:root{
  --bg:#0f1420;
  --bg-alt:#161d2e;
  --card:#1b2436;
  --card-hover:#212c42;
  --border:#2a3549;
  --text:#e8ecf4;
  --text-dim:#93a0b8;
  --accent:#ff8a3d;
  --accent-dim:#ff8a3d22;
  --accent2:#ffc94d;
  --danger:#ff5470;
  --success:#3ddc97;
  --radius:14px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box;margin:0;padding:0;}
body{
  font-family:'Segoe UI',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.5;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}

/* ---------- Top nav ---------- */
.navbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 6%;
  background:linear-gradient(180deg,var(--bg-alt),var(--bg));
  border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:50;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem;letter-spacing:.3px;}
.brand svg{width:28px;height:28px;stroke:var(--accent);fill:none;stroke-width:1.6;}
.brand span.accent{color:var(--accent);}
.brand-logo{width:28px;height:28px;object-fit:contain;flex-shrink:0;}
.navbar nav{display:flex;gap:28px;align-items:center;}
.navbar nav a{color:var(--text-dim);font-weight:500;font-size:.95rem;transition:.2s;}
.navbar nav a:hover{color:var(--text);}
.nav-cta{
  background:var(--accent);color:#161200;padding:9px 18px;border-radius:8px;font-weight:600;
}
.nav-cta:hover{background:var(--accent2);color:#161200;}

/* ---------- Hero ---------- */
.hero{
  padding:70px 6% 50px;
  text-align:center;
  background:
    radial-gradient(circle at 20% 20%, #ff8a3d14, transparent 40%),
    radial-gradient(circle at 80% 0%, #ffc94d12, transparent 40%);
}
.hero h1{font-size:2.4rem;margin-bottom:14px;}
.hero h1 .accent{color:var(--accent);}
.hero p{color:var(--text-dim);max-width:640px;margin:0 auto;font-size:1.05rem;}
.hero-badge{
  display:inline-block;background:var(--accent-dim);color:var(--accent2);
  padding:5px 14px;border-radius:20px;font-size:.78rem;font-weight:700;letter-spacing:.6px;
  text-transform:uppercase;margin-bottom:18px;
}

/* ---------- Section shell ---------- */
.section{padding:50px 6%;max-width:1200px;margin:0 auto;}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:28px;flex-wrap:wrap;gap:10px;}
.section-head h2{font-size:1.6rem;}
.section-head p{color:var(--text-dim);font-size:.92rem;margin-top:4px;}

/* ---------- Solution cards ---------- */
.solutions-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;
}
.solution-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;transition:.2s;display:block;
}
.solution-card:hover{transform:translateY(-3px);background:var(--card-hover);box-shadow:var(--shadow);}
.solution-icon{
  width:46px;height:46px;border-radius:12px;background:var(--accent-dim);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.solution-icon svg{width:24px;height:24px;stroke:var(--accent);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.solution-card h3{font-size:1.05rem;margin-bottom:8px;}
.solution-card p{color:var(--text-dim);font-size:.9rem;}
.see-more{
  display:inline-flex;margin-top:18px;background:var(--accent);color:#161200;
  padding:8px 14px;border-radius:8px;font-size:.8rem;font-weight:700;transition:.2s;
}
.solution-card:hover .see-more{background:var(--accent2);}
.tag{
  display:inline-block;margin-top:14px;font-size:.72rem;font-weight:700;letter-spacing:.4px;
  text-transform:uppercase;color:var(--accent2);background:#ffc94d1a;padding:3px 10px;border-radius:20px;
}
.empty-state{color:var(--text-dim);text-align:center;padding:40px;border:1px dashed var(--border);border-radius:var(--radius);}
.solution-detail{max-width:1000px;margin:0 auto;padding:54px 6% 80px;}
.back-link{display:inline-block;color:var(--accent2);font-size:.9rem;margin-bottom:28px;}
.back-link:hover{color:var(--accent);}
.solution-detail-header{display:flex;align-items:center;gap:18px;margin-bottom:30px;}
.solution-detail-header .solution-icon{margin:0;width:58px;height:58px;}
.solution-detail-header .solution-icon svg{width:30px;height:30px;}
.solution-detail-header h1{font-size:2rem;}
.solution-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.detail-panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;}
.detail-panel h2{font-size:1.15rem;margin-bottom:12px;color:var(--accent2);}
.detail-panel p{color:var(--text-dim);white-space:normal;}
.enrollment-panel{display:grid;grid-template-columns:1.4fr auto auto;align-items:center;gap:28px;margin-top:22px;background:var(--accent-dim);border:1px solid #ff8a3d55;border-radius:var(--radius);padding:24px 28px;}
.enrollment-panel h2{font-size:1.15rem;margin-bottom:5px;}
.enrollment-panel p{color:var(--text-dim);font-size:.9rem;}
.course-price{display:flex;flex-direction:column;align-items:flex-end;white-space:nowrap;}
.course-price span{color:var(--text-dim);font-size:.75rem;text-transform:uppercase;letter-spacing:.4px;}
.course-price strong{color:var(--accent2);font-size:1.35rem;}
.contact-details{display:flex;flex-direction:column;gap:5px;font-size:.88rem;}
.contact-details a{color:var(--text);}.contact-details a:hover{color:var(--accent2);}
.empty-state h1{color:var(--text);margin-bottom:8px;}
.empty-state .btn{margin-top:20px;}
@media (max-width:700px){.solution-detail-grid{grid-template-columns:1fr;}.solution-detail-header h1{font-size:1.5rem;}.enrollment-panel{grid-template-columns:1fr;gap:16px;}.course-price{align-items:flex-start;}}

/* ---------- Calendar ---------- */
.calendar-wrap{
  display:grid;grid-template-columns:1.3fr 1fr;gap:24px;
}
@media (max-width:800px){.calendar-wrap{grid-template-columns:1fr;}}

.calendar{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;
}
.calendar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.calendar-header h3{font-size:1.1rem;}
.cal-nav{display:flex;gap:8px;}
.cal-nav button{
  background:var(--bg-alt);border:1px solid var(--border);color:var(--text);
  width:32px;height:32px;border-radius:8px;cursor:pointer;font-size:1rem;
}
.cal-nav button:hover{background:var(--accent-dim);color:var(--accent2);}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;text-align:center;}
.cal-dow{font-size:.72rem;color:var(--text-dim);font-weight:700;padding-bottom:6px;text-transform:uppercase;}
.cal-day{
  aspect-ratio:1/1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  border-radius:10px;font-size:.85rem;cursor:default;position:relative;color:var(--text-dim);
}
.cal-day.in-month{color:var(--text);}
.cal-day.has-event{background:var(--accent-dim);color:var(--accent2);font-weight:700;cursor:pointer;}
.cal-day.has-event:hover{background:#ff8a3d33;}
.cal-day.today{outline:1.5px solid var(--accent);}
.cal-dot{width:5px;height:5px;border-radius:50%;background:var(--accent);margin-top:2px;}

.event-list{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;
  max-height:420px;overflow-y:auto;
}
.event-list h3{font-size:1.05rem;margin-bottom:14px;}
.event-item{
  border-left:3px solid var(--accent);background:var(--bg-alt);border-radius:0 10px 10px 0;
  padding:12px 14px;margin-bottom:12px;
}
.event-item .ev-date{font-size:.72rem;color:var(--accent2);font-weight:700;text-transform:uppercase;letter-spacing:.4px;}
.event-item h4{font-size:.95rem;margin:4px 0;}
.event-item p{font-size:.83rem;color:var(--text-dim);}
.event-item .ev-meta{font-size:.78rem;color:var(--text-dim);margin-top:6px;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
footer{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  text-align:center;padding:30px 6%;color:var(--text-dim);font-size:.85rem;
  border-top:1px solid var(--border);
}

/* ---------- Auth / login ---------- */
.auth-shell{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(circle at 15% 15%, #ff8a3d1c, transparent 45%),
    radial-gradient(circle at 85% 85%, #ffc94d14, transparent 45%),
    var(--bg);
  padding:20px;
}
.auth-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:38px 34px;width:100%;max-width:380px;box-shadow:var(--shadow);
}
.auth-card .brand{justify-content:center;margin-bottom:6px;}
.auth-card h1{font-size:1.3rem;text-align:center;margin-bottom:4px;}
.auth-card p.sub{text-align:center;color:var(--text-dim);font-size:.85rem;margin-bottom:26px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:.8rem;color:var(--text-dim);margin-bottom:6px;font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;background:var(--bg-alt);border:1px solid var(--border);border-radius:9px;
  padding:11px 13px;color:var(--text);font-size:.92rem;font-family:inherit;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);}
.field textarea{resize:vertical;min-height:80px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:#161200;border:none;padding:11px 20px;border-radius:9px;
  font-weight:700;font-size:.92rem;cursor:pointer;width:100%;transition:.2s;
}
.btn:hover{background:var(--accent2);}
.btn.secondary{background:var(--bg-alt);color:var(--text);border:1px solid var(--border);}
.btn.secondary:hover{background:var(--card-hover);}
.btn.danger{background:var(--danger);color:#1a0006;}
.btn.danger:hover{opacity:.85;}
.btn.small{width:auto;padding:7px 14px;font-size:.8rem;}
.alert{
  padding:11px 14px;border-radius:9px;font-size:.85rem;margin-bottom:16px;
}
.alert.error{background:#ff547022;color:#ff8ba1;border:1px solid #ff547044;}
.alert.success{background:#3ddc9722;color:#7cf0bf;border:1px solid #3ddc9744;}
.demo-hint{
  margin-top:18px;text-align:center;font-size:.78rem;color:var(--text-dim);
  background:var(--bg-alt);border:1px dashed var(--border);border-radius:9px;padding:10px;
}
.report-filter{display:flex;align-items:flex-end;gap:12px;max-width:420px;}
.report-filter .field{flex:1;margin-bottom:0;}
.report-cards{display:grid;grid-template-columns:repeat(2,minmax(0,220px));gap:16px;margin-top:28px;}
.report-card{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:22px;}
.report-card span{display:block;color:var(--text-dim);font-size:.82rem;text-transform:uppercase;letter-spacing:.4px;}
.report-card strong{display:block;color:var(--accent2);font-size:2rem;margin-top:5px;}
.report-note{color:var(--text-dim);font-size:.82rem;margin-top:22px;}
@media (max-width:600px){.report-filter{align-items:stretch;flex-direction:column;}.report-cards{grid-template-columns:1fr;}}

/* ---------- Admin layout ---------- */
.admin-shell{display:flex;min-height:100vh;}
.sidebar{
  width:230px;background:var(--bg-alt);border-right:1px solid var(--border);
  padding:24px 16px;display:flex;flex-direction:column;flex-shrink:0;
}
.sidebar .brand{margin-bottom:30px;padding:0 8px;flex-direction:column;align-items:flex-start;gap:8px;font-size:1rem;line-height:1.3;}
.sidebar .brand .brand-logo{width:26px;height:26px;}
.sidebar-link{
  display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:9px;
  color:var(--text-dim);font-weight:600;font-size:.9rem;margin-bottom:4px;cursor:pointer;border:none;
  background:none;width:100%;text-align:left;font-family:inherit;
}
.sidebar-link:hover{background:var(--card);color:var(--text);}
.sidebar-link.active{background:var(--accent-dim);color:var(--accent2);}
.sidebar-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--border);}
.admin-main{flex:1;padding:32px 5%;max-width:1100px;}
.admin-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px;}
.admin-topbar h1{font-size:1.4rem;}
.admin-topbar .who{font-size:.85rem;color:var(--text-dim);}

.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;margin-bottom:26px;}
.panel h2{font-size:1.05rem;margin-bottom:18px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media (max-width:640px){.form-row{grid-template-columns:1fr;}}

table.data-table{width:100%;border-collapse:collapse;font-size:.88rem;}
table.data-table th{
  text-align:left;color:var(--text-dim);font-size:.75rem;text-transform:uppercase;
  letter-spacing:.4px;padding:10px 12px;border-bottom:1px solid var(--border);
}
table.data-table td{padding:12px;border-bottom:1px solid var(--border);vertical-align:top;}
table.data-table tr:last-child td{border-bottom:none;}
.row-actions{display:flex;gap:8px;}
.icon-btn{
  background:var(--bg-alt);border:1px solid var(--border);color:var(--text-dim);
  padding:6px 10px;border-radius:7px;cursor:pointer;font-size:.8rem;
}
.icon-btn:hover{color:var(--danger);border-color:var(--danger);}
.desc-cell{color:var(--text-dim);max-width:280px;}
.tab-panels{display:none;}
.tab-panels.active{display:block;}