:root{
    --bg:#0d0d16; --bg-side:#12121e; --bg-card:#181828; --bg-hover:#1f1f30;
    --border:#26263a; --text:#e8e8f0; --text-dim:#9a9ab0;
    --purple:#7c3aed; --purple-light:#a78bfa; --green:#22c55e; --red:#ef4444;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;}
a{color:inherit;text-decoration:none;}

/* ---- Auth ---- */
.auth-body{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px;background:radial-gradient(circle at top,#1a1030,#0d0d16);}
.auth-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:40px;width:100%;max-width:400px;}
.auth-logo{font-size:28px;font-weight:800;text-align:center;}
.auth-logo span{color:var(--purple-light);}
.auth-sub{text-align:center;color:var(--text-dim);margin:6px 0 24px;font-size:14px;}
.auth-card label{display:block;font-size:13px;color:var(--text-dim);margin:14px 0 6px;}
.auth-card input{width:100%;padding:11px 14px;background:var(--bg);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:14px;}
.auth-card input:focus{outline:none;border-color:var(--purple);}
.auth-footer{text-align:center;margin-top:20px;font-size:13px;color:var(--text-dim);}
.auth-footer a{color:var(--purple-light);font-weight:600;}
.alert-error{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:#fca5a5;padding:10px 14px;border-radius:10px;font-size:13px;margin-bottom:10px;}

.input-pass{position:relative;}
.input-pass input{padding-right:44px;}
.toggle-pass{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:none;border:none;font-size:16px;cursor:pointer;padding:6px;line-height:1;opacity:.75;}
.toggle-pass:hover{opacity:1;}
.field-hint{font-size:12px;margin-top:6px;min-height:14px;}
.hint-ok{color:var(--green);}
.hint-error{color:var(--red);}

.btn-primary{display:inline-flex;align-items:center;justify-content:center;background:var(--purple);color:#fff;border:none;padding:11px 18px;border-radius:10px;font-weight:600;font-size:14px;cursor:pointer;margin-top:20px;}
.btn-primary:hover{background:#6d28d9;}
.btn-block{width:100%;margin-top:10px;}

/* ---- App shell ---- */
.app-shell{display:flex;min-height:100vh;}
.sidebar{width:250px;background:var(--bg-side);border-right:1px solid var(--border);padding:20px 14px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;}
.sidebar-logo{font-size:20px;font-weight:800;padding:0 8px 18px;}
.sidebar-logo span{color:var(--purple-light);}
.sidebar-profile{display:flex;align-items:center;gap:10px;background:var(--bg-card);border-radius:12px;padding:10px;margin-bottom:16px;}
.avatar-sm{width:38px;height:38px;border-radius:50%;background:var(--purple);display:flex;align-items:center;justify-content:center;font-weight:700;}
.sidebar-profile-name{font-size:13px;font-weight:600;}
.sidebar-profile-user{font-size:12px;color:var(--text-dim);}
.sidebar-nav{display:flex;flex-direction:column;gap:2px;flex:1;}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:14px;color:var(--text-dim);position:relative;}
.nav-item:hover{background:var(--bg-hover);color:var(--text);}
.nav-item.active{background:rgba(124,58,237,.15);color:var(--purple-light);font-weight:600;}
.nav-icon{font-size:16px;width:20px;text-align:center;}
.nav-badge{margin-left:auto;background:var(--red);color:#fff;font-size:10px;padding:1px 6px;border-radius:10px;}
.sidebar-premium{background:linear-gradient(135deg,#7c3aed,#a78bfa22);border-radius:12px;padding:14px;margin-top:14px;font-size:12px;}
.sidebar-premium-title{font-weight:700;margin-bottom:6px;}
.sidebar-premium p{color:rgba(255,255,255,.85);line-height:1.4;}

.app-main{flex:1;min-width:0;}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 24px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg);z-index:5;}
.topbar-search{flex:1;max-width:480px;}
.topbar-search input{width:100%;padding:10px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;color:var(--text);}
.topbar-actions{display:flex;align-items:center;gap:10px;}
.topbar-actions .btn-primary{margin:0;}
.icon-btn{width:38px;height:38px;display:flex;align-items:center;justify-content:center;background:var(--bg-card);border-radius:10px;position:relative;}
.icon-btn .dot{position:absolute;top:6px;right:6px;width:8px;height:8px;background:var(--red);border-radius:50%;}

.content{padding:24px;max-width:1400px;}

/* ---- Dashboard ---- */
.dashboard-grid{display:grid;grid-template-columns:1fr 340px;gap:20px;}
@media (max-width:960px){.dashboard-grid{grid-template-columns:1fr;} .sidebar{display:none;}}

.welcome-card{background:linear-gradient(135deg,var(--bg-card),#1e1636);border:1px solid var(--border);border-radius:16px;padding:24px;margin-bottom:20px;}
.welcome-card h2{font-size:22px;margin-bottom:6px;}
.welcome-card p{color:var(--text-dim);font-size:14px;}

.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px;}
@media (max-width:640px){.stats-row{grid-template-columns:repeat(2,1fr);}}
.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:16px;text-align:center;}
.stat-num{font-size:24px;font-weight:800;color:var(--purple-light);}
.stat-label{font-size:12px;color:var(--text-dim);margin-top:4px;}

.panel{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:18px;margin-bottom:16px;}
.panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.panel-header h3{font-size:15px;}
.panel-link{font-size:12px;color:var(--purple-light);font-weight:600;}
.panel-empty{color:var(--text-dim);font-size:13px;}

.quick-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;}
@media (max-width:640px){.quick-actions{grid-template-columns:repeat(2,1fr);}}
.quick-action{display:flex;flex-direction:column;align-items:center;gap:6px;background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:14px 8px;font-size:12px;text-align:center;}
.quick-action:hover{border-color:var(--purple);}

.list-item{padding:10px 0;border-bottom:1px solid var(--border);}
.list-item:last-child{border-bottom:none;}
.list-item-title{font-size:13px;font-weight:600;}
.list-item-sub{font-size:12px;color:var(--text-dim);margin-top:2px;}