:root {
  --accent: #009DFF;
  --bg-dark: #0a0a0a;
  --bg-card: #111;
  --text-white: #fff;
  --text-light: #d0d0d0;
  --text-muted: #aaa;
  --text-subtle: #999;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-input: rgba(255, 255, 255, 0.15);
}
/* MAIN */
a {
    color: var(--accent);
}
main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 1rem 4rem;
  font-size: 16px;
}

/* SIGN IN CARD */
.signin-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  background-image: url('/img/comp/grid-top.png');
  background-position: top;
  background-size: cover;
  border-radius: 8px;
  padding: 3rem;
  width: 100%;
  max-width: 620px;
  position: relative;
}

.signin-card::before {
  content: "";
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(0, 212, 255, 0.06) 0%,
    transparent 70%
  );
  pointer-events: none;
  z-index: -1;
}

.signin-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 0.5rem;
  text-align: center;
}

.signin-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  text-align: center;
}

/* FORM */
.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.form-control {
  background: #333;
  border: 1px solid var(--border-input);
  border-radius: 4px;
  color: var(--text-white);
  padding: 0.875rem 1rem;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  background: transparent;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
  color: var(--text-white);
}

.form-control::placeholder {
  color: #555;
}

.form-select {
  background-color: transparent;
  border: 1px solid var(--border-input);
  border-radius: 4px;
  color: var(--text-white);
  padding: 0.875rem 1rem;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23aaa' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

.form-select:focus {
  background-color: transparent;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
  color: var(--text-white);
}

.form-select option {
  background: var(--bg-card);
  color: var(--text-white);
}

/* CTA BUTTON */
.btn-cta {
  display: block;
  width: 100%;
  font-size: 1.0625rem;
  font-weight: 600;
  padding: 1rem 2rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.2s;
  background: transparent;
  margin-top: 1.5rem;
}

.btn-cta:hover {
  background: var(--accent);
  color: #000;
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}
@media screen and (max-width:575px) {
  .signin-card {
    padding: 2rem;
  }
}