:root {
  --bg: #0D1321;
  --bg-alt: #131A30;
  --fg: #F1EEE6;
  --fg-dim: #8E96AC;
  --accent: #C4D94A;
  --accent-dim: #566B23;
  --line: rgba(241, 238, 230, 0.08);
  --danger: #E8635B;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Space Grotesk', sans-serif;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

.grid-bg {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, var(--line) 1px, transparent 1px);
  background-size: 42px 42px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 40%, transparent 90%);
}

header {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 40px;
}

.nav-mark {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.14em;
  color: var(--fg-dim);
  text-transform: uppercase;
  text-decoration: none;
}

.nav-mark span { color: var(--accent); }

.login-btn, .btn-ghost {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 18px;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.login-btn:hover, .btn-ghost:hover {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
}

main {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
  gap: 28px;
}

footer {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 40px 32px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--fg-dim);
  flex-wrap: wrap;
  gap: 12px;
}

footer a {
  color: var(--fg-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

footer a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* Auth forms */
.auth-card {
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.auth-title {
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 8px;
  line-height: 1.2;
}

.auth-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin: 0;
}

form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: left;
}

form > div {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

input {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--fg);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.2s ease;
}

input:focus {
  border-color: var(--accent);
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 15px;
  padding: 13px 16px;
  cursor: pointer;
  margin-top: 6px;
  transition: opacity 0.2s ease;
}

.btn-primary:hover { opacity: 0.85; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.switch-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--fg-dim);
}

.switch-link a {
  color: var(--accent);
  text-decoration: none;
}

.switch-link a:hover { text-decoration: underline; }

.msg {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  padding: 10px 12px;
  border-radius: 6px;
  display: none;
}

.msg.error {
  display: block;
  color: var(--danger);
  background: rgba(232, 99, 91, 0.1);
  border: 1px solid rgba(232, 99, 91, 0.3);
}

.msg.success {
  display: block;
  color: var(--accent);
  background: rgba(196, 217, 74, 0.1);
  border: 1px solid rgba(196, 217, 74, 0.3);
}

.welcome-title {
  font-size: clamp(40px, 8vw, 64px);
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.02em;
}

.welcome-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  text-transform: uppercase;
}