:root{
  --ink:#17251f;--muted:#61716a;--paper:#fbfefd;--white:#fff;--mist:#f2faf6;--mint:#dff1ea;--green:#8bb9aa;--green-deep:#244f45;--purple:#7b61a6;--purple-deep:#44305f;--lavender:#f0ebf7;--line:#d8e9e2;--danger:#b83b55;--shadow:0 20px 54px rgba(36,79,69,.12)
}
*{box-sizing:border-box}
body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;margin:0;background:linear-gradient(135deg,#fff 0%,#f6fcf9 50%,#f3eef9 100%);color:var(--ink)}
body::before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(79,134,116,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(79,134,116,.05) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,#000,transparent 70%)}
.app{position:relative;display:grid;grid-template-columns:292px 1fr;min-height:100vh}
.side{position:sticky;top:0;height:100vh;overflow:auto;background:rgba(255,255,255,.86);backdrop-filter:blur(18px);border-right:1px solid var(--line);padding:22px;box-shadow:12px 0 34px rgba(36,79,69,.06)}
.side h2{display:flex;align-items:center;gap:12px;margin:0 0 22px;color:var(--green-deep);font-family:Georgia,serif;font-size:30px}
.side h2::before{content:"";width:42px;height:42px;background:url("../img/logo-sakura.png") center/contain no-repeat;border-radius:16px;box-shadow:0 10px 24px rgba(79,134,116,.12)}
.side button,.side a{display:flex;align-items:center;justify-content:space-between;width:100%;margin:7px 0;padding:12px 14px;border:1px solid transparent;border-radius:16px;text-align:left;color:#304a41;background:transparent;font-weight:850;cursor:pointer;text-decoration:none;transition:.18s ease}
.side button:hover,.side a:hover{background:var(--mint);border-color:var(--line);transform:translateX(2px)}
.main{position:relative;padding:34px;max-width:1500px;width:100%}
.main::before{content:"";position:sticky;top:0;display:block;height:5px;margin:-34px -34px 28px;background:linear-gradient(90deg,var(--green),var(--purple));border-radius:0 0 999px 999px;z-index:5}
.main h1{font-family:Georgia,serif;color:var(--green-deep);font-size:clamp(34px,4vw,52px);margin:0 0 24px}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.card{position:relative;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:24px;padding:22px;margin-bottom:18px;box-shadow:var(--shadow);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 26px 64px rgba(36,79,69,.16)}
.card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--green),var(--purple));opacity:.75}
.card h2{margin:0 0 14px;color:var(--purple-deep)}
.stat b{color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.08em}
.stat h2{font-size:38px;margin:8px 0 0;color:var(--green-deep)}
.admin-form{display:grid;gap:15px}
.form-head{display:flex;align-items:center;justify-content:space-between;gap:16px}
.table-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}
.table-head h2{margin:0}
.table-head>div{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.input.compact{min-width:240px;margin:0;padding:11px 13px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.upload-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:var(--mist);border:1px solid var(--line);border-radius:18px;padding:12px}
.upload-bar input{max-width:320px}
.upload-bar small{color:var(--green-deep);font-weight:800}
label{display:grid;gap:6px;font-weight:850;color:var(--green-deep)}
.hidden{display:none!important}
.check{display:flex;align-items:center;gap:10px;align-self:end;background:var(--mist);padding:12px 14px;border-radius:16px;border:1px solid var(--line)}
.input,textarea,select{width:100%;padding:14px 15px;margin:6px 0;border:1px solid var(--line);border-radius:16px;background:#fff;color:var(--ink);outline:none;transition:border .18s ease,box-shadow .18s ease}
.input:focus,textarea:focus,select:focus{border-color:var(--green);box-shadow:0 0 0 5px rgba(139,185,170,.22)}
textarea{min-height:112px;resize:vertical}
textarea.big{min-height:240px}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{padding:12px 16px;border:1px solid var(--line);border-radius:999px;font-weight:900;cursor:pointer;background:#fff;color:var(--green-deep);transition:.18s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 25px rgba(36,79,69,.12)}
.primary{background:linear-gradient(135deg,var(--green-deep),var(--green));color:white;border-color:transparent}
.danger{background:#fff3f5;color:var(--danger);border-color:#ffd2da}
.mini{border:1px solid var(--line);background:var(--mint);color:var(--green-deep);border-radius:999px;padding:8px 12px;font-weight:900;cursor:pointer;transition:.16s ease}
.mini:hover{background:#fff;transform:translateY(-1px)}
table{width:100%;background:white;border-collapse:separate;border-spacing:0;border-radius:18px;overflow:hidden;border:1px solid var(--line)}
td,th{padding:13px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
tr:last-child td{border-bottom:0}
th{color:var(--purple-deep);background:var(--lavender);font-size:13px;text-transform:uppercase;letter-spacing:.06em}
small{color:var(--muted)}
.muted{color:var(--muted)}
.pwa-splash{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#fff,var(--mint),var(--lavender));transition:.45s ease}
.pwa-splash.hide{opacity:0;transform:scale(1.03);pointer-events:none}
.pwa-splash-card{text-align:center;color:var(--green-deep)}
.pwa-splash-card img{width:108px;height:108px;margin:0 auto 18px;border-radius:28px;box-shadow:var(--shadow)}
.pwa-install-modal{position:fixed;inset:0;z-index:220;display:flex;align-items:flex-end;justify-content:center;background:rgba(23,37,31,.28);backdrop-filter:blur(8px);opacity:0;pointer-events:none;transition:.22s ease;padding:18px}
.pwa-install-modal.open{opacity:1;pointer-events:auto}
.pwa-install-card{position:relative;width:min(460px,100%);background:#fff;border:1px solid var(--line);border-radius:30px;padding:26px;box-shadow:var(--shadow);text-align:center}
.pwa-install-card img{width:82px;height:82px;margin:0 auto 14px;border-radius:22px}
.pwa-close{position:absolute;right:16px;top:14px;border:1px solid var(--line);background:#fff;border-radius:50%;width:36px;height:36px;font-size:24px;cursor:pointer;color:var(--green-deep)}
.pwa-help{background:var(--mist);border:1px solid var(--line);border-radius:18px;padding:14px;margin:16px 0;color:var(--ink)}
.pwa-diagnostics{display:grid;gap:8px;margin:14px 0;padding:0;list-style:none;text-align:left}
.pwa-diagnostics li{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);border-radius:14px;padding:10px;background:#fff}
.pwa-diagnostics b{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:#e6f6ee;color:var(--green-deep);flex:0 0 auto}
.pwa-diagnostics .bad b{background:#fff0f2;color:#b83b55}
.pwa-diagnostics small{display:block;color:var(--muted);font-size:12px;margin-top:2px}
.pwa-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
@media(max-width:1100px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.app{grid-template-columns:250px 1fr}.main{padding:24px}}
@media(max-width:820px){.app{grid-template-columns:1fr}.side{position:relative;height:auto}.grid,.form-grid{grid-template-columns:1fr}.main{padding:18px}table{display:block;overflow-x:auto}.form-head,.table-head{align-items:flex-start;flex-direction:column}.table-head>div{width:100%}.input.compact{width:100%;min-width:0}.side button,.side a{display:inline-flex;width:auto;margin:5px}.side{display:block}}


/* === SaKura Backoffice Pro 2026 ======================================== */
:root{
  --radius:8px;
  --focus:0 0 0 4px rgba(139,185,170,.24);
  --side-w:304px;
  --topbar-h:72px;
}
::selection{background:rgba(123,97,166,.18);color:var(--green-deep)}
body{background:#f8fcfa;color:#13231d;font-size:15px;min-height:100vh}
body::before{background-image:linear-gradient(rgba(36,79,69,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(36,79,69,.045) 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.42),transparent 72%)}
.app{grid-template-columns:var(--side-w) minmax(0,1fr)}
.side{background:rgba(255,255,255,.92);border-right:1px solid rgba(216,233,226,.86);padding:18px;box-shadow:18px 0 48px rgba(21,54,45,.06)}
.side h2{position:sticky;top:0;z-index:2;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);padding:4px 0 16px;margin-bottom:12px;font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-weight:950;font-size:23px;color:#14261f}
.side h2::before{border-radius:8px;width:44px;height:44px}
.side button,.side a{position:relative;border-radius:8px;margin:5px 0;padding:11px 12px;font-weight:820;color:#2a4038}
.side button::after,.side a::after{content:'›';opacity:.35;font-size:18px;transition:.16s ease}
.side button:hover,.side a:hover,.side button.active{background:#eef8f3;border-color:rgba(139,185,170,.55);transform:translateX(3px);box-shadow:0 10px 22px rgba(36,79,69,.08)}
.side button.active::before{content:'';position:absolute;left:-10px;top:10px;bottom:10px;width:4px;border-radius:8px;background:linear-gradient(var(--green),var(--purple))}
.main{padding:30px;max-width:none}
.main::before{height:4px;margin:-30px -30px 24px;border-radius:0;background:linear-gradient(90deg,#244f45,#8bb9aa,#7b61a6)}
.main h1{font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-size:clamp(30px,3.4vw,46px);font-weight:950;color:#17372f;letter-spacing:0;margin-bottom:22px}
.grid{grid-template-columns:repeat(4,minmax(160px,1fr));gap:14px}
.card{border-radius:8px;background:rgba(255,255,255,.94);border-color:rgba(216,233,226,.9);box-shadow:0 12px 34px rgba(36,79,69,.075);padding:20px}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 48px rgba(36,79,69,.12)}
.card::before{height:3px;background:linear-gradient(90deg,#244f45,#8bb9aa,#7b61a6)}
.stat{min-height:122px;display:flex;flex-direction:column;justify-content:space-between}
.stat h2{font-size:40px;color:#17372f}
.form-head,.table-head{position:sticky;top:0;z-index:4;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);padding:10px;border:1px solid var(--line);border-radius:8px;margin:-2px -2px 16px}
.form-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.upload-bar,.check,.input,textarea,select,.btn,.mini,table{border-radius:8px}
.input:focus,textarea:focus,select:focus,.btn:focus-visible,.mini:focus-visible{outline:none;box-shadow:var(--focus)}
.btn,.mini{transition:transform .16s ease,box-shadow .16s ease,background .16s ease}
.primary{background:linear-gradient(135deg,#174f43,#2f806b)}
.danger{background:#fff2f5}
table{border-collapse:separate;border-spacing:0;box-shadow:0 8px 24px rgba(36,79,69,.055)}
th{background:#f1edf8;color:#44305f}
td,th{padding:12px 13px}
tr:hover td{background:#fbfefd}
#items{min-height:120px}
@media(max-width:1180px){
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .app{grid-template-columns:260px 1fr}
}
@media(max-width:820px){
  .app{display:block;padding-bottom:74px}
  .side{position:sticky;top:0;z-index:20;height:auto;max-height:46vh;overflow:auto;border-right:0;border-bottom:1px solid var(--line);padding:12px;background:rgba(255,255,255,.96)}
  .side h2{font-size:20px;margin:0 0 8px;padding:0;background:transparent}
  .side h2::before{width:36px;height:36px}
  .side button,.side a{display:inline-flex;width:auto;margin:4px;padding:9px 10px;font-size:14px}
  .side button::after,.side a::after{display:none}
  .main{padding:16px}
  .main::before{margin:-16px -16px 18px}
  .grid,.form-grid{grid-template-columns:1fr}
  .card{padding:16px}
  .form-head,.table-head{position:relative;top:auto;margin:0 0 14px}
  .table-head>div{display:grid;width:100%;grid-template-columns:1fr}
  table{border:0;background:transparent;box-shadow:none}
  table,tr,td,th,tbody{display:block;width:100%}
  tr:first-child{display:none}
  tr{background:#fff;border:1px solid var(--line);border-radius:8px;margin:0 0 10px;box-shadow:0 8px 20px rgba(36,79,69,.06);overflow:hidden}
  td{border-bottom:1px solid var(--line)}
  td:last-child{border-bottom:0}
}