/* ===========================================================
   番茄钟 · 样式
   主题：data-theme = dark | light
   模式：body[data-mode] = focus | short | long（决定主色）
   =========================================================== */

:root{
  --radius: 18px;
  --radius-sm: 10px;
  --dur: .22s;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono: "SF Mono", ui-monospace, "Cascadia Code", Menlo, Consolas, monospace;
}

/* ---------- 深色（默认） ---------- */
[data-theme="dark"]{
  --bg: #0d1117;
  --bg-grad: radial-gradient(1200px 600px at 15% -10%, #1b2740 0%, transparent 60%),
             radial-gradient(900px 500px at 100% 0%, #221a2e 0%, transparent 55%);
  --card: #151b26;
  --card-2: #1b2231;
  --line: #26303f;
  --text: #e7ecf3;
  --text-2: #9aa7b8;
  --text-3: #6b7889;
  --track: #232c3a;
  --shadow: 0 18px 40px -18px rgba(0,0,0,.75);
  --field: #10161f;
}
/* ---------- 浅色 ---------- */
[data-theme="light"]{
  --bg: #f4f6fa;
  --bg-grad: radial-gradient(1100px 520px at 10% -15%, #e6edfb 0%, transparent 60%),
             radial-gradient(900px 480px at 100% 0%, #fdeceb 0%, transparent 55%);
  --card: #ffffff;
  --card-2: #f7f9fc;
  --line: #e4e8ef;
  --text: #1c2230;
  --text-2: #5c6779;
  --text-3: #8b95a6;
  --track: #e8ecf3;
  --shadow: 0 16px 36px -20px rgba(28,34,48,.28);
  --field: #f2f5f9;
}

/* ---------- 模式主色 ---------- */
body[data-mode="focus"]{ --accent: #ff6b5b; --accent-soft: rgba(255,107,91,.14); --accent-2: #ff9487; }
body[data-mode="short"]{ --accent: #2ec4b6; --accent-soft: rgba(46,196,182,.14); --accent-2: #6ee5d9; }
body[data-mode="long"] { --accent: #4d96ff; --accent-soft: rgba(77,150,255,.14); --accent-2: #8fbcff; }

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  background-image: var(--bg-grad);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--dur), color var(--dur);
}
h1,h2{ margin: 0; }
button{ font-family: inherit; cursor: pointer; }

.app{
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 20px 40px;
}

/* ---------------- 顶栏 ---------------- */
.topbar{
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 20px;
}
.brand{ display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand h1{ font-size: 19px; letter-spacing: .5px; }
.brand-dot{
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  transition: background var(--dur), box-shadow var(--dur);
}
.brand-sub{
  font-size: 12.5px; color: var(--text-3);
  border-left: 1px solid var(--line); padding-left: 10px; margin-left: 2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.topbar-actions{ display: flex; gap: 8px; }

.icon-btn{
  width: 38px; height: 38px; display: grid; place-items: center;
  border-radius: 12px; border: 1px solid var(--line);
  background: var(--card); color: var(--text-2);
  transition: all var(--dur);
}
.icon-btn:hover{ color: var(--text); border-color: var(--accent); transform: translateY(-1px); }
.ico{
  width: 18px; height: 18px; fill: none; stroke: currentColor;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.ico-moon{ display: none; }
[data-theme="light"] .ico-sun{ display: none; }
[data-theme="light"] .ico-moon{ display: block; }

/* ---------------- 布局 ---------------- */
.layout{
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 18px;
  align-items: start;
}
.side{ display: grid; gap: 18px; }

.card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.card-head{
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 10px; margin-bottom: 14px;
}
.card-head h2{ font-size: 14px; letter-spacing: 1px; color: var(--text-2); font-weight: 600; }
.muted{ font-size: 12px; color: var(--text-3); }

/* ---------------- 模式切换 ---------------- */
.timer-card{ display: flex; flex-direction: column; align-items: center; }
.mode-tabs{
  display: inline-flex; gap: 4px; padding: 4px;
  background: var(--card-2); border: 1px solid var(--line);
  border-radius: 999px; margin-bottom: 26px;
}
.mode-tab{
  border: 0; background: transparent; color: var(--text-2);
  padding: 8px 20px; border-radius: 999px;
  font-size: 13.5px; font-weight: 600; letter-spacing: .5px;
  transition: all var(--dur);
}
.mode-tab:hover{ color: var(--text); }
.mode-tab.is-active{ background: var(--accent); color: #fff; box-shadow: 0 6px 16px -8px var(--accent); }

/* ---------------- 进度环 ---------------- */
.ring-wrap{ position: relative; width: 320px; height: 320px; max-width: 78vw; max-height: 78vw; }
.ring{ width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-track{ fill: none; stroke: var(--track); stroke-width: 12; }
.ring-bar{
  fill: none; stroke: var(--accent); stroke-width: 12; stroke-linecap: round;
  stroke-dasharray: 879.6; stroke-dashoffset: 0;
  transition: stroke var(--dur);
  filter: drop-shadow(0 0 10px var(--accent-soft));
}
.ring-center{
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 8px;
}
.time{
  font-family: var(--mono);
  font-size: 62px; font-weight: 600; letter-spacing: 2px;
  font-variant-numeric: tabular-nums; line-height: 1;
}
body.is-running .time{ animation: breathe 3.4s ease-in-out infinite; }
@keyframes breathe{ 0%,100%{ opacity: 1 } 50%{ opacity: .72 } }
body.is-done .time{ color: var(--accent); animation: pop .5s ease; }
@keyframes pop{ from{ transform: scale(1.12) } to{ transform: scale(1) } }

.mode-label{
  font-size: 13px; letter-spacing: 4px; color: var(--text-2);
  text-transform: uppercase;
}
.cycle{ display: flex; gap: 6px; margin-top: 2px; }
.cycle i{
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--track); transition: all var(--dur);
}
.cycle i.on{ background: var(--accent); transform: scale(1.15); }

/* ---------------- 当前任务 ---------------- */
.now-task{
  display: flex; align-items: center; gap: 10px; margin: 22px 0 18px;
  max-width: 100%; padding: 0 8px;
}
.now-task-label{ font-size: 12px; color: var(--text-3); flex: none; }
.now-task-name{
  font-size: 14px; color: var(--text); font-weight: 500;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ---------------- 按钮 ---------------- */
.controls{ display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.btn{
  border-radius: 12px; border: 1px solid var(--line);
  padding: 12px 30px; font-size: 14.5px; font-weight: 600; letter-spacing: .5px;
  transition: transform .12s, box-shadow var(--dur), background var(--dur), color var(--dur);
}
.btn:active{ transform: translateY(1px) scale(.99); }
.btn-primary{
  background: var(--accent); color: #fff; border-color: transparent;
  min-width: 148px; box-shadow: 0 12px 26px -14px var(--accent);
}
.btn-primary:hover{ filter: brightness(1.06); }
.btn-ghost{ background: var(--card-2); color: var(--text-2); }
.btn-ghost:hover{ color: var(--text); border-color: var(--accent); }

.hint{ margin: 16px 0 0; font-size: 12px; color: var(--text-3); }

/* ---------------- 指标 ---------------- */
.metrics{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.metric{
  background: var(--card-2); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 12px 6px; text-align: center;
}
.metric b{
  display: block; font-family: var(--mono); font-size: 22px; font-weight: 600;
  color: var(--accent); font-variant-numeric: tabular-nums; line-height: 1.1;
}
.metric span{ display: block; margin-top: 5px; font-size: 11px; color: var(--text-3); }

/* ---------------- 7 日柱状图 ---------------- */
.chart{ margin-top: 16px; }
.chart-title{ font-size: 12px; color: var(--text-3); margin-bottom: 8px; }
.bars{ display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; align-items: end; height: 84px; }
.bar-col{ display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.bar{
  width: 100%; min-height: 4px; border-radius: 6px 6px 3px 3px;
  background: var(--accent); opacity: .85;
  transition: height .4s cubic-bezier(.2,.8,.2,1), opacity var(--dur);
}
.bar.zero{ background: var(--track); opacity: 1; }
.bar-col small{ font-size: 10px; color: var(--text-3); }
.bar-col.is-today small{ color: var(--accent); font-weight: 700; }

/* ---------------- 任务 ---------------- */
.task-add{ display: flex; gap: 8px; margin-bottom: 12px; }
.task-add input{
  flex: 1; min-width: 0; padding: 10px 12px; font-size: 13.5px;
  border-radius: var(--radius-sm); border: 1px solid var(--line);
  background: var(--field); color: var(--text); outline: none;
  transition: border-color var(--dur);
}
.task-add input:focus{ border-color: var(--accent); }
.mini-btn{
  border: 1px solid var(--line); background: transparent; color: var(--text-2);
  font-size: 12px; padding: 6px 10px; border-radius: 8px; transition: all var(--dur);
}
.mini-btn:hover{ color: var(--text); border-color: var(--accent); }
.mini-btn-solid{ background: var(--accent-soft); border-color: transparent; color: var(--accent); font-weight: 600; }
.mini-btn.danger:hover{ color: #ff5f56; border-color: #ff5f56; }

.task-list, .history{ list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.task-item{
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: var(--radius-sm);
  border: 1px solid transparent; background: var(--card-2);
  transition: all var(--dur);
}
.task-item:hover{ border-color: var(--line); }
.task-item.is-active{ border-color: var(--accent); background: var(--accent-soft); }
.task-check{
  width: 17px; height: 17px; flex: none; border-radius: 5px;
  border: 1.6px solid var(--text-3); background: transparent;
  display: grid; place-items: center; transition: all var(--dur);
}
.task-check:hover{ border-color: var(--accent); }
.task-item.done .task-check{ background: var(--accent); border-color: var(--accent); }
.task-check svg{ width: 11px; height: 11px; stroke: #fff; stroke-width: 3; fill: none; opacity: 0; }
.task-item.done .task-check svg{ opacity: 1; }
.task-title{
  flex: 1; min-width: 0; font-size: 13.5px; cursor: pointer;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.task-item.done .task-title{ color: var(--text-3); text-decoration: line-through; }
.task-count{ font-family: var(--mono); font-size: 11.5px; color: var(--text-3); flex: none; }
.task-del{
  border: 0; background: transparent; color: var(--text-3); font-size: 16px;
  line-height: 1; padding: 0 2px; opacity: 0; transition: all var(--dur);
}
.task-item:hover .task-del{ opacity: 1; }
.task-del:hover{ color: #ff5f56; }

/* ---------------- 历史 ---------------- */
.history{ max-height: 220px; overflow: auto; }
.history li{
  display: flex; align-items: center; gap: 10px; font-size: 12.5px;
  padding: 7px 2px; border-bottom: 1px dashed var(--line);
}
.history li:last-child{ border-bottom: 0; }
.h-time{ font-family: var(--mono); color: var(--text-3); flex: none; }
.h-dot{ width: 7px; height: 7px; border-radius: 50%; flex: none; }
.h-name{ flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-2); }
.h-min{ font-family: var(--mono); color: var(--text-3); flex: none; }

.empty{ margin: 8px 0 0; font-size: 12.5px; color: var(--text-3); }
.empty[hidden]{ display: none; }

.foot{ margin-top: 22px; text-align: center; font-size: 11.5px; color: var(--text-3); }
.foot .beian{
  color: var(--text-3); text-decoration: none;
  margin-left: 10px; border-left: 1px solid var(--line); padding-left: 10px;
  display: inline-flex; align-items: center; gap: 5px;
  transition: color var(--dur);
}
.foot .beian:hover{ color: var(--accent); }
.foot .beian-icon{ width: 16px; height: 16px; object-fit: contain; display: block; }

/* ---------------- 弹窗 ---------------- */
.modal{ position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; padding: 18px; }
.modal[hidden]{ display: none; }
.modal-mask{ position: absolute; inset: 0; background: rgba(6,10,18,.55); backdrop-filter: blur(3px); }
.modal-panel{
  position: relative; width: min(520px, 100%); max-height: 86vh; display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: 0 30px 70px -30px rgba(0,0,0,.7);
  animation: rise .22s cubic-bezier(.2,.9,.3,1);
}
@keyframes rise{ from{ opacity: 0; transform: translateY(14px) scale(.98) } to{ opacity: 1; transform: none } }
.modal-head{
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px; border-bottom: 1px solid var(--line);
}
.modal-head h2{ font-size: 15px; }
.modal-body{ padding: 18px; overflow: auto; display: grid; gap: 20px; }
.modal-foot{ padding: 14px 18px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; }

.set-group-title{ font-size: 12px; color: var(--text-3); margin-bottom: 10px; letter-spacing: .6px; }
.set-grid{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.set-grid label{ display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--card-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 8px 12px; }
.set-grid span{ font-size: 13px; color: var(--text-2); }
.set-grid input{
  width: 68px; padding: 6px 8px; text-align: center; font-family: var(--mono);
  border-radius: 8px; border: 1px solid var(--line); background: var(--field); color: var(--text); outline: none;
}
.set-grid input:focus{ border-color: var(--accent); }
.set-note{ margin: 10px 0 0; font-size: 11.5px; color: var(--text-3); }

.switch{ display: flex; align-items: center; gap: 10px; padding: 7px 0; cursor: pointer; }
.switch b{ font-weight: 500; font-size: 13.5px; }
.switch input{ display: none; }
.switch span{
  width: 40px; height: 23px; border-radius: 999px; background: var(--track);
  position: relative; transition: background var(--dur); flex: none;
}
.switch span::after{
  content: ""; position: absolute; top: 3px; left: 3px; width: 17px; height: 17px;
  border-radius: 50%; background: #fff; transition: transform var(--dur);
  box-shadow: 0 1px 3px rgba(0,0,0,.3);
}
.switch input:checked + span{ background: var(--accent); }
.switch input:checked + span::after{ transform: translateX(17px); }

.set-row{ display: flex; align-items: center; gap: 12px; margin-top: 10px; font-size: 13px; color: var(--text-2); }
.set-row-wrap{ flex-wrap: wrap; gap: 8px; }
.set-row input[type="range"]{ flex: 1; accent-color: var(--accent); }

/* ---------------- Toast ---------------- */
.toast-host{
  position: fixed; z-index: 90; left: 50%; transform: translateX(-50%);
  bottom: 26px; display: grid; gap: 8px; width: max-content; max-width: 92vw;
}
.toast{
  background: var(--card); border: 1px solid var(--line); color: var(--text);
  padding: 11px 16px; border-radius: 12px; font-size: 13.5px;
  box-shadow: 0 18px 40px -18px rgba(0,0,0,.7);
  animation: toastIn .25s cubic-bezier(.2,.9,.3,1);
  border-left: 3px solid var(--accent);
}
.toast.out{ animation: toastOut .25s forwards; }
@keyframes toastIn{ from{ opacity: 0; transform: translateY(12px) } to{ opacity: 1; transform: none } }
@keyframes toastOut{ to{ opacity: 0; transform: translateY(10px) } }

/* ---------------- 响应式 ---------------- */
@media (max-width: 900px){
  .layout{ grid-template-columns: 1fr; }
  .side{ order: 2; }
}
@media (max-width: 520px){
  .app{ padding: 16px 14px 32px; }
  .brand-sub{ display: none; }
  .time{ font-size: 52px; }
  .set-grid{ grid-template-columns: 1fr; }
  .metrics{ grid-template-columns: repeat(2, 1fr); }
  .btn-primary{ min-width: 128px; }
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .01ms !important; transition-duration: .01ms !important; }
}