*{box-sizing:border-box}
:root{
  --navy:#0f172a;
  --navy2:#172033;
  --blue:#2563eb;
  --blue2:#1d4ed8;
  --text:#172033;
  --muted:#64748b;
  --line:#e2e8f0;
  --bg:#f6f8fc;
  --card:#ffffff;
  --danger:#b91c1c;
  --success:#15803d;
  --shadow:0 12px 35px rgba(15,23,42,.07);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}
html{background:var(--bg)}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);line-height:1.5}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:none}
.topbar{
  min-height:68px;background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 30px;gap:24px;box-shadow:0 2px 12px rgba(15,23,42,.15)
}
.brand{font-weight:800;color:#fff;letter-spacing:-.2px}
.nav{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.nav a{color:#dbeafe;font-size:14px;font-weight:600}
.nav a:hover{color:#fff}
.container{width:min(1180px,calc(100% - 40px));margin:34px auto 70px}
.auth-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:28px;background:
  radial-gradient(circle at top left,rgba(37,99,235,.10),transparent 34%),
  linear-gradient(180deg,#f8fbff 0%,#f3f6fb 100%)
}
.auth-card{
  width:min(430px,100%);padding:36px!important;border-radius:20px!important;
  box-shadow:0 20px 55px rgba(15,23,42,.12)!important
}
.auth-card h1{font-size:30px;margin-bottom:7px}
.auth-card .muted{margin-bottom:26px}
h1{font-size:34px;line-height:1.15;margin:0 0 8px;letter-spacing:-.7px}
h2{font-size:20px;margin:0 0 12px}
h3{margin:0 0 8px}
p{margin:0 0 12px}
.muted{color:var(--muted)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:24px;margin:20px 0;box-shadow:var(--shadow)
}
.section-head,.page-header{
  display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-bottom:22px}
.full-col{grid-column:1/-1}
label{display:block;font-weight:700;font-size:14px;margin-bottom:7px;color:#334155}
input,select,textarea{
  width:100%;border:1px solid #cbd5e1;border-radius:11px;padding:12px 13px;
  font:inherit;background:#fff;color:var(--text);transition:.15s border,.15s box-shadow
}
input::placeholder,textarea::placeholder{color:#94a3b8}
input:focus,select:focus,textarea:focus{
  outline:0;border-color:#60a5fa;box-shadow:0 0 0 4px rgba(37,99,235,.10)
}
textarea{resize:vertical}
button,.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  border:0;border-radius:11px;padding:11px 17px;background:var(--blue);
  color:#fff;font-weight:750;cursor:pointer;text-decoration:none;
  transition:.15s transform,.15s background,.15s box-shadow
}
button:hover,.btn:hover{background:var(--blue2);text-decoration:none;box-shadow:0 7px 18px rgba(37,99,235,.18)}
button:active,.btn:active{transform:translateY(1px)}
.btn.secondary{background:#e8eef8;color:#1e3a5f}
.btn.secondary:hover{background:#dce6f4;box-shadow:none}
.btn.small{padding:7px 11px;font-size:13px;border-radius:9px}
.btn.full{width:100%;margin-top:8px}
.alert{padding:13px 15px;border-radius:11px;margin:15px 0;font-size:14px}
.alert.error{background:#fff1f2;color:var(--danger);border:1px solid #fecdd3}
.alert.success{background:#f0fdf4;color:var(--success);border:1px solid #bbf7d0}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px}
table{width:100%;border-collapse:collapse;min-width:720px;background:#fff}
th,td{text-align:left;padding:13px 12px;border-bottom:1px solid #edf1f5;vertical-align:top}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#64748b;background:#f8fafc}
tbody tr:hover{background:#fafcff}
tbody tr:last-child td{border-bottom:0}
.badge{display:inline-block;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:800;letter-spacing:.02em}
.status-owned{background:#dcfce7;color:#166534}
.status-sold{background:#dbeafe;color:#1e40af}
.status-reserved{background:#fef3c7;color:#92400e}
.status-loaned{background:#ede9fe;color:#5b21b6}
.status-lost{background:#fee2e2;color:#991b1b}
.details{display:grid;grid-template-columns:180px 1fr;margin:0}
.details dt,.details dd{padding:10px 0;border-bottom:1px solid #edf1f5;margin:0}
.details dt{font-weight:700;color:#64748b}
.details dd{color:#1e293b}
.sensitive{border-color:#f2d48a;background:#fffdf7}
.price-box{background:#eff6ff;border:1px solid #bfdbfe;padding:19px;border-radius:13px;margin-bottom:20px}
.price-box span,.price-box small{display:block;color:#64748b}
.price-box strong{display:block;font-size:29px;line-height:1.2;margin:6px 0;color:#1d4ed8}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.stat{background:#fff;border:1px solid var(--line);border-radius:15px;padding:19px;box-shadow:0 4px 16px rgba(15,23,42,.035)}
.stat span{display:block;color:#64748b;font-size:13px;font-weight:650}
.stat strong{display:block;font-size:25px;margin-top:5px;letter-spacing:-.4px}
.stat.financial{border-left:4px solid #d4a017}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.quick-links{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.link-card{display:flex;flex-direction:column;gap:7px;color:inherit;transition:.15s transform}
.link-card:hover{transform:translateY(-2px)}
.filterbar{display:flex;gap:10px;margin-bottom:18px}
.filterbar input{flex:1}
.pagination{display:flex;gap:6px;flex-wrap:wrap;margin-top:18px}
.pagination a{padding:7px 10px;border:1px solid #d5dbe5;border-radius:8px;background:#fff}
.pagination a.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.compact-form{display:grid;gap:9px;margin-top:12px;min-width:240px}
details summary{cursor:pointer;font-weight:700;color:var(--blue)}
code{font-size:12px;word-break:break-word}
.hero{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:27px;
  box-shadow:var(--shadow);margin-bottom:22px
}
.searchbar{display:flex;gap:10px;margin-top:20px}
.searchbar input{flex:1}
small{font-size:12px}
@media(max-width:800px){
  .topbar{padding:13px 16px;align-items:flex-start;flex-direction:column}
  .nav{gap:10px}
  .container{width:min(100% - 20px,1180px);margin-top:20px}
  .form-grid,.grid-2,.quick-links,.stats{grid-template-columns:1fr}
  .full-col{grid-column:auto}
  .searchbar,.filterbar{flex-direction:column}
  .details{grid-template-columns:1fr}
  .details dt{border-bottom:0;padding-bottom:2px}
  .details dd{padding-top:0}
  h1{font-size:28px}
  .card{padding:19px}
  .auth-card{padding:27px!important}
}

.description-text{white-space:normal;line-height:1.65}

.check-row{display:flex;align-items:center;gap:8px;font-weight:600}
.check-row input{width:auto}
.action-stack{display:flex;gap:7px;flex-wrap:wrap}
.sell-btn{background:#15803d}
.sell-btn:hover{background:#166534}
.history-list{display:grid;gap:8px}
.history-item{display:flex;justify-content:space-between;gap:12px;padding:11px 13px;border:1px solid #e2e8f0;border-radius:10px;background:#f8fafc}
.history-item span{color:#64748b;font-size:12px;text-align:right}
.search-advanced{display:grid;grid-template-columns:2fr 1fr 1fr 1.6fr auto}
.sales-filters{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));align-items:center}
.chart-card canvas{width:100%;height:220px;display:block}
@media(max-width:1000px){
 .search-advanced,.sales-filters{grid-template-columns:1fr 1fr}
}
@media(max-width:650px){
 .search-advanced,.sales-filters{grid-template-columns:1fr}
 .history-item{flex-direction:column}.history-item span{text-align:left}
}

.category-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.category-badge{background:#e0e7ff;color:#3730a3}

.quick-search-form{width:100%}
.quick-search-row{display:flex;gap:12px;align-items:stretch}
.quick-search-input{flex:1;min-width:0;height:52px;padding:0 18px;border:1px solid #cbd5e1;border-radius:10px;font-size:16px;background:#fff}
.quick-search-input:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.quick-search-button{height:52px;min-width:96px}
@media(max-width:700px){
    .quick-search-row{flex-direction:column}
    .quick-search-button{width:100%}
    
}

.btn.danger{background:#b42318;color:#fff;border-color:#b42318}.btn.danger:hover{filter:brightness(.95)}

.ci-modal{position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(15,23,42,.55)}
.ci-modal.show{display:flex}
.ci-modal-card{position:relative;width:min(460px,100%);background:#fff;border-radius:18px;padding:25px;box-shadow:0 24px 70px rgba(15,23,42,.28)}
.ci-modal-close{position:absolute;right:12px;top:10px;width:36px;height:36px;padding:0;border-radius:9px;background:#eef2f7;color:#334155;font-size:24px;line-height:1}
.ci-modal-close:hover{background:#e2e8f0;color:#0f172a;box-shadow:none}
.ci-modal-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:18px}
.btn.danger{background:var(--danger);color:#fff}.btn.danger:hover{background:#991b1b;box-shadow:0 7px 18px rgba(185,28,28,.18)}

/* Delete inventory modal - responsive UI */
body.ci-modal-open{overflow:hidden}
.ci-modal{
  position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center;
  padding:24px;background:rgba(15,23,42,.58);backdrop-filter:blur(3px);overflow-y:auto
}
.ci-modal.show{display:flex}
.ci-modal-card{
  position:relative;width:min(520px,100%);max-height:calc(100vh - 48px);overflow:auto;
  background:#fff;border:1px solid rgba(226,232,240,.95);border-radius:20px;
  box-shadow:0 28px 80px rgba(15,23,42,.28);animation:ciModalIn .16s ease-out
}
@keyframes ciModalIn{from{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}
.ci-modal-header{
  display:flex;align-items:center;gap:13px;padding:20px 22px 17px;border-bottom:1px solid #edf1f5
}
.ci-modal-icon{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:#fee2e2;color:#b91c1c;font-weight:900;font-size:22px
}
.ci-modal-heading{min-width:0;flex:1}
.ci-modal-heading h2{margin:0;font-size:20px;line-height:1.2;color:#0f172a}
.ci-modal-heading p{margin:4px 0 0;color:#64748b;font-size:13px}
.ci-modal-close{
  position:static;flex:0 0 36px;width:36px;height:36px;padding:0;border:0;border-radius:10px;
  background:#f1f5f9;color:#475569;font-size:22px;line-height:1;cursor:pointer
}
.ci-modal-close:hover{background:#e2e8f0;color:#0f172a;box-shadow:none}
.ci-modal-body{padding:20px 22px 22px}
.ci-delete-item{
  display:flex;align-items:center;justify-content:space-between;gap:15px;padding:14px 15px;margin-bottom:14px;
  background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px
}
.ci-delete-item span{font-size:13px;color:#64748b}
.ci-delete-item strong{font-size:16px;color:#0f172a;word-break:break-all;text-align:right}
.ci-delete-warning{
  padding:13px 14px;margin-bottom:20px;border:1px solid #fecaca;border-radius:12px;background:#fff7f7;color:#991b1b
}
.ci-delete-warning strong{display:block;font-size:13px;margin-bottom:3px}
.ci-delete-warning p{margin:0;font-size:13px;line-height:1.55}
.ci-delete-form label{margin-bottom:7px}
.ci-pin-wrap{position:relative}
.ci-pin-wrap input{padding-right:105px;height:48px}
.ci-pin-toggle{
  position:absolute;right:5px;top:5px;height:38px;padding:0 11px;border-radius:8px;
  background:#eef2f7;color:#334155;font-size:12px;font-weight:800
}
.ci-pin-toggle:hover{background:#e2e8f0;color:#0f172a;box-shadow:none}
.ci-form-hint{margin:7px 0 0;color:#64748b;font-size:12px}
.ci-modal-actions{
  display:grid;grid-template-columns:1fr 1.35fr;gap:10px;margin-top:20px
}
.ci-modal-actions .btn{width:100%;min-height:46px}
@media(max-width:560px){
  .ci-modal{padding:12px;align-items:flex-end}
  .ci-modal-card{max-height:calc(100vh - 24px);border-radius:18px}
  .ci-modal-header{padding:17px 17px 14px}
  .ci-modal-body{padding:16px 17px 18px}
  .ci-modal-heading h2{font-size:18px}
  .ci-delete-item{align-items:flex-start;flex-direction:column;gap:4px}
  .ci-delete-item strong{text-align:left}
  .ci-modal-actions{grid-template-columns:1fr;gap:8px}
  .ci-modal-actions .btn:first-child{order:2}
  .ci-modal-actions .btn:last-child{order:1}
}


/* Delete action moved inside Edit Inventory */
.danger-zone{border:1px solid #fecaca;background:#fffafa}
.delete-item-panel{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px;border:1px solid #fee2e2;border-radius:14px;background:#fff}
.delete-item-panel>div:first-child{min-width:0}
.delete-item-panel strong{display:block;color:#991b1b;margin-bottom:4px}
.delete-details{position:relative;min-width:150px}
.delete-details>summary{list-style:none;display:inline-flex;justify-content:center;align-items:center;text-decoration:none;cursor:pointer;color:#fff;background:#b91c1c;border:1px solid #b91c1c;border-radius:9px;padding:10px 14px;font-weight:700}
.delete-details>summary::-webkit-details-marker{display:none}
.delete-details[open]>summary{background:#991b1b}
.delete-confirm-form{margin-top:12px;padding:16px;border:1px solid #fecaca;border-radius:12px;background:#fff7f7;min-width:min(390px,calc(100vw - 70px))}
.delete-confirm-form label{display:block;font-weight:700;color:#334155;margin-bottom:7px}
.delete-confirm-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}
@media (max-width:700px){
  .delete-item-panel{flex-direction:column;align-items:stretch}
  .delete-details{width:100%}
  .delete-details>summary{width:100%}
  .delete-confirm-form{min-width:0;width:auto}
  .delete-confirm-actions{display:grid;grid-template-columns:1fr 1fr}
}

/* =========================================================
   Responsive UI v3.9
   Lightweight, touch-friendly, no external CSS framework.
   ========================================================= */
:root{
  --touch:46px;
  --content-max:1200px;
}
html{scroll-behavior:smooth}
body{-webkit-text-size-adjust:100%;overflow-x:hidden}
button,.btn,input,select,textarea{min-height:var(--touch)}
button,.btn{white-space:nowrap}
.topbar{
  position:sticky;top:0;z-index:1000;
  min-height:64px;padding:10px max(16px,calc((100vw - var(--content-max))/2));
  gap:16px;
}
.brand{display:inline-flex;align-items:center;gap:9px;min-height:44px;flex:0 0 auto}
.brand-mark{
  width:30px;height:30px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;
  background:#fff;color:var(--navy);font-size:11px;font-weight:900;letter-spacing:-.3px
}
.nav{justify-content:flex-end;gap:4px;flex:1}
.nav a{display:inline-flex;align-items:center;min-height:42px;padding:8px 9px;border-radius:9px;white-space:nowrap}
.nav a:hover{background:rgba(255,255,255,.08)}
.nav-toggle{display:none;flex:0 0 44px;width:44px;height:44px;min-height:44px;padding:9px;border-radius:10px;background:rgba(255,255,255,.08);box-shadow:none}
.nav-toggle:hover{background:rgba(255,255,255,.15);box-shadow:none}
.nav-toggle span{display:block;width:22px;height:2px;margin:4px auto;border-radius:2px;background:#fff}
.container{width:min(var(--content-max),calc(100% - 32px));margin:30px auto 64px}
.page-header,.section-head{align-items:flex-start}
.section-head>div:first-child{min-width:0}
.card,.hero{overflow:hidden}
.card{padding:22px}
.stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.stat{min-width:0;padding:18px}
.stat strong{overflow-wrap:anywhere}
.grid-2{gap:16px}
.quick-links{grid-template-columns:repeat(4,minmax(0,1fr))}
.table-wrap{-webkit-overflow-scrolling:touch;scrollbar-width:thin}
table{min-width:680px}
th,td{padding:12px 11px}
.action-stack{align-items:center}
.pagination{align-items:center}
.pagination a{min-height:42px;display:inline-flex;align-items:center}
.form-grid{gap:16px}
input,select,textarea{font-size:16px}
.searchbar,.filterbar{align-items:stretch}
.searchbar .btn,.filterbar .btn{min-width:110px}

@media (max-width:1180px){
  .topbar{padding-left:16px;padding-right:16px}
  .nav{gap:2px}
  .nav a{padding-left:7px;padding-right:7px;font-size:13px}
  .stats{grid-template-columns:repeat(3,minmax(0,1fr))}
  .quick-links{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:900px){
  .topbar{position:sticky;align-items:center;flex-wrap:wrap}
  .brand{margin-right:auto}
  .nav-toggle{display:block}
  .nav{
    display:none;flex:0 0 100%;width:100%;padding:8px 0 2px;
    flex-direction:column;align-items:stretch;gap:3px;
    border-top:1px solid rgba(255,255,255,.10)
  }
  .nav.is-open{display:flex}
  .nav a{width:100%;min-height:44px;padding:10px 12px;border-radius:9px}
  .container{width:min(100% - 24px,var(--content-max));margin-top:22px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-2{grid-template-columns:1fr}
  .section-head{gap:12px}
  .section-head>.btn,.section-head>a.btn{flex:0 0 auto}
}

@media (max-width:640px){
  .topbar{min-height:60px;padding:8px 12px}
  .brand{font-size:14px}
  .brand-mark{width:28px;height:28px}
  .container{width:calc(100% - 20px);margin:18px auto 48px}
  h1{font-size:25px;letter-spacing:-.45px}
  h2{font-size:18px}
  .section-head{display:flex;flex-direction:column;margin-bottom:15px}
  .section-head>.btn,.section-head>a.btn{width:100%}
  .card{padding:16px;border-radius:14px;margin:14px 0}
  .hero{padding:18px;border-radius:14px}
  .stats{grid-template-columns:1fr 1fr;gap:10px}
  .stat{padding:14px;border-radius:13px}
  .stat span{font-size:12px;line-height:1.35}
  .stat strong{font-size:21px}
  .quick-links{grid-template-columns:1fr}
  .quick-links .card{margin:0}
  .form-grid{grid-template-columns:1fr;gap:13px}
  .full-col{grid-column:auto}
  .searchbar,.filterbar,.quick-search-row{flex-direction:column}
  .searchbar .btn,.filterbar .btn,.quick-search-button{width:100%;min-width:0}
  .action-stack{display:grid;grid-template-columns:1fr;width:100%}
  .action-stack .btn{width:100%}
  .pagination{gap:5px}
  .pagination a{padding:8px 10px;font-size:13px}
  .details{grid-template-columns:1fr}
  .details dt{padding-top:9px}
  .details dd{padding-bottom:10px}
  .chart-card canvas{height:190px}
  .history-item{padding:12px}
  .ci-modal-card{width:100%}
}

@media (max-width:400px){
  .stats{grid-template-columns:1fr}
  .stat.financial{border-left-width:3px}
  .quick-search-input,.quick-search-button{height:50px}
  .btn{padding-left:13px;padding-right:13px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}
}


/* Quick Search v4.0 - fast, minimal, responsive */
.quick-search-input-wrap{position:relative;flex:1;min-width:0}
.quick-search-input-wrap .quick-search-input{width:100%}
.quick-search-meta{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:9px;color:#64748b;font-size:12px;line-height:1.4}
.quick-search-meta #quick-search-count{font-weight:700;color:#2563eb;white-space:nowrap}
.quick-search-loading{display:none;position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:12px;font-weight:700;color:#2563eb;background:#fff;padding-left:6px}
.quick-search-form.is-loading .quick-search-loading{display:block}
.quick-search-form.is-loading .quick-search-button{opacity:.75}
.quick-search-hint-card{border-left:3px solid #2563eb}
.quick-search-hint-card strong{display:block;margin-bottom:4px;color:#0f172a}

@media(max-width:700px){
  .quick-search-meta{align-items:flex-start;flex-direction:column;gap:4px}
  .quick-search-meta #quick-search-count{white-space:normal}
  .quick-search-loading{right:12px}
}

@media(max-width:400px){
  .quick-search-input{padding-left:14px;padding-right:14px;font-size:16px}
}