/* ============ MEM AUTH (Bootstrap 3 safe) ============ */
:root{
  --mem-bg: #f6f7fb;
  --mem-card: rgba(255,255,255,.92);
  --mem-border: rgba(15,23,42,.10);
  --mem-text: rgba(15,23,42,.92);
  --mem-muted: rgba(15,23,42,.62);
  --mem-shadow: 0 18px 40px rgba(15,23,42,.10);
  --mem-radius: 18px;

  /* accent (change if you want) */
  --mem-accent: #16a34a;
  --mem-accent-soft: rgba(22,163,74,.12);
}

html, body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont,
               'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.mem-auth{
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px 14px;
  background:
    radial-gradient(900px 420px at 20% 0%, var(--mem-accent-soft), transparent 60%),
    radial-gradient(900px 420px at 100% 20%, rgba(59,130,246,.10), transparent 55%),
    linear-gradient(135deg, #eef2f7, #f8fafc);
}

.mem-auth-card{
  width: 100%;
  max-width: 420px;
  background: var(--mem-card);
  border: 1px solid var(--mem-border);
  border-radius: var(--mem-radius);
  box-shadow: var(--mem-shadow);
  overflow: hidden;
}

.mem-auth-brand{
  padding: 18px 18px 0;
}
.mem-auth-logo{
  display: inline-block;
  max-width: 220px;
  margin: 0 auto;
}

.mem-auth-head{
  padding: 14px 18px 10px;
}
.mem-auth-title{
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--mem-text);
}
.mem-auth-subtitle{
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--mem-muted);
}

.mem-auth-body{
  padding: 14px 18px 18px;
}

.mem-auth-alert{
  border-radius: 14px;
  border-color: rgba(245,158,11,.35);
  background: linear-gradient(180deg, rgba(245,158,11,.12), rgba(255,255,255,.96));
  color: rgba(120, 66, 18, .95);
}
.mem-auth-alert i{ margin-right: 8px; }

.mem-auth-field{ margin-bottom: 12px; }
.mem-auth-label{
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--mem-muted);
  margin-bottom: 6px;
}

/* input with icon */
.mem-auth-input{
  position: relative;
}
.mem-auth-input > i{
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(15,23,42,.45);
  pointer-events: none;
}
.mem-auth-input .form-control{
  height: 44px;
  padding-left: 38px;
  border-radius: 14px;
  border-color: rgba(15,23,42,.12);
  box-shadow: none;
  background: rgba(255,255,255,.85);
}
.mem-auth-input .form-control:focus{
  border-color: rgba(22,163,74,.55);
  box-shadow: 0 0 0 3px rgba(22,163,74,.14);
}

.mem-auth-actions{
  margin-top: 6px;
  padding-top: 10px;
  border-top: 1px solid rgba(15,23,42,.08);
}

.mem-auth-link{
  display: inline-block;
  padding: 10px 0;
  font-weight: 600;
  color: rgba(15,23,42,.70);
  text-decoration: none;
}
.mem-auth-link:hover{
  color: rgba(15,23,42,.92);
  text-decoration: underline;
}

.mem-auth-btn{
  border-radius: 14px;
  padding: 10px 14px;
  font-weight: 700;
  box-shadow: 0 12px 22px rgba(22,163,74,.18);
}

.mem-auth-foot{
  padding: 12px 18px 14px;
  border-top: 1px solid rgba(15,23,42,.08);
  background: rgba(255,255,255,.70);
}

/* small screens */
@media (max-width: 480px){
  .mem-auth-card{ border-radius: 16px; }
  .mem-auth-body, .mem-auth-head, .mem-auth-brand, .mem-auth-foot{ padding-left: 14px; padding-right: 14px; }
  .mem-auth-logo{ max-width: 200px; }
}