:root{
  --bg:#020617;
  --bg2:#050b17;
  --card:rgba(15,23,42,.85);
  --line:rgba(148,163,184,.35);
  --text:#e5e7eb;
  --muted:#9ca3af;
  --accent:#a855f7;
  --accent2:#22c55e;
  --danger:#ef4444;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --radius:22px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(168,85,247,.18), transparent 30%),
    radial-gradient(circle at bottom right, rgba(34,197,94,.12), transparent 30%),
    linear-gradient(180deg,var(--bg),var(--bg2));
  min-height:100vh;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{width:min(1120px,92vw);margin:0 auto}

/* nav */

.nav{
  position:sticky;top:0;z-index:40;
  backdrop-filter:blur(18px);
  background:rgba(2,6,23,.88);
  border-bottom:1px solid rgba(15,23,42,.85);
}
.nav__inner{
  display:flex;align-items:center;justify-content:space-between;
  min-height:72px;gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem}
.brand__logo{width:34px;height:34px;border-radius:999px}
.nav__links{display:flex;align-items:center;gap:18px}
.nav__links a{font-size:.95rem;color:var(--muted);transition:color .18s ease,transform .18s ease}
.nav__links a:hover{color:var(--text);transform:translateY(-1px)}
.nav__toggle{display:none;background:none;border:0;color:var(--text);font-size:1.6rem}

/* hero */

.hero{
  display:grid;grid-template-columns:1.2fr .8fr;gap:28px;
  align-items:center;padding:72px 0 48px;
}
.hero__content h1{
  font-size:clamp(2.4rem,5vw,4.6rem);
  line-height:1.02;
  letter-spacing:-.04em;
  margin:.3em 0;
}
.hero__content p{color:var(--muted);font-size:1.03rem;line-height:1.7}
.eyebrow{
  color:#c4b5fd;text-transform:uppercase;
  letter-spacing:.24em;font-size:.78rem;font-weight:700;
}
.hero__actions{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;
}

/* cards */

.hero__card,.card,.auth__form{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
}
.hero__card{
  padding:24px 22px;
  display:grid;
  gap:12px;
}
.hero__logo{width:96px;height:96px;border-radius:24px;margin-bottom:6px}
.stat{
  display:flex;justify-content:space-between;gap:16px;
  padding:10px 0;border-top:1px solid var(--line);
  font-size:.9rem;
}

/* grids */

.grid-3,.grid-2{
  display:grid;gap:18px;padding-bottom:38px;
}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{padding:22px}

/* page + auth */

.page{padding:48px 0}
.auth{
  padding:56px 0;
  display:grid;
  place-items:center;
}
.auth__form{
  width:min(460px,100%);
  padding:24px 22px;
  display:grid;
  gap:10px;
}

/* form */

label{
  font-size:.9rem;
  color:var(--muted);
  margin-top:6px;
}
input{
  width:100%;
  padding:13px 14px;
  border-radius:16px;
  border:1px solid var(--line);
  background:rgba(15,23,42,.9);
  color:var(--text);
  outline:none;
  font-size:.95rem;
}
input:focus{
  border-color:rgba(168,85,247,.8);
  box-shadow:0 0 0 3px rgba(168,85,247,.22);
}

/* buttons */

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 18px;
  border-radius:999px;
  border:1px solid transparent;
  background:linear-gradient(135deg,var(--accent),#7c3aed);
  color:white;
  font-weight:700;
  font-size:.95rem;
  cursor:pointer;
  transition:.22s ease;
  box-shadow:0 15px 30px rgba(168,85,247,.3);
}
.btn:hover{
  transform:translateY(-1px) scale(1.01);
  filter:brightness(1.05);
}
.btn--ghost{
  background:transparent;
  border-color:var(--line);
  box-shadow:none;
}
.btn--small{
  padding:9px 15px;
  font-size:.85rem;
}
.btn--danger{
  background:linear-gradient(135deg,var(--danger),#b91c1c);
}

/* misc */

.error{
  color:#fecaca;
  background:rgba(239,68,68,.14);
  border-radius:14px;
  padding:10px 12px;
  font-size:.9rem;
}

.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{
  padding:10px 12px;
  border-bottom:1px solid var(--line);
}
th{color:#cbd5e1;font-weight:600;text-align:left}
.dashboard-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 0 24px;
}

/* animations */

.reveal{
  opacity:0;
  transform:translateY(18px);
}
.reveal.reveal-active{
  opacity:1;
  transform:translateY(0);
  transition:opacity .6s ease,transform .6s ease;
}
.floating{
  animation:float 6s ease-in-out infinite;
}
@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-8px)}
}

.center{text-align:center}

/* responsive */

@media (max-width:900px){
  .hero{
    grid-template-columns:1fr;
    padding:52px 0 36px;
  }
  .grid-3,.grid-2{
    grid-template-columns:1fr;
  }

  .nav__toggle{display:block}
  .nav__links{
    display:none;
    position:absolute;
    left:4vw;right:4vw;top:72px;
    flex-direction:column;
    align-items:stretch;
    padding:14px;
    background:rgba(15,23,42,.96);
    border-radius:18px;
    border:1px solid var(--line);
  }
  .nav__links a{
    padding:9px 10px;
  }
  .nav__links.open{display:flex}

  .dashboard-top{
    flex-direction:column;
    align-items:flex-start;
  }
}

.dashboard-tabs{
  display:inline-flex;
  gap:6px;
  padding:4px;
  border-radius:999px;
  background:rgba(15,23,42,.9);
  border:1px solid rgba(148,163,184,.35);
}
.dashboard-tabs a{
  font-size:.8rem;
  padding:6px 12px;
  border-radius:999px;
  color:var(--muted);
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.dashboard-tabs a:hover{
  color:var(--text);
  transform:translateY(-1px);
}
.dashboard-tabs a.tab-active{
  background:linear-gradient(135deg,var(--accent),#7c3aed);
  color:#f9fafb;
}

/* optional: align the tabs to the right on desktop and below title on mobile */
.dashboard-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 0 24px;
}

@media (max-width:900px){
  .dashboard-top{
    flex-direction:column;
    align-items:flex-start;
  }
}
.users-header{
  display:flex;
  justify-content:flex-end;
  margin-bottom:10px;
}

.muted{color:var(--muted);font-size:.95rem}

.useful-header{
  border-radius:24px;
  padding:22px 24px 18px;
  margin-bottom:16px;
}

.useful-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}

.useful-card{
  padding:20px 18px;
}

.useful-card h3{
  margin-bottom:4px;
}
.useful-card .muted{
  margin-bottom:8px;
}

.useful-list{
  list-style:disc;
  margin-top:6px;
  padding-left:18px;
}
.useful-list li{
  margin-bottom:4px;
}
.useful-list a{
  color:#c4b5fd;
  font-size:.9rem;
}
.useful-list a:hover{
  text-decoration:underline;
}

/* mobile tweak */
@media (max-width:900px){
  .useful-grid{
    grid-template-columns:1fr;
  }
}




.projects-grid{
  margin-top:18px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}

.project-card{
  padding:20px 18px;
}

.project-card__header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:8px;
  margin-bottom:4px;
}

.project-chip{
  font-size:.75rem;
  text-transform:uppercase;
  letter-spacing:.12em;
  padding:4px 8px;
  border-radius:999px;
  background:rgba(15,23,42,.9);
  border:1px solid var(--line);
  color:var(--muted);
}

.project-meta{
  font-size:.85rem;
  color:var(--muted);
  margin-bottom:6px;
}

.project-btn{
  margin-top:10px;
}

/* mobile layout */
@media (max-width:900px){
  .projects-grid{
    grid-template-columns:1fr;
  }
}