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

body {
  min-height: 100vh;
  background: #f0f2f5;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  padding: 16px;
}

.login-wrap {
  width: 100%;
  max-width: 380px;
}

.login-box {
  background: #ffffff;
  border: 1px solid #e0e0e8;
  border-radius: 20px;
  padding: 44px 40px 40px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}

.login-logo {
  font-size: 48px;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 16px rgba(245,166,35,0.4));
}

.login-title {
  font-size: 26px;
  font-weight: 700;
  color: #1a1a2e;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.login-sub {
  font-size: 13px;
  color: #999;
  margin-bottom: 36px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

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

.input-wrap {
  position: relative;
}

.login-input {
  width: 100%;
  padding: 14px 18px;
  background: #f7f8fa;
  border: 1px solid #dde1e8;
  border-radius: 10px;
  color: #1a1a2e;
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  text-align: center;
  letter-spacing: 2px;
}

.login-input::placeholder {
  letter-spacing: 0;
  color: #aaa;
}

.login-input:focus {
  border-color: #f5a623;
  box-shadow: 0 0 0 3px rgba(245,166,35,0.12);
}

.login-error {
  font-size: 13px;
  color: #e53935;
  min-height: 18px;
}

.login-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #f5a623, #e8920a);
  border: none;
  border-radius: 10px;
  color: #000;
  font-size: 15px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  margin-top: 4px;
  letter-spacing: 0.5px;
}

.login-btn:hover { opacity: 0.9; }
.login-btn:active { transform: scale(0.98); }
.login-btn:disabled { opacity: 0.6; cursor: default; }

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

@keyframes spin { to { transform: rotate(360deg); } }