/* =====================================================================
   NITS Tech Business Administration — Auth pages
   Sign in + Register. Centred card. Materialize overrides only.
   SweetAlert2 uses its default theme.
   ===================================================================== */

:root{
  --nits-blue:#1e88e5;
  --nits-blue-dark:#1565c0;
  --nits-navy:#0d2b4e;
  --nits-line:#e0e0e0;
  --nits-ink:#212121;
  --nits-muted:#777777;
}

html, body{
  height:100%;
}

body{
  margin:0;
  background:#f5f7fb;
  font-family:Roboto, system-ui, -apple-system, "Segoe UI", sans-serif;
  color:var(--nits-ink);
}

/* ---------------- Page ---------------- */
.login-page{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:40px 24px;
}

/* ---------------- Card ---------------- */
.login-card{
  width:100%;
  max-width:640px;
  padding:48px 56px 44px;
  border-radius:12px;
  background:#ffffff;
  margin:0;
}

/* Wider variant — used by the register page */
.login-card--wide{
  max-width:900px;
}

/* Brand block at top of the card */
.login-brand{
  text-align:center;
  margin-bottom:28px;
}
.login-brand img{
  display:inline-block;
  max-width:180px;
  height:auto;
}

.login-title{
  text-align:center;
  font-weight:600;
  font-size:26px;
  margin:0 0 6px;
  color:var(--nits-navy);
}
.subtitle{
  text-align:center;
  font-size:14px;
  color:var(--nits-muted);
  margin:0 0 32px;
}

/* Materialize input tweaks */
.input-field{
  margin:0 0 26px;
}
.input-field input,
.input-field select{
  font-size:15px;
}
.input-field input:focus + label,
.input-field select:focus + label{
  color:var(--nits-blue-dark) !important;
}
.input-field input:focus,
.input-field select:focus{
  border-bottom:1px solid var(--nits-blue-dark) !important;
  box-shadow:0 1px 0 0 var(--nits-blue-dark) !important;
}
.input-field label{
  left:0;
}

/* Select dropdown */
.select-wrapper input.select-dropdown:focus{
  border-bottom:1px solid var(--nits-blue-dark) !important;
  box-shadow:0 1px 0 0 var(--nits-blue-dark) !important;
}
.select-wrapper .caret{
  color:var(--nits-muted);
  fill:var(--nits-muted);
}

/* Helper row (forgot password) */
.helper-links{
  display:flex;
  justify-content:flex-end;
  align-items:center;
  font-size:13px;
  margin:0 0 24px;
}
.helper-links a{
  color:var(--nits-blue-dark);
  text-decoration:none;
}
.helper-links a:hover{
  text-decoration:underline;
}

/* Secondary helper row */
.helper-links.secondary{
  justify-content:space-between;
  margin-top:24px;
  padding-top:20px;
  border-top:1px solid var(--nits-line);
}
.helper-links.secondary.centered{
  justify-content:center;
}

/* Optional hint inside a label */
.optional{
  color:var(--nits-muted);
  font-size:12px;
  font-weight:400;
}

/* Field helper text below an input */
.helper-text{
  font-size:12px;
  color:var(--nits-muted);
  margin-top:2px;
  display:block;
}

/* Terms checkbox block */
.terms-label{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  color:var(--nits-muted);
  line-height:1.5;
  margin:4px 0 22px;
  cursor:pointer;
}
.terms-label input[type="checkbox"]{
  margin-top:2px;
  flex-shrink:0;
}
.terms-label a{
  color:var(--nits-blue-dark);
  text-decoration:none;
}
.terms-label a:hover{
  text-decoration:underline;
}

/* ---------------- Button ---------------- */
.btn-login{
  width:100%;
  border-radius:6px;
  height:48px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:500;
  font-size:14px;
  letter-spacing:.3px;
  text-transform:uppercase;
  background:var(--nits-blue-dark) !important;
  box-shadow:none;
  position:relative;
  padding:0 16px;
}
.btn-login:hover{
  background:#0d47a1 !important;
}
.btn-login:disabled{
  opacity:.7;
  cursor:not-allowed;
}
.btn-login .spinner{
  width:16px;
  height:16px;
  border:2px solid rgba(255,255,255,.4);
  border-top-color:#fff;
  border-radius:50%;
  animation:spin .7s linear infinite;
  display:none;
}
.btn-login.loading .spinner{display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------------- Footer ---------------- */
.login-foot{
  margin-top:20px;
  font-size:12px;
  color:var(--nits-muted);
  text-align:center;
}
.login-foot a{color:var(--nits-muted);text-decoration:none}
.login-foot a:hover{color:var(--nits-blue-dark)}

/* ---------------- Mobile ---------------- */
@media screen and (max-width:640px){
  .login-page{padding:24px 16px}
  .login-card{padding:32px 24px 28px;border-radius:10px}
  .login-card--wide{padding:32px 24px 28px}
  .login-title{font-size:22px}
  .helper-links{font-size:12px}
}