@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');
:root{
  --bs-body-font-family:'Plus Jakarta Sans','Inter',ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --bs-body-bg:#f3f5fb;--bs-body-color:#1e293b;
  --bs-primary:#6366f1;--bs-primary-rgb:99,102,241;
  --bs-link-color:#4f46e5;--bs-link-hover-color:#4338ca;
  --bs-border-color:#e7eaf3;--bs-border-radius:.75rem;
  --ink:#0f172a;--muted:#6b7694;--line:#e7eaf3;--accent:#6366f1;
  --grad:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%);
  --shadow:0 10px 30px rgba(40,50,110,.07);
}
body{font-size:.92rem;background-color:#f3f5fb;background-image:radial-gradient(900px 400px at 85% -100px,rgba(139,92,246,.14),transparent 70%),radial-gradient(700px 400px at 0 0,rgba(99,102,241,.10),transparent 70%);background-repeat:no-repeat;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;font-weight:700;color:var(--ink)}

/* Sidebar */
.sidebar{width:260px;min-height:100vh;background:linear-gradient(180deg,#0f1330 0%,#161a42 100%);position:fixed;inset:0 auto 0 0;z-index:1030;transition:transform .2s;padding-bottom:1rem}
.sidebar .brand{display:flex;align-items:center;color:#fff;font-weight:800;font-size:1.02rem;padding:1.3rem 1.4rem;text-decoration:none;margin-bottom:.5rem;line-height:1.2}
.sidebar .brand img{height:34px!important;max-width:150px!important;border-radius:6px}
.sidebar .nav{padding:0 .9rem}
.sidebar .nav-link{color:#aab1d6;padding:.65rem .9rem;border-radius:12px;display:flex;gap:.75rem;align-items:center;font-weight:600;margin-bottom:4px;transition:all .15s}
.sidebar .nav-link i{font-size:1.05rem}
.sidebar .nav-link:hover{background:rgba(255,255,255,.07);color:#fff}
.sidebar .nav-link.active{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(99,102,241,.45)}
.sidebar .nav-heading{color:#6f77a8;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;padding:1.3rem .9rem .5rem}
.main{margin-left:260px}
.main>main{padding:1.75rem!important}

/* Topbar */
.topbar{background:rgba(243,245,251,.8);-webkit-backdrop-filter:saturate(180%) blur(10px);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid rgba(231,234,243,.9);padding:.9rem 1.75rem;position:sticky;top:0;z-index:1020}
.topbar h1{font-size:1.35rem;font-weight:800;margin:0;color:var(--ink)}
.user-chip{display:flex;align-items:center;gap:.65rem;background:#fff;border:1px solid var(--line);padding:.3rem .9rem .3rem .3rem;border-radius:999px;box-shadow:0 2px 8px rgba(40,50,110,.05)}
.user-chip .avatar{width:34px;height:34px;border-radius:50%;background:var(--grad);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700}
.user-chip b{display:block;font-size:.8rem;color:var(--ink)}
.user-chip small{display:block;color:var(--muted);font-size:.68rem}

/* Hero banner */
.hero{position:relative;overflow:hidden;border-radius:22px;padding:1.9rem 2rem;color:#fff;background:linear-gradient(120deg,#4f46e5 0%,#7c3aed 55%,#db2777 115%);box-shadow:0 18px 40px rgba(99,102,241,.35);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem}
.hero::before{content:"";position:absolute;right:-60px;top:-80px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.12)}
.hero::after{content:"";position:absolute;right:120px;bottom:-110px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.08)}
.hero>*{position:relative;z-index:1}
.hero h2{font-size:1.6rem;font-weight:800;margin:0 0 .3rem;color:#fff}
.hero p{margin:0;opacity:.85}
.hero .btn-light{color:#4f46e5;font-weight:700;border:0;background:#fff;box-shadow:0 8px 18px rgba(0,0,0,.15)}
.hero .btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff}

/* Cards + stats */
.card{border:1px solid rgba(231,234,243,.8);border-radius:18px;box-shadow:var(--shadow);background:#fff}
.card .card-body{padding:1.4rem}
.stat{transition:transform .15s,box-shadow .15s}
.stat:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(40,50,110,.13)}
.stat-icon{width:44px;height:44px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;font-size:1.15rem;color:#fff;margin-bottom:1rem}
.tone-indigo{background:linear-gradient(135deg,#6366f1,#818cf8);box-shadow:0 8px 18px rgba(99,102,241,.35)}
.tone-violet{background:linear-gradient(135deg,#8b5cf6,#a78bfa);box-shadow:0 8px 18px rgba(139,92,246,.35)}
.tone-amber{background:linear-gradient(135deg,#f59e0b,#fbbf24);box-shadow:0 8px 18px rgba(245,158,11,.35)}
.tone-emerald{background:linear-gradient(135deg,#10b981,#34d399);box-shadow:0 8px 18px rgba(16,185,129,.35)}
.tone-sky{background:linear-gradient(135deg,#0ea5e9,#38bdf8);box-shadow:0 8px 18px rgba(14,165,233,.35)}
.tone-rose{background:linear-gradient(135deg,#f43f5e,#fb7185);box-shadow:0 8px 18px rgba(244,63,94,.35)}
.stat .value{font-size:2rem;font-weight:800;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums;color:var(--ink)}
.stat .label{color:var(--muted);font-size:.8rem;font-weight:600;margin-top:.5rem}
.chart-box{position:relative;height:290px}

/* Tables */
.table{--bs-table-hover-bg:#f7f8ff;margin-bottom:0}
.table>thead th{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);border-bottom:1px solid var(--line);background:#f8f9fd;white-space:nowrap}
.table>thead th:first-child{border-top-left-radius:12px}
.table>thead th:last-child{border-top-right-radius:12px}
.table>:not(caption)>*>*{padding:.85rem 1rem;border-bottom-color:#eef0f7}
.table td,.table th{vertical-align:middle}
.table a.fw-semibold{color:var(--ink)}
.table a.fw-semibold:hover{color:var(--accent)}

/* Forms */
.form-control,.form-select{border:1px solid #dfe3ee;border-radius:12px;padding:.62rem .9rem;font-size:.92rem;background-color:#fff}
.form-control:focus,.form-select:focus{border-color:#8b8df5;box-shadow:0 0 0 4px rgba(99,102,241,.14)}
.form-control-color{padding:.3rem;height:2.7rem}
.form-label{font-weight:600;font-size:.82rem;color:#334155;margin-bottom:.4rem}
.form-text{color:var(--muted)}
.form-check-input:checked{background-color:var(--accent);border-color:var(--accent)}
.input-group-text{border-radius:12px;background:#f8f9fd;border-color:#dfe3ee}

/* Buttons */
.btn{border-radius:12px;font-weight:600;font-size:.88rem;padding:.55rem 1.05rem;transition:all .15s}
.btn-sm{padding:.35rem .75rem;font-size:.8rem;border-radius:10px}
.btn-primary{--bs-btn-color:#fff;--bs-btn-hover-color:#fff;--bs-btn-active-color:#fff;--bs-btn-border-color:transparent;--bs-btn-hover-border-color:transparent;--bs-btn-active-border-color:transparent;background:var(--grad);border:0;box-shadow:0 8px 18px rgba(99,102,241,.32)}
.btn-primary:hover,.btn-primary:focus{background:linear-gradient(135deg,#5558e8,#7c4ee6);transform:translateY(-1px);box-shadow:0 12px 24px rgba(99,102,241,.42)}
.btn-outline-primary{--bs-btn-color:#4f46e5;--bs-btn-border-color:#d6d8fb;--bs-btn-bg:#f5f5ff;--bs-btn-hover-bg:#6366f1;--bs-btn-hover-border-color:#6366f1;--bs-btn-active-bg:#4f46e5;--bs-btn-active-border-color:#4f46e5}
.btn-outline-secondary{--bs-btn-color:#475569;--bs-btn-border-color:#dfe3ee;--bs-btn-hover-bg:#f1f3fa;--bs-btn-hover-color:#0f172a;--bs-btn-hover-border-color:#cfd5e6;--bs-btn-active-bg:#e8ebf5;--bs-btn-active-color:#0f172a;--bs-btn-active-border-color:#cfd5e6}
.btn-outline-danger{--bs-btn-border-color:#fbd0d6;--bs-btn-bg:#fff5f6}
.btn-light{--bs-btn-bg:#fff;--bs-btn-border-color:#dfe3ee}

/* Badges, alerts, pagination */
.badge{font-weight:600;padding:.4em .75em;border-radius:999px;font-size:.72rem}
.badge::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:currentColor;margin-right:.4rem;vertical-align:middle;opacity:.9}
.badge.text-bg-success{background:#e6f9f0!important;color:#0f8a52!important}
.badge.text-bg-secondary{background:#eff1f6!important;color:#5b6786!important}
.badge.text-bg-dark{background:#1e293b!important;color:#fff!important}
.alert{border:1px solid;border-radius:14px;font-size:.88rem}
.alert-success{background:#ecfdf3;border-color:#abefc6;color:#067647}
.alert-danger{background:#fef3f2;border-color:#fecdca;color:#b42318}
.alert-warning{background:#fffaeb;border-color:#fedf89;color:#b54708}
.pagination{--bs-pagination-active-bg:#6366f1;--bs-pagination-active-border-color:#6366f1;--bs-pagination-color:#475569;--bs-pagination-border-radius:10px}

/* QR */
.qr-preview{background:#fff;border:1px solid var(--line);border-radius:20px;padding:1.5rem;text-align:center;box-shadow:var(--shadow)}
.qr-preview img{max-width:100%;height:auto;image-rendering:pixelated}

/* Login */
body.d-flex{background:radial-gradient(900px 500px at 15% 10%,rgba(236,72,153,.55),transparent 60%),radial-gradient(900px 600px at 90% 90%,rgba(56,189,248,.45),transparent 60%),linear-gradient(135deg,#4338ca 0%,#7c3aed 100%);background-attachment:fixed}
body.d-flex .card{width:100%;max-width:420px;padding:2.25rem!important;border:0;border-radius:24px;box-shadow:0 30px 70px rgba(15,23,60,.35)}

@media (max-width:991px){.sidebar{transform:translateX(-100%)}.sidebar.open{transform:none;box-shadow:0 0 40px rgba(15,23,42,.35)}.main{margin-left:0}.main>main{padding:1rem!important}.topbar{padding:.7rem 1rem}.hero{padding:1.4rem}}