:root {
  --green-neon: #3dffbb;
  --green-dark: #03241a;
  --black: #010602;
  --text-light: #f6fff9;
  --text-muted: rgba(246, 255, 249, 0.7);
  --border: rgba(61, 255, 187, 0.25);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  background: radial-gradient(circle at top, rgba(61, 255, 187, 0.12), transparent 40%), #020b07;
  color: var(--text-light);
  min-height: 100vh;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  align-items: center;
  padding: 3rem 2rem;
  gap: 2.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

.form-panel,
.info-panel {
  padding: 2.5rem;
  border-radius: 1.5rem;
  background: rgba(2, 6, 3, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(61, 255, 187, 0.25);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5),
              0 0 40px rgba(61, 255, 187, 0.1);
}

.form-panel {
  position: relative;
  overflow: hidden;
}

.form-panel::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(61, 255, 187, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.branding {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.branding img {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(61, 255, 187, 0.3);
}

.branding strong {
  font-size: 1.2rem;
  color: var(--green-neon);
  display: block;
  margin-bottom: 0.2rem;
}

.branding p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

h1 {
  margin: 0 0 0.5rem;
  font-size: 2.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--green-neon), #1abc9c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 1;
}

.form-subtitle {
  margin: 0 0 2rem;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.5;
  position: relative;
  z-index: 1;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  position: relative;
  z-index: 1;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

label span {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

input {
  width: 100%;
  padding: 1rem 1.2rem;
  border-radius: 1rem;
  border: 1px solid rgba(61, 255, 187, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-light);
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.3s ease;
}

input::placeholder {
  color: rgba(246, 255, 249, 0.4);
}

input:focus {
  outline: none;
  border-color: var(--green-neon);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 20px rgba(61, 255, 187, 0.2),
              inset 0 1px 3px rgba(61, 255, 187, 0.1);
}

button {
  border: none;
  border-radius: 999px;
  padding: 1.1rem 2rem;
  font-weight: 700;
  font-size: 1rem;
  font-family: inherit;
  background: linear-gradient(135deg, var(--green-neon), #1abc9c);
  color: var(--black);
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(61, 255, 187, 0.4);
  margin-top: 0.5rem;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(61, 255, 187, 0.5);
}

button:active {
  transform: translateY(0);
}

.form-feedback {
  min-height: 1.5rem;
  color: #ffd93d;
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.help-line {
  margin-top: 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.help-line a {
  color: var(--green-neon);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.help-line a:hover {
  color: #1abc9c;
  text-decoration: underline;
}

.info-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-panel h2 {
  margin: 0;
  font-size: 1.8rem;
  color: var(--green-neon);
  font-weight: 700;
}

.info-panel p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.info-panel ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.info-panel li {
  background: linear-gradient(135deg, rgba(61, 255, 187, 0.08), rgba(61, 255, 187, 0.04));
  padding: 1rem 1.2rem;
  border-radius: 1rem;
  border-left: 3px solid var(--green-neon);
  transition: all 0.3s ease;
  color: var(--text-light);
  font-size: 0.95rem;
}

.info-panel li:hover {
  background: linear-gradient(135deg, rgba(61, 255, 187, 0.15), rgba(61, 255, 187, 0.08));
  transform: translateX(4px);
}

.info-panel li strong {
  color: var(--green-neon);
}

.highlight-box {
  background: linear-gradient(135deg, rgba(61, 255, 187, 0.15), rgba(3, 36, 26, 0.5));
  border: 2px solid var(--green-neon);
  border-radius: 1.2rem;
  padding: 1.5rem;
  margin: 1rem 0;
  box-shadow: 0 10px 30px rgba(61, 255, 187, 0.2);
}

.highlight-title {
  margin: 0 0 0.5rem;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--green-neon);
}

.highlight-text {
  margin: 0;
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.5;
}

.button.ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  border: 2px solid var(--green-neon);
  background: transparent;
  color: var(--green-neon);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  margin-top: auto;
}

.button.ghost:hover {
  background: var(--green-neon);
  color: var(--black);
  box-shadow: 0 10px 30px rgba(61, 255, 187, 0.4);
  transform: translateY(-2px);
}

@media (max-width: 900px) {
  .login-shell {
    grid-template-columns: 1fr;
    padding: 2rem 1.5rem;
    gap: 2rem;
  }

  .form-panel,
  .info-panel {
    padding: 2rem;
  }

  h1 {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {
  .login-shell {
    padding: 1.5rem 1rem;
  }

  .form-panel,
  .info-panel {
    padding: 1.5rem;
  }

  h1 {
    font-size: 1.6rem;
  }

  .branding img {
    width: 44px;
    height: 44px;
  }
}