/* ATECH Dark Theme (full) + Space Background (moving stars) */

:root{
  --bg: #0b0f14;
  --bg2:#0a1320;
  --surface: rgba(17, 24, 39, 0.72);
  --surface2: rgba(17, 24, 39, 0.55);
  --border: rgba(148, 163, 184, 0.18);

  --text: #e5e7eb;
  --muted: rgba(229, 231, 235, 0.70);

  --accent: #22d3ee;
  --accent2:#60a5fa;

  --shadow: 0 18px 60px rgba(0,0,0,.55);
  --radius: 18px;
  --radius2: 12px;

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

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

/* ===== SPACE BACKGROUND ===== */
body{
  margin:0;
  font-family: var(--font);
  color: var(--text);

  background:
    radial-gradient(1200px 700px at 18% 10%, rgba(34,211,238,.22), transparent 55%),
    radial-gradient(1000px 650px at 82% 25%, rgba(96,165,250,.18), transparent 60%),
    radial-gradient(900px 600px at 40% 92%, rgba(168,85,247,.10), transparent 60%),
    radial-gradient(700px 480px at 70% 85%, rgba(34,211,238,.10), transparent 62%),
    linear-gradient(180deg, #05070b 0%, #070b14 45%, #05070b 100%);

  position: relative;
  overflow-x: hidden;
}

/* Star field layer (MOVES SLOWLY) */
body::before{
  content:"";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .55;

  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,.85) 50%, transparent 55%),
    radial-gradient(1px 1px at 30% 80%, rgba(255,255,255,.60) 50%, transparent 55%),
    radial-gradient(1px 1px at 50% 30%, rgba(255,255,255,.75) 50%, transparent 55%),
    radial-gradient(1px 1px at 70% 60%, rgba(255,255,255,.60) 50%, transparent 55%),
    radial-gradient(1px 1px at 90% 25%, rgba(255,255,255,.75) 50%, transparent 55%),

    radial-gradient(1px 1px at 15% 55%, rgba(255,255,255,.55) 50%, transparent 55%),
    radial-gradient(1px 1px at 38% 15%, rgba(255,255,255,.55) 50%, transparent 55%),
    radial-gradient(1px 1px at 58% 78%, rgba(255,255,255,.55) 50%, transparent 55%),
    radial-gradient(1px 1px at 78% 42%, rgba(255,255,255,.55) 50%, transparent 55%),
    radial-gradient(1px 1px at 92% 70%, rgba(255,255,255,.55) 50%, transparent 55%);

  /* Repeat pattern so it looks like a big starfield */
  background-size: 480px 480px;
  filter: blur(.12px);
  transform: translate3d(0,0,0);
  will-change: transform, opacity;

  /* Slow drift + soft twinkle */
  animation:
    starDrift 95s linear infinite,
    starTwinkle 7.5s ease-in-out infinite;
}

/* Nebula shimmer layer (slow drifting glow) */
body::after{
  content:"";
  position: fixed;
  inset: -20%;
  pointer-events:none;

  background:
    radial-gradient(800px 420px at 25% 25%, rgba(34,211,238,.12), transparent 60%),
    radial-gradient(900px 520px at 70% 30%, rgba(96,165,250,.10), transparent 62%),
    radial-gradient(700px 420px at 60% 80%, rgba(168,85,247,.09), transparent 62%);

  mix-blend-mode: screen;
  opacity: .9;
  will-change: transform;
  animation: nebulaDrift 32s ease-in-out infinite;
}

/* Slow movement of stars across the screen */
@keyframes starDrift{
  0%   { transform: translate3d(0,0,0); }
  100% { transform: translate3d(-70px, 45px, 0); }
}

/* Small twinkle so it feels alive */
@keyframes starTwinkle{
  0%   { opacity: .42; }
  50%  { opacity: .68; }
  100% { opacity: .48; }
}

@keyframes nebulaDrift{
  0%   { transform: translate3d(0,0,0) rotate(0deg); }
  50%  { transform: translate3d(18px,-10px,0) rotate(1.2deg); }
  100% { transform: translate3d(0,0,0) rotate(0deg); }
}

/* Respect reduced motion settings */
@media (prefers-reduced-motion: reduce){
  body::before, body::after{ animation: none !important; }
}

/* ===== Components ===== */

a{ color: var(--accent); text-decoration:none; }
a:hover{ text-decoration:underline; }

.card{
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface), var(--surface2));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
}

.card::before{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(600px 180px at 20% 0%, rgba(34,211,238,.16), transparent 70%),
              radial-gradient(600px 220px at 80% 0%, rgba(96,165,250,.12), transparent 70%);
  pointer-events:none;
}

.pad{ position:relative; padding: 26px; }

.form-title{
  margin: 10px 0 6px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing:.2px;
}
.form-sub{
  margin:0 0 18px;
  color: var(--muted);
  font-size: 13px;
}

.field{
  display:flex;
  flex-direction:column;
  gap: 6px;
  margin-bottom: 12px;
}

label{
  font-size: 12px;
  color: rgba(229,231,235,.85);
}

.input{
  display:flex;
  align-items:center;
  gap: 8px;
  border: 1px solid var(--border);
  background: rgba(2,6,23,.35);
  border-radius: 12px;
  padding: 10px 12px;
}

.input input{
  width:100%;
  border:none;
  outline:none;
  background: transparent;
  color: var(--text);
  font-size: 14px;
}

.btn{
  width:100%;
  border:none;
  cursor:pointer;
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 800;
  font-size: 14px;
  color: #06101a;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 10px 28px rgba(34,211,238,.16);
  transition: transform .08s ease, filter .15s ease;
}
.btn:active{ transform: translateY(1px); }
.btn:disabled{ opacity: .7; cursor:not-allowed; }

.subbtn{
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow:none;
}

.atech-inline-btn{
  width:auto;
  padding:8px 10px;
  border-radius:10px;
}

.footer{
  margin-top: 16px;
  color: var(--muted);
  font-size: 12px;
  text-align:center;
}

.toast{
  display:none;
  margin-top: 12px;
  border: 1px solid var(--border);
  background: rgba(2,6,23,.35);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--muted);
}
.toast.ok{ border-color: rgba(52,211,153,.35); }
.toast.err{ border-color: rgba(251,113,133,.35); color: rgba(251,113,133,.95); }

.spin{
  width: 14px; height:14px;
  border-radius:50%;
  border: 2px solid rgba(6,16,26,.35);
  border-top-color: rgba(6,16,26,.95);
  display:inline-block;
  vertical-align: middle;
  margin-right: 8px;
  animation: sp 0.75s linear infinite;
}
@keyframes sp { to{ transform: rotate(360deg); } }

/* ===== Header + Layout (same width as card) ===== */

.atech-topbar{
  width: min(520px, calc(100% - 32px));
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: radial-gradient(900px 220px at 25% 0%, rgba(34,211,238,.18), transparent 65%),
              linear-gradient(180deg, rgba(17,24,39,.78), rgba(17,24,39,.55));
  box-shadow: 0 18px 60px rgba(0,0,0,.55);
  overflow:hidden;
}

.atech-topbar-inner{
  display:flex;
  align-items:center;
  gap: 12px;
  padding: 18px 20px;
}

.atech-badge{
  width: 38px;
  height: 38px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  background: linear-gradient(135deg, rgba(34,211,238,.22), rgba(96,165,250,.18));
  border: 1px solid rgba(34,211,238,.25);
}

.atech-title-main{
  font-weight: 900;
  letter-spacing: .2px;
  font-size: 18px;
  line-height: 1.15;
}

.atech-title-sub{
  margin-top: 2px;
  font-size: 13px;
  color: rgba(229,231,235,.70);
}

.atech-page{
  width: min(520px, calc(100% - 32px));
  display:flex;
  justify-content:center;
}

.atech-login-card{
  width: 100%;
}

/* ===== Center header + login vertically & horizontally ===== */

.atech-center-wrap{
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 14px;
  padding: 24px 16px;
}

/* Ensure no extra margins break centering */
.atech-topbar{ margin: 0 !important; }
.atech-page{ margin: 0 !important; }