:root {
  --ink: #0B1118;
  --ink-2: #121A24;
  --ink-3: #1A2430;
  --slate: #8A97A8;
  --mist: #C8D0DB;
  --paper: #E8EEF5;
  --teal: #2EE6A6;
  --teal-dim: rgba(46, 230, 166, 0.16);
  --coral: #FF6B6B;
  --line: rgba(232, 238, 245, 0.08);
  --font-display: "Syne", sans-serif;
  --font-body: "DM Sans", sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.ambient__mesh {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(ellipse 50% 40% at 20% 10%, rgba(46, 230, 166, 0.12), transparent 55%),
    radial-gradient(ellipse 45% 35% at 85% 75%, rgba(40, 120, 160, 0.14), transparent 50%),
    radial-gradient(ellipse 60% 50% at 50% 100%, rgba(20, 40, 60, 0.5), transparent 60%);
}

.ambient__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
}

.ambient__orb--a {
  width: 280px;
  height: 280px;
  top: 12%;
  left: 18%;
  background: rgba(46, 230, 166, 0.18);
  animation: drift 14s ease-in-out infinite alternate;
}

.ambient__orb--b {
  width: 320px;
  height: 320px;
  bottom: 8%;
  right: 12%;
  background: rgba(50, 110, 150, 0.22);
  animation: drift 18s ease-in-out infinite alternate-reverse;
}

.ambient__noise {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

@keyframes drift {
  from { transform: translate(0, 0); }
  to { transform: translate(24px, -18px); }
}

.login {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 20px;
}

.login__card {
  width: min(400px, 100%);
  padding: 36px 32px 32px;
  background: linear-gradient(165deg, rgba(26, 36, 48, 0.92), rgba(11, 17, 24, 0.95));
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
  animation: rise 0.55s var(--ease-out) both;
}

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

.login__eyebrow {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}

.login__brand {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.1rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.login__sub {
  margin: 0 0 28px;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.45;
}

.login__form {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 6px;
}

.field__label {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
}

.field__input {
  width: 100%;
  padding: 12px 14px;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--paper);
  font: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field__input:focus {
  border-color: rgba(46, 230, 166, 0.45);
  box-shadow: 0 0 0 3px var(--teal-dim);
}

.btn {
  position: relative;
  overflow: hidden;
  margin-top: 4px;
  padding: 12px 18px;
  border: none;
  border-radius: 2px;
  font: inherit;
  cursor: pointer;
}

.btn--primary {
  background: linear-gradient(135deg, #2EE6A6, #1BB87F);
  color: #06120e;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 13px;
  transition: transform 0.15s, filter 0.2s;
}

.btn--primary:hover {
  filter: brightness(1.05);
}

.btn--primary:active {
  transform: scale(0.98);
}

.btn--primary:disabled {
  opacity: 0.65;
  cursor: wait;
}

.btn__shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.28) 50%, transparent 60%);
  transform: translateX(-120%);
  pointer-events: none;
}

.btn--primary:hover .btn__shine {
  animation: shine 0.7s var(--ease-out);
}

@keyframes shine {
  to { transform: translateX(120%); }
}

.form__error {
  margin: 16px 0 0;
  padding: 10px 12px;
  border: 1px solid rgba(255, 107, 107, 0.35);
  background: rgba(255, 107, 107, 0.1);
  color: #ffb4b4;
  font-size: 13px;
  border-radius: 2px;
}