:root{
    --btp-blue:#074790;
    --btp-blue-dark:#032f68;
    --btp-blue-soft:#eaf2fb;
    --btp-yellow:#ffc600;
    --btp-ink:#142033;
    --btp-muted:#6f7b8c;
    --btp-bg:#f4f7fb;
    --btp-border:#e5eaf1;
    --shadow:0 20px 60px rgba(13,43,77,.10);
}
*{box-sizing:border-box}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--btp-ink)}
a{text-decoration:none}
.guest-body{min-height:100vh;background:#fff}
.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(440px,.92fr)}
.login-visual{position:relative;overflow:hidden;align-items:flex-end;padding:64px;background:
linear-gradient(135deg,rgba(3,47,104,.96),rgba(7,71,144,.86)),
radial-gradient(circle at 75% 20%,rgba(255,198,0,.28),transparent 32%),
#074790}
.login-visual:before{content:"";position:absolute;width:620px;height:620px;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:-220px;top:-240px}
.login-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 55%,rgba(255,198,0,.09))}
.visual-overlay{position:absolute;left:64px;top:0;width:6px;height:180px;background:var(--btp-yellow)}
.visual-content{position:relative;z-index:1;max-width:720px;color:#fff}
.visual-logo{width:150px;background:#fff;border-radius:24px;padding:13px;margin-bottom:42px;box-shadow:0 20px 50px rgba(0,0,0,.18)}
.login-badge{display:inline-flex;gap:9px;align-items:center;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.10);padding:9px 14px;border-radius:999px;font-size:.79rem;font-weight:700;letter-spacing:.06em}
.visual-content h1{font-size:clamp(2.8rem,5vw,5.1rem);line-height:.98;letter-spacing:-.055em;margin:26px 0}
.visual-content>p{font-size:1.08rem;line-height:1.75;color:rgba(255,255,255,.76);max-width:620px}
.visual-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:42px}
.visual-stats div{border-top:2px solid rgba(255,198,0,.85);padding-top:14px}
.visual-stats strong,.visual-stats span{display:block}.visual-stats span{font-size:.78rem;color:rgba(255,255,255,.62);margin-top:5px}
.login-panel{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:42px;background:linear-gradient(180deg,#fff,#f7f9fc)}
.login-card{width:min(100%,470px)}
.eyebrow,.section-kicker{font-size:.72rem;font-weight:800;letter-spacing:.14em;color:var(--btp-blue)}
.login-card h2{font-size:2.1rem;letter-spacing:-.04em;margin:10px 0}
.login-subtitle{color:var(--btp-muted);line-height:1.6;margin-bottom:30px}
.form-control{border:1px solid var(--btp-border);border-radius:16px;min-height:60px;background:#fff}
.form-control:focus{border-color:var(--btp-blue);box-shadow:0 0 0 .24rem rgba(7,71,144,.10)}
.form-floating>label{color:#7c8796}
.password-wrap{position:relative}.password-wrap .form-control{padding-right:52px}
.password-toggle{position:absolute;right:11px;top:11px;z-index:4;width:40px;height:40px;border:0;border-radius:12px;background:transparent;color:var(--btp-muted)}
.form-check-label{color:var(--btp-muted);font-size:.9rem;line-height:1.45}
.form-check-input:checked{background-color:var(--btp-blue);border-color:var(--btp-blue)}
.btn-btp{min-height:56px;border:0;border-radius:16px;background:linear-gradient(135deg,var(--btp-blue),var(--btp-blue-dark));color:#fff;font-weight:750;box-shadow:0 14px 30px rgba(7,71,144,.22)}
.btn-btp:hover{color:#fff;transform:translateY(-1px)}
.security-note{display:flex;gap:11px;align-items:flex-start;color:#728094;font-size:.8rem;line-height:1.5;margin-top:24px;padding:16px;background:var(--btp-blue-soft);border-radius:16px}
.security-note i{color:var(--btp-blue);font-size:1rem}
.login-footer{font-size:.75rem;color:#9aa4b2;margin-top:28px}
.mobile-logo img{width:104px;margin-bottom:26px}

.app-body{background:var(--btp-bg);min-height:100vh}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:274px;position:fixed;inset:0 auto 0 0;background:linear-gradient(180deg,var(--btp-blue-dark),#052858);padding:26px 20px;flex-direction:column;color:#fff;z-index:100}
.brand{display:flex;align-items:center;gap:13px;color:#fff;padding:0 7px 26px;border-bottom:1px solid rgba(255,255,255,.09)}
.brand img{width:58px;height:58px;object-fit:contain;background:#fff;border-radius:16px;padding:6px}
.brand strong,.brand span{display:block}.brand strong{font-size:1.1rem}.brand span{font-size:.72rem;color:rgba(255,255,255,.55)}
.sidebar-nav{display:flex;flex-direction:column;gap:7px;margin-top:27px}
.sidebar-nav a{display:flex;gap:13px;align-items:center;color:rgba(255,255,255,.68);padding:13px 15px;border-radius:14px;font-weight:650}
.sidebar-nav a.active,.sidebar-nav a:hover{background:rgba(255,255,255,.10);color:#fff}.sidebar-nav a.active:before{content:"";width:4px;height:22px;background:var(--btp-yellow);border-radius:4px}
.sidebar-nav i{font-size:1.05rem}
.sidebar-footer{margin-top:auto;padding:18px 8px 0;border-top:1px solid rgba(255,255,255,.09)}
.sidebar-footer small,.sidebar-footer span{display:block}.sidebar-footer span{font-size:.66rem;color:rgba(255,255,255,.45);margin-top:4px}
.app-main{width:100%;margin-left:274px}
.topbar{height:92px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--btp-border);display:flex;align-items:center;justify-content:space-between;padding:0 34px;position:sticky;top:0;z-index:80}
.topbar h1{font-size:1.4rem;margin:3px 0 0;letter-spacing:-.03em}
.icon-btn{width:43px;height:43px;border:1px solid var(--btp-border);background:#fff;border-radius:14px;color:var(--btp-blue)}
.user-chip{align-items:center;gap:10px;background:#f5f7fa;padding:6px 12px 6px 7px;border-radius:16px}
.avatar{width:34px;height:34px;border-radius:11px;background:var(--btp-blue);color:#fff;display:grid;place-items:center;font-weight:800}
.user-chip strong,.user-chip small{display:block}.user-chip strong{font-size:.8rem}.user-chip small{font-size:.67rem;color:var(--btp-muted)}
.content-wrap{padding:30px 34px 48px}
.welcome-card{background:linear-gradient(110deg,var(--btp-blue),var(--btp-blue-dark));color:#fff;border-radius:24px;padding:27px 30px;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow);position:relative;overflow:hidden}
.welcome-card:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-100px;top:-150px;background:rgba(255,198,0,.22)}
.welcome-card>*{position:relative;z-index:1}.welcome-card .section-kicker{color:var(--btp-yellow)}.welcome-card h2{font-size:1.6rem;margin:7px 0}.welcome-card p{color:rgba(255,255,255,.72);margin:0}
.metric-card,.panel-card{background:#fff;border:1px solid var(--btp-border);border-radius:20px;box-shadow:0 10px 30px rgba(21,48,83,.05)}
.metric-card{padding:21px;position:relative;min-height:174px}.metric-card>span{display:block;color:var(--btp-muted);font-size:.82rem;margin-top:16px}.metric-card>strong{display:block;font-size:2rem;letter-spacing:-.05em;margin:3px 0}.metric-card>small{color:#7890a8}
.metric-icon{width:45px;height:45px;border-radius:14px;display:grid;place-items:center;background:var(--btp-blue-soft);color:var(--btp-blue);font-size:1.1rem}
.metric-card.danger .metric-icon{background:#feeeee;color:#cf3348}.metric-card.warning .metric-icon{background:#fff4d8;color:#c78000}.metric-card.success .metric-icon{background:#e8f8f0;color:#198754}
.panel-card{padding:23px}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:16px}.panel-head h3{font-size:1.05rem;margin:5px 0 0}
.chart-placeholder{height:260px;padding:28px 10px 0}.chart-bars{height:100%;display:flex;gap:13px;align-items:flex-end;border-bottom:1px solid var(--btp-border)}
.chart-bars span{flex:1;min-width:10px;background:linear-gradient(180deg,var(--btp-yellow),#f0af00);border-radius:8px 8px 0 0;opacity:.88}
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}.quick-grid a{min-height:105px;border:1px solid var(--btp-border);border-radius:17px;padding:16px;color:var(--btp-ink);display:flex;flex-direction:column;justify-content:space-between;font-weight:700}.quick-grid a:hover{border-color:var(--btp-blue);background:var(--btp-blue-soft)}.quick-grid i{color:var(--btp-blue);font-size:1.35rem}
.mobile-nav{position:fixed;bottom:0;left:0;right:0;z-index:110;height:74px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--btp-border);display:grid;grid-template-columns:repeat(5,1fr);box-shadow:0 -12px 30px rgba(10,40,75,.08)}
.mobile-nav>a{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;color:#8b95a4;font-size:.66rem}.mobile-nav>a>i{font-size:1.12rem}.mobile-nav>a.active{color:var(--btp-blue)}
.mobile-action{position:relative}.mobile-action>span{width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg,var(--btp-blue),var(--btp-blue-dark));color:#fff;display:grid;place-items:center;position:absolute;top:-24px;box-shadow:0 12px 24px rgba(7,71,144,.28)}.mobile-action small{position:absolute;bottom:7px}

@media(max-width:991.98px){
    .login-shell{display:block}.login-panel{min-height:100vh;padding:30px 22px;background:linear-gradient(180deg,#f1f6fc 0,#fff 35%)}
    .login-card{background:#fff;border:1px solid var(--btp-border);border-radius:26px;padding:26px 22px;box-shadow:var(--shadow)}
    .login-footer{text-align:center}.app-main{margin-left:0}.topbar{height:78px;padding:0 18px}.topbar .eyebrow{display:none}.content-wrap{padding:20px 16px 104px}
    .welcome-card{align-items:flex-start;gap:20px;padding:24px;flex-direction:column}.welcome-card .btn{width:100%}
}
@media(max-width:575.98px){
    .login-card h2{font-size:1.72rem}.metric-card{padding:16px;min-height:158px}.metric-card>strong{font-size:1.7rem}.metric-card>small{font-size:.69rem}
    .panel-card{padding:18px}.chart-placeholder{height:220px}.chart-bars{gap:6px}.topbar h1{font-size:1.15rem}
}