/* Login / auth screen styles */

/* logo de TSAR */

.login-logo-img{
    width:90px;
    margin-bottom:1rem;
}

#loginScreen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  background: var(--bg);
}

.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 3rem;
  width: 100%;
  max-width: 430px;
  position: relative;
}

.login-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.login-header{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  margin-bottom:2.5rem;
}

.login-logo {
  font-family: var(--mono); 
  font-size: 0.7rem; 
  letter-spacing: 0.3em;
  color: var(--accent); 
  text-transform: uppercase; 
  margin-bottom: 0; 
}

.login-title { 
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.7rem;
  text-align:center;
}

.login-sub { 
  text-align:center;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 2rem; 
}

.field { 
  margin-bottom: 1rem; 
}

.field label { 
  display: block;
  font-size: 0.72rem;
  font-family: var(--mono);
  letter-spacing: 0.15em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.field input { 
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.75rem 1rem;
  font-family: var(--mono);
  font-size: 0.9rem;
  outline: none;
  transition:.25s;
}

.field input:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(232,200,74,.08);
}

.btn-login { 
  width: 100%;
  background: var(--accent);
  color: #0d0f12;
  border: none;
  padding: 0.85rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  font-weight: 500;
  margin-top: 0.5rem;
  transition: opacity .2s, transform .15s;
}

.btn-login:hover{
  opacity:.9;
}

.btn-login:active{
  transform:scale(.98);
}

.login-error{
  opacity:0;
  display:none;
  transition:opacity .25s;
}

.login-error.show{
  display:block;
  opacity:1;
}

.btn-login:disabled{
  opacity:.55;
  cursor:not-allowed;
}

.login-footer{
    margin-top:1.8rem;
    text-align:center;
    color:var(--text-dim);
    font-size:.72rem;
    font-family:var(--mono);
    line-height:1.8;
}