:root {
  --primary: #7AB2B2;
  --primary-dark: #548f8f;
  --background: #EAEFEF;
  --neutral: #BFC6C4;
  --text: #334746;
  --muted: #7b8b89;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, sans-serif;
  background: linear-gradient(
    135deg,
    #EAEFEF 0%,
    #f8fbfb 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
}

.login-card {
  width: min(410px, calc(100% - 32px));
  background: rgba(255,255,255,0.88);
  border: 1px solid rgba(191,198,196,0.65);
  border-radius: 18px;
  padding: 36px;
  box-shadow: 0 15px 50px rgba(0,0,0,0.045);
}

.brand-mark {
  width: 45px;
  height: 45px;
  background: var(--primary);
  color: white;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 15px;
}

.brand-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 1px;
}

.brand-subtitle {
  font-size: 12px;
  color: var(--muted);
  margin-top: 5px;
}

h1 {
  margin: 35px 0 8px;
  font-size: 22px;
  font-weight: 600;
}

.description {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 28px;
}

label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 8px;
}

input {
  width: 100%;
  border: 1px solid #d5dddd;
  border-radius: 9px;
  background: #fff;
  padding: 12px;
  font-size: 14px;
  outline: none;
  margin-bottom: 20px;
}

input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(122,178,178,0.13);
}

button {
  width: 100%;
  min-height: 43px;
  background: var(--primary);
  color: #fff;
  border: 0;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  background: var(--primary-dark);
}

button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.error {
  color: #b54d4d;
  font-size: 12px;
  min-height: 15px;
  margin: 0 0 14px;
}

.footer {
  text-align: center;
  margin-top: 35px;
  color: var(--muted);
  font-size: 11px;
}