:root{
    --bg:#f4f5fa; --card:#ffffff; --ink:#1b2030; --muted:#6b7280; --line:#e8eaf0;
    --brand:#6d5efc; --brand-d:#5a4be8; --brand-soft:#eeecff;
    --ok:#16a34a; --ok-bg:#dcfce7; --warn:#d97706; --warn-bg:#fef3c7;
    --danger:#dc2626; --danger-bg:#fee2e2;
    --side:#171432; --side-2:#1f1b40; --side-ink:#c9c6e4; --side-active:#ffffff;
    --radius:14px; --radius-sm:10px;
    --shadow:0 1px 2px rgba(16,24,40,.05),0 1px 3px rgba(16,24,40,.08);
    --shadow-lg:0 10px 30px rgba(23,20,50,.10);
    --sidebar-w:248px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
    background:var(--bg);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.ic{width:20px;height:20px;flex-shrink:0}

/* ======================= APP SHELL ======================= */
.app-shell{display:flex;min-height:100vh}

/* Sidebar */
.sidebar{width:var(--sidebar-w);background:linear-gradient(180deg,var(--side),var(--side-2));
    color:var(--side-ink);display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;
    height:100vh;z-index:40;transition:transform .25s ease}
.sidebar-brand{display:flex;align-items:center;gap:11px;padding:20px 20px 16px}
.brand-logo{max-height:40px;max-width:170px;object-fit:contain}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;
    background:var(--brand);color:#fff;font-weight:800;font-size:18px}
.brand-mark.lg{width:56px;height:56px;font-size:26px;border-radius:16px}
.brand-name{font-weight:700;font-size:19px;color:#fff}

.side-nav{flex:1;overflow-y:auto;padding:6px 12px}
.side-group{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#7b77a6;
    padding:16px 12px 6px;font-weight:700}
.side-link{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;
    color:var(--side-ink);font-size:14.5px;font-weight:500;margin-bottom:2px;transition:.15s}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none}
.side-link.active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(109,94,252,.35)}
.side-link.active .ic{color:#fff}

.sidebar-foot{padding:12px;border-top:1px solid rgba(255,255,255,.08)}
.userbox{display:flex;align-items:center;gap:10px;padding:8px 10px 12px}
.avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;
    background:var(--brand-soft);color:var(--brand-d);font-weight:700}
.userinfo{display:flex;flex-direction:column;line-height:1.2}
.uname{color:#fff;font-size:14px;font-weight:600}
.urole{color:#8884b3;font-size:12px}
.side-link.logout{color:#c9c6e4}

/* Main column */
.app-main{flex:1;margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-width:0}
.app-topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:14px;
    background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(8px);
    border-bottom:1px solid var(--line);padding:12px 26px}
.topbar-title{font-size:18px;font-weight:700;margin:0}
.topbar-spacer{flex:1}
.hamburger{display:none;flex-direction:column;gap:4px;cursor:pointer;padding:6px}
.hamburger span{width:22px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle-cb,.nav-scrim{display:none}

.app-content{padding:26px;max-width:1160px;width:100%;margin:0 auto;flex:1}
.app-foot{text-align:center;color:var(--muted);font-size:13px;padding:24px}

/* Banners */
.banner{padding:11px 26px;font-size:14px;text-align:center}
.banner-danger{background:var(--danger-bg);color:#991b1b}
.banner-warn{background:var(--warn-bg);color:#92400e}
.banner-info{background:var(--brand-soft);color:#4a3cc0}

/* ======================= COMPONENTS ======================= */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow);padding:20px;margin-bottom:20px}
.card h3{margin:0 0 14px;font-size:16px;font-weight:700}
.empty{text-align:center;color:var(--muted);padding:30px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;margin-bottom:20px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}

.stat{position:relative;overflow:hidden}
.stat-num{font-size:30px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.stat-num-sm{font-size:18px;font-weight:700;margin-top:4px}
.stat-label{font-size:13px;color:var(--muted);margin:4px 0}
.stat a{font-size:13px;font-weight:600}

/* Tables */
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.table th{color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em}
.table tbody tr:hover,.table tbody tr:hover{background:#fafaff}
.row-danger{background:var(--danger-bg)}
.actions{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.actions form{display:inline}

/* Pills */
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;
    background:var(--brand-soft);color:var(--brand-d)}
.pill-ok{background:var(--ok-bg);color:#166534}
.pill-warn{background:var(--warn-bg);color:#92400e}
.pill-danger{background:var(--danger-bg);color:#991b1b}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:7px;border:1px solid transparent;border-radius:10px;
    padding:10px 16px;font-size:14px;font-weight:600;cursor:pointer;text-align:center;transition:.15s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-sm{padding:6px 11px;font-size:13px;border-radius:8px}
.btn-lg{padding:13px 24px;font-size:16px}
.btn-block{width:100%;justify-content:center}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(109,94,252,.28)}
.btn-primary:hover{background:var(--brand-d)}
.btn-secondary{background:var(--brand-soft);color:var(--brand-d)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-danger{background:#fff;color:var(--danger);border-color:#fecaca}

/* Forms */
label{display:block;font-size:13px;font-weight:600;color:#374151;margin-bottom:14px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;
    font-size:14px;margin-top:6px;background:#fff;font-family:inherit;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);
    box-shadow:0 0 0 3px rgba(109,94,252,.15)}
.form-wide{max-width:860px}
.inline-form{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.inline-form input,.inline-form select{width:auto;margin-top:0}
.inline-consume{display:flex;gap:5px;align-items:center}
.inline-consume input{margin-top:0}

.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.mt{margin-top:14px}
.muted{color:var(--muted);font-size:14px}
.center{text-align:center}
.page-title{display:none}   /* title now lives in the topbar */

/* Flash */
.flash{padding:12px 15px;border-radius:10px;margin-bottom:16px;font-size:14px}
.flash-success{background:var(--ok-bg);color:#166534}
.flash-error{background:var(--danger-bg);color:#991b1b}
.success-box{border-color:#bbf7d0;background:#f0fdf4}

/* Bars */
.bar-row{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:13px}
.bar-label{width:130px;flex-shrink:0;color:#374151}
.bar{flex:1;background:#eef0f6;border-radius:999px;height:14px;overflow:hidden}
.bar-fill{display:block;height:100%;background:var(--brand);border-radius:999px}
.bar-fill-2{background:#0ea5e9}
.bar-val{width:90px;text-align:right;flex-shrink:0;color:var(--muted)}
.bar.mini{display:inline-block;width:80px;height:8px;vertical-align:middle;margin-left:6px}

/* Logo preview */
.logo-preview{display:flex;align-items:center;gap:14px;margin:10px 0 16px}
.logo-preview img{max-height:56px;max-width:200px;border:1px solid var(--line);border-radius:10px;padding:6px;background:#fff}

/* ======================= AUTH ======================= */
.auth-body{background:linear-gradient(135deg,#efeeff,#f6f7fb 60%);min-height:100vh}
.auth-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-lg);
    padding:34px;width:100%;max-width:400px}
.auth-brand{text-align:center;margin-bottom:22px}
.auth-brand .brand-mark.lg{margin:0 auto 10px}
.auth-logo{max-height:64px;max-width:220px;object-fit:contain;margin-bottom:8px}
.auth-card .brand{font-size:24px;margin:0;color:var(--ink)}
.auth-tag{color:var(--muted);font-size:14px;margin:4px 0 0}
.auth-card h2{text-align:center;font-size:17px;margin:0 0 18px;font-weight:600;color:#374151}
.auth-foot{color:var(--muted);font-size:12px;margin-top:18px}
.admin-nav{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap}

/* ======================= RESPONSIVE ======================= */
@media(max-width:860px){
    .grid-2{grid-template-columns:1fr}
    .sidebar{transform:translateX(-100%)}
    .app-main{margin-left:0}
    .hamburger{display:flex}
    .topbar-logout{display:none}
    .nav-toggle-cb:checked ~ .app-shell .sidebar{transform:translateX(0);box-shadow:var(--shadow-lg)}
    .nav-toggle-cb:checked ~ .app-shell .nav-scrim{display:block;position:fixed;inset:0;background:rgba(10,8,30,.45);z-index:35}
}