:root{
  --qsm-primary:#2B2D42;
  --qsm-accent:#EB233C;
  --qsm-bg:#eef2f7;
  --qsm-card:#ffffff;
  --qsm-text:#1f2937;
  --qsm-muted:#6b7280;
  --qsm-border:#dce3ec;
  --qsm-soft:#f7f9fc;
  --qsm-shadow:0 18px 45px rgba(31,41,55,.12);
  --qsm-radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,Helvetica,sans-serif;background:var(--qsm-bg);color:var(--qsm-text);font-size:15px;line-height:1.45}
a{color:inherit}
.qsm-shell{display:flex;min-height:100vh;background:linear-gradient(180deg,#f4f7fb 0%,#eaf0f7 100%)}
.qsm-sidebar{width:282px;background:var(--qsm-primary);color:#fff;padding:20px 16px;position:fixed;top:0;bottom:0;left:0;overflow:auto;box-shadow:18px 0 40px rgba(43,45,66,.16)}
.qsm-brand{display:flex;align-items:center;gap:13px;font-weight:900;font-size:18px;margin-bottom:24px;letter-spacing:-.02em}
.qsm-brand img{width:48px;height:48px;object-fit:contain;background:#fff;border-radius:15px;padding:6px;box-shadow:0 10px 25px rgba(0,0,0,.18)}
.qsm-menu a{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;padding:12px 13px;border-radius:14px;margin:5px 0;opacity:.88;font-weight:700;transition:.18s ease}
.qsm-menu a i{width:22px;text-align:center;color:rgba(255,255,255,.86)}
.qsm-menu a:hover,.qsm-menu a.active{background:rgba(255,255,255,.14);opacity:1;transform:translateX(2px)}
.qsm-main{margin-left:282px;width:calc(100% - 282px);padding:28px;max-width:1800px}
.qsm-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;background:rgba(255,255,255,.72);border:1px solid rgba(220,227,236,.9);border-radius:var(--qsm-radius);padding:18px 20px;box-shadow:0 12px 32px rgba(31,41,55,.07);backdrop-filter:blur(12px)}
.qsm-title h1{margin:0;font-size:28px;letter-spacing:-.035em}.qsm-title p{margin:5px 0 0;color:var(--qsm-muted)}
.qsm-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.qsm-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.qsm-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.qsm-card,.qsm-panel{background:var(--qsm-card);border-radius:var(--qsm-radius);padding:20px;box-shadow:0 12px 32px rgba(31,41,55,.08);border:1px solid var(--qsm-border)}
.qsm-panel{margin-top:18px}.qsm-stat{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.qsm-stat i{font-size:25px;color:var(--qsm-accent);background:rgba(235,35,60,.09);border-radius:16px;padding:13px}.qsm-stat strong{display:block;font-size:30px;margin-top:7px;letter-spacing:-.04em}.qsm-stat span{color:var(--qsm-muted);font-weight:700}
.qsm-form{width:100%;max-width:100%}.qsm-field{margin-bottom:16px}.qsm-field label{font-weight:800;display:block;margin-bottom:8px;color:#263242}.qsm-help{font-size:13px;color:var(--qsm-muted);margin-top:5px}.qsm-input,.qsm-select{width:100%;padding:13px 14px;border:1px solid #cfd8e3;border-radius:14px;background:#fff;font-size:15px;outline:0;transition:.16s ease}.qsm-input:focus,.qsm-select:focus{border-color:var(--qsm-accent);box-shadow:0 0 0 4px rgba(235,35,60,.12)}
.qsm-btn{border:0;border-radius:14px;padding:13px 17px;background:var(--qsm-accent);color:#fff;font-weight:900;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:9px;box-shadow:0 12px 28px rgba(235,35,60,.22);min-height:46px}.qsm-btn:hover{filter:brightness(.97);transform:translateY(-1px)}.qsm-btn.secondary{background:var(--qsm-primary);box-shadow:0 12px 28px rgba(43,45,66,.22)}.qsm-btn.ghost{background:#fff;color:var(--qsm-primary);border:1px solid var(--qsm-border);box-shadow:none}
.qsm-table{width:100%;border-collapse:collapse}.qsm-table th,.qsm-table td{padding:13px;border-bottom:1px solid #edf1f5;text-align:left}.qsm-table th{color:#455a64;font-size:12px;text-transform:uppercase;letter-spacing:.05em}
.qsm-footer{text-align:center;padding:22px;color:#78909c;font-size:13px}.qsm-loader{position:fixed;inset:0;background:rgba(255,255,255,.96);z-index:9999;display:flex;align-items:center;justify-content:center;transition:.25s}.qsm-loader img{max-width:180px;max-height:120px;object-fit:contain}.qsm-loader.hidden{opacity:0;pointer-events:none}
.qsm-driver-header{position:sticky;top:0;background:var(--qsm-primary);color:#fff;padding:14px 16px;display:flex;justify-content:space-between;align-items:center;z-index:20}.qsm-driver-main{padding:18px;max-width:1100px;margin:0 auto}.qsm-mobile-menu{display:none}
.qsm-login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:36px;background:radial-gradient(circle at top left,rgba(235,35,60,.14),transparent 32%),radial-gradient(circle at bottom right,rgba(43,45,66,.18),transparent 34%),linear-gradient(135deg,#f7f9fc 0%,#e8eef6 100%)}
.qsm-login{width:100%;max-width:520px;background:rgba(255,255,255,.92);border-radius:28px;padding:34px;box-shadow:var(--qsm-shadow);border:1px solid rgba(220,227,236,.96);backdrop-filter:blur(14px)}
.qsm-login h1{margin:0 0 8px;font-size:30px;letter-spacing:-.045em}.qsm-login-logo{text-align:center;margin-bottom:20px}.qsm-login-logo img{max-width:180px;max-height:90px;object-fit:contain}.password-row{display:flex;gap:9px}.password-row input{flex:1}
.qsm-install-page{min-height:100vh;padding:38px;background:radial-gradient(circle at 8% 8%,rgba(235,35,60,.12),transparent 28%),radial-gradient(circle at 92% 85%,rgba(43,45,66,.16),transparent 28%),linear-gradient(135deg,#f7f9fc 0%,#e8eef6 100%)}
.qsm-install-shell{width:min(1180px,100%);margin:0 auto;background:rgba(255,255,255,.9);border:1px solid rgba(220,227,236,.95);border-radius:30px;box-shadow:var(--qsm-shadow);overflow:hidden;backdrop-filter:blur(16px);display:grid;grid-template-columns:350px 1fr;min-height:680px}
.qsm-install-aside{background:var(--qsm-primary);color:#fff;padding:34px;position:relative;overflow:hidden}.qsm-install-aside:after{content:"";position:absolute;width:220px;height:220px;border-radius:50%;right:-80px;bottom:-80px;background:rgba(235,35,60,.28)}.qsm-install-aside h1{font-size:31px;line-height:1.08;margin:0 0 12px;letter-spacing:-.05em}.qsm-install-aside p{color:rgba(255,255,255,.76);margin:0 0 22px}.qsm-version-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);padding:9px 12px;border-radius:999px;font-weight:800;margin-bottom:26px}.qsm-install-brandmark{width:60px;height:60px;border-radius:18px;background:#fff;color:var(--qsm-primary);display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:950;margin-bottom:20px;box-shadow:0 16px 35px rgba(0,0,0,.18)}
.qsm-requirements{display:grid;gap:10px;margin-top:24px}.qsm-req{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:14px;background:rgba(255,255,255,.1);font-weight:750}.qsm-req i{width:23px;height:23px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px}.qsm-req.ok i{background:#18a058}.qsm-req.bad i{background:#c92a2a}.qsm-install-content{padding:34px 38px}.qsm-install-content h2{font-size:25px;margin:0 0 6px;letter-spacing:-.035em}.qsm-install-content>p{margin:0 0 24px;color:var(--qsm-muted)}.qsm-section-title{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:900;text-transform:uppercase;letter-spacing:.06em;color:#4b5563;margin:24px 0 14px}.qsm-section-title:after{content:"";height:1px;background:var(--qsm-border);flex:1}.qsm-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 18px}.qsm-form-grid .full{grid-column:1/-1}.qsm-install-actions{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-top:24px;padding-top:22px;border-top:1px solid var(--qsm-border)}.qsm-alert{border-radius:18px;padding:15px 16px;margin-bottom:20px;font-weight:750}.qsm-alert.error{background:#fff1f2;color:#9f1239;border:1px solid #fecdd3}.qsm-alert.success{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}
@media(max-width:1050px){.qsm-install-shell{grid-template-columns:1fr}.qsm-install-aside{padding:28px}.qsm-requirements{grid-template-columns:repeat(2,minmax(0,1fr))}.qsm-main{padding:20px}.qsm-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){.qsm-sidebar{transform:translateX(-100%)}.qsm-main{margin-left:0;width:100%;padding:16px}.qsm-mobile-menu{display:inline-flex}.qsm-topbar{align-items:flex-start;gap:12px}}
@media(max-width:650px){.qsm-install-page{padding:16px}.qsm-install-content{padding:24px 18px}.qsm-form-grid{grid-template-columns:1fr}.qsm-requirements{grid-template-columns:1fr}.qsm-install-actions{display:block}.qsm-install-actions .qsm-btn{width:100%;margin-top:14px}.qsm-grid,.qsm-grid.two,.qsm-grid.three{grid-template-columns:1fr}.qsm-topbar{display:block}.qsm-card,.qsm-panel{padding:16px}.qsm-login{padding:24px;border-radius:22px}}


/* v1.0.3 logo system and AJAX global search */
.qsm-logo-box{display:flex;align-items:center;justify-content:center;border-radius:18px;padding:14px;overflow:hidden;max-width:100%}
.qsm-logo-box.on-dark{background:#2B2D42}.qsm-logo-box.on-light{background:#fff;border:1px solid var(--qsm-border)}
.qsm-logo-box img{display:block;width:auto;height:auto;max-width:100%;max-height:92px;object-fit:contain}
.qsm-logo-box.install-logo{width:100%;min-height:96px;margin-bottom:22px;box-shadow:0 16px 35px rgba(0,0,0,.18)}
.qsm-logo-box.install-logo img{max-width:280px;max-height:82px}
.qsm-logo-box.search-logo{width:230px;min-height:68px;border-radius:15px;padding:10px}.qsm-logo-box.search-logo img{max-height:54px}
.qsm-default-logo-preview{display:flex;align-items:center;gap:14px;margin-top:12px;padding:12px;border:1px solid var(--qsm-border);border-radius:18px;background:var(--qsm-soft);color:var(--qsm-muted);font-weight:700}.qsm-default-logo-preview .qsm-logo-box{width:190px;min-height:62px;flex:0 0 190px;padding:8px}.qsm-default-logo-preview .qsm-logo-box img{max-height:44px}
.qsm-brand img{width:auto;height:auto;max-width:170px;max-height:54px;object-fit:contain;background:#2B2D42;border-radius:14px;padding:7px;box-shadow:0 10px 25px rgba(0,0,0,.18)}
.qsm-loader{background:rgba(43,45,66,.96)}.qsm-loader-logo{background:#2B2D42;border-radius:24px;padding:18px;box-shadow:0 24px 60px rgba(0,0,0,.28)}.qsm-loader img{max-width:260px;max-height:110px;width:auto;height:auto;object-fit:contain}
.qsm-global-search-toggle{position:fixed;right:22px;bottom:22px;z-index:1000;border:0;background:var(--qsm-primary);color:#fff;border-radius:18px;padding:13px 16px;display:flex;align-items:center;gap:9px;font-weight:900;box-shadow:0 16px 38px rgba(43,45,66,.26);cursor:pointer}.qsm-global-search-toggle:hover{transform:translateY(-1px);filter:brightness(1.04)}
.qsm-search-modal{position:fixed;inset:0;z-index:1200;display:none}.qsm-search-modal.open{display:block}.qsm-search-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.58);backdrop-filter:blur(7px)}.qsm-search-box{position:relative;width:min(920px,calc(100% - 28px));max-height:calc(100vh - 44px);margin:22px auto;background:#fff;border-radius:28px;box-shadow:0 28px 90px rgba(0,0,0,.32);border:1px solid rgba(255,255,255,.4);overflow:hidden;display:flex;flex-direction:column}.qsm-search-head{background:var(--qsm-primary);padding:16px 18px;display:flex;align-items:center;justify-content:space-between}.qsm-search-close{width:44px;height:44px;border:0;border-radius:14px;background:rgba(255,255,255,.13);color:#fff;cursor:pointer;font-size:18px}.qsm-search-input-wrap{margin:18px;display:flex;align-items:center;gap:12px;border:1px solid #cfd8e3;border-radius:18px;background:#f8fafc;padding:0 14px}.qsm-search-input-wrap i{color:var(--qsm-muted)}.qsm-search-input-wrap input{width:100%;border:0;background:transparent;outline:0;font-size:18px;padding:17px 0}.qsm-search-meta{padding:0 20px 12px;color:var(--qsm-muted);font-weight:700}.qsm-search-results{overflow:auto;padding:0 18px 18px;display:grid;gap:11px}.qsm-search-result{display:block;text-decoration:none;border:1px solid var(--qsm-border);border-radius:18px;padding:14px 15px;background:#fff;transition:.16s ease}.qsm-search-result:hover{border-color:var(--qsm-accent);box-shadow:0 12px 28px rgba(31,41,55,.08);transform:translateY(-1px)}.qsm-search-result-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.qsm-search-result-title{font-weight:950;font-size:16px;color:#1f2937}.qsm-search-result-type{font-size:12px;text-transform:uppercase;letter-spacing:.06em;border-radius:999px;padding:5px 9px;background:#f1f5f9;color:#475569;font-weight:900;white-space:nowrap}.qsm-search-result-text{margin-top:6px;color:#475569}.qsm-search-result mark{background:rgba(235,35,60,.16);color:#9f1239;border-radius:5px;padding:0 3px;font-weight:900}.qsm-search-empty{padding:24px;border:1px dashed var(--qsm-border);border-radius:18px;color:var(--qsm-muted);font-weight:800;text-align:center;background:#f8fafc}
@media(max-width:650px){.qsm-global-search-toggle span{display:none}.qsm-global-search-toggle{right:14px;bottom:14px;width:54px;height:54px;border-radius:18px;justify-content:center;padding:0}.qsm-search-box{margin:8px auto;width:calc(100% - 16px);max-height:calc(100vh - 16px);border-radius:22px}.qsm-search-head{padding:12px}.qsm-logo-box.search-logo{width:190px}.qsm-search-input-wrap{margin:14px}.qsm-search-input-wrap input{font-size:16px}.qsm-default-logo-preview{display:block}.qsm-default-logo-preview .qsm-logo-box{width:100%;margin-bottom:10px}}

/* v1.0.4 installer lock and logo hardening */
.qsm-lock-body{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:28px;background:#eef2f7}
.qsm-lock-card{width:min(620px,100%);background:#fff;border:1px solid var(--qsm-border);border-radius:28px;padding:30px;box-shadow:var(--qsm-shadow);text-align:center}
.qsm-lock-card .qsm-logo-box{margin:0 auto 18px;max-width:360px;min-height:92px}
.qsm-lock-card h1{margin:0 0 10px;font-size:30px;letter-spacing:-.04em}
.qsm-lock-card p{color:var(--qsm-muted);margin:0 0 20px}