:root {
  --bg: #11151a;
  --card: #1a2027;
  --card-line: #2a323c;
  --text: #e8edf2;
  --text-dim: #8c98a6;
  --accent: #1bb76e;
  --accent-strong: #16a362;
  --input-bg: #0e1318;
  --input-line: #2c343f;
  --danger: #ff6b6b;
  --radius: 14px;
  --shadow: 0 24px 60px rgba(0, 0, 0, .45);
}

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

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 24px;
  overflow: hidden;
}

.cover {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 500px at 75% 15%, rgba(27, 183, 110, .14), transparent 60%),
    linear-gradient(160deg, #0d1116 0%, #131922 60%, #0d1116 100%);
}
.cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(closest-side, #000 60%, transparent);
}

.card {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 38px 34px 30px;
  animation: rise .5s cubic-bezier(.2, .7, .2, 1) both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
}
.brand-mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: var(--accent);
  color: #04140c;
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 19px;
}
.brand-name {
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -.01em;
}

.title {
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -.02em;
}
.subtitle {
  color: var(--text-dim);
  font-size: 14px;
  margin-top: 6px;
  margin-bottom: 26px;
}

.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 7px;
}

input[type="text"], input[type="password"] {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-line);
  border-radius: 10px;
  color: var(--text);
  font-size: 15px;
  padding: 12px 14px;
  transition: border-color .15s, box-shadow .15s;
}
input::placeholder { color: #54606d; }
input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(27, 183, 110, .15);
}

.pass-wrap { position: relative; }
.pass-wrap input { padding-right: 64px; }
.toggle {
  position: absolute;
  right: 8px; top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 7px;
}
.toggle:hover { color: var(--accent); }

.message {
  font-size: 13px;
  min-height: 18px;
  margin: 4px 0 12px;
  color: var(--danger);
}
.message.ok { color: var(--accent); }

.submit {
  width: 100%;
  background: var(--accent);
  color: #04140c;
  border: none;
  border-radius: 10px;
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 15px;
  padding: 13px;
  cursor: pointer;
  transition: background .15s, transform .05s;
}
.submit:hover { background: var(--accent-strong); }
.submit:active { transform: scale(.99); }
.submit:disabled { opacity: .6; cursor: progress; }

.row-end {
  text-align: right;
  margin-top: 14px;
}
.link {
  color: var(--text-dim);
  font-size: 13px;
  text-decoration: none;
}
.link:hover { color: var(--accent); }

.foot {
  text-align: center;
  color: var(--text-dim);
  font-size: 12px;
  padding: 18px;
}

@media (max-width: 440px) {
  .card { padding: 30px 22px 24px; }
}