style:none}

.item{
  padding:12px;
  border:1px solid var(--stroke);
  border-radius:18px;
  margin:10px 0;
  background:linear-gradient(180deg, rgba(248,250,252,1), rgba(255,255,255,1));
  display:flex;justify-content:space-between;gap:12px;
  align-items:flex-start;
}

.item .l b{font-size:15px}
.item .l .time{margin-top:6px;color:var(--muted);font-size:13px}
.item .r{display:flex;gap:8px;align-items:center}

/* ===== 表单 ===== */
input, select{
  width:100%;
  padding:10px 10px;
  border-radius:14px;
  border:1px solid var(--stroke);
  background:#fff;
  color:var(--text);
  outline:none;
  font-weight:700;
}
input:focus, select:focus{
  border-color: rgba(59,130,246,.45);
  box-shadow: 0 0 0 5px rgba(59,130,246,.10);
}

/* ===== 编辑行 ===== */
.editorRow{
  display:grid;
  grid-template-columns: 1.1fr .6fr .6fr 1.4fr auto;
  gap:10px;
  align-items:center;
  padding:10px 10px;
  border:1px solid var(--stroke);
  border-radius:18px;
  background:linear-gradient(180deg, rgba(248,250,252,1), rgba(255,255,255,1));
  margin-top:10px;
}
@media (max-width: 780px){
  .editorRow{
    grid-template-columns: 1fr 1fr;
  }
  .editorRow .span2{grid-column: span 2;}
  .editorRow .span2b{grid-column: span 2;}
}

/* ===== 日历 ===== */
.calendarHead{
  display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px;
}
.monthLabel{font-weight:950;font-size:16px}

.cal{
  display:grid;
  grid-template-columns: repeat(7, 1fr);
  gap:8px;
}

.dow{
  text-align:center;
  color:var(--muted);
  font-size:12px;
  font-weight:800;
  padding:6px 0;
}

.day{
  border:1px solid var(--stroke);
  border-radius:18px;
  padding:10px 8px;
  min-height:70px;
  background:#fff;
  cursor:pointer;
  position:relative;
  overflow:hidden;
  transition: box-shadow .15s;
}
.day:hover{background:#f8fafc;box-shadow:0 4px 12px rgba(0,0,0,.06);}

.day .n{font-weight:950;font-size:13px}
.day .m{font-size:11px;color:var(--muted);margin-top:6px}

.day.today{
  border-color: rgba(245,158,11,.45);
  box-shadow: 0 0 0 2px rgba(245,158,11,.18);
  background: rgba(245,158,11,.04);
}
.day.selected{
  border-color: rgba(16,185,129,.45);
  box-shadow: 0 0 0 2px rgba(16,185,129,.18);
  background: rgba(16,185,129,.04);
}

.badge{
  position:absolute;right:8px;top:8px;
  font-size:11px;font-weight:900;
  padding:4px 8px;border-radius:999px;
  border:1px solid var(--stroke);
  background:#fff;
  color:var(--text);
}
.dots{display:flex;gap:4px;flex-wrap:wrap;margin-top:6px}
.dot{width:6px;height:6px;border-radius:999px;background:rgba(0,0,0,.15)}
.dot.on{background:rgba(16,185,129,.85)}

.empty{
  opacity:.45;cursor:default;
  background:rgba(248,250,252,.6);
}

.splitLine{height:1px;background:rgba(148,163,184,.25);margin:12px 0}

/* ===== 提示框 ===== */
.hintBox{
  border:1px dashed rgba(148,163,184,.55);
  border-radius:16px;
  padding:10px 12px;
  background:rgba(255,255,255,.55);
  color:var(--muted);
  font-size:13px;
  line-height:1.5;
}

/* ===== Toast 通知 ===== */
.toast{
  position:fixed;top:20px;left:50%;transform:translateX(-50%);
  z-index:999;
  padding:12px 20px;
  border-radius:999px;
  font-weight:900;font-size:14px;
  box-shadow: 0 12px 40px rgba(0,0,0,.15);
  animation: toastIn .3s ease, toastOut .3s ease 2.2s forwards;
  pointer-events:none;
}
.toast.success{
  background:#fff;color:#065f46;border:1px solid rgba(16,185,129,.35);
}
.toast.error{
  background:#fff;color:#991b1b;border:1px solid rgba(239,68,68,.35);
}

@keyframes toastIn{
  from{opacity:0;transform:translateX(-50%) translateY(-10px);}
  to{opacity:1;transform:translateX(-50%) translateY(0);}
}
@keyframes toastOut{
  from{opacity:1;}
  to{opacity:0;}
}

/* ===== 响应式 ===== */
@media (max-width: 640px){
  .topbar{flex-direction:column;align-items:flex-start;gap:10px;}
  .topbar .right{width:100%;justify-content:flex-start;}
  .calendarHead{flex-direction:column;align-items:flex-start;}
  .day{min-height:50px;padding:6px 5px;}
  .day .n{font-size:11px}
  .day .m{font-size:10px}
  .editorRow{grid-template-columns: 1fr 1fr;}
}

/* ===== 循环排课编辑行 ===== */
.editorRowRecur{
  display:grid;
  grid-template-columns: .9fr .45fr .45fr .35fr .35fr .6fr 1.1fr auto;
  gap:8px;
  align-items:center;
  padding:10px 10px;
  border:1px solid var(--stroke);
  border-radius:18px;
  background:linear-gradient(180deg, rgba(248,250,252,1), rgba(255,255,255,1));
  margin-top:10px;
  font-size:13px;
}
.editorRowRecur input,
.editorRowRecur select{
  padding:8px 7px;
  font-size:12px;
  border-radius:12px;
}
.editorRowRecur .recur-badge{
  font-size:10px;
  font-weight:900;
  padding:3px 7px;
  border-radius:999px;
  background:rgba(59,130,246,.08);
  color:#1e40af;
  border:1px solid rgba(59,130,246,.2);
  white-space:nowrap;
  text-align:center;
}

@media (max-width: 900px){
  .editorRowRecur{
    grid-template-columns: 1fr 1fr;
  }
  .editorRowRecur .span2r{grid-column: span 2;}
}

/* ===== 周数日期配置行 ===== */
.week-config{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:10px 14px;
  border:1px solid var(--stroke);
  border-radius:18px;
  background:linear-gradient(180deg, rgba(248,250,252,1), rgba(255,255,255,1));
  margin-bottom:10px;
}
.week-config label{
  font-size:12px;font-weight:900;color:#334155;white-space:nowrap;
}
.week-config input{
  width:140px;
  padding:8px 10px;font-size:13px;
  border-radius:12px;
  border:1px solid var(--stroke);
  font-weight:700;
}
.week-config .sep{
  color:var(--muted);font-size:13px;font-weight:700;
}

/* ===== 导入区域 ===== */
.import-panel{
  margin-top:14px;
}
.import-textarea{
  width:100%;
  min-height:180px;
  border:1px solid var(--stroke);
  border-radius:18px;
  padding:14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size:13px;
  line-height:1.6;
  background:#fff;
  color:var(--text);
  resize:vertical;
  outline:none;
}
.import-textarea:focus{
  border-color:rgba(59,130,246,.45);
  box-shadow: 0 0 0 5px rgba(59,130,246,.10);
}
.import-actions{
  display:flex;gap:10px;align-items:center;margin-top:12px;flex-wrap:wrap;
}
.import-result{
  margin-top:10px;
  padding:10px 14px;
  border-radius:16px;
  font-size:13px;
  font-weight:800;
}
.import-result.ok{
  border:1px solid rgba(16,185,129,.35);
  background:rgba(16,185,129,.06);
  color:#065f46;
}
.import-result.err{
  border:1px solid rgba(239,68,68,.25);
  background:rgba(239,68,68,.04);
  color:#991b1b;
}
.import-hint{
  font-size:12px;color:var(--muted);line-height:1.6;
  margin-top:6px;
  padding:8px 12px;
  border-radius:14px;
  background:rgba(248,250,252,.6);
}

/* 循环规则列表 */
.recurring-list-item{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 14px;
  border:1px solid var(--stroke);
  border-radius:16px;
  margin-top:8px;
  background:#fff;
}
.recurring-list-item .rec-info{
  display:flex;gap:12px;align-items:center;flex-wrap:wrap;
  font-size:13px;
}
.recurring-list-item .rec-grade{font-weight:950;}
.recurring-list-item .rec-time{color:var(--muted);}
.recurring-list-item .rec-weeks{
  font-size:11px;font-weight:900;
  padding:3px 8px;border-radius:999px;
  border:1px solid var(--stroke);
  background:rgba(248,250,252,1);
}

/* ===== 弹窗 ===== */
.modal-overlay{
  position:fixed;inset:0;
  background:rgba(15,23,42,.5);
  z-index:1000;
  display:grid;place-items:center;
  padding:20px;
  backdrop-filter:blur(4px);
  animation:modalIn .2s ease;
}
.modal-card{
  background:#fff;
  border-radius:24px;
  max-width:680px;
  width:100%;
  max-height:90vh;
  overflow-y:auto;
  box-shadow:0 24px 80px rgba(0,0,0,.2);
}
.modal-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:18px 20px 12px;
  border-bottom:1px solid var(--stroke);
}
.modal-title{font-size:17px;font-weight:950;}
.modal-close{
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--stroke);
  background:#fff;cursor:pointer;
  font-size:18px;display:grid;place-items:center;
  color:var(--muted);
}
.modal-close:hover{background:rgba(239,68,68,.06);color:#ef4444;}
.modal-body{padding:20px;}
.modal-body .section-title{
  font-size:14px;font-weight:950;margin-bottom:10px;color:#334155;
}

/* AI 提示复制区 */
.ai-prompt-box{
  position:relative;
  border:1px solid rgba(59,130,246,.3);
  border-radius:16px;
  background:rgba(59,130,246,.04);
  padding:14px;
  margin-bottom:16px;
}
.ai-prompt-box .copy-btn{
  position:absolute;top:10px;right:10px;
  padding:6px 12px;font-size:12px;
}
.ai-prompt-text{
  font-size:12px;line-height:1.7;
  color:#334155;
  white-space:pre-wrap;
  font-family: ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
  max-height:200px;overflow-y:auto;
  padding-right:70px;
}

/* 学期选择器 */
.semester-bar{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.semester-select{
  padding:8px 10px;border-radius:12px;
  border:1px solid var(--stroke);
  background:#fff;font-weight:700;
  font-size:13px;min-width:160px;
}
.semester-btn{
  padding:7px 10px;font-size:12px;font-weight:700;
  border-radius:999px;border:1px solid var(--stroke);
  background:#fff;cursor:pointer;
}
.semester-btn:hover{background:rgba(59,130,246,.05);}
.semester-btn.danger{color:#b91c1c;border-color:rgba(239,68,68,.25);}
.semester-btn.danger:hover{background:rgba(239,68,68,.06);}

@keyframes modalIn{
  from{opacity:0;}
  to{opacity:1;}
}

/* 每周的星期编号显示 */
.week-num{
  font-size:10px;color:var(--muted);font-weight:700;
  margin-top:2px;
}

@media (prefers-color-scheme: dark) and (max-width: 980px){
  :root{
    --bg1:#07111f;
    --bg2:#101827;
    --card:rgba(15,23,42,.86);
    --stroke:rgba(148,163,184,.24);
    --text:#e5eefb;
    --muted:#9aa9bd;
    --shadow:0 18px 50px rgba(0,0,0,.34);
    --accent:rgba(37,99,235,.22);
    --accent-border:rgba(96,165,250,.38);
  }
  body{
    color:var(--text);
    background:linear-gradient(180deg,var(--bg1),var(--bg2));
  }
  body::before{
    background:
      radial-gradient(760px 420px at 10% 6%, rgba(37,99,235,.24), transparent 62%),
      radial-gradient(760px 420px at 90% 18%, rgba(20,184,166,.16), transparent 58%),
      radial-gradient(760px 420px at 55% 88%, rgba(245,158,11,.10), transparent 62%);
  }
  .topbar,
  .card,
  .month-card,
  .day-detail,
  .import-panel,
  .modal-card,
  .pill,
  .btn,
  .semester-select,
  .semester-btn,
  input,
  select,
  textarea{
    background:rgba(15,23,42,.86) !important;
    background-image:none !important;
    border-color:var(--stroke) !important;
    color:var(--text) !important;
    box-shadow:var(--shadow);
  }
  .day,
  .weekday,
  .course,
  .course-row,
  .event,
  .tag,
  .badge,
  .empty,
  .ai-prompt-box,
  .ai-prompt-text,
  .modal-close{
    background:rgba(2,6,23,.62) !important;
    border-color:var(--stroke) !important;
    color:var(--text) !important;
  }
  .day:hover,
  .day.selected,
  .btn.back-link:hover,
  .semester-btn:hover{
    background:rgba(37,99,235,.20) !important;
  }
  .muted,
  .sub,
  .hint,
  .card-meta,
  .brand-text .t2,
  .modal-body .section-title,
  .ai-prompt-text,
  .week-num{
    color:var(--muted) !important;
  }
  .btn.primary{
    background:rgba(37,99,235,.24) !important;
    border-color:rgba(96,165,250,.42) !important;
  }
  .btn.danger,
  .semester-btn.danger{
    background:rgba(239,68,68,.16) !important;
    border-color:rgba(248,113,113,.36) !important;
    color:#fecaca !important;
  }
  body :where(
    [class*="card"],
    [class*="panel"],
    [class*="box"],
    [class*="item"],
    [class*="row"],
    [class*="list"],
    [class*="section"],
    [class*="modal"],
    [class*="import"],
    [class*="prompt"],
    [class*="semester"],
    [class*="course"],
    [class*="calendar"],
    [class*="month"],
    [class*="day"],
    [class*="event"],
    [class*="detail"],
    [class*="bar"],
    [class*="head"],
    [class*="body"],
    [class*="grid"],
    [class*="wrap"]
  ){
    background-color:rgba(15,23,42,.72) !important;
    background-image:none !important;
    border-color:var(--stroke) !important;
    color:var(--text) !important;
  }
  body :where(
    .btn,
    input,
    select,
    textarea,
    pre,
    code,
    [class*="pill"],
    [class*="badge"],
    [class*="tag"],
    [class*="close"]
  ){
    background-color:rgba(2,6,23,.76) !important;
    background-image:none !important;
    border-color:var(--stroke) !important;
    color:var(--text) !important;
  }
  body :where(
    h1,h2,h3,h4,p,span,b,strong,small,label,pre,code,
    [class*="title"],
    [class*="text"],
    [class*="meta"],
    [class*="sub"],
    [class*="hint"],
    [class*="label"],
    [class*="name"],
    [class*="value"],
    [class*="note"],
    [class*="desc"]
  ){
    color:inherit;
  }
  body :where(
    [class*="sub"],
    [class*="meta"],
    [class*="hint"],
    [class*="desc"],
    [class*="note"],
    small
  ){
    color:var(--muted) !important;
  }
  body :where(
    header,main,footer,aside,nav,section,article,form,
    div,ul,ol,li,table,thead,tbody,tr,td,th,
    button,input,select,textarea,pre,code,label
  ):not(.logo){
    background-color:rgba(15,23,42,.46) !important;
    background-image:none !important;
    border-color:var(--stroke) !important;
  }
  body :where(button,input,select,textarea,pre,code){
    background-color:rgba(2,6,23,.78) !important;
    color:var(--text) !important;
  }
}