:root{
  --bg:#f6f8fa;
  --card:#ffffff;
  --muted:#6b7280;
  --accent:#0f172a;
  --accent-2:#0ea5a4;
  --danger:#b00020;
  --shadow: 0 6px 18px rgba(16,24,40,0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.container{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
  padding:24px;
}

.card{
  width:100%;
  max-width:420px;
  background:var(--card);
  border-radius:12px;
  box-shadow:var(--shadow);
  padding:28px;
  border:1px solid rgba(15,23,42,0.04);
}

.title{
  margin:0 0 14px 0;
  font-size:20px;
  color:var(--accent);
}

.form{
  display:flex;
  flex-direction:column;
  gap:12px;
}

.formGroup{
  display:flex;
  flex-direction:column;
}

.label{
  font-size:12px;
  color:var(--muted);
  margin-bottom:6px;
}

.input{
  padding:10px 12px;
  border-radius:8px;
  border:1px solid rgba(15,23,42,0.08);
  background: #fff;
  outline: none;
  transition: box-shadow .12s ease, border-color .12s ease;
  font-size:14px;
}

.input:focus{
  box-shadow: 0 0 0 4px rgba(14,165,164,0.08);
  border-color: var(--accent-2);
}

.button{
  margin-top:4px;
  padding:10px 14px;
  border-radius:10px;
  border:none;
  background: linear-gradient(90deg,var(--accent-2), #06b6d4);
  color:white;
  font-weight:600;
  cursor:pointer;
  transition: transform .08s ease, box-shadow .08s ease;
  font-size: 14px;
}

.button:hover{
  box-shadow: 0 2px 8px rgba(14,165,164,0.3);
}

.button:disabled{
  opacity:0.7;
  cursor:default;
  transform:none;
  box-shadow: none;
}

.button:active:not(:disabled){
  transform:translateY(1px);
}

.error{
  color:var(--danger);
  background: rgba(176,0,32,0.06);
  border: 1px solid rgba(176,0,32,0.12);
  padding:8px 10px;
  border-radius:8px;
  font-size:13px;
}

.small{
  margin-top:12px;
  font-size:12px;
  color:var(--muted);
  text-align:center;
}