:root{
  --header-h: 12px;
  --sidebar-w: 222px !important;
  --ink: #111827; /* 黒系文字 */
  --sidebar-bk:#b0b0bb;
  --main-bk:#F8F8FF;
  --card-bk:#363638;
}

*{ box-sizing: border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--main-bk);
  color: #505058;
}
a{
  text-decoration: none !important;
}

input::placeholder {
  color: #a0a0a0;
}
label{
  color:#404048;
  font-size:14px;
  margin-bottom:6px;
}
i{
  margin-right:7px;
}
h1{
  color:#404048 !important;
  margin-bottom:22px;
}
h2{
  font-size:26px !important;
  color:#404048 !important;
  font-weight: 700;
  margin-top:46px;
  margin-bottom:12px;
}

h2 i{
  font-size:16px !important;
  margin-right:6px !important;
}

h3{
  font-size:18px;
  color:#404048;
  margin-top:36px;
  font-weight: 700;
  color: darkblue;
}

.flex{
  display:flex;
}
.header{
  height:45px;
  position: fixed;
  margin-bottom:45px;
  width:100%;
  z-index:99999990;
  display: flex;
  border-bottom: solid 1px #808099;
  background: linear-gradient(180deg, #0a1a3f, #112b55);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}
.header a{
  padding:4px 12px;
  border: solid 1px #606068;
  border-top: none;
  color: #d0d0d8;
  font-size:12px;
  height:28px;
  margin-top:8px;
  margin-right:8px;
}

/* === Sidebar === */
.sidebar{
  position: fixed;
  top: 45px;
  left: 0;
  width: var(--sidebar-w);
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  color: var(--ink);
  padding: 10px .5rem;
  background-color:  var( --main-bk);

  box-shadow: 2px 0 8px rgba(0, 0, 0, 0.12);
}
.sidebar-title{
  font-size: .9rem; opacity: .7; padding: 0 .5rem .5rem;
}
.sidebar a{
  padding:.45rem .75rem .45rem .40rem;
  margin:.25rem .25rem;
  color:#282828; text-decoration:none;
  border-radius:.5rem;
  transition: background .2s,color .2s;
  opacity:0.9;
  font-size:12px;
  align-items: center;   
  display: flex;
  color:white;
}
.sidebar a:hover,
.sidebar a.active{
  color: midnightblue;
  opacity:0.8;
}
.sidebar a i{
  opacity:0.4;
  margin-right:12px;
  font-size:17px;
}

.sidebar a i.active{
  color: midnightblue;
  opacity:0.8;
}

.sidebar a.active i{
  color: midnightblue;
  opacity:0.8;
}



  /* ダーク/ライト混在向け（任意で上書き可能） */
  @media (prefers-color-scheme: light){
    .help-tooltip{
      background: rgba(30,30,33,.98);
    }
    .help-tooltip::after{
      border-color: transparent transparent rgba(30,30,33,.98) transparent;
    }
  }

  /* モーション控えめ */
  @media (prefers-reduced-motion: reduce){
    .help-tooltip{ transition: none; }
  }

/* === ボタンスピナー === */
.btn-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid #fff;
  border-top: 2px solid transparent;
  border-radius: 50%;
  margin-right: 8px;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}
.loading-text{
  font-size:11px;
  text-align: left;
  margin:3px auto 0 -9px !important;
}

.new-button {
  margin-top: 28px;
  background: linear-gradient(135deg, #7b61ff, #b47cff);
  color: #fff;
  font-weight: 600;
  padding: 16px 28px;
  border: none;
  border-radius: 9999px;
  font-size: 14px;
  box-shadow: 0 4px 16px rgba(123,97,255,0.35);
  cursor: pointer;
}