:root {
  --ink: #e4ece7;
  --ink-soft: #94a89d;
  --paper: #0d1210;
  --accent: #1f9d63;
  --accent-deep: #17804f;
  --accent-glow: rgba(31, 157, 99, 0.32);
  --danger: #f87171;
  --panel-border: rgba(255, 255, 255, 0.08);
  --font: "Outfit", system-ui, sans-serif;
  --display: "Sora", "Outfit", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
}

body {
  position: relative;
  overflow-x: hidden;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 55% at 10% -10%, #163626 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 0%, #1c2a17 0%, transparent 50%),
    linear-gradient(165deg, #101713 0%, #0d1210 45%, #0a0e0c 100%);
  animation: drift 18s ease-in-out infinite alternate;
}

.atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cpath fill='%23ffffff' fill-opacity='0.025' d='M0 80h160M80 0v160'/%3E%3C/svg%3E");
}

@keyframes drift {
  from { transform: scale(1) translate(0, 0); }
  to { transform: scale(1.04) translate(-1%, 1%); }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.gate-inner {
  max-width: 34rem;
  width: 100%;
  animation: rise 0.7s ease both;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
}

.brand {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.8rem, 8vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--ink);
}

.lede {
  margin: 1.1rem 0 2rem;
  font-size: 1.15rem;
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 28rem;
}

.login-form {
  display: grid;
  gap: 0.55rem;
  max-width: 22rem;
}

.login-form label {
  font-size: 0.9rem;
  font-weight: 600;
}

input {
  width: 100%;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  font: inherit;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

button {
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  border: none;
  border-radius: 10px;
  padding: 0.85rem 1.15rem;
  background: var(--accent);
  color: #fff;
  transition: background 0.15s, transform 0.15s;
  margin-top: 0.35rem;
}

button:hover {
  background: var(--accent-deep);
}

button:active {
  transform: translateY(1px);
}

.form-error {
  margin: 0;
  color: var(--danger);
  font-size: 0.9rem;
}

.form-error[hidden] {
  display: none !important;
}