:root{
  --bg:#0b0f14;
  --bg2:#0b0f14;

  --panel:#121826;
  --panel2:#0f1523;

  --text:#e6eaf2;
  --muted:#9aa4b2;

  /* YOUR ORIGINAL BLUE PALETTE */
  --accent:#00c2ff;
  --accent2:#5b7cff;

  --border: rgba(255,255,255,.10);
  --shadow: 0 18px 40px rgba(0,0,0,.35);
  --glow: 0 0 0 1px rgba(0,194,255,.22), 0 22px 70px rgba(0,194,255,.10);
}

html[data-theme="light"]{
  --bg:#f5f7fb;
  --bg2:#ffffff;
  --panel:#ffffff;
  --panel2:#ffffff;
  --text:#0f172a;
  --muted:#5b6472;
  --border: rgba(15,23,42,.10);
  --shadow: 0 18px 50px rgba(15,23,42,.10);
  --glow: 0 0 0 1px rgba(0,194,255,.18), 0 18px 50px rgba(0,194,255,.10);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);

  background:
    radial-gradient(900px 450px at 50% -10%, rgba(18,32,54,.75), transparent 60%),
    radial-gradient(900px 650px at 0% 45%, rgba(0,194,255,.12), transparent 60%),
    radial-gradient(900px 650px at 100% 45%, rgba(91,124,255,.10), transparent 60%),
    radial-gradient(1400px 900px at 50% 55%, transparent 55%, rgba(0,0,0,.45) 100%),
    var(--bg);
}

/* APP LAYOUT */
.app{
  min-height:100vh;
  display:grid;
  grid-template-columns: 290px 1fr;
}

/* SIDEBAR */
.sidebar{
  position: sticky;
  top:0;
  height: 100vh;
  display:flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px 16px;
  border-right: 1px solid var(--border);
  background: rgba(11,15,20,.65);
  backdrop-filter: blur(10px);
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding: 10px 10px 12px;
  border-radius: 16px;
}

.brand-badge{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  border-radius: 14px;
  font-weight: 800;
  letter-spacing:.12em;
  font-size: 12px;
  color: #061019;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 18px 40px rgba(0,194,255,.16);
}

.brand-text{ line-height:1.15; }
.brand-name{ font-weight: 750; font-size: 14px; }
.brand-sub{ color: var(--muted); font-size: 12px; margin-top: 3px; }

.side-nav{
  margin-top: 10px;
  display:flex;
  flex-direction: column;
  gap: 10px;
}

.side-link{
  width:100%;
  display:flex;
  align-items:center;
  gap: 10px;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  cursor:pointer;
  text-align:left;
  transition: .18s ease;
}

.side-ico{
  width:18px;
  height:18px;
  display:grid;
  place-items:center;
  flex: 0 0 18px;
}
.side-ico svg{ width:18px; height:18px; }

.side-link:hover{
  color: var(--text);
  background: rgba(18,24,38,.55);
  border-color: var(--border);
}

.side-link.active{
  color: var(--text);
  background: rgba(18,24,38,.75);
  border-color: rgba(0,194,255,.22);
  box-shadow: var(--glow);
}

.sidebar-bottom{
  display:flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 10px;
}

/* MAIN */
.main{
  min-width: 0;
  padding: 18px 22px;
}

.topbar{
  position: sticky;
  top:0;
  z-index: 20;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background:
    radial-gradient(900px 240px at 30% -20%, rgba(0,194,255,.20), transparent 55%),
    rgba(11,15,20,.55);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.crumbs{
  display:flex;
  align-items:center;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
}
.crumb-current{
  color: rgba(230,234,242,1);
  font-weight: 650;
}

.top-actions{
  display:flex;
  gap: 10px;
  align-items:center;
}
.top-icon{
  width: 40px;
  height: 40px;
  display:grid;
  place-items:center;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(18,24,38,.55);
  color: var(--text);
  text-decoration:none;
  transition:.18s ease;
}
.top-icon:hover{
  transform: translateY(-2px);
  box-shadow: var(--glow);
}
.top-icon svg{ width:18px; height:18px; }

.content{
  padding: 22px 4px 40px;
}

.page-panel{ display:none; }
.page-panel.show{ display:block; }

/* PANELS */
.panel{
  border: 1px solid var(--border);
  background: rgba(18,24,38,.72);
  border-radius: 22px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.hero-card{
  border: 1px solid var(--border);
  background:
    radial-gradient(900px 500px at 80% 10%, rgba(0,194,255,.18), transparent 55%),
    rgba(18,24,38,.72);
  border-radius: 24px;
  padding: 30px 26px;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
}

h1{
  margin: 0 0 10px;
  font-size: clamp(28px, 3.3vw, 42px);
  letter-spacing: -.02em;
}
h2{ margin: 18px 0 10px; font-size: 20px; }
h3{ margin: 0 0 10px; font-size: 16px; }

p{ margin: 0; line-height: 1.65; }
.muted{ color: var(--muted); }
.lead{ margin-top: 6px; }

.hero-card p{
  color: rgba(154,164,178,.95);
  max-width: 900px;
}

.hero-cta{ margin-top: 16px; }

.grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.tile{
  border: 1px solid var(--border);
  background: rgba(18,24,38,.72);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
  transition: .18s ease;
}

.tile:hover{
  transform: translateY(-4px);
  border-color: rgba(0,194,255,.20);
  box-shadow: var(--shadow), var(--glow);
}

.tile-accent{
  background:
    radial-gradient(700px 350px at 70% 20%, rgba(0,194,255,.18), transparent 55%),
    rgba(18,24,38,.72);
  border-color: rgba(0,194,255,.18);
}

.tile-top{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.tile-title{
  font-weight: 760;
  letter-spacing: -.01em;
}

.tile-badge{
  font-size: 11px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0,194,255,.20);
  color: rgba(0,194,255,.95);
  background: rgba(15,21,35,.65);
}

.tile-meta{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.chip{
  font-size: 11px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: rgba(0,194,255,.80);
  background: rgba(15,21,35,.60);
}

.tile-text{
  color: var(--muted);
  line-height: 1.65;
}

.tile-foot{
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
}

.tile.link{
  text-decoration:none;
  color: inherit;
  display:block;
}

.two-col{
  margin-top: 16px;
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.three-col{
  margin-top: 16px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.card-soft{
  border: 1px solid var(--border);
  background: rgba(18,24,38,.72);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.mini-card{
  border: 1px solid var(--border);
  background: rgba(18,24,38,.78);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.mini-title{ font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.mini-text{ font-weight: 650; }

.bullets{
  margin: 10px 0 0;
  padding-left: 18px;
}
.bullets li{
  margin: 8px 0;
  color: var(--muted);
}

.list{
  list-style:none;
  padding: 0;
  margin: 12px 0 0;
  display:flex;
  flex-direction: column;
  gap: 10px;
}
.list li{
  display:flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(15,21,35,.60);
}
.label{ color: var(--muted); font-size: 12px; }
.value{ font-weight: 650; }

.inline-link{
  color: rgba(0,194,255,.95);
  text-decoration: none;
}
.inline-link:hover{ text-decoration: underline; }

.footerline{
  margin-top: 18px;
  text-align:center;
  color: var(--muted);
  font-size: 12px;
}

/* BUTTONS */
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 18px;
  border-radius:14px;
  text-decoration:none;
  font-size:13px;
  border:1px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  overflow:hidden;
  cursor:pointer;
}

.btn.small{ padding:9px 12px; border-radius:12px; font-size:12px; }

.primary{
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color:#061019;
  box-shadow: 0 14px 30px rgba(0,194,255,.18);
}
.primary:hover{
  transform: translateY(-2px);
  box-shadow: 0 20px 44px rgba(0,194,255,.22);
}

.ghost{
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.ghost:hover{
  transform: translateY(-2px);
  border-color: rgba(0,194,255,.25);
  box-shadow: var(--glow);
}

.icon-btn{
  width: 42px;
  height: 42px;
  display:grid;
  place-items:center;
  border-radius: 14px;
  border:1px solid var(--border);
  background: rgba(18,24,38,.55);
  color: var(--text);
  cursor:pointer;
  transition:.18s ease;
}
.icon-btn:hover{
  transform: translateY(-2px);
  box-shadow: var(--glow);
}

/* RIPPLE */
.btn .ripple{
  position:absolute;
  border-radius:999px;
  transform: translate(-50%, -50%);
  pointer-events:none;
  opacity:.75;
  background: rgba(255,255,255,.35);
  animation: ripple .55s ease-out forwards;
}
@keyframes ripple{
  from{ width:0; height:0; }
  to{ width:420px; height:420px; opacity:0; }
}

/* FUTURE */
.future{ margin-top: 16px; }
.hide{ display:none; }

/* RESPONSIVE */
@media (max-width: 980px){
  .app{ grid-template-columns: 1fr; }
  .sidebar{
    position: sticky;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }
  .sidebar-top{ display:flex; align-items:center; gap: 10px; }
  .brand-text{ display:none; }
  .side-nav{
    margin-top:0;
    flex-direction: row;
    overflow:auto;
    gap: 8px;
    padding: 0 8px;
  }
  .side-link{
    width: auto;
    white-space: nowrap;
    padding: 10px 12px;
  }
  .sidebar-bottom{
    flex-direction: row;
    padding-top: 0;
  }
  .two-col{ grid-template-columns: 1fr; }
  .three-col{ grid-template-columns: 1fr; }
}