:root{
  --bg:#f5f6f8;
  --card:#ffffff;
  --text:#15171c;
  --muted:#6b7280;
  --line:#e5e7eb;
  --accent:#2563eb;
  --accent-text:#ffffff;
  --done:#9ca3af;
  --behind:#dc2626;
  --behind-bg:#fee2e2;
  --ahead:#16a34a;
  --ahead-bg:#dcfce7;
  --plan-bg:#dbeafe;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0f1115;
    --card:#1a1d24;
    --text:#eef0f3;
    --muted:#9aa1ac;
    --line:#2a2e37;
    --accent:#3b82f6;
    --accent-text:#ffffff;
    --done:#6b7280;
    --behind:#f87171;
    --behind-bg:#3b1414;
    --ahead:#4ade80;
    --ahead-bg:#0f2b18;
    --plan-bg:#132a4d;
  }
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  -webkit-tap-highlight-color:transparent;
}
#app{
  max-width:480px;
  margin:0 auto;
  min-height:100vh;
  padding:0 0 32px;
}

/* top bar */
.topbar{
  position:sticky;
  top:0;
  z-index:5;
  background:var(--bg);
  padding:14px 16px 10px;
  border-bottom:1px solid var(--line);
}
.topbar-row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
}
.now-clock{
  font-size:28px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.icon-btn{
  background:none;
  border:none;
  color:var(--muted);
  font-size:14px;
  padding:8px;
  cursor:pointer;
}
.stats{
  display:flex;
  gap:8px;
  margin-top:10px;
}
.stat{
  flex:1;
  background:var(--card);
  border-radius:10px;
  padding:8px 10px;
  text-align:center;
}
.stat .label{font-size:11px;color:var(--muted);}
.stat .value{font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;}
.hardend-box{
  display:flex;
  background:var(--card);
  border-radius:10px;
  margin-top:8px;
  overflow:hidden;
}
.hardend-seg{
  flex:1;
  padding:8px 10px;
  text-align:center;
}
.hardend-seg + .hardend-seg{border-left:1px solid var(--line);}
.hardend-seg .label{font-size:11px;color:var(--muted);}
.hardend-seg .value{font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;}
.hardend-seg .value.ahead{color:var(--ahead);}
.hardend-seg .value.behind{color:var(--behind);}
.badge{
  display:inline-block;
  padding:2px 8px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
}
.badge.behind{background:var(--behind-bg);color:var(--behind);}
.badge.ahead{background:var(--ahead-bg);color:var(--ahead);}
.badge.even{background:var(--line);color:var(--muted);}

/* generic sections */
.section{padding:16px;}
.card{
  background:var(--card);
  border-radius:14px;
  padding:18px;
}
h1{font-size:23px;margin:0 0 6px;text-align:center;}
p.desc{color:var(--muted);font-size:14px;line-height:1.5;margin:0 0 18px;}

.field{margin-bottom:14px;}
.field label{
  display:block;
  font-size:13px;
  color:var(--muted);
  margin-bottom:6px;
}
.field input[type="time"], .field input[type="text"]{
  width:100%;
  padding:12px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
}
.duration-row{
  display:flex;
  align-items:center;
  flex-wrap:nowrap;
  gap:8px;
}
.duration-row input.duration-input{
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  text-align:center;
  flex:none;
}
.duration-row input.duration-h{ width:28px; padding:10px 2px; }
.duration-row input.duration-m{ width:36px; padding:10px 4px; }
.duration-row span{font-size:14px;color:var(--muted);white-space:nowrap;}
/* 시:분 / 시간:분 뒤 두 방식을 한 줄에 모두 담을 때는 여백과 칸을 더 좁힌다 */
.duration-row-combined{ gap:3px; }
.duration-row-combined input.duration-h{ width:22px; padding:9px 1px; font-size:15px; }
.duration-row-combined input.duration-m{ width:26px; padding:9px 2px; font-size:15px; }
.duration-row-combined span{font-size:13px;}
.duration-row-combined .duration-or-inline{color:var(--accent);font-weight:700;margin:0 1px;}
.computed-value{
  padding:12px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}

.btn{
  display:block;
  width:100%;
  padding:14px;
  border-radius:12px;
  border:none;
  font-size:16px;
  font-weight:700;
  cursor:pointer;
  text-align:center;
}
.btn-primary{background:var(--accent);color:var(--accent-text);}
.btn-primary:disabled{opacity:.4;}
.btn-ghost{background:transparent;color:var(--accent);}
.btn-danger-ghost{background:transparent;color:var(--behind);}

.time-row{display:flex;gap:8px;}
.time-row input{flex:1;}
.btn-mini{
  flex-shrink:0;
  background:var(--bg);
  border:1px solid var(--line);
  color:var(--text);
  border-radius:10px;
  padding:0 14px;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
}

/* edit-phase table */
.edit-list{display:flex;flex-direction:column;gap:8px;margin-top:16px;}
.edit-row{
  background:var(--card);
  border-radius:12px;
  padding:10px 12px;
}
.edit-row-top{display:flex;align-items:center;gap:8px;}
.edit-row-top input.ename{
  flex:1;
  border:none;
  background:transparent;
  color:var(--text);
  font-size:15px;
  font-weight:700;
  padding:6px 0;
  min-width:0;
}
.edit-row-bottom{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:2px;
}
/* 첫 설정 화면에서는 "계획" 줄을 "분" 옆에 한 줄로 나란히 둔다(진행 화면은 별도 줄 유지) */
.edit-row-bottom .plan-badge{ margin-top:0; }
.eplan{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:13px;}
.eplan input.eplanned{
  width:56px;
  border:1px solid var(--line);
  background:var(--bg);
  color:var(--text);
  border-radius:8px;
  padding:6px 8px;
  font-size:14px;
  text-align:center;
}
/* "계획 HH:MM–HH:MM" 줄은 항상 줄바꿈하되, "계획"이라는 단어만 색 있는
   둥근 네모박스(태그)로 보여주고 시간 부분은 평범한 텍스트로 둔다 */
.plan-badge{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:var(--muted);
  white-space:nowrap;
}
.plan-tag{
  display:inline-block;
  padding:2px 8px;
  border-radius:8px;
  background:var(--plan-bg);
  color:var(--accent);
  font-weight:600;
  margin-right:4px;
}

.del-btn{
  flex-shrink:0;
  width:28px;height:28px;
  border-radius:50%;
  border:none;
  background:var(--bg);
  color:var(--muted);
  font-size:16px;
  line-height:1;
  cursor:pointer;
}
.del-btn.small{width:24px;height:24px;font-size:14px;}

.add-row-btn{
  margin-top:10px;
  background:transparent;
  border:1.5px dashed var(--line);
  color:var(--accent);
  font-weight:700;
}
.add-row-btn-inline{margin:4px 16px 0;width:calc(100% - 32px);}

.session-box{
  display:flex;
  align-items:stretch;
  gap:4px;
  background:var(--card);
  border-radius:14px;
  border:1px solid var(--accent);
  padding:4px;
}
.session-box-body{
  flex:1;
  min-width:0;
  text-align:left;
  background:transparent;
  border:none;
  padding:14px;
  cursor:pointer;
}
.session-box-title{font-weight:700;font-size:15px;color:var(--text);}
.session-box-sub{font-size:13px;color:var(--muted);margin-top:3px;}
.session-trash{
  flex-shrink:0;
  width:48px;
  border:none;
  background:transparent;
  color:var(--behind);
  font-size:18px;
  border-radius:10px;
  cursor:pointer;
}

.settings-panel{
  margin-top:10px;
  padding-top:10px;
  border-top:1px solid var(--line);
}
.settings-panel .field{margin-bottom:10px;}
.settings-panel .field:last-child{margin-bottom:0;}

/* task list */
.task-list{padding:8px 16px 16px;display:flex;flex-direction:column;gap:10px;}
.task{
  background:var(--card);
  border-radius:14px;
  padding:14px 16px;
  display:flex;
  align-items:center;
  gap:12px;
  border:1px solid transparent;
}
.task.current{border-color:var(--accent);}
.task.done{opacity:.6;}
.task-main{flex:1;min-width:0;}
.task-name{font-weight:700;font-size:15px;display:flex;align-items:center;gap:6px;}
.task-name .check{color:var(--ahead);}
.task-name-row{display:flex;align-items:center;gap:6px;}
.task-name-row input.pname{
  flex:1;
  min-width:0;
  border:none;
  background:transparent;
  color:var(--text);
  font-weight:700;
  font-size:15px;
  padding:2px 0;
}
.task-meta{font-size:13px;color:var(--muted);margin-top:3px;display:flex;flex-wrap:wrap;align-items:center;gap:4px;}
/* input과 "분"이 줄바꿈될 때 서로 떨어지지 않고 항상 붙어 있게 한 덩어리로 묶는다 */
.pplanned-group{display:inline-flex;align-items:center;gap:4px;white-space:nowrap;}
.task-meta input.pplanned{
  width:44px;
  border:1px solid var(--line);
  background:var(--bg);
  color:var(--text);
  border-radius:6px;
  padding:3px 4px;
  font-size:13px;
  text-align:center;
}
.task-meta .delta-up{color:var(--ahead);font-weight:700;}
.task-meta .delta-down{color:var(--behind);font-weight:700;}
.task-rec{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;min-width:52px;text-align:right;}
.task-rec small{font-size:12px;font-weight:500;color:var(--muted);}
.done-btn{
  background:var(--accent);
  color:var(--accent-text);
  border:none;
  border-radius:10px;
  padding:10px 14px;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  white-space:nowrap;
}
.done-btn:disabled{
  background:var(--line);
  color:var(--muted);
  cursor:default;
}

.warning-banner{
  margin:0 16px 12px;
  background:var(--behind-bg);
  color:var(--behind);
  padding:10px 14px;
  border-radius:10px;
  font-size:13px;
  font-weight:700;
  text-align:center;
}

.finish-card{margin:16px;text-align:center;}
.finish-card .big{font-size:32px;font-weight:800;margin:10px 0;}
.summary-row{
  display:flex;
  justify-content:space-between;
  padding:10px 0;
  border-bottom:1px solid var(--line);
  font-size:14px;
}
.summary-row:last-child{border-bottom:none;}

footer.actions{padding:0 16px;display:flex;flex-direction:column;gap:8px;margin-top:8px;}