/* =====================================================================
   TRAIU Admin Console — stylesheet
   Plain CSS, no framework, no build step. Edit and re-upload.
   ===================================================================== */

:root{
  --navy:#0e1c30;          /* sidebar + dark cards */
  --navy-2:#14263f;        /* hover / raised surfaces */
  --navy-3:#1c3355;
  --amber:#E8B547;
  --amber-2:#E8912F;
  --purple:#6c5ce7;
  --blue:#2f6fed;
  --ink:#111827;
  --ink-2:#374151;
  --muted:#6b7280;
  --muted-2:#9ca3af;
  --line:#e6e8ee;
  --bg:#f6f7fb;
  --white:#fff;
  --green:#16a34a;
  --red:#dc2626;
  --sidebar-w:256px;
  --topbar-h:70px;
  --radius:14px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.05), 0 1px 3px rgba(16,24,40,.06);
  --shadow-md:0 4px 16px rgba(16,24,40,.08);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg);color:var(--ink);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  font-size:15px;line-height:1.5;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
svg{display:block}
code{background:#eef1f6;padding:2px 6px;border-radius:5px;font-size:.88em}

/* ---------------- Sidebar ---------------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--navy);color:#c7d2e2;
  display:flex;flex-direction:column;z-index:60;
  transition:transform .3s cubic-bezier(.2,.75,.25,1);
}
.brand{display:flex;align-items:center;gap:11px;padding:18px 18px 20px}
.brand-logo{flex:none;width:38px;height:38px}
.brand-logo svg{width:100%;height:100%}
.brand-name{display:block;font-size:16.5px;font-weight:800;color:#fff;letter-spacing:-.01em;white-space:nowrap}
.brand-name span{font-weight:600;color:#e7edf6}
.brand-mode{display:block;font-size:9.5px;letter-spacing:.14em;color:#7d90ab;font-weight:600;margin-top:1px}
.brand-mode b{color:var(--amber)}

.nav{flex:1;overflow-y:auto;padding:4px 12px 12px;display:flex;flex-direction:column;gap:2px}
.nav::-webkit-scrollbar{width:6px}
.nav::-webkit-scrollbar-thumb{background:#2a3f5f;border-radius:3px}
.nav-item{
  display:flex;align-items:center;gap:12px;width:100%;
  padding:10px 12px;border-radius:10px;
  font-size:14.5px;font-weight:500;color:#c2cfe0;
  transition:background .18s,color .18s;text-align:left;
}
.nav-item svg{flex:none;width:19px;height:19px;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{background:var(--navy-2);color:#fff}
.nav-item.active{background:var(--navy-3);color:#fff;font-weight:600}
.nav-item span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-chev{width:16px!important;height:16px!important;opacity:.55}
.nav-badge{
  flex:none!important;background:var(--red);color:#fff;font-size:11px;font-weight:700;
  min-width:19px;height:19px;border-radius:10px;display:grid;place-items:center;padding:0 5px;
}
.sidebar-foot{padding:12px;border-top:1px solid rgba(255,255,255,.07)}
.nav-item.signout:hover{background:rgba(220,38,38,.14);color:#ffb4b4}
.sidebar-backdrop{
  position:fixed;inset:0;background:rgba(8,15,26,.55);z-index:55;
  opacity:0;visibility:hidden;transition:.3s;
}
.sidebar-backdrop.show{opacity:1;visibility:visible}

/* ---------------- Main / topbar ---------------- */
.main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:40;height:var(--topbar-h);
  background:var(--white);border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:14px;padding:0 24px;
}
.page-title{font-size:22px;font-weight:700;letter-spacing:-.02em}
.topbar-divider{width:1px;height:26px;background:var(--line)}
.topbar-orgicon{color:var(--muted)}
.topbar-orgicon svg{width:19px;height:19px;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}
.select-wrap{position:relative}
.select-wrap select{
  appearance:none;-webkit-appearance:none;
  background:var(--white);border:1px solid var(--line);border-radius:9px;
  padding:9px 34px 9px 13px;font-size:14px;font-weight:500;color:var(--ink-2);
  cursor:pointer;min-width:180px;
}
.select-wrap::after{
  content:"";position:absolute;right:13px;top:50%;width:8px;height:8px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:translateY(-70%) rotate(45deg);pointer-events:none;
}
.select-wrap select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,111,237,.12)}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:36px;height:36px;border-radius:9px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--muted);background:var(--white);
  transition:.18s;
}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{color:var(--ink);border-color:#cfd5e2}
.icon-btn.spin svg{animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.avatar{
  width:36px;height:36px;border-radius:50%;background:var(--navy);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:700;
}
.hamburger{display:none;flex-direction:column;gap:4px;padding:6px}
.hamburger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}

.content{flex:1;padding:26px 24px 60px;max-width:1400px;width:100%}

/* ---------------- Views ---------------- */
.view{display:none;animation:fade .28s ease}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.view-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:24px}
.view-icon{
  flex:none;width:44px;height:44px;border-radius:11px;
  background:#e8f0fe;color:var(--blue);display:grid;place-items:center;
}
.view-icon svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.view-head h2{font-size:23px;font-weight:700;letter-spacing:-.02em;line-height:1.25}
.view-head p{color:var(--muted);font-size:14.5px;margin-top:2px}

/* Tabs */
.tabs{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.tab{
  background:var(--white);border:1px solid var(--line);border-radius:9px;
  padding:9px 20px;font-size:14px;font-weight:600;color:var(--ink-2);
  box-shadow:var(--shadow-sm);transition:.18s;
}
.tab:hover{border-color:#c9d2e3}
.tab.active{color:var(--ink)}

/* ---------------- KPI cards ---------------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}
.kpi{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow-sm);min-height:126px;
  display:flex;flex-direction:column;
}
.kpi-dark{background:var(--navy);border-color:var(--navy);color:#fff}
.kpi-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:auto}
.kpi-label{font-size:14px;font-weight:600;color:var(--ink-2)}
.kpi-dark .kpi-label{color:#dbe4f0}
.kpi-ico{width:20px;height:20px;flex:none;stroke:var(--muted-2);stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}
.kpi-dark .kpi-ico{stroke:#8ba0bd}
.kpi-ico.amber{stroke:var(--amber)}
.kpi-ico.amber.filled{fill:var(--amber);stroke:var(--amber)}
.kpi-value{font-size:31px;font-weight:800;letter-spacing:-.03em;margin-top:14px;line-height:1.1}
.kpi-value small{font-size:15px;font-weight:600;color:var(--muted);letter-spacing:0}
.kpi-dark .kpi-value small{color:#9db0cb}
.kpi-value.purple{color:var(--purple)}
.kpi-sub{font-size:13px;color:var(--muted);margin-top:5px}

/* ---------------- Panel + chart ---------------- */
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 22px 6px}
.panel-head h3{font-size:17px;font-weight:700;letter-spacing:-.01em}
.panel-note{font-size:12.5px;color:var(--muted-2);font-weight:500}
.chart-wrap{padding:8px 12px 18px;overflow-x:auto}
.chart{width:100%;height:300px;min-width:520px}
.chart .grid-line{stroke:#eef0f5;stroke-width:1}
.chart .axis-text{fill:#9ca3af;font-size:13px;font-family:'Inter',sans-serif}
.chart .series-line{fill:none;stroke:var(--blue);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.chart .series-area{fill:url(#areaGrad)}
.chart .dot{fill:#fff;stroke:var(--blue);stroke-width:2.5}

/* ---------------- Empty / info / table ---------------- */
.empty{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:52px 28px;text-align:center;box-shadow:var(--shadow-sm);
}
.empty h4{font-size:17px;font-weight:700;margin-bottom:7px}
.empty p{color:var(--muted);font-size:14.5px;max-width:520px;margin:0 auto}

.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.info-card{
  background:var(--white);border:1px solid var(--line);border-radius:12px;
  padding:17px 19px;box-shadow:var(--shadow-sm);
}
.info-label{display:block;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2);margin-bottom:6px}
.info-value{display:block;font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.45}

.table-wrap{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow-x:auto}
.table{width:100%;border-collapse:collapse;min-width:560px}
.table th{
  text-align:left;font-size:11.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  color:var(--muted);padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.table td{padding:14px 18px;border-bottom:1px solid #f1f3f7;font-size:14.5px}
.table tr:last-child td{border-bottom:0}
.table tbody tr:hover{background:#fafbfd}
.td-empty{text-align:center;color:var(--muted);padding:34px 18px!important}
.pill{display:inline-block;font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:99px;text-transform:capitalize}
.pill-admin{background:rgba(232,181,71,.18);color:#9a6c10}
.pill-staff{background:#e8f0fe;color:#1c4fb5}

/* ---------------- Forms ---------------- */
.form{padding:6px 22px 22px}
.form-row{margin-bottom:15px;max-width:400px}
.form-row label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.form-row input{
  width:100%;padding:11px 13px;font-size:15px;font-family:inherit;
  border:1px solid var(--line);border-radius:9px;background:var(--white);color:var(--ink);
  transition:.18s;
}
.form-row input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,111,237,.13)}
.form-msg{
  padding:11px 14px;border-radius:9px;font-size:13.8px;font-weight:500;margin-bottom:15px;
  background:#fef2f2;color:#b42318;border:1px solid #fee4e2;
}
.form-msg.ok{background:#ecfdf3;color:#067647;border-color:#d1fadf}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:9px;font-size:14.5px;font-weight:600;
  transition:.18s;
}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:#16294a}
.btn-primary:disabled{opacity:.6;cursor:not-allowed}
.btn-block{width:100%}

/* ---------------- FAB + toast ---------------- */
.fab{
  position:fixed;right:26px;bottom:26px;z-index:50;
  width:54px;height:54px;border-radius:50%;background:var(--blue);color:#fff;
  display:grid;place-items:center;box-shadow:0 8px 22px rgba(47,111,237,.4);
  transition:transform .22s,box-shadow .22s;
}
.fab svg{width:24px;height:24px;stroke:currentColor;stroke-width:2.2;fill:none;stroke-linecap:round}
.fab:hover{transform:scale(1.08);box-shadow:0 12px 28px rgba(47,111,237,.5)}

.toast{
  position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:80;
  background:var(--navy);color:#fff;font-size:14px;font-weight:500;
  padding:12px 20px;border-radius:10px;box-shadow:var(--shadow-md);
  max-width:90vw;
}

/* ---------------- Login page ---------------- */
.login-body{
  min-height:100vh;display:grid;place-items:center;padding:24px;
  background:
    radial-gradient(900px 500px at 15% 0%, #16294a 0%, transparent 60%),
    radial-gradient(800px 500px at 100% 100%, #123 0%, transparent 55%),
    var(--navy);
}
.login-card{
  width:100%;max-width:420px;background:var(--white);border-radius:16px;
  overflow:hidden;box-shadow:0 24px 60px rgba(4,10,20,.45);
}
.login-bar{height:5px;background:linear-gradient(90deg,var(--amber),var(--amber-2))}
.login-inner{padding:34px 32px 28px;text-align:center}
.login-logo{display:inline-block;width:52px;height:52px;margin-bottom:14px}
.login-logo svg{width:100%;height:100%}
.login-inner h1{font-size:23px;font-weight:800;letter-spacing:-.02em}
.login-sub{color:var(--muted);font-size:14px;margin:6px 0 22px}
.login-inner form{text-align:left}
.login-inner .form-row{max-width:none}
.login-foot{margin-top:22px;font-size:12px;color:var(--muted-2)}
.pw-wrap{position:relative}
.pw-wrap input{padding-right:44px}
.pw-toggle{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;display:grid;place-items:center;color:var(--muted-2);border-radius:7px;
}
.pw-toggle svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
.pw-toggle:hover{color:var(--ink-2)}

/* ---------------- Responsive ---------------- */
@media (max-width:1120px){
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .sidebar{transform:translateX(-100%);box-shadow:20px 0 60px rgba(0,0,0,.35)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .hamburger{display:flex}
  .topbar{padding:0 16px;gap:10px}
  .page-title{font-size:19px}
  .topbar-divider,.topbar-orgicon{display:none}
  .select-wrap select{min-width:150px}
  .content{padding:20px 16px 60px}
}
@media (max-width:560px){
  .kpi-grid{grid-template-columns:1fr;gap:14px}
  .view-head h2{font-size:20px}
  .select-wrap select{min-width:120px;font-size:13px}
  .fab{right:18px;bottom:18px}
}