:root{--upbs-blue:#2563eb;--upbs-purple:#7c3aed;--upbs-slate:#0f172a;--upbs-muted:#64748b;--upbs-line:#e2e8f0;--upbs-bg:#f8fafc;--upbs-soft:#eff6ff;--upbs-green:#16a34a;--upbs-card-media-h:132px}.upbs-premium,.upbs-premium *{box-sizing:border-box}.upbs-premium{font-family:Inter,Arial,sans-serif;color:var(--upbs-slate);width:100%;max-width:1180px;margin:26px auto;padding:0 14px}.upbs-hero-front,.upbs-list-hero,.upbs-request-wrap{position:relative;overflow:hidden;background:linear-gradient(135deg,#0f172a,#2563eb 58%,#7c3aed);color:#fff;border-radius:30px;padding:34px;box-shadow:0 24px 70px rgba(37,99,235,.24)}.upbs-hero-front:before,.upbs-list-hero:before,.upbs-request-wrap:before{content:"";position:absolute;right:-70px;top:-70px;width:230px;height:230px;border-radius:50%;background:rgba(255,255,255,.14)}.upbs-pill{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.25);padding:8px 13px;border-radius:999px;font-weight:800;font-size:13px;backdrop-filter:blur(8px)}.upbs-hero-front h2,.upbs-list-hero h2,.upbs-request-info h2{font-size:clamp(28px,4vw,46px);line-height:1.1;margin:15px 0 10px;color:#fff}.upbs-hero-front p,.upbs-list-hero p,.upbs-request-info p{max-width:720px;font-size:16px;line-height:1.7;color:#e0e7ff;margin:0}.upbs-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.upbs-hero-btn{display:inline-flex;padding:12px 18px;border-radius:14px;background:#fff;color:#1d4ed8;text-decoration:none;font-weight:900}.upbs-hero-btn.ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.28)}.upbs-section-head{display:flex;justify-content:space-between;gap:15px;align-items:end;margin:28px 2px 14px}.upbs-section-head h3{font-size:25px;margin:0;color:var(--upbs-slate)}.upbs-section-head p{margin:0;color:var(--upbs-muted)}.upbs-class-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:15px}.upbs-class-tile,.upbs-stream-card{position:relative;overflow:hidden;text-decoration:none;background:#fff;border:1px solid var(--upbs-line);border-radius:22px;padding:18px;box-shadow:0 16px 36px rgba(15,23,42,.08);transition:.25s}.upbs-class-tile:hover,.upbs-stream-card:hover,.upbs-card:hover{transform:translateY(-6px);box-shadow:0 22px 48px rgba(37,99,235,.16);border-color:#bfdbfe}.upbs-class-tile span{color:var(--upbs-muted);font-weight:800}.upbs-class-tile strong{display:block;font-size:38px;color:var(--upbs-blue);line-height:1}.upbs-class-tile em{display:block;margin-top:12px;color:var(--upbs-slate);font-style:normal;font-weight:900}.upbs-streams{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.upbs-stream-card span{font-size:34px}.upbs-stream-card b{display:block;margin-top:8px;color:var(--upbs-slate);font-size:18px}.upbs-stream-card small{color:var(--upbs-muted);font-weight:800}.upbs-filter{display:grid;grid-template-columns:2fr 1fr 1fr 1fr auto;gap:12px;margin:18px 0 22px;padding:16px;background:#fff;border:1px solid var(--upbs-line);border-radius:22px;box-shadow:0 14px 34px rgba(15,23,42,.08);position:sticky;top:8px;z-index:5}.upbs-filter input,.upbs-request input,.upbs-request textarea{width:100%;border:1px solid var(--upbs-line);background:#f8fafc;border-radius:14px;padding:13px 14px;outline:none;font-size:15px}.upbs-filter input:focus,.upbs-request input:focus,.upbs-request textarea:focus{border-color:#93c5fd;box-shadow:0 0 0 4px rgba(37,99,235,.12);background:#fff}.upbs-filter button,.upbs-request button,.btn,.upbs-rate{border:0;border-radius:14px;padding:12px 15px;font-weight:900;cursor:pointer;text-decoration:none;text-align:center;transition:.25s}.upbs-filter button,.upbs-request button,.btn.primary{background:linear-gradient(135deg,var(--upbs-blue),var(--upbs-purple));color:#fff}.upbs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.upbs-card{background:#fff;border:1px solid var(--upbs-line);border-radius:26px;overflow:hidden;box-shadow:0 16px 38px rgba(15,23,42,.08);transition:.25s}.upbs-card-media{height:var(--upbs-card-media-h);position:relative;background:linear-gradient(135deg,#dbeafe,#f5d0fe);padding:14px}.upbs-card-media img{width:100%;height:100%;object-fit:cover;border-radius:18px}.upbs-cover{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px dashed rgba(37,99,235,.35);border-radius:18px}.upbs-cover span{font-size:40px}.upbs-cover small{font-weight:900;color:#1d4ed8;font-size:12px}.upbs-badge{position:absolute;left:20px;top:18px;background:#fff;color:#1d4ed8;border-radius:999px;padding:7px 12px;font-weight:900;box-shadow:0 10px 24px rgba(15,23,42,.12)}.upbs-card-body{padding:18px}.upbs-card h3{margin:0 0 10px;font-size:18px;line-height:1.3;color:var(--upbs-slate)}.upbs-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.upbs-meta span{background:var(--upbs-bg);border:1px solid var(--upbs-line);border-radius:999px;padding:6px 9px;color:var(--upbs-muted);font-size:12px;font-weight:800}.upbs-card p{min-height:24px;color:var(--upbs-muted);line-height:1.6;margin:0 0 14px}.upbs-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.btn{background:#eef2ff;color:#1d4ed8}.upbs-no-pdf{display:block;grid-column:1/-1;background:#fee2e2;color:#991b1b;border-radius:14px;padding:12px;text-align:center;font-weight:900}.upbs-rate{width:100%;margin-top:10px;background:#fef3c7;color:#92400e}.upbs-empty{grid-column:1/-1;background:#fff;border:1px dashed #93c5fd;border-radius:22px;padding:28px;text-align:center;box-shadow:0 12px 28px rgba(15,23,42,.06)}.upbs-empty b{display:block;font-size:20px}.upbs-empty span{display:block;color:var(--upbs-muted);margin-top:7px}.upbs-request-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:26px;align-items:center}.upbs-request{display:grid;gap:12px;background:#fff;color:var(--upbs-slate);padding:20px;border-radius:22px;box-shadow:0 18px 40px rgba(15,23,42,.12)}.upbs-request-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.upbs-request textarea{min-height:120px;resize:vertical}.upbs-msg{margin:0;font-weight:900;color:var(--upbs-green)}@media(max-width:1024px){.upbs-class-grid{grid-template-columns:repeat(4,1fr)}.upbs-grid{grid-template-columns:repeat(2,1fr)}.upbs-filter{grid-template-columns:1fr 1fr}.upbs-filter button{grid-column:1/-1}.upbs-request-wrap{grid-template-columns:1fr}}@media(max-width:700px){:root{--upbs-card-media-h:118px}.upbs-premium{margin:18px auto;padding:0 10px}.upbs-hero-front,.upbs-list-hero,.upbs-request-wrap{border-radius:22px;padding:24px 18px}.upbs-class-grid,.upbs-streams,.upbs-grid,.upbs-filter,.upbs-request-row{grid-template-columns:1fr}.upbs-section-head{display:block}.upbs-actions{grid-template-columns:1fr}.upbs-card-media{height:var(--upbs-card-media-h)}.upbs-hero-front h2,.upbs-list-hero h2,.upbs-request-info h2{font-size:28px}}

/* UPBS v8.2.1: small front-end diagram/cover size + safer layout */
.upbs-card-media{min-height:110px;max-height:142px}
.upbs-card-media img{object-fit:contain;background:#fff}
.upbs-cover{min-height:100%;padding:8px}
.upbs-actions a{display:flex;align-items:center;justify-content:center}
.upbs-request button[disabled],.upbs-rate[disabled]{opacity:.7;cursor:not-allowed}
@media(max-width:700px){.upbs-card-media{max-height:124px}.upbs-cover span{font-size:34px}}

/* UPBS v8.2.2: dashboard links, smaller diagram/card image, grid + horizontal view */
:root{--upbs-card-media-h:96px}
.upbs-filter{grid-template-columns:1.7fr .75fr .9fr .9fr .9fr auto}
.upbs-view-toggle{display:flex;justify-content:flex-end;gap:10px;margin:-6px 0 16px;flex-wrap:wrap}
.upbs-view-toggle button{border:1px solid var(--upbs-line);background:#fff;color:var(--upbs-slate);font-weight:900;border-radius:999px;padding:10px 14px;cursor:pointer;box-shadow:0 10px 24px rgba(15,23,42,.07)}
.upbs-view-toggle button.active{background:linear-gradient(135deg,var(--upbs-blue),var(--upbs-purple));color:#fff;border-color:transparent}
.upbs-card-media{height:96px!important;min-height:86px!important;max-height:105px!important;padding:10px!important}
.upbs-cover span{font-size:28px!important}.upbs-cover small{font-size:11px!important}.upbs-badge{top:12px;left:14px;font-size:12px;padding:6px 10px}
.upbs-grid[data-upbs-view="list"]{grid-template-columns:1fr!important}
.upbs-grid[data-upbs-view="list"] .upbs-card{display:grid;grid-template-columns:170px 1fr;align-items:stretch}
.upbs-grid[data-upbs-view="list"] .upbs-card-media{height:100%!important;min-height:150px!important;max-height:none!important;border-radius:0}
.upbs-grid[data-upbs-view="list"] .upbs-card-body{padding:18px 20px}
.upbs-grid[data-upbs-view="list"] .upbs-card h3{font-size:20px}
@media(max-width:1024px){.upbs-filter{grid-template-columns:1fr 1fr}.upbs-filter button{grid-column:1/-1}}
@media(max-width:700px){:root{--upbs-card-media-h:82px}.upbs-card-media{height:82px!important;min-height:76px!important;max-height:90px!important}.upbs-grid[data-upbs-view="list"] .upbs-card{display:block}.upbs-grid[data-upbs-view="list"] .upbs-card-media{height:92px!important;min-height:92px!important;max-height:92px!important}.upbs-view-toggle{justify-content:center}.upbs-view-toggle button{flex:1}}

/* UPBS v8.3.0 admin-controlled card sizes */
.upbs-card-size-small .upbs-card-media{height:92px!important;min-height:82px!important;max-height:100px!important}
.upbs-card-size-medium .upbs-card-media{height:135px!important;min-height:120px!important;max-height:150px!important}
.upbs-card-size-large .upbs-card-media{height:190px!important;min-height:170px!important;max-height:210px!important}
.upbs-card-size-small .upbs-cover span{font-size:26px!important}
.upbs-card-size-medium .upbs-cover span{font-size:38px!important}
.upbs-card-size-large .upbs-cover span{font-size:52px!important}
@media(max-width:700px){.upbs-card-size-medium .upbs-card-media{height:112px!important}.upbs-card-size-large .upbs-card-media{height:140px!important}}

/* =========================================================
   UPBS v8.3.1 Premium Frontend Refresh
   Better compact cards, glass hero, clean dashboard tiles,
   responsive grid + horizontal list view.
   ========================================================= */
.upbs-premium{
  --upbs-slate:#0f172a;
  --upbs-muted:#64748b;
  --upbs-line:rgba(148,163,184,.28);
  --upbs-bg:#f8fafc;
  --upbs-soft:#eef6ff;
  --upbs-green:#16a34a;
  max-width:1180px!important;
  margin:24px auto!important;
  padding:0 14px!important;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif!important;
}
.upbs-dashboard,.upbs-books,.upbs-request-wrap{color:var(--upbs-slate)}
.upbs-hero-front,.upbs-list-hero,.upbs-request-wrap{
  position:relative!important;overflow:hidden!important;
  border:1px solid rgba(255,255,255,.34)!important;
  background:
    radial-gradient(circle at 8% 18%,rgba(255,255,255,.25),transparent 26%),
    radial-gradient(circle at 88% 10%,rgba(251,191,36,.26),transparent 24%),
    linear-gradient(135deg,var(--upbs-blue),var(--upbs-purple))!important;
  border-radius:30px!important;
  padding:34px 30px!important;
  box-shadow:0 26px 70px rgba(37,99,235,.22), inset 0 1px 0 rgba(255,255,255,.28)!important;
}
.upbs-hero-front:after,.upbs-list-hero:after,.upbs-request-wrap:after{
  content:"";position:absolute;right:-70px;bottom:-85px;width:230px;height:230px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);pointer-events:none;
}
.upbs-pill{
  display:inline-flex!important;align-items:center!important;gap:7px!important;
  padding:8px 13px!important;border-radius:999px!important;
  background:rgba(255,255,255,.18)!important;color:#fff!important;
  border:1px solid rgba(255,255,255,.24)!important;font-size:12px!important;
  font-weight:900!important;letter-spacing:.3px!important;text-transform:uppercase!important;
  backdrop-filter:blur(10px)!important;
}
.upbs-hero-front h2,.upbs-list-hero h2,.upbs-request-info h2{
  color:#fff!important;font-size:clamp(28px,4vw,48px)!important;line-height:1.08!important;margin:14px 0 12px!important;
  letter-spacing:-.04em!important;font-weight:950!important;
}
.upbs-hero-front p,.upbs-list-hero p,.upbs-request-info p{color:rgba(255,255,255,.84)!important;font-weight:600!important;max-width:760px!important}
.upbs-hero-actions{gap:10px!important;margin-top:20px!important}
.upbs-hero-btn{
  border-radius:999px!important;padding:12px 18px!important;box-shadow:0 14px 34px rgba(15,23,42,.16)!important;
  transition:.22s ease!important;align-items:center!important;gap:8px!important;
}
.upbs-hero-btn:hover{transform:translateY(-2px)!important}
.upbs-section-head{margin:30px 2px 14px!important;align-items:center!important}
.upbs-section-head h3{font-size:clamp(22px,2.5vw,30px)!important;letter-spacing:-.03em!important;font-weight:950!important}
.upbs-section-head p{font-weight:700!important}
.upbs-class-grid{grid-template-columns:repeat(6,minmax(0,1fr))!important;gap:14px!important}
.upbs-class-tile,.upbs-stream-card{
  border-radius:22px!important;background:linear-gradient(180deg,#fff,#f8fbff)!important;
  border:1px solid rgba(148,163,184,.24)!important;padding:18px 16px!important;
  box-shadow:0 16px 40px rgba(15,23,42,.07)!important;isolation:isolate!important;
}
.upbs-class-tile:before,.upbs-stream-card:before{
  content:"";position:absolute;inset:auto -28px -35px auto;width:92px;height:92px;border-radius:999px;
  background:linear-gradient(135deg,rgba(37,99,235,.14),rgba(124,58,237,.12));z-index:-1;
}
.upbs-class-tile span{font-size:12px!important;text-transform:uppercase!important;letter-spacing:.08em!important;color:var(--upbs-muted)!important}
.upbs-class-tile strong{font-size:38px!important;color:var(--upbs-blue)!important;font-weight:950!important}
.upbs-class-tile em{margin-top:8px!important;font-size:13px!important;color:#334155!important}
.upbs-streams{grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:14px!important}
.upbs-stream-card span{font-size:26px!important}.upbs-stream-card b{font-size:16px!important}.upbs-stream-card small{font-size:12px!important}
.upbs-filter{
  position:relative!important;top:auto!important;z-index:4!important;
  grid-template-columns:1.7fr .7fr .85fr .9fr .85fr auto!important;gap:10px!important;
  padding:12px!important;border-radius:22px!important;background:rgba(255,255,255,.86)!important;
  border:1px solid rgba(148,163,184,.28)!important;box-shadow:0 18px 46px rgba(15,23,42,.09)!important;
  backdrop-filter:blur(14px)!important;
}
.upbs-filter input,.upbs-request input,.upbs-request textarea{
  border-radius:16px!important;background:#fff!important;border:1px solid rgba(148,163,184,.28)!important;
  min-height:45px!important;padding:12px 14px!important;font-weight:700!important;color:#0f172a!important;
}
.upbs-filter button,.upbs-request button,.btn.primary{
  background:linear-gradient(135deg,var(--upbs-blue),var(--upbs-purple))!important;color:#fff!important;
  box-shadow:0 12px 26px rgba(37,99,235,.24)!important;
}
.upbs-view-toggle{margin:4px 0 16px!important;gap:9px!important}
.upbs-view-toggle button{padding:9px 13px!important;border-radius:999px!important;background:#fff!important;border-color:rgba(148,163,184,.28)!important}
.upbs-view-toggle button.active{background:#0f172a!important;color:#fff!important}
.upbs-grid{grid-template-columns:repeat(4,minmax(0,1fr))!important;gap:14px!important;align-items:stretch!important}
.upbs-card{
  position:relative!important;border-radius:22px!important;background:#fff!important;
  border:1px solid rgba(148,163,184,.24)!important;box-shadow:0 16px 42px rgba(15,23,42,.08)!important;
  overflow:hidden!important;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease!important;
}
.upbs-card:hover{transform:translateY(-5px)!important;box-shadow:0 24px 58px rgba(37,99,235,.16)!important;border-color:rgba(37,99,235,.34)!important}
.upbs-card-media{
  background:linear-gradient(135deg,#eff6ff,#faf5ff)!important;border-bottom:1px solid rgba(148,163,184,.16)!important;
  padding:12px!important;height:100px!important;min-height:92px!important;max-height:112px!important;
}
.upbs-card-media img{border-radius:15px!important;object-fit:contain!important;background:#fff!important;box-shadow:inset 0 0 0 1px rgba(148,163,184,.18)!important}
.upbs-cover{border-radius:15px!important;background:rgba(255,255,255,.72)!important;border:1px dashed rgba(37,99,235,.26)!important}
.upbs-badge{top:10px!important;left:10px!important;border-radius:999px!important;font-size:11px!important;padding:5px 9px!important;color:var(--upbs-blue)!important}
.upbs-card-body{padding:14px!important}.upbs-card h3{font-size:15.5px!important;line-height:1.35!important;margin-bottom:9px!important;font-weight:950!important;letter-spacing:-.02em!important;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:42px!important}
.upbs-meta{gap:6px!important;margin-bottom:10px!important}.upbs-meta span{font-size:11px!important;padding:5px 8px!important;background:#f8fafc!important;border-color:rgba(148,163,184,.22)!important;color:#475569!important}
.upbs-card p{font-size:12.5px!important;line-height:1.45!important;margin-bottom:12px!important;min-height:18px!important;color:#64748b!important;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.upbs-actions{gap:8px!important}.btn,.upbs-rate,.upbs-filter button,.upbs-request button{border-radius:14px!important;font-size:13px!important;padding:11px 12px!important}
.btn{background:#eef4ff!important;color:#1d4ed8!important;font-weight:950!important}.btn:hover,.upbs-rate:hover{filter:brightness(.98);transform:translateY(-1px)!important}
.upbs-rate{background:#fff7ed!important;color:#9a3412!important;border:1px solid #fed7aa!important;margin-top:9px!important;width:100%!important}
.upbs-no-pdf{font-size:13px!important;border-radius:14px!important;background:#fff1f2!important;color:#be123c!important;border:1px solid #fecdd3!important}
.upbs-empty{border-radius:22px!important;background:linear-gradient(180deg,#fff,#f8fbff)!important;padding:30px!important}
.upbs-grid[data-upbs-view="list"]{grid-template-columns:1fr!important;gap:12px!important}
.upbs-grid[data-upbs-view="list"] .upbs-card{display:grid!important;grid-template-columns:150px 1fr!important;border-radius:20px!important}
.upbs-grid[data-upbs-view="list"] .upbs-card-media{height:100%!important;min-height:145px!important;max-height:none!important}
.upbs-grid[data-upbs-view="list"] .upbs-card h3{font-size:18px!important;min-height:auto!important;-webkit-line-clamp:1!important}
.upbs-grid[data-upbs-view="list"] .upbs-actions{grid-template-columns:140px 150px!important;justify-content:start!important}
.upbs-request{border-radius:22px!important;background:rgba(255,255,255,.96)!important;box-shadow:0 22px 50px rgba(15,23,42,.16)!important}
@media(max-width:1100px){.upbs-grid{grid-template-columns:repeat(3,minmax(0,1fr))!important}.upbs-class-grid{grid-template-columns:repeat(4,minmax(0,1fr))!important}.upbs-filter{grid-template-columns:1fr 1fr 1fr!important}.upbs-filter button{grid-column:auto!important}}
@media(max-width:780px){.upbs-premium{padding:0 10px!important;margin:18px auto!important}.upbs-hero-front,.upbs-list-hero,.upbs-request-wrap{border-radius:24px!important;padding:25px 18px!important}.upbs-class-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}.upbs-streams,.upbs-filter,.upbs-request-row{grid-template-columns:1fr!important}.upbs-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:12px!important}.upbs-card-media{height:88px!important;min-height:82px!important;max-height:96px!important}.upbs-filter button{grid-column:1/-1!important}.upbs-grid[data-upbs-view="list"] .upbs-card{display:block!important}.upbs-grid[data-upbs-view="list"] .upbs-card-media{height:92px!important;min-height:92px!important;max-height:96px!important}.upbs-grid[data-upbs-view="list"] .upbs-actions{grid-template-columns:1fr!important}.upbs-view-toggle button{flex:1!important}}
@media(max-width:480px){.upbs-grid{grid-template-columns:1fr!important}.upbs-class-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}.upbs-class-tile strong{font-size:32px!important}.upbs-card h3{min-height:auto!important}.upbs-actions{grid-template-columns:1fr 1fr!important}.upbs-card-body{padding:13px!important}.upbs-filter{padding:10px!important}.upbs-hero-front h2,.upbs-list-hero h2,.upbs-request-info h2{font-size:27px!important}}

/* =========================================================
   UPBS v8.3.2 Ultra Premium Frontend Design
   Safe CSS-only upgrade: counters, downloads and PHP logic unchanged
   ========================================================= */
.upbs-premium{
  --upbs-bg2:#eef4ff;
  --upbs-glass:rgba(255,255,255,.82);
  --upbs-dark:#07111f;
  --upbs-gold:#f59e0b;
  max-width:1220px!important;
  padding:0 16px!important;
}
.upbs-dashboard,.upbs-books{position:relative;isolation:isolate}
.upbs-dashboard:before,.upbs-books:before{
  content:"";position:absolute;z-index:-1;inset:-18px -8px auto -8px;height:420px;border-radius:38px;
  background:
    radial-gradient(circle at 15% 12%,rgba(124,58,237,.18),transparent 28%),
    radial-gradient(circle at 88% 4%,rgba(37,99,235,.20),transparent 30%),
    linear-gradient(180deg,#f8fbff,transparent);
  pointer-events:none;
}
.upbs-hero-front,.upbs-list-hero,.upbs-request-wrap{
  border-radius:34px!important;padding:42px!important;
  background:
    radial-gradient(circle at 88% 12%,rgba(255,255,255,.25),transparent 18%),
    radial-gradient(circle at 10% 85%,rgba(245,158,11,.18),transparent 22%),
    linear-gradient(135deg,#07111f 0%,#172554 38%,var(--upbs-blue) 70%,var(--upbs-purple) 100%)!important;
  border:1px solid rgba(255,255,255,.20)!important;
  box-shadow:0 30px 90px rgba(15,23,42,.30), inset 0 1px 0 rgba(255,255,255,.22)!important;
}
.upbs-hero-front:after,.upbs-list-hero:after,.upbs-request-wrap:after{
  content:"";position:absolute;right:28px;bottom:22px;width:190px;height:92px;opacity:.22;
  background-image:linear-gradient(rgba(255,255,255,.55) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:18px 18px;transform:rotate(-8deg);border-radius:18px;pointer-events:none;
}
.upbs-pill{
  background:rgba(255,255,255,.18)!important;border:1px solid rgba(255,255,255,.34)!important;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.24),0 14px 30px rgba(0,0,0,.14)!important;
  letter-spacing:.2px;text-transform:uppercase;font-size:12px!important;
}
.upbs-hero-front h2,.upbs-list-hero h2,.upbs-request-info h2{
  font-size:clamp(31px,4.8vw,58px)!important;letter-spacing:-1.7px!important;
  text-shadow:0 16px 34px rgba(0,0,0,.24);max-width:850px;
}
.upbs-hero-front p,.upbs-list-hero p,.upbs-request-info p{font-size:17px!important;color:#edf4ff!important;max-width:780px!important}
.upbs-hero-btn{
  border-radius:999px!important;padding:13px 22px!important;box-shadow:0 16px 35px rgba(0,0,0,.16)!important;
  transition:.25s ease!important;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.34)!important;
}
.upbs-hero-btn:hover{transform:translateY(-3px);filter:saturate(1.12)}
.upbs-section-head{margin:34px 4px 16px!important;align-items:center!important}
.upbs-section-head h3{font-size:28px!important;letter-spacing:-.6px;position:relative;padding-left:16px}
.upbs-section-head h3:before{content:"";position:absolute;left:0;top:5px;width:6px;height:28px;border-radius:99px;background:linear-gradient(var(--upbs-blue),var(--upbs-purple))}
.upbs-section-head p{font-size:14px;font-weight:700;color:#64748b!important}
.upbs-class-grid{grid-template-columns:repeat(6,minmax(0,1fr))!important;gap:16px!important}
.upbs-class-tile,.upbs-stream-card,.upbs-card,.upbs-filter,.upbs-request{
  background:linear-gradient(180deg,rgba(255,255,255,.95),rgba(255,255,255,.82))!important;
  border:1px solid rgba(148,163,184,.28)!important;
  box-shadow:0 18px 42px rgba(15,23,42,.08), inset 0 1px 0 rgba(255,255,255,.8)!important;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.upbs-class-tile{
  min-height:138px;border-radius:26px!important;padding:18px!important;isolation:isolate;
}
.upbs-class-tile:before,.upbs-stream-card:before,.upbs-card:before{
  content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;transition:.25s;
  background:linear-gradient(135deg,rgba(37,99,235,.10),rgba(124,58,237,.10),rgba(245,158,11,.08));pointer-events:none;
}
.upbs-class-tile:after{
  content:"→";position:absolute;right:15px;top:13px;width:31px;height:31px;border-radius:50%;display:grid;place-items:center;
  background:#eff6ff;color:var(--upbs-blue);font-weight:1000;box-shadow:0 10px 25px rgba(37,99,235,.12);
}
.upbs-class-tile:hover:before,.upbs-stream-card:hover:before,.upbs-card:hover:before{opacity:1}
.upbs-class-tile:hover,.upbs-stream-card:hover,.upbs-card:hover{transform:translateY(-8px) scale(1.01)!important;box-shadow:0 28px 65px rgba(37,99,235,.18)!important;border-color:rgba(37,99,235,.30)!important}
.upbs-class-tile span{font-size:12px;text-transform:uppercase;letter-spacing:.7px;color:#64748b!important}
.upbs-class-tile strong{font-size:46px!important;background:linear-gradient(135deg,var(--upbs-blue),var(--upbs-purple));-webkit-background-clip:text;background-clip:text;color:transparent!important;letter-spacing:-2px}
.upbs-class-tile em{font-size:13px;color:#334155!important;background:#f8fafc;border:1px solid #e2e8f0;border-radius:999px;padding:7px 10px;display:inline-flex!important}
.upbs-streams{grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:18px!important}
.upbs-stream-card{border-radius:28px!important;padding:22px!important;min-height:132px}
.upbs-stream-card span{width:56px;height:56px;display:grid;place-items:center;border-radius:20px;background:linear-gradient(135deg,#eff6ff,#faf5ff);box-shadow:inset 0 1px 0 #fff;font-size:30px!important}
.upbs-stream-card b{font-size:18px!important;letter-spacing:-.25px}.upbs-stream-card small{font-size:13px;color:#64748b!important}
.upbs-filter{
  border-radius:28px!important;padding:18px!important;gap:12px!important;top:12px!important;
  box-shadow:0 20px 50px rgba(15,23,42,.10)!important;
}
.upbs-filter input,.upbs-request input,.upbs-request textarea{
  background:#fff!important;border:1px solid #dbe4f0!important;border-radius:17px!important;padding:14px 15px!important;
  font-weight:700;color:#0f172a;box-shadow:inset 0 1px 0 rgba(255,255,255,.95);
}
.upbs-filter button,.upbs-request button,.btn.primary{
  background:linear-gradient(135deg,var(--upbs-blue),var(--upbs-purple))!important;box-shadow:0 16px 32px rgba(37,99,235,.22)!important;
}
.upbs-filter button:hover,.upbs-request button:hover,.btn.primary:hover{transform:translateY(-2px);box-shadow:0 20px 45px rgba(37,99,235,.28)!important}
.upbs-view-toggle{margin:2px 0 18px!important}
.upbs-view-toggle button{
  border-radius:999px!important;padding:11px 16px!important;background:rgba(255,255,255,.86)!important;border:1px solid rgba(148,163,184,.30)!important;
  box-shadow:0 14px 32px rgba(15,23,42,.08)!important;transition:.2s!important;
}
.upbs-view-toggle button:hover{transform:translateY(-2px)}
.upbs-view-toggle button.active{background:linear-gradient(135deg,var(--upbs-blue),var(--upbs-purple))!important;color:#fff!important;box-shadow:0 18px 38px rgba(37,99,235,.24)!important}
.upbs-grid{gap:22px!important}
.upbs-card{position:relative;border-radius:30px!important;overflow:hidden!important}
.upbs-card-media{
  background:linear-gradient(135deg,#eef6ff 0%,#f5f3ff 55%,#fff7ed 100%)!important;
  border-bottom:1px solid rgba(148,163,184,.20);position:relative;
}
.upbs-card-media:after{content:"";position:absolute;inset:10px;border-radius:20px;border:1px solid rgba(255,255,255,.72);pointer-events:none}
.upbs-card-media img{border-radius:18px!important;box-shadow:0 12px 26px rgba(15,23,42,.10);background:#fff!important}
.upbs-cover{background:rgba(255,255,255,.62)!important;border:1px dashed rgba(37,99,235,.34)!important;box-shadow:inset 0 1px 0 rgba(255,255,255,.9)}
.upbs-badge{
  background:linear-gradient(135deg,#ffffff,#eff6ff)!important;color:#1d4ed8!important;border:1px solid rgba(37,99,235,.14)!important;
  box-shadow:0 12px 26px rgba(15,23,42,.14)!important;font-size:11px!important;letter-spacing:.3px;text-transform:uppercase;
}
.upbs-card-body{padding:20px!important;position:relative;z-index:1}
.upbs-card h3{font-size:19px!important;line-height:1.35!important;letter-spacing:-.35px!important;margin-bottom:12px!important}
.upbs-meta{gap:7px!important;margin-bottom:12px!important}
.upbs-meta span{
  background:#f8fafc!important;border:1px solid #e2e8f0!important;color:#475569!important;border-radius:999px!important;
  padding:7px 10px!important;font-size:11.5px!important;box-shadow:inset 0 1px 0 #fff;
}
.upbs-card p{font-size:14px!important;line-height:1.55!important;color:#64748b!important;margin-bottom:16px!important}
.upbs-actions{gap:11px!important}
.btn{
  border-radius:16px!important;padding:12px 13px!important;font-size:13px!important;font-weight:1000!important;
  background:#eef4ff!important;color:#1d4ed8!important;border:1px solid rgba(37,99,235,.12)!important;
  box-shadow:0 12px 26px rgba(15,23,42,.07);transition:.22s!important;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(37,99,235,.13)}
.upbs-rate{border-radius:16px!important;background:linear-gradient(135deg,#fff7ed,#fef3c7)!important;border:1px solid #fde68a!important;color:#92400e!important;box-shadow:0 12px 24px rgba(245,158,11,.12)}
.upbs-no-pdf{border-radius:16px!important;background:#fff1f2!important;border:1px solid #fecdd3!important;color:#9f1239!important}
.upbs-empty{border-radius:30px!important;background:rgba(255,255,255,.86)!important;box-shadow:0 18px 42px rgba(15,23,42,.08)!important}
.upbs-request-wrap{margin-top:30px!important}.upbs-request{border-radius:28px!important;padding:24px!important}.upbs-msg{color:#16a34a!important}
.upbs-grid[data-upbs-view="list"] .upbs-card{grid-template-columns:190px 1fr!important;border-radius:28px!important}
.upbs-grid[data-upbs-view="list"] .upbs-card-body{display:grid;align-content:center}.upbs-grid[data-upbs-view="list"] .upbs-actions{grid-template-columns:160px 160px;justify-content:start}
@media(max-width:1024px){
  .upbs-class-grid{grid-template-columns:repeat(4,minmax(0,1fr))!important}.upbs-streams{grid-template-columns:repeat(2,minmax(0,1fr))!important}.upbs-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}
}
@media(max-width:700px){
  .upbs-premium{padding:0 10px!important;margin:16px auto!important}.upbs-dashboard:before,.upbs-books:before{height:300px;border-radius:26px}
  .upbs-hero-front,.upbs-list-hero,.upbs-request-wrap{border-radius:26px!important;padding:26px 18px!important}.upbs-hero-front h2,.upbs-list-hero h2,.upbs-request-info h2{font-size:30px!important;letter-spacing:-.8px!important}.upbs-hero-front p,.upbs-list-hero p,.upbs-request-info p{font-size:14.5px!important}
  .upbs-hero-actions{gap:9px!important}.upbs-hero-btn{width:100%;padding:12px 16px!important}
  .upbs-section-head h3{font-size:22px!important}.upbs-class-grid,.upbs-streams,.upbs-grid{grid-template-columns:1fr!important;gap:14px!important}.upbs-class-tile{min-height:112px!important}.upbs-class-tile strong{font-size:40px!important}
  .upbs-filter{position:relative!important;top:auto!important;border-radius:22px!important}.upbs-grid[data-upbs-view="list"] .upbs-card{display:block!important}.upbs-grid[data-upbs-view="list"] .upbs-actions{grid-template-columns:1fr!important}.upbs-card{border-radius:24px!important}.upbs-card-body{padding:17px!important}.upbs-actions{grid-template-columns:1fr!important}
}

/* =========================================================
   UPBS v8.3.3 Diamond Premium Frontend Upgrade
   CSS-only upgrade: PHP logic, view/download counters unchanged
   ========================================================= */
.upbs-premium{
  --upbs-ink:#06111f;
  --upbs-soft-blue:#eff6ff;
  --upbs-lux:#f8fafc;
  --upbs-ring:rgba(37,99,235,.18);
  max-width:1260px!important;
}
.upbs-premium a,.upbs-premium button{-webkit-tap-highlight-color:transparent}
.upbs-dashboard,.upbs-books{padding-top:4px!important}
.upbs-dashboard:after,.upbs-books:after{
  content:"";position:absolute;z-index:-2;inset:0 auto auto 50%;width:min(780px,86vw);height:780px;transform:translateX(-50%);border-radius:999px;
  background:radial-gradient(circle,rgba(37,99,235,.12),transparent 62%);filter:blur(8px);pointer-events:none;
}
.upbs-hero-front,.upbs-list-hero,.upbs-request-wrap{
  min-height:260px!important;display:flex!important;flex-direction:column!important;justify-content:center!important;
  background:
    linear-gradient(120deg,rgba(255,255,255,.12),transparent 22%,rgba(255,255,255,.10) 45%,transparent 62%),
    radial-gradient(circle at 82% 20%,rgba(96,165,250,.42),transparent 18%),
    radial-gradient(circle at 18% 92%,rgba(250,204,21,.26),transparent 20%),
    linear-gradient(135deg,#020617 0%,#0f172a 26%,#1d4ed8 68%,#7c3aed 100%)!important;
  overflow:hidden!important;
}
.upbs-hero-front:before,.upbs-list-hero:before,.upbs-request-wrap:before{
  right:-95px!important;top:-120px!important;width:330px!important;height:330px!important;
  background:radial-gradient(circle,rgba(255,255,255,.20),rgba(255,255,255,.04) 60%,transparent)!important;
  filter:blur(.2px)!important;
}
.upbs-hero-front .upbs-pill,.upbs-list-hero .upbs-pill,.upbs-request-info .upbs-pill{
  width:max-content!important;background:rgba(255,255,255,.14)!important;border-color:rgba(255,255,255,.38)!important;
}
.upbs-hero-front h2,.upbs-list-hero h2,.upbs-request-info h2{
  background:linear-gradient(180deg,#fff 0%,#dbeafe 100%);-webkit-background-clip:text;background-clip:text;color:transparent!important;
}
.upbs-hero-actions:after{
  content:"Fast • Clean • Mobile Friendly";display:inline-flex;align-items:center;padding:11px 15px;border-radius:999px;
  background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.24);font-weight:900;color:#e0e7ff;font-size:12px;
}
.upbs-section-head{
  padding:16px 18px!important;border-radius:24px!important;background:rgba(255,255,255,.72)!important;
  border:1px solid rgba(148,163,184,.18)!important;box-shadow:0 14px 35px rgba(15,23,42,.055)!important;
}
.upbs-class-grid{gap:18px!important}
.upbs-class-tile{
  min-height:150px!important;background:
    radial-gradient(circle at 80% 0%,rgba(37,99,235,.12),transparent 34%),
    linear-gradient(180deg,#fff,#f8fbff)!important;
}
.upbs-class-tile span:before{content:"🎓 ";}
.upbs-class-tile strong{font-size:50px!important;line-height:.95!important;margin-top:10px!important}
.upbs-class-tile em{margin-top:18px!important;box-shadow:0 10px 22px rgba(15,23,42,.06)!important}
.upbs-stream-card{
  background:
    radial-gradient(circle at 90% 8%,rgba(124,58,237,.13),transparent 35%),
    linear-gradient(180deg,#fff,#f8fbff)!important;
}
.upbs-filter{
  background:rgba(255,255,255,.88)!important;border-radius:30px!important;border:1px solid rgba(191,219,254,.55)!important;
}
.upbs-filter:before{
  content:"Find your book";grid-column:1/-1;font-weight:1000;color:#0f172a;font-size:14px;letter-spacing:.2px;
}
.upbs-filter input::placeholder,.upbs-request input::placeholder,.upbs-request textarea::placeholder{color:#94a3b8!important;font-weight:800!important}
.upbs-grid{grid-template-columns:repeat(4,minmax(0,1fr))!important;gap:24px!important}
.upbs-card{
  border-radius:32px!important;background:
    linear-gradient(#fff,#fff) padding-box,
    linear-gradient(135deg,rgba(37,99,235,.35),rgba(124,58,237,.22),rgba(245,158,11,.20)) border-box!important;
  border:1px solid transparent!important;box-shadow:0 18px 50px rgba(15,23,42,.09)!important;
}
.upbs-card:hover{transform:translateY(-10px)!important;box-shadow:0 34px 85px rgba(37,99,235,.20)!important}
.upbs-card-media{
  height:122px!important;min-height:112px!important;max-height:132px!important;padding:14px!important;
  background:
    radial-gradient(circle at 75% 15%,rgba(255,255,255,.75),transparent 28%),
    linear-gradient(135deg,#dbeafe,#f5f3ff 55%,#ffedd5)!important;
}
.upbs-card-size-small .upbs-card-media{height:106px!important;min-height:96px!important;max-height:116px!important}
.upbs-card-size-medium .upbs-card-media{height:142px!important;min-height:128px!important;max-height:156px!important}
.upbs-card-size-large .upbs-card-media{height:198px!important;min-height:178px!important;max-height:218px!important}
.upbs-cover span{filter:drop-shadow(0 12px 18px rgba(37,99,235,.18))}
.upbs-badge{top:14px!important;left:14px!important;padding:7px 11px!important;font-weight:1000!important}
.upbs-card-body{padding:21px!important}
.upbs-card h3{font-size:18.5px!important;min-height:50px!important;color:#07111f!important}
.upbs-meta span:nth-child(2){background:#ecfeff!important;color:#0e7490!important;border-color:#a5f3fc!important}
.upbs-meta span:nth-child(3){background:#f0fdf4!important;color:#15803d!important;border-color:#bbf7d0!important}
.upbs-actions .btn:first-child:before{content:"";width:7px;height:7px;border-radius:99px;background:#2563eb;display:inline-block;margin-right:6px;box-shadow:0 0 0 4px rgba(37,99,235,.10)}
.upbs-actions .btn.primary:before{content:"";width:7px;height:7px;border-radius:99px;background:#fff;display:inline-block;margin-right:6px;box-shadow:0 0 0 4px rgba(255,255,255,.18)}
.btn{display:flex!important;align-items:center!important;justify-content:center!important;min-height:44px!important}
.upbs-rate{min-height:44px!important;font-weight:1000!important}
.upbs-request-wrap{display:grid!important;grid-template-columns:1fr 1.05fr!important;align-items:center!important}
.upbs-request-info{position:relative;z-index:1}.upbs-request{position:relative;z-index:1}
.upbs-request button{min-height:48px!important;font-size:14px!important}
.upbs-empty b:before{content:"📚 ";}
.upbs-grid[data-upbs-view="list"] .upbs-card{grid-template-columns:220px 1fr!important;min-height:178px!important}
.upbs-grid[data-upbs-view="list"] .upbs-card-media{min-height:178px!important}
.upbs-grid[data-upbs-view="list"] .upbs-card h3{min-height:auto!important;font-size:21px!important}
@media(max-width:1180px){.upbs-grid{grid-template-columns:repeat(3,minmax(0,1fr))!important}.upbs-class-grid{grid-template-columns:repeat(4,minmax(0,1fr))!important}}
@media(max-width:820px){
  .upbs-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:16px!important}.upbs-filter:before{font-size:13px}.upbs-request-wrap{grid-template-columns:1fr!important}
}
@media(max-width:560px){
  .upbs-premium{padding:0 12px!important}.upbs-hero-front,.upbs-list-hero,.upbs-request-wrap{min-height:auto!important;border-radius:28px!important;padding:28px 20px!important}.upbs-hero-actions:after{width:100%;justify-content:center}.upbs-section-head{display:block!important;padding:14px!important}.upbs-class-grid,.upbs-streams,.upbs-grid{grid-template-columns:1fr!important}.upbs-class-tile{min-height:128px!important}.upbs-card-media,.upbs-card-size-small .upbs-card-media,.upbs-card-size-medium .upbs-card-media,.upbs-card-size-large .upbs-card-media{height:112px!important;min-height:104px!important;max-height:124px!important}.upbs-card h3{min-height:auto!important}.upbs-actions{grid-template-columns:1fr!important}.upbs-grid[data-upbs-view="list"] .upbs-card{display:block!important;min-height:auto!important}.upbs-grid[data-upbs-view="list"] .upbs-card-media{min-height:112px!important}.upbs-view-toggle{display:grid!important;grid-template-columns:1fr 1fr!important}.upbs-view-toggle button{padding:10px 8px!important;font-size:12px!important}
}


/* UPBS universal responsive/frontend fix layer - added by ChatGPT */
html,body{max-width:100%;overflow-x:hidden}*,*::before,*::after{box-sizing:border-box}img,svg,video,canvas,iframe{max-width:100%;height:auto}table{max-width:100%;border-collapse:collapse}input,select,textarea,button{max-width:100%;font:inherit}a,button,input,select,textarea{-webkit-tap-highlight-color:transparent}.upbs-premium,.upbs-solutions-wrap,.upbs-class-dashboard,.upbs-v4,.upbmcqv11-wrap,.ubspsx-wrap,.ubs-header-2026,.ubs-footer-2026{width:100%;max-width:100%;overflow-wrap:anywhere}.upbs-filter,.upbs-actions,.upbs-meta,.upbs-hero-actions{min-width:0}.upbs-filter>*{min-width:0}.upbs-filter input,.upbs-filter select,.upbs-filter button{width:100%;min-height:44px}.upbs-grid,.upbs-grid-front,.upbs-class-grid,.upbs-class-dashboard,.upbs-streams,.upbs-v4-grid,.upbmcqv11-grid,.ubspsx-grid{display:grid;gap:clamp(12px,2vw,20px)}.upbs-card,.upbs-class-box,.upbs-class-tile,.upbs-stream-card,.upbs-v4-card,.upbmcqv11-card,.ubspsx-card{min-width:0;overflow:hidden}.upbs-card h1,.upbs-card h2,.upbs-card h3,.upbs-v4-card h1,.upbs-v4-card h2,.upbs-v4-card h3,.upbmcqv11-card h1,.upbmcqv11-card h2,.upbmcqv11-card h3{overflow-wrap:anywhere;line-height:1.25}.upbs-actions a,.upbs-actions button,.btn,.upbs-hero-btn,.upbs-view,.upbs-download{min-height:42px;display:inline-flex;align-items:center;justify-content:center;text-align:center;line-height:1.25}.upbs-card-media img,.upbs-book-cover img{object-fit:contain;background:#fff}.upbs-filter{position:relative;z-index:2}.upbs-filter.is-sticky{position:sticky;top:8px}.upbs-dark,.upbs-dark *{color-scheme:dark}@media (hover:hover){.upbs-card:hover,.upbs-class-tile:hover,.upbs-stream-card:hover,.upbs-v4-card:hover,.upbmcqv11-card:hover{will-change:transform}}@media (max-width:1180px){.upbs-premium{padding-left:14px;padding-right:14px}.upbs-grid,.upbs-grid-front{grid-template-columns:repeat(2,minmax(0,1fr))}.upbs-class-grid,.upbs-class-dashboard{grid-template-columns:repeat(3,minmax(0,1fr))}.upbs-filter{grid-template-columns:repeat(2,minmax(0,1fr))!important}.upbs-filter button{grid-column:auto}}@media (max-width:782px){body{min-width:0}.upbs-premium{margin:16px auto;padding-left:10px;padding-right:10px}.upbs-hero-front,.upbs-list-hero,.upbs-request-wrap{border-radius:20px;padding:22px 16px}.upbs-grid,.upbs-grid-front,.upbs-class-grid,.upbs-class-dashboard,.upbs-streams,.upbs-request-wrap,.upbs-request-row,.upbs-filter{grid-template-columns:1fr!important}.upbs-section-head{display:block}.upbs-actions{display:grid!important;grid-template-columns:1fr!important}.upbs-filter{position:relative!important;top:auto!important;padding:12px;border-radius:16px}.upbs-card,.upbs-class-box,.upbs-class-tile,.upbs-stream-card{border-radius:18px}.upbs-card-body{padding:14px}.upbs-hero-front h2,.upbs-list-hero h2,.upbs-request-info h2{font-size:clamp(24px,8vw,32px)}}@media (max-width:480px){.upbs-premium{padding-left:8px;padding-right:8px}.upbs-filter input,.upbs-filter select,.upbs-filter button{font-size:14px;padding:11px}.upbs-class-tile strong{font-size:30px}.upbs-card-media{height:auto;min-height:88px;max-height:140px}.upbs-actions a,.upbs-actions button,.btn{width:100%}}@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.001ms!important}}