body {
  font-family: Arial, sans-serif;
  background: #fafafa;
  margin: 0;
  padding: 0;
}

.header {
  width: 100%;
  height: 56px;
  display: flex;
  align-items: center;
  padding-left: 24px;
  box-sizing: border-box;
  border-bottom: 1px solid #f0f0f0;
}
.logo {
  font-size: 1.6rem;
  font-weight: bold;
  letter-spacing: 1px;
  color: #111;
}

.login-main {
  min-height: calc(100vh - 56px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.login-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  padding: 40px 32px 32px 32px;
  min-width: 380px;
  max-width: 90vw;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.login-title {
  font-size: 2.2rem;
  font-weight: 600;
  margin-bottom: 32px;
  margin-top: 0;
}

.login-input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #e0e0e0;
  border-radius: 999px;
  font-size: 1rem;
  margin-bottom: 18px;
  outline: none;
  background: #fafafa;
  transition: border 0.2s;
}
.login-input:focus {
  border: 1.5px solid #4285f4;
}

.login-continue {
  width: 100%;
  padding: 14px 0;
  border: none;
  border-radius: 999px;
  background: #111;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 18px;
  cursor: pointer;
  transition: background 0.2s;
}
.login-continue:hover {
  background: #333;
}

.login-register {
  font-size: 1rem;
  color: #222;
  margin-bottom: 18px;
}
.login-register a {
  color: #4285f4;
  text-decoration: none;
  font-weight: 500;
}
.login-register a:hover {
  text-decoration: underline;
}

.login-divider {
  width: 100%;
  text-align: center;
  border-bottom: 1px solid #e0e0e0;
  line-height: 0.1em;
  margin: 18px 0 18px 0;
}
.login-divider span {
  background: #fff;
  padding: 0 16px;
  color: #888;
  font-size: 1rem;
}

.login-providers {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.provider-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border: 1px solid #e0e0e0;
  border-radius: 999px;
  background: #fff;
  font-size: 1.05rem;
  color: #222;
  cursor: pointer;
  transition: border 0.2s, box-shadow 0.2s;
  font-weight: 500;
}
.provider-btn img {
  width: 22px;
  height: 22px;
}
.provider-btn:hover {
  border: 1.5px solid #4285f4;
  box-shadow: 0 2px 8px rgba(66,133,244,0.08);
}

.login-footer {
  margin-top: 32px;
  text-align: center;
  color: #888;
  font-size: 0.98rem;
}
.login-footer a {
  color: #888;
  text-decoration: none;
  margin: 0 6px;
}
.login-footer a:hover {
  text-decoration: underline;
}