/* Group Shuffle Simple – app.css */
:root{
  --base:#FFFFFF;
  --base-light:#FAFAFA;
  --base-dark:#F5F5F5;

  --main:#1e3a5f;
  --main-light:#2d5a8f;
  --main-dark:#0f1e3a;

  --accent:#d4af37;
  --accent-light:#f4cf5f;
  --accent-dark:#b8941f;

  --text:#2C3E50;
  --text-light:#7F8C8D;

  --border:#E8E8E8;

  --shadow: 0 4px 20px rgba(30, 58, 95, 0.10);
  --shadow-hover: 0 8px 30px rgba(30, 58, 95, 0.15);

  --overlay: rgba(2,6,23,.55);
}

*{box-sizing:border-box}
html,body{
  height:100%;
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
  color:var(--text);
  background: linear-gradient(135deg, #FFFFFF 0%, #F8F9FA 50%, #F0F2F5 100%);
  font-size: 18px;
}
.gs-app{width:100%}
.app-wrap{max-width:1100px;margin:18px auto;padding:14px}

.app-header{
  background: linear-gradient(135deg, var(--main-light) 0%, var(--main) 70%, var(--main-dark) 100%);
  border-top:3px solid var(--accent);
  border-bottom:3px solid var(--accent);
  border-radius:22px;
  padding:14px 16px;
  box-shadow: 0 8px 28px rgba(30,58,95,.25);
  position:relative;
  overflow:hidden;
}
.app-header::before{
  content:'';
  position:absolute; inset:0;
  background: linear-gradient(90deg, transparent, rgba(212,175,55,.18), transparent);
  transform: translateX(-120%);
  animation: gs_shine 3.2s linear infinite;
  pointer-events:none;
}
@keyframes gs_shine{
  0%{transform:translateX(-120%)}
  100%{transform:translateX(120%)}
}
.app-title{
  margin:0;
  color:#fff;
  font-weight:1000;
  letter-spacing:.02em;
  font-size:clamp(20px, 3.4vw, 30px);
  text-shadow:0 2px 10px rgba(0,0,0,.25);
}

.panel{
  background: var(--base);
  border:2px solid var(--border);
  border-radius:24px;
  padding:18px;
  box-shadow: var(--shadow);
  position:relative;
  overflow:hidden;
}
.panel::before{
  content:'';
  position:absolute;
  top:0; left:0; right:0;
  height:4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light), var(--accent));
  opacity:.95;
}

.grid{display:grid;gap:14px}
.g2{grid-template-columns:1fr 1fr}

.tabs{
  display:flex;
  gap:10px;
  padding:8px;
  border-radius:18px;
  background: var(--base-dark);
  border:1px solid var(--border);
}
.tab{
  flex:1;
  border:none;
  cursor:pointer;
  border-radius:14px;
  padding:14px 14px;
  font-weight:1100;
  font-size: 18px;
  color: var(--main);
  background: var(--base);
  box-shadow: 0 2px 8px rgba(30,58,95,.08);
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.tab:hover{transform: translateY(-1px); box-shadow: 0 8px 20px rgba(30,58,95,.12)}
.tab.active{
  background: linear-gradient(135deg, var(--main-light) 0%, var(--main) 100%);
  color: var(--accent);
  box-shadow: 0 10px 24px rgba(30,58,95,.25);
}

textarea{
  width:100%;
  min-height:180px;
  border:2px solid var(--border);
  border-radius:18px;
  padding:16px;
  background: var(--base);
  color: var(--text);
  font-size:19px;
  line-height:1.6;
  resize:vertical;
  transition: border-color .2s ease, box-shadow .2s ease, transform .15s ease;
}
textarea:focus{
  outline:none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(212,175,55,.15);
  transform: scale(1.01);
}
select, input[type="number"]{
  border:2px solid var(--border);
  border-radius:14px;
  padding:12px 14px;
  background: var(--base);
  color: var(--text);
  font-weight:900;
  font-size:19px;
  transition: border-color .2s ease, box-shadow .2s ease, transform .15s ease;
}
select:focus, input[type="number"]:focus{
  outline:none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(212,175,55,.15);
  transform: scale(1.01);
}

input[type="checkbox"]{
  appearance:none;
  width:22px;height:22px;
  border:2px solid var(--border);
  border-radius:6px;
  background: var(--base);
  cursor:pointer;
  position:relative;
  transition: all .18s ease;
}
input[type="checkbox"]:checked{
  border-color: var(--main);
  background: var(--main);
}
input[type="checkbox"]:checked::after{
  content:'✓';
  position:absolute;
  top:50%;left:50%;
  transform:translate(-50%,-54%);
  color: var(--accent);
  font-weight:1200;
  font-size:14px;
}

.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
/* STEP1 下部（人数/全画面/次へ）をPCでは1段に固定 */
.step1-controls{
  flex-wrap:nowrap !important;
  align-items:center;
}
.step1-controls > label{
  flex:0 0 auto;
  white-space:nowrap;
}
.step1-controls select{
  width:88px !important;
}
.step1-controls .btn-primary{
  padding-left:22px;
  padding-right:22px;
}
@media (max-width: 820px){
  /* 画面幅が狭い時は見切れ防止で折り返し許可 */
  .step1-controls{flex-wrap:wrap !important;}
  .step1-controls > label{white-space:normal;}
  .step1-controls select{width:100% !important;}
}


/* WPテーマのbutton/input既定幅で折り返される対策（「30」と「番号」を1段に固定） */
.num-tools{flex-wrap:nowrap !important;}
#autoCount{width:110px !important; flex:0 0 auto !important;}
#fillNumbers{flex:0 0 auto !important; width:auto !important;}
@media (max-width: 520px){
  .num-tools{flex-wrap:wrap !important;}
  #autoCount{width:100% !important;}
  #fillNumbers{width:100% !important;}
}
.grow{flex:1}
.hr{
  height:2px;
  background: linear-gradient(90deg, transparent, rgba(212,175,55,.55), transparent);
  border-radius:1px;
  margin:14px 0;
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 14px;
  border-radius:999px;
  background: #FFFCF5;
  border:2px solid rgba(212,175,55,.55);
  color: var(--main);
  font-weight:1100;
  font-size:16px;
  box-shadow: 0 2px 10px rgba(212,175,55,.10);
  user-select:none;
  white-space: nowrap;
}
.pill .dot{
  width:10px;height:10px;border-radius:999px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent-dark));
  box-shadow: 0 2px 6px rgba(212,175,55,.25);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:auto;
  max-width:none;
  appearance:none;
  border:none;
  cursor:pointer;
  border-radius:14px;
  padding:14px 18px;
  font-weight:1100;
  font-size:18px;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
  user-select:none;
}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none !important}

.btn-primary{
  background: linear-gradient(135deg, var(--main-light) 0%, var(--main) 100%);
  color:#fff;
  box-shadow: 0 6px 16px rgba(30,58,95,.28);
}
.btn-primary:hover{
  background: linear-gradient(135deg, var(--main) 0%, var(--main-dark) 100%);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(30,58,95,.35);
}

.btn-gold{
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
  color: var(--main-dark);
  box-shadow: 0 6px 16px rgba(212,175,55,.22);
}
.btn-gold:hover{
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(212,175,55,.30);
}

.btn-outline{
  background: var(--base);
  color: var(--main);
  border:2px solid var(--main);
  box-shadow: 0 3px 10px rgba(30,58,95,.10);
}
.btn-outline:hover{
  background: var(--main);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(30,58,95,.24);
}

.btn-ghost{
  background: var(--base);
  color: var(--main);
  border:2px dashed rgba(212,175,55,.85);
  box-shadow: none;
  padding: 12px 14px;
  font-size: 16px;
  border-radius: 14px;
}
.btn-ghost:hover{
  background: #FFFCF5;
  transform:none;
}

.btn-small{
  padding:10px 12px;
  border-radius:14px;
  font-size:16px;
}

.toolbar{
  position: sticky;
  top: 10px;
  z-index: 10;
  background: rgba(255,255,255,.92);
  border:1px solid var(--border);
  border-radius:18px;
  padding:10px 12px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.warntext{
  color: #991b1b;
  background: #fff1f2;
  border:1px solid #fecdd3;
  border-radius:14px;
  padding:10px 12px;
  font-weight:1100;
  font-size:16px;
}

.groups{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap:18px;
}

.group{
  background: linear-gradient(135deg, var(--base) 0%, var(--base-light) 100%);
  border:2px solid var(--border);
  border-radius:18px;
  padding:16px;
  box-shadow: 0 8px 18px rgba(30,58,95,.08);
  transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease;
  position:relative;
  overflow:hidden;
}
.group::before{
  content:'';
  position:absolute;top:0;left:0;right:0;height:3px;
  background: linear-gradient(90deg, var(--main), var(--accent), var(--main));
  opacity:.22;
}
.group:hover{
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(30,58,95,.20);
}

.group h3{
  margin:0 0 10px;
  display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;
  color: var(--main);
  font-weight:1100;
}
.gnum{
  font-size:30px;
  font-weight:1200;
  line-height:1;
  color: var(--main);
  letter-spacing:.5px;
}
.gcount{
  font-size:16px;
  color: var(--text-light);
  font-weight:900;
}

.member{
  margin:8px 0;
  padding:10px 12px;
  border-radius:14px;
  background: linear-gradient(135deg, #FFFFFF 0%, #FFFCF5 100%);
  border:1px solid rgba(212,175,55,.35);
  display:flex;align-items:center;justify-content:flex-start;gap:10px;
  transition: background .2s ease, border-color .2s ease;
}
.member:hover{
  background: linear-gradient(135deg, #FFFCF5 0%, #FFF3C4 100%);
  border-color: rgba(212,175,55,.65);
}
.mname{
  font-size:18px;
  font-weight:1100;
  line-height:1.2;
  word-break:break-word;
  flex:1;
}
.mname.is-num{
  font-size:34px;
  font-weight:1250;
  letter-spacing:.8px;
}

/* Pairs */
.groups.pairs{
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap:12px;
}
.pair{
  background: linear-gradient(135deg, var(--base) 0%, var(--base-light) 100%);
  border:2px solid var(--border);
  border-radius:16px;
  padding:12px;
  box-shadow: 0 8px 18px rgba(30,58,95,.07);
  position:relative;
  overflow:hidden;
}
.pair::before{
  content:'';
  position:absolute;top:0;left:0;right:0;height:3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light), var(--accent));
  opacity:.5;
}
.pair-title{
  margin:0 0 8px;
  display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;
  color: var(--main);
  font-weight:1200;
  font-size:16px;
}
.pnum{
  font-size:30px;
  font-weight:1250;
  line-height:1;
  letter-spacing:.5px;
}
.pair-names{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
}
.pair-name{
  padding:10px 10px;
  border-radius:14px;
  background: linear-gradient(135deg, #FFFFFF 0%, #FFFCF5 100%);
  border:1px solid rgba(212,175,55,.35);
  display:flex;align-items:center;justify-content:flex-start;gap:10px;
}
.pname{
  font-size:18px;
  font-weight:1100;
  line-height:1.2;
  word-break:break-word;
  flex:1;
}
.pname.is-num{
  font-size:32px;
  font-weight:1250;
  letter-spacing:.8px;
}

.hidden{display:none !important}
.spacer{height:12px}

/* ===== Modal ===== */
.modal-backdrop{
  position:fixed; inset:0;
  background: var(--overlay);
  display:none;
  align-items:center;
  justify-content:center;
  padding:14px;
  z-index:9999;
}
.modal-backdrop.show{display:flex}

.modal{
  width:min(980px, 100%);
  max-height:min(92vh, 980px);
  background: rgba(255,255,255,.96);
  border:1px solid rgba(232,232,232,.9);
  border-radius:18px;
  box-shadow: 0 30px 90px rgba(2,6,23,.35);
  backdrop-filter: blur(10px);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  --zoom: 1;
}

.modal-header{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  padding:10px 12px;
  background: linear-gradient(135deg, #FFFFFF 0%, #FFFCF5 100%);
  border-bottom:1px solid var(--border);
  position:relative;
}
.modal-header::before{
  content:'';
  position:absolute;top:0;left:0;right:0;height:3px;
  background: linear-gradient(90deg, var(--main), var(--accent), var(--main));
  opacity:.24;
}
.modal-title{
  font-weight:1200;
  color: var(--main);
  font-size:16px;
  display:flex;
  align-items:center;
  gap:8px;
  user-select:none;
}
.modal-title .mini-dot{
  width:9px;height:9px;border-radius:999px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent-dark));
}
.modal-actions{
  display:flex;
  gap:10px;
  align-items:center;
  margin-left:auto;
  flex-wrap:wrap;
}
.modal-body{
  padding:12px;
  overflow:auto;
}

.zoom-inner{
  zoom: var(--zoom);
  width:100%;
}
@supports not (zoom: 1){
  .zoom-inner{
    zoom: 1;
    transform: scale(var(--zoom));
    transform-origin: top left;
    width: 100%;
    display:inline-block;
  }
}
#zoomSpacer{height:0}

.only-fs{display:none}
.modal:fullscreen .only-fs,
.modal:-webkit-full-screen .only-fs{display:inline-flex}

.modal:fullscreen{width:100vw;max-height:100vh;border-radius:0}
.modal:-webkit-full-screen{width:100vw;max-height:100vh;border-radius:0}

@media (max-width: 768px){
  html,body{font-size:17px}
  .g2{grid-template-columns:1fr}
  .row{flex-direction:column;align-items:stretch}
  .groups{grid-template-columns:1fr}
  textarea{min-height:160px;font-size:18px}
  .toolbar{top:8px}
  .modal-actions{margin-left:0}
  .gnum{font-size:28px}
  .mname.is-num{font-size:30px}
  .pnum{font-size:26px}
  .pname.is-num{font-size:28px}
}