*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #080808;
  --surface: #111111;
  --border: #1e1e1e;
  --border-hover: #303030;
  --text-primary: #f0ede8;
  --text-muted: #484848;
  --text-dim: #2a2a2a;
  --accent: #c8b89a;
  --error: #c87a7a;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  overflow: hidden;
}

/* — grain overlay — */
.grain {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0; opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 200px;
}

/* — header — */
header {
  position: fixed; top: 0; left: 0; right: 0;
  padding: 2rem 2.5rem;
  display: flex; justify-content: space-between; align-items: center;
  z-index: 10;
  opacity: 0; animation: fadein 1s 0.2s ease forwards;
}

.logo {
  font-family: 'Syne', sans-serif; font-size: 1rem; font-weight: 700;
  letter-spacing: 0.18em; color: var(--text-primary);
  text-transform: uppercase; text-decoration: none;
}

nav { display: flex; gap: 2rem; }

nav a {
  font-size: 0.65rem; letter-spacing: 0.12em;
  color: var(--text-muted); text-decoration: none;
  text-transform: uppercase; transition: color 0.2s;
}
nav a:hover { color: var(--text-primary); }

/* — main — */
.wrapper {
  position: relative; z-index: 1; height: 100vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 2rem;
}

.center {
  display: flex; flex-direction: column;
  align-items: center; gap: 2rem; text-align: center;
}

.eyebrow {
  font-size: 0.65rem; letter-spacing: 0.2em;
  color: var(--text-muted); text-transform: uppercase;
  opacity: 0; animation: fadein 1s 0.5s ease forwards;
}

h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700; letter-spacing: -0.03em; line-height: 1.0;
  color: var(--text-primary);
  opacity: 0; animation: slidein 1s 0.6s cubic-bezier(0.16,1,0.3,1) forwards;
}
h1 em { font-style: normal; color: var(--accent); }

.tagline {
  font-size: 0.72rem; letter-spacing: 0.06em;
  color: var(--text-muted); line-height: 1.8; max-width: 360px;
  opacity: 0; animation: fadein 1s 0.9s ease forwards;
}

/* — login block — */
.login-block {
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
  width: 280px;
  opacity: 0; animation: fadein 1s 1.1s ease forwards;
}

.divider {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, transparent, var(--border), transparent);
  transition: height 0.4s ease, opacity 0.4s ease;
}

.login-form {
  width: 100%; display: flex; flex-direction: column; gap: 0.5rem;
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height 0.45s cubic-bezier(0.16,1,0.3,1), opacity 0.3s ease;
}
.login-form.open { max-height: 160px; opacity: 1; }

.login-input {
  width: 100%; background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px;
  color: var(--text-primary); font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem; letter-spacing: 0.05em;
  padding: 0.65rem 0.9rem; outline: none;
  transition: border-color 0.2s;
}
.login-input:focus { border-color: var(--border-hover); }
.login-input::placeholder { color: var(--text-dim); }

.login-error {
  font-size: 0.62rem; letter-spacing: 0.08em;
  color: var(--error); text-transform: uppercase;
  text-align: center; min-height: 1em;
}

/* — cta — */
.cta {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.65rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); text-decoration: none; cursor: pointer;
  background: none; border: none; font-family: 'JetBrains Mono', monospace;
  opacity: 0; animation: fadein 1s 1.2s ease forwards;
  transition: opacity 0.2s;
}
.cta:hover { opacity: 0.6; }
.cta svg {
  width: 11px; height: 11px; stroke: var(--accent); fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  transition: transform 0.2s;
}
.cta:hover svg { transform: translateX(3px); }

/* — footer — */
footer {
  position: fixed; bottom: 0; left: 0; right: 0;
  padding: 1.75rem 2.5rem;
  display: flex; justify-content: space-between; align-items: center;
  opacity: 0; animation: fadein 1s 1.3s ease forwards;
}

.status {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.62rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-muted);
}
.dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: #2a5c3a; animation: pulse 2.5s infinite;
}
.version {
  font-size: 0.62rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-dim);
}

/* — animations — */
@keyframes pulse   { 0%,100%{opacity:1} 50%{opacity:0.3} }
@keyframes fadein  { from{opacity:0} to{opacity:1} }
@keyframes slidein { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:translateY(0)} }