:root{
  --green:#00ff7f;
  --green-soft:#00e676;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html, body { height: 100%; }

body{
  font-family: Outfit, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(circle at 50% 40%, #003b2f 0%, #001a14 60%, #000 100%);
  color: #fff;
  min-height: 100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow-x: hidden;
}

/* Taustaglow */
.bg-glow{
  position:fixed;
  inset:-20%;
  background:
    radial-gradient(circle at 30% 60%, rgba(0,255,127,.22), transparent 50%),
    radial-gradient(circle at 70% 40%, rgba(0,230,118,.18), transparent 55%);
  filter: blur(40px);
  pointer-events:none;
  z-index: 0;
}

/* Layout */
.hero{
  width:1100px;
  max-width:95vw;
  display:grid;
  grid-template-columns:420px 1fr;
  align-items:center;
  gap:40px;
  position: relative;
  z-index: 1;
}

.soldier{
  position: relative;
  z-index: 1;
}

.soldier img{
  width:100%;
  height:auto;
  display:block;
  filter:
    drop-shadow(0 0 25px var(--green))
    drop-shadow(0 0 60px var(--green));
}

.content{
  text-align:center;
  position: relative;
  z-index: 1;
}

.logo{
  font-size:72px;
  font-weight:800;
  letter-spacing:1px;
  color:var(--green);
  text-shadow:
    0 0 10px var(--green),
    0 0 25px var(--green),
    0 0 55px var(--green-soft);
  margin-bottom:30px;
}

.cta{
  display:flex;
  gap:18px;
  justify-content:center;
  margin-bottom:20px;
}

.btn{
  padding:14px 32px;
  border-radius:999px;
  font-weight:600;
  border:2px solid var(--green);
  background:transparent;
  color:#fff;
  cursor:pointer;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}

.btn.primary{
  background:var(--green);
  color:#00241c;
  box-shadow:0 0 20px var(--green);
}

.btn:hover{
  transform:translateY(-2px);
  box-shadow:0 0 18px var(--green);
}

.subtitle{
  color:#c8ffe8;
  opacity:.85;
  font-size:18px;
  margin-top:6px;
}

/* MODAL */
.modal{
  border:none;
  padding:0;
  background:transparent;

  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 9999;
}

.modal::backdrop{
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(3px);
}

.modal-card{
  width:min(420px, 92vw);
  background: rgba(0, 26, 20, .92);
  border: 1px solid rgba(0,255,127,.35);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 0 30px rgba(0,255,127,.2);
  color: #fff;
}

.modal-card h2{
  margin-bottom:12px;
  color:var(--green);
  text-shadow:0 0 12px rgba(0,255,127,.55);
}

.modal-card label{
  display:block;
  margin:10px 0;
  font-size:14px;
  opacity:.95;
}

.modal-card input{
  width:100%;
  margin-top:6px;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid rgba(0,255,127,.25);
  background:rgba(0,0,0,.35);
  color:#fff;
  outline:none;
}

.modal-card input:focus{
  border-color: rgba(0,255,127,.6);
  box-shadow: 0 0 0 3px rgba(0,255,127,.12);
}

.modal-actions{
  display:flex;
  gap:12px;
  justify-content:flex-end;
  margin-top:14px;
}

/* Responsiivinen */
@media (max-width:900px){
  .hero{
    grid-template-columns:1fr;
    text-align:center;
  }
  .soldier{ order:-1; }
  .logo{ font-size:56px; }
}


/* ===== APP (kirjautunut) ===== */

.app-header{
  width: min(1200px, 95vw);
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 22px 8px 10px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.app-title{
  font-size: 28px;
  font-weight: 800;
  color: var(--green);
  text-shadow: 0 0 10px var(--green), 0 0 22px var(--green-soft);
}

.app-sub{
  opacity: .85;
  margin-top: 2px;
  color: #c8ffe8;
}

.app-actions{
  display:flex;
  align-items:center;
  gap:12px;
}

.chip{
  border: 1px solid rgba(0,255,127,.35);
  background: rgba(0,0,0,.25);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 14px;
  color: #c8ffe8;
}

.app{
  width: min(1200px, 95vw);
  margin: 0 auto 40px;
  display:grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.sidebar{
  background: rgba(0,0,0,.20);
  border: 1px solid rgba(0,255,127,.18);
  border-radius: 18px;
  padding: 10px;
  height: fit-content;
  box-shadow: 0 0 22px rgba(0,255,127,.08);
}

.nav-item{
  width:100%;
  text-align:left;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: transparent;
  color: #fff;
  cursor:pointer;
  font-weight:600;
  opacity: .9;
}

.nav-item:hover{
  border-color: rgba(0,255,127,.25);
  box-shadow: 0 0 14px rgba(0,255,127,.12);
}

.nav-item.active{
  border-color: rgba(0,255,127,.40);
  background: rgba(0,255,127,.08);
}

.panel{
  background: rgba(0,0,0,.20);
  border: 1px solid rgba(0,255,127,.18);
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 0 22px rgba(0,255,127,.08);
  min-height: 520px;
}

.panel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.panel h1{
  font-size: 22px;
  color: var(--green);
  text-shadow: 0 0 10px rgba(0,255,127,.35);
}

.search{
  width: min(360px, 55vw);
  padding: 12px 12px;
  border-radius: 12px;
  border:1px solid rgba(0,255,127,.20);
  background: rgba(0,0,0,.35);
  color:#fff;
  outline:none;
}

.search:focus{
  border-color: rgba(0,255,127,.55);
  box-shadow: 0 0 0 3px rgba(0,255,127,.10);
}

.thread-list{
  display:flex;
  flex-direction:column;
  gap: 10px;
}

.thread{
  border:1px solid rgba(0,255,127,.14);
  background: rgba(0,0,0,.18);
  border-radius: 16px;
  padding: 12px;
  cursor:pointer;
}

.thread:hover{
  border-color: rgba(0,255,127,.35);
  box-shadow: 0 0 14px rgba(0,255,127,.10);
}

.thread .t-title{
  font-weight: 800;
  margin-bottom: 6px;
}

.thread .t-meta{
  opacity:.75;
  font-size: 13px;
  color:#c8ffe8;
}

.new-thread{
  display:flex;
  flex-direction:column;
  gap: 12px;
}

.field{
  width:100%;
  margin-top:6px;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid rgba(0,255,127,.20);
  background: rgba(0,0,0,.35);
  color:#fff;
  outline:none;
  resize: vertical;
}

.field:focus{
  border-color: rgba(0,255,127,.55);
  box-shadow: 0 0 0 3px rgba(0,255,127,.10);
}

.row{
  display:flex;
  gap: 12px;
  justify-content:flex-end;
}

.muted{ opacity:.75; color:#c8ffe8; }

.hidden{ display:none; }

@media (max-width: 900px){
  .app{ grid-template-columns: 1fr; }
  .sidebar{ display:flex; gap:8px; overflow:auto; }
  .nav-item{ white-space:nowrap; width:auto; }
}