/* =========================================================
   shift-flow  共通スタイル（モダン / モバイルファースト）
   ========================================================= */

:root{
  --primary:#4f46e5;
  --primary-dark:#3730a3;
  --primary-light:#818cf8;
  --accent:#06b6d4;
  --success:#10b981;
  --success-bg:#ecfdf5;
  --danger:#ef4444;
  --danger-bg:#fef2f2;
  --warning:#f59e0b;
  --bg:#f4f5fb;
  --surface:#ffffff;
  --text:#1e1b2e;
  --text-muted:#6b7280;
  --border:#e5e7eb;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 8px rgba(30,20,60,.06);
  --shadow-md:0 8px 24px rgba(30,20,60,.10);
  --shadow-lg:0 16px 40px rgba(30,20,60,.16);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:'Noto Sans JP','Inter',sans-serif;
  background:linear-gradient(160deg,#eef0fb 0%, #f4f5fb 40%, #eaf6f8 100%);
  color:var(--text);
  min-height:100vh;
  -webkit-tap-highlight-color:transparent;
}
button{font-family:inherit;}
img{max-width:100%;}

.app-shell{min-height:100vh;display:flex;flex-direction:column;}

/* ---------- Topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.topbar-inner{
  max-width:820px;margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;gap:12px;justify-content:space-between;
}
.brand{
  display:flex;align-items:center;gap:10px;
  background:none;border:none;cursor:pointer;padding:4px;
  font-size:1.25rem;font-weight:800;color:var(--text);
  user-select:none;
}
.brand-icon{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:1rem;box-shadow:var(--shadow-sm);
}
.brand-accent{color:var(--primary);}
.topbar-sub{font-size:.78rem;color:var(--text-muted);font-weight:500;white-space:nowrap;}

/* ---------- Main / views ---------- */
.main-view{flex:1;max-width:820px;margin:0 auto;width:100%;padding:20px 16px 60px;}
.view-panel{display:none;animation:fadeIn .35s ease;}
.view-panel.active{display:block;}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}

.hero{padding:18px 4px 22px;text-align:center;}
.hero h1{font-size:1.5rem;line-height:1.4;margin:0 0 10px;font-weight:800;}
.hero p{color:var(--text-muted);margin:0;font-size:.92rem;}
.sp-only{display:none;}
@media (max-width:480px){.sp-only{display:inline;}}

.card{
  background:var(--surface);
  border-radius:var(--radius-lg);
  padding:20px;
  box-shadow:var(--shadow-sm);
  margin-bottom:16px;
  border:1px solid rgba(255,255,255,.6);
}

/* ---------- Campaign list ---------- */
.campaign-list{display:flex;flex-direction:column;gap:14px;}
.skeleton-card{height:110px;border-radius:var(--radius-lg);background:linear-gradient(90deg,#eceefb 25%,#f7f8fd 50%,#eceefb 75%);background-size:200% 100%;animation:shimmer 1.4s infinite;}
@keyframes shimmer{0%{background-position:200% 0;}100%{background-position:-200% 0;}}

.campaign-card{
  background:var(--surface);border-radius:var(--radius-lg);
  padding:20px;box-shadow:var(--shadow-sm);cursor:pointer;
  border:1px solid var(--border);
  transition:transform .15s ease, box-shadow .15s ease;
  position:relative;overflow:hidden;
}
.campaign-card:active{transform:scale(.98);}
.campaign-card:hover{box-shadow:var(--shadow-md);}
.campaign-card::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:6px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.campaign-card h3{margin:0 0 8px;font-size:1.08rem;font-weight:700;}
.campaign-card .cc-desc{color:var(--text-muted);font-size:.86rem;margin:0 0 12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cc-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:.78rem;color:var(--text-muted);}
.cc-meta span{background:var(--bg);padding:4px 10px;border-radius:20px;display:inline-flex;align-items:center;gap:5px;}
.cc-arrow{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--primary-light);font-size:1.2rem;}
.cc-empty{text-align:center;padding:50px 10px;color:var(--text-muted);}
.cc-empty i{font-size:2.4rem;color:var(--primary-light);margin-bottom:10px;display:block;}

/* ---------- Form view ---------- */
.back-link{
  background:none;border:none;color:var(--primary);font-weight:600;
  display:flex;align-items:center;gap:6px;padding:6px 0;margin-bottom:14px;cursor:pointer;font-size:.9rem;
}
.form-header h2{margin:0 0 6px;font-size:1.3rem;font-weight:800;}
.muted{color:var(--text-muted);font-size:.9rem;}
.form-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:14px;font-size:.85rem;color:var(--text-muted);}
.form-meta strong{color:var(--text);}

.name-card{border:2px solid var(--primary-light);}
.field-label{display:block;font-weight:700;margin-bottom:8px;font-size:.92rem;}
.field-label.required::after{content:'必須';font-size:.68rem;background:var(--danger);color:#fff;padding:2px 7px;border-radius:20px;margin-left:8px;font-weight:600;vertical-align:middle;}
.text-input,.text-area{
  width:100%;border:1.5px solid var(--border);border-radius:var(--radius-sm);
  padding:13px 14px;font-size:1rem;font-family:inherit;color:var(--text);
  background:#fbfbfe;transition:border-color .15s;
}
.text-input:focus,.text-area:focus{outline:none;border-color:var(--primary);background:#fff;}
.text-area{resize:vertical;}
.hint{margin-top:8px;font-size:.78rem;color:var(--text-muted);}

.progress-bar-wrap{padding:16px 20px;}
.progress-info{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;margin-bottom:10px;}
.badge-min{background:var(--bg);color:var(--primary-dark);padding:4px 10px;border-radius:20px;font-weight:700;font-size:.76rem;}
.progress-track{height:8px;background:var(--bg);border-radius:20px;overflow:hidden;}
.progress-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:20px;transition:width .3s ease;}

/* ---------- Shift groups ---------- */
.shift-groups{display:flex;flex-direction:column;gap:14px;margin-bottom:16px;}
.date-group{background:var(--surface);border-radius:var(--radius-lg);padding:16px 16px 18px;box-shadow:var(--shadow-sm);}
.date-group-head{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.date-badge{
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;border-radius:10px;padding:6px 12px;font-weight:700;font-size:.85rem;
}
.date-group-head .dg-count{margin-left:auto;font-size:.76rem;color:var(--text-muted);}

.slot-chip{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  border:1.6px solid var(--border);border-radius:var(--radius-md);
  padding:13px 14px;margin-bottom:8px;cursor:pointer;
  transition:all .15s ease;user-select:none;background:#fff;
}
.slot-chip:last-child{margin-bottom:0;}
.slot-chip:active{transform:scale(.97);}
.slot-chip .sc-info{display:flex;flex-direction:column;gap:2px;}
.slot-chip .sc-name{font-weight:700;font-size:.92rem;}
.slot-chip .sc-time{font-size:.78rem;color:var(--text-muted);}
.slot-chip .sc-status{
  display:flex;align-items:center;gap:6px;font-weight:700;font-size:.82rem;
  padding:8px 14px;border-radius:20px;background:var(--bg);color:var(--text-muted);
  min-width:96px;justify-content:center;
  transition:all .15s ease;
}
.slot-chip.state-available{border-color:var(--success);background:var(--success-bg);}
.slot-chip.state-available .sc-status{background:var(--success);color:#fff;}
.slot-chip.state-unavailable{border-color:var(--danger);background:var(--danger-bg);}
.slot-chip.state-unavailable .sc-status{background:var(--danger);color:#fff;}
.slot-chip.state-full{opacity:.55;cursor:not-allowed;}
.slot-chip.state-full .sc-status{background:#e5e7eb;color:var(--text-muted);}

/* ---------- Submit ---------- */
.submit-bar{position:sticky;bottom:14px;text-align:center;margin-top:10px;}
.btn-primary,.btn-secondary{
  border:none;border-radius:50px;font-weight:700;cursor:pointer;
  transition:transform .12s ease, box-shadow .12s ease, opacity .12s ease;
  font-size:.95rem;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;padding:14px 26px;box-shadow:var(--shadow-md);
  display:inline-flex;align-items:center;gap:8px;
}
.btn-primary:active{transform:scale(.97);}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;}
.btn-lg{width:100%;padding:16px;font-size:1.02rem;}
.btn-secondary{background:var(--bg);color:var(--text);padding:12px 22px;}
.submit-hint{margin-top:10px;font-size:.82rem;color:var(--danger);min-height:1.2em;}

/* ---------- Done view ---------- */
.done-card{text-align:center;padding:44px 24px;}
.done-icon{font-size:3.6rem;color:var(--success);margin-bottom:14px;}
.done-card h2{margin:0 0 8px;}
.done-card .btn-secondary{margin-top:20px;}

.app-footer{text-align:center;padding:18px;color:var(--text-muted);font-size:.78rem;}

/* ---------- Toast ---------- */
.toast{
  position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);
  background:var(--text);color:#fff;padding:12px 22px;border-radius:50px;
  font-size:.86rem;opacity:0;pointer-events:none;transition:all .25s ease;z-index:100;
  box-shadow:var(--shadow-lg);
}
.toast.show{opacity:1;transform:translate(-50%,0);}
.toast.error{background:var(--danger);}
.toast.success{background:var(--success);}

/* ---------- Admin passcode modal ---------- */
.modal-overlay{
  position:fixed;inset:0;background:rgba(20,15,40,.55);
  display:none;align-items:center;justify-content:center;z-index:200;padding:20px;
  backdrop-filter:blur(3px);
}
.modal-overlay.show{display:flex;}
.modal-box{
  background:#fff;border-radius:var(--radius-lg);padding:28px 24px;max-width:340px;width:100%;
  text-align:center;box-shadow:var(--shadow-lg);animation:popIn .2s ease;
}
@keyframes popIn{from{transform:scale(.9);opacity:0;}to{transform:scale(1);opacity:1;}}
.modal-icon{font-size:2rem;color:var(--primary);margin-bottom:8px;}
.modal-box h3{margin:0 0 4px;}
.modal-box .text-input{margin-top:14px;text-align:center;letter-spacing:.2em;}
.modal-error{color:var(--danger);font-size:.8rem;min-height:1.2em;margin-top:8px;}
.modal-actions{display:flex;gap:10px;margin-top:16px;}
.modal-actions .btn-secondary,.modal-actions .btn-primary{flex:1;}

/* =========================================================
   管理者ページ専用スタイル
   ========================================================= */
.admin-shell{display:flex;min-height:100vh;}
.admin-sidebar{
  width:230px;background:linear-gradient(180deg,var(--primary-dark),var(--primary));
  color:#fff;padding:22px 16px;display:flex;flex-direction:column;flex-shrink:0;
}
.admin-sidebar .brand{color:#fff;margin-bottom:26px;}
.admin-nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.admin-nav button{
  background:none;border:none;color:rgba(255,255,255,.8);text-align:left;
  padding:11px 14px;border-radius:10px;font-weight:600;cursor:pointer;font-size:.9rem;
  display:flex;align-items:center;gap:10px;transition:background .15s;
}
.admin-nav button:hover{background:rgba(255,255,255,.1);}
.admin-nav button.active{background:rgba(255,255,255,.18);color:#fff;}
.admin-logout{background:rgba(255,255,255,.1);border:none;color:#fff;padding:10px;border-radius:10px;cursor:pointer;font-size:.85rem;font-weight:600;}

.admin-main{flex:1;padding:26px 30px 60px;max-width:1180px;}
.admin-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:22px;flex-wrap:wrap;gap:12px;}
.admin-header h1{margin:0 0 4px;font-size:1.5rem;}
.admin-page{display:none;}
.admin-page.active{display:block;animation:fadeIn .3s ease;}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:22px;}
.stat-card{background:#fff;border-radius:var(--radius-md);padding:18px;box-shadow:var(--shadow-sm);}
.stat-card .stat-label{font-size:.78rem;color:var(--text-muted);margin-bottom:6px;}
.stat-card .stat-value{font-size:1.7rem;font-weight:800;}
.stat-card.accent-primary .stat-value{color:var(--primary);}
.stat-card.accent-success .stat-value{color:var(--success);}
.stat-card.accent-warning .stat-value{color:var(--warning);}

.table-wrap{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;}
table.data-table{width:100%;border-collapse:collapse;font-size:.88rem;}
table.data-table th,table.data-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border);}
table.data-table th{background:var(--bg);font-weight:700;color:var(--text-muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;}
table.data-table tr:last-child td{border-bottom:none;}
table.data-table tr:hover td{background:#fafafe;}

.tag{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:.74rem;font-weight:700;}
.tag-draft{background:#f3f4f6;color:#6b7280;}
.tag-open{background:var(--success-bg);color:var(--success);}
.tag-closed{background:var(--danger-bg);color:var(--danger);}
.tag-filled{background:var(--success-bg);color:var(--success);}
.tag-openslot{background:#fff7ed;color:var(--warning);}

.btn-sm{padding:7px 14px;font-size:.78rem;border-radius:8px;border:none;cursor:pointer;font-weight:700;}
.btn-sm.primary{background:var(--primary);color:#fff;}
.btn-sm.ghost{background:var(--bg);color:var(--text);}
.btn-sm.danger{background:var(--danger-bg);color:var(--danger);}
.btn-sm i{margin-right:4px;}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-grid .full{grid-column:1 / -1;}
@media (max-width:720px){.form-grid{grid-template-columns:1fr;}}
.form-group label{display:block;font-weight:700;font-size:.85rem;margin-bottom:6px;}
.form-group{margin-bottom:4px;}
.form-group .sub{font-size:.76rem;color:var(--text-muted);margin-top:4px;}

.weekday-picker{display:flex;gap:8px;flex-wrap:wrap;}
.weekday-picker label{
  display:flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;border:1.6px solid var(--border);
  cursor:pointer;font-weight:700;font-size:.85rem;background:#fff;
}
.weekday-picker input{display:none;}
.weekday-picker input:checked + span{color:#fff;}
.weekday-picker label:has(input:checked){background:var(--primary);border-color:var(--primary);color:#fff;}

.toggle-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border);}
.toggle-row:last-child{border-bottom:none;}
.toggle-row .toggle-label{font-weight:600;font-size:.9rem;}
.toggle-row .toggle-desc{font-size:.76rem;color:var(--text-muted);margin-top:2px;}
.switch{position:relative;display:inline-block;width:46px;height:26px;flex-shrink:0;}
.switch input{opacity:0;width:0;height:0;}
.switch-slider{position:absolute;cursor:pointer;inset:0;background:#d1d5db;border-radius:26px;transition:.2s;}
.switch-slider::before{position:absolute;content:'';height:20px;width:20px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.2s;}
.switch input:checked + .switch-slider{background:var(--primary);}
.switch input:checked + .switch-slider::before{transform:translateX(20px);}

.template-row{display:flex;gap:10px;align-items:flex-end;margin-bottom:10px;flex-wrap:wrap;background:var(--bg);padding:12px;border-radius:12px;}
.template-row .tf{flex:1;min-width:100px;}
.template-row label{font-size:.72rem;color:var(--text-muted);display:block;margin-bottom:4px;font-weight:600;}
.template-row input{width:100%;padding:9px 10px;border-radius:8px;border:1.4px solid var(--border);font-size:.86rem;}
.template-remove{background:var(--danger-bg);color:var(--danger);border:none;border-radius:8px;padding:9px 12px;cursor:pointer;height:38px;}

.section-title{font-size:1.05rem;font-weight:800;margin:26px 0 12px;display:flex;align-items:center;gap:8px;}
.section-title:first-child{margin-top:0;}

.action-bar{display:flex;gap:10px;justify-content:flex-end;margin-top:20px;flex-wrap:wrap;}

.empty-state{text-align:center;padding:50px 20px;color:var(--text-muted);}
.empty-state i{font-size:2.4rem;color:var(--primary-light);margin-bottom:10px;display:block;}

.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;}
.login-box{background:#fff;border-radius:var(--radius-lg);padding:40px 32px;max-width:380px;width:100%;text-align:center;box-shadow:var(--shadow-lg);}
.login-box .brand-icon{width:56px;height:56px;font-size:1.4rem;margin:0 auto 16px;}
.login-box h2{margin:0 0 6px;}

.mobile-admin-toggle{display:none;}
@media (max-width:860px){
  .admin-shell{flex-direction:column;}
  .admin-sidebar{width:100%;flex-direction:row;align-items:center;padding:14px 16px;flex-wrap:wrap;}
  .admin-sidebar .brand{margin-bottom:0;margin-right:auto;}
  .admin-nav{flex-direction:row;flex-wrap:wrap;flex:none;width:100%;order:3;margin-top:10px;}
  .admin-main{padding:20px 16px 60px;}
  .form-grid{grid-template-columns:1fr;}
}

.responses-list{display:flex;flex-direction:column;gap:10px;}
.response-item{background:#fff;border-radius:12px;padding:14px 16px;box-shadow:var(--shadow-sm);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;}
.response-item .ri-name{font-weight:700;}
.response-item .ri-meta{font-size:.78rem;color:var(--text-muted);}
.response-item .ri-note{font-size:.8rem;color:var(--text);margin-top:6px;width:100%;background:var(--bg);padding:8px 10px;border-radius:8px;}

.filter-row{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap;align-items:center;}
.filter-row select,.filter-row input{padding:9px 12px;border-radius:8px;border:1.4px solid var(--border);font-size:.85rem;}